فهرست مطالب قدرت الله حیدری

According to the studies, environmental factors can affect the secondary metabolites in plants, including the essential oil and its chemical composition. therefore, it is essential to understand the effect of these factors and which of the environmental factors have a more effective role on the quantity and quality of secondary compounds extracted from plants. the purpose of this study is to investigate and compare the effect of physical and chemical properties of soil and climate factors including temperature and rainfall on the chemical composition of the essential oil of the medicinal species of Stachys lavandulifolia in the northern and southern aspects of Bagh tilak rangeland of Sari.

The present research was conducted in Baghtilak rangeland, which is one of the summer pastures of Mazandaran province. in order to take samples, plant samples were taken according to the patchy distribution of the plant in the region, the aerial branches of the plant were randomly collected in three selected spots with three repetitions from the northern and southern aspects in late June.then the soil samples were also collected at the base of the plant from a depth of 0-30 cm. after the samples were transferred to the laboratory, the essential oils of the plants were extracted by clevenger and their composition was determined by GC and GC/MS.  Soil samples were also measured and evaluated based on existing guidelines. also, the required meteorological information was obtained from the Kiyasar meteorological station. in order to analyze the quantitative and qualitative data of soil and essential oil, the normality of the data was first checked using the Kolmograph-Smirnov test. after confirming the normality of the data, using the independent T-student test, the comparison of plant chemical compositions and soil quality indicators in the two northern and southern spects was performed by SPSS version 22 software, and the relationship between the plant chemical composition data was analyzed. It was done with soil quality indicators and climatic data by PCA principal component analysis method in PC ord5 space.

The results showed that the yield of essential oil in the southern aspect is significantly higher (P≤0.05) than the northern aspect. Also, among the compounds obtained from the essential oil, the compounds α-Pinene, α-Fenchene, p-cymene, Sabinene, Thymol, α-Thujene, Limonene, GermacreneD, bicyclogermacrene, cis-sabinene hydrate with the highest amount have a significant difference from they showed themselves in two aspects. the data obtained from principal component analysis into main components in relation to soil and climatic factors with essential oil compounds indicate that soil chemical factors including EC, OM, Mg, MWD, bulk density, sand and silt have a stronger relationship compared to other factors. also, in this analysis, soil factors such as apparent specific gravity, pH, Ca, sand, and the climatic factor of temperature have a positive and direct relationship with Sabinene, β-Pinene, Myrcene, α-phellandrene, p-cymene, Limonene, cis-sabinene hydrate compounds, thymol, Germacrene D, bicyclogermacrene and Phytol. also, soil factors such as EC, OM, bulk density, silt, Cao, P, Na, SAR and precipitation climatic factor have a negative and inverse relationship with Cyclofenchene, 1-8-Cineole, cis-ocimene, α- Terpineol, Terpinene-4-acetate, Bicyclo, Caryophyllene and Hexadecanoic acid were established.

Conclusion :

The result of this research shows that the quantitative and qualitative performance of medicinal plants is affected by factors such as the type of species, climatic characteristics, soil characteristics and topographical conditions, and the effect of environmental factors on the components of secondary metabolites can be due to the different effects of these factors on The biosynthetic pathways of these compounds in the plant. also, the present study showed that the yield of essential oil obtained from the Stachys lavandulifolia plant in the southern aspect of Baghtilak rangeland is significantly higher than the northern aspect, so it is recommended to consider more for the exploitation of this aspect.

This study explores the components of good governance in the management of rangelands in Iran, as perceived by natural resources experts. The quality of governance significantly influences the success of executive programs related to the protection and management of natural resources, especially rangelands. Assessing the indicators of good governance in rangeland management is crucial for achieving goals such as increased livestock production and enhancing economic efficiency. The study aims to identify the main components of good governance and assess their impact on rangeland management projects.

Utilizing a descriptive (non-experimental) and correlational approach, this research employed structural equation modeling to analyze the relationships between variables. A questionnaire, validated through expert opinion, assessed the perspectives of 70 experts across 19 provinces in Iran. Six independent variables (participation, accountability, responsibility, law-oriented and justice, transparency, efficiency and effectiveness) were investigated concerning their impact on rangeland restoration and management projects.

The findings reveal that respondents considered responsibility, participation, law-oriented and justice, transparency, and efficiency and effectiveness as significant factors affecting the success of rangeland restoration and management projects. The results indicate that the responsiveness factor was perceived as the most crucial, followed by participation, responsibility, law-oriented and justice, transparency, and efficiency and effectiveness. The coefficient of explanation (R2) demonstrated that these components collectively explained a substantial percentage of the variance in rangeland restoration and management projects.

The study concludes that transparency, responsibility, efficiency, and effectiveness play pivotal roles in the success of rangeland restoration and management projects. A commitment to transparency in implementation, efficiency in performance, accountability for actions, and user participation in decision-making processes are essential for effective governance. The results provide valuable insights for policymakers and practitioners involved in rangeland management in Iran.

Rangelands and forest lands are crucial components of natural resources, and their preservation is essential for the survival of human societies. The improper use of land can lead to the devaluation and destruction of these resources, resulting in a decrease in the income of users. Hence, sustainable development and optimal use of natural resources are necessary for future generations. This study aims to develop an optimal utilization model that considers income maximization in rangelands in North Khorasan province.

The study was conducted in Dasht rangelands of Garmeh city in North Khorasan province. The required information was collected through face-to-face interviews with beneficiaries, and several representative beneficiaries were selected based on their available capital. The optimal combination of income sources for each representative was determined using a linear programming model. The planning model used in this study was a linear programming model that considered three decision variables related to the share allocated to each utilization (livestock grazing, apiculture, and medicinal plant breeding). The restrictions included capital, labor, and water. The goal was to maximize the household's net income. The model was solved using LINDO software, and linear programming patterns were implemented for all representative beneficiaries of Dasht rangelands.

The optimal patterns of utilization showed an increase in apiculture activity and a decrease in livestock grazing compared to the current patterns used by the representative beneficiaries. The efficiency of the optimal model increased by a significant percentage compared to the current model for all representative beneficiaries. The results indicated that apiculture activity provided the highest profit for all representative beneficiaries.

The study concluded that optimal utilization of rangelands and its optimization are crucial for income maximization. The results showed that apiculture activity should be considered as a significant income source. The study highlights the importance of sustainable development and optimal use of natural resources without damaging them for future generations.

Ecotourism in addition to creating employment and increasing income prevents the outflow of human and material capital from rural areas; which, of course, has positive and negative effects. Then, according many limitations and problems in the study area, including the lack of effective employment opportunities, high unemployment and low incomes, the study of socio-economic effects of ecotourism as the most important dimension of the effects of ecotourism can take an effective step in solving these problems. So, the purpose of this study is to investigate the direct and indirect positive or negative socio-economic and environmental effects of ecotourism on local communities.

The study area is a mountainous watershed, called Balade-Nour, located in the Mazandaran Province, Nour city and in 55 kilometers from the main road of Haraz (Amol-Tehran). The summer grazing lands rangelands of this area are based on communally-council ownership. The research method is based on descriptive-analytical method. Survey data is collected from the sample heads of households and the Islamic Council of the villages. The pre-test questionnaire was used and the reliability coefficient (Cronbach's alpha) was calculated. The content validity of the questionnaire was confirmed by consulting professors and experts. The main variables were determined and the final questionnaires were completed by 214 people of local communities and 9 villages by random sampling method. In these questionnaires, various variables were examined, including socio-economic characteristics of the pastoralists, technical characteristics of the rangelands and other related questions affecting the empowerment of local communities using path way analysis method. Path analysis method is commonly used in investigating the direct and indirect effects of independent variables on the dependent variable. In order to investigate the relationships between the latent variables of the research on each other, the structural equation modeling method has been used.

The results showed that the highest frequency (49.2%) of stakeholders had 50-75 years old. Most respondents (81.8%) had undergraduate degree (ill educated and illetrate). The lowest frequency (0.5%) belonged to people with master's degree or higher. Independent variables explained about 69% of the total variance of ecotourism effects. The sum of direct and indirect effects of social (0.43) and economic (0.37) indicators were the most influential positive factors on the evaluation of ecotourism effects, respectively. Then, work experience, income, and environmental factors had a negative impact on local communities, respectively. Therefore, the social factor as the most important and influential variable of the structural model of analysis both in terms of quantity and in terms of paths of influence reflects the good feeling of the local community about the arrival of tourists and the formation of social connections between people. In addition, have a good effect on the economic situation of the region, especially solving the problem of seasonal unemployment. Hence the social effects and consequently the positive effects that ecotourism has on the livelihood diversity of local communities is so effective that it increases the participation and social cohesion of individuals to work together for the benefit of ecotourism.

According to the results, social index are the main necessary factor causes empowerment the local communities of the studied region. Improving the quality of life, increasing public awareness of the value of rangelands, increasing familiarity with social rights and interest in ancient cultures and traditions, more village fame, encourage and develop people's cultural and social participation, disseminate and strengthen indigenous and local culture, reduce migration, creating opportunities for rural women to work in side jobs, familiarity of tourists and local people with different types of cultural tourism are operational and scientific solutions to encourage ranchers to provide more participation.

In the rural society, various factors play a role in the participation of local communities in the conservation of natural resources. Among them stakeholders have the central role as participation plays an important role. Natural resources are considered as one of the main economical sources and their restoration and conservation are considered as the base for human activities for the current and future generations. These factors include social factors, economical factors and cultural factors, which are known as norms. Most experts believe that participation is the main and determining factor in the process of growth and development in developed and developing societies. Therefore, in order to prevent the degradation of rangelands, a comprehensive plan must be designed by various organizations and departments to monitor the exploitation and utilization of rangelands and this depends on the participation of the stakeholders. In order to protect and restore rangelands, organizations must be aware of the norms that affect local collaborative behaviors. The aim of this study is to identify the norms that influence the pastoralists participation and to determine the contribution of each of their components in the conservation of Nodushan rangelands, Yazd province. In this study we assessed the impact of norms including social, economical and cultural factors as independent variables on the amount of pastoralists participation as a dependent variable. The method was descriptive-analytical in the form of a questionnaire based on a five-option Likert scale. The sample size included 104 pastoralists and random sampling. After checking the reliability and validity of the questionnaire, the path analysis method was used to rank the independent variables. The results showed that the social factor with 0.857, the economic factor with 0.633 and the cultural factor with 0.144 had the greatest total impact and also the direct and indirect impact on the pastoralists' participation. The method of exploitation in rangelands, the amount of income of pastoralists, and the awareness and experience of pastoralists had the first priority. Spearman's correlation coefficient between independent variables and pastoralists' participation showed that the social factor and the economical factor have a positive and significant correlation coefficient with the dependent variable of pastoralists' participation. Therefore, it was suggested that the social and economical factors should be considered as the most important indicators of attracting pastoralists participation in planning for restoration of rangelands.

The society of Muslim Brothers is a transnational movement of Sunni Islamist and one of the biggest effective political currents in the recent decade in the world of Islam that women's effective role in political and social events of this current is not undeniable. This descriptive-documentary study was conducted with the aim of investigating the evolution of women's political and social participation from the view of the Muslim Brothers' scholars. After reviewing the related sources, a research that independently focuses on this issue was not found. According to the results, the dependent variable, women's political and social participation, depends on the governance view of the Muslim Brothers' scholars in the form of three governance models. In the model of "Islamic governance", regarding the time and the view of the Muslim Brothers' scholars on the verses and narratives, women's participation is limited to political and social affairs. In the governance model of "Islamic socialism", equity is more visible. In the model of "civil governance", due to the increase of literacy rate and women's demands, and some scholars' new approach to religious teachings, there is a considerable evolution, so that women's participation in all political and social fields, except leadership and governing, is acceptable; although, one scholar believing in this model, says that women can even be a governor.

This study investigates the effective factors in land-holders use of 4 tree species including: Acer velutinum, Quercus castaneifolia, Carpinus betulus, Diospyrus lotus and 4 species of shrubs including Mespilus germanica, Prunus cerasifera , Celtis australis and ALbizia julibrissin to feed livestock and determine their nutritional value in livestock places of forest regions around Javaherdeh village in Ramsar city of Mazandaran province at the end of leaf growth stage. In order to perform sampling in a stage vegetative growth was done randomly. Then the green leaves which were dried in the open air and sized were transferred to the laboratory. The aim was to determine forage quality including: parameters of crude protein (CP), phosphorus (P), nitrogen (N), potassium (K), insoluble fibers in acidic detergent (ADF), insoluble fibers in neutral detergent (NDF), Dry matter content (DMD), metabolic energy (ME). This research was conducted in a completely randomized design and the analysis of laboratory data in SPSS software and the analysis of information obtained from the questionnaire using Friedman test was used to perform statistical analysis of collected data. The results showed that the Albizia julibrissin species due to the amount of metabolic energy (11.25), dry matter digestibility (77.97), crude protein (22.77), crude fat (5.26), insoluble fibers in neutral detergent (52.44), have a higher forage quality than the other seven species. The findings indicate that the nutritional value of Albizia julibissin has been associated with its greater utilization by ranchers, it shows the importance of local knowledge in this field.

The main purpose of this study was to investigate the barriers to education and extension in management of rangelands of Mazandaran province. The research is of applied type and field research in Mazandaran Province. Population consisted of all Extension and rangeland management experts in 12 counties of Mazandaran province that in relation to the expert’s population in each of the counties related to livestock and rangeland activities through random and available sampling method, the statistical sample of the study was selected that the sample size of 110 people was obtained using Morgan formula. The main research tool included a questionnaire. Its validity (form and content) was confirmed based on the collective opinion of experts from Jihad Agriculture, Natural Resources Management, Environment Organization, Rangelands and Forests Organization in Mazandaran Province, faculty members of Department of Agricultural Extension and Education and Rangeland of Sari Agricultural Sciences and Natural Resources University. Data were collected by means of a questionnaire. Cronbach’s alpha was used to estimate the reliability (0.798). The reliability was found to be acceptable. The results of factor analysis showed that: 1) Economic-supportive barriers; (2) infrastructural-technical barriers; (3) rangeland management system barriers; (4) socio-cultural barriers; (5) Political-institutional barriers were the five barriers to application education and extension in management of rangelands. These factors explained 74.66 percent of the total variance. Finally, the proposed research model in rangeland ranchers and rangeland brokers (policy makers) has provided solutions to reduce barriers and problems in extension rangeland management. Keep up with the research results development of the use of appropriate extension methods such as training and visit approach and participatory approach and prioritization of training and extension needs in the rangeland management department of the province to disseminate information and practical skills among rangeland users, integrating knowledge and indigenous skills with new technologies in conservation Recommended from pastures and livestock production.

In recent decades, considering merely the fodder production in dealing with rangeland ecosystems has led to the destruction of fields and reduced rangeland capacity for direct usages such as forage production. Therefore, proper and stable utilization of rangelands with the aim of improving the rancher's quality of life and stability in such kind of exploitation are among the major goals of Iran's social and economic development programs. Most development scholars have proposed the application of a diversification approach to economic activities within the framework of a stable development model to reduce the negative effects of mono-functional use of rangelands, considering the fact that this approach guarantees rangelands and economic stability of gainers, as the diversity of subsistence can be a replacement for unfavorable living conditions and poverty in such areas.

The present study was conducted in Cheshmekhan rangelands in Jajarm city in North Khorasan province. In this study, the beneficiaries were interviewed to check the capacity of the income sources, and those sources that were capable to be applied in the region were listed to prepare a suitability map and optimally combine the income sources. In addition to determining the suitability of rangelands for multi-purpose usages (livestock grazing, apiculture, and medicinal plants), the optimal combination of income sources for representative gainers was determined using the Linear Mathematical Planning Model in LINDO software.  Moreover, the instructions proposed by Arzani et al (2008) were used to determine the suitability of exploitation, according to which all the relevant factors were identified and scored in each model, and finally, the suitability of different utilizations (livestock grazing, apiculture, and medicinal plants) was categorized in classes S1, S2, S3, and N based on the total obtained scores.  On the other hand, to determine the optimal patterns of income sources for representative beneficiaries, the beneficiaries were interviewed in-person to check the capacity of NGOs' income sources. Then, those income sources that could be operationalized in terms of NGOs were listed to prepare a suitability map and develop their optimal patterns. Then, the required information regarding each NGO was obtained through interviews and questionnaires, based on which, a number of representative beneficiaries were defined in terms of the amount of capital available for each NGO, and their optimal income sources' patterns were determined individually, followed by a comparison between the optimal patterns and the current ones. It should be noted that this study used a linear planning model, which is solved by LINDO software.

the study's results indicated that 44.7% of the area was moderately suitable, 43.66% of the area was hardly suitable, and 11.54% of the area was not suitable for livestock grazing. Moreover, 14.23% of the area was very suitable, 49.38% of the area was moderately suitable, and 24.84% of the area was hardly suitable for apiculture. It was also found that 7.22%, 71.62%, and 9.6% were very, moderately, and hardly suitable for harvesting medicinal plants, respectively, and 11.5% of the region was not suitable for this purpose at all. The best exploitation pattern for different plant types was determined according to the ecological potentials of the region by identifying the optimal pattern of income sources, the results of which suggested that the efficiency of the optimal patterns increased by 1.01%, 2.11%, 3.18%, and 30.25%, respectively, compared to the efficiency of the current pattern for the representative gainer 1, 2, 3, and 4.

rangeland managers are required to manage and maintain the health of the rangeland's ecosystem, which is only possible when plant communities are used according to their suitable potential. The results of suitability studies showed that it was possible to reduce the number of livestock and restrict the use of medicinal plants and apiculture. Therefore, it could be argued that the knowledge concerning the suitability of multi-purpose usage and the economic desirability of any type of utilization could be applied in prioritizing the utilization and conservation of resources by identifying the utilization method as an alternative or complementary option. Therefore, this study determined the best utilization pattern for different plant types according to the ecological potentials of the region by identifying the optimal pattern of income sources.

The future of human life depends on a better understanding of the factors that lead to satisfaction. Social capital is one of the factors that can grow through the exchange of knowledge and experience and communication with others and be effective in promoting the satisfaction of local communities. Effective and efficient implementation of rangeland rehabilitation programs using a participatory approach also raises issues and problems for policy makers and managers that require a general approach to solving them. This study emphasizes the mediating role of social learning in the interaction of participation and trust in rangeland farmers' satisfaction with the implementation of rangeland management projects in Mazandaran summer rangelands and ends with the modeling process.

The study method is a survey and the statistical population studied includes rangers of 11 customary systems with 136 people in the summer rangelands of Mazandaran province in which rangeland management projects have been implemented in 1397. The sample size was determined using Cochran's formula of 100 people. Data were collected by stratified random sampling method using a Likert scale (structured) questionnaire. Data analysis was performed using SPSS22 and Smart PLS3 software. The apparent and content validity of the research tool was confirmed using the collective opinions of experts related to the research topic. Also, the values obtained from Cronbach's alpha, combined reliability and mean variance extracted for different sections of the questionnaire were acceptable. In order to test the conceptual model of the research, structural equation modeling of reflective model type (for arrows from structures to items) based on the partial least squares method has been used. The values observed on the path between the structures (hidden variables) with each other are called the path coefficient and show the correlation coefficient of the two structures or the standardized regression beta. This method is a very powerful and general technique of multivariate regression or general linear model expansion, and external and internal models examine the relationship between overt and covert variables.

The results of path analysis with Smart PLS3 software showed that all three indicators (trust, participation and social learning) have a positive and significant effect on the satisfaction of rangers with the implementation of rangeland plans and are able to 85% of the dependent variable changes ( Explain the satisfaction of ranchers). The trust variable has a direct effect of 0.303 and the participation variable has a direct effect of 0.598 on satisfaction. But because of the mediating role of social learning, they have more effects on satisfaction; Thus, the indirect effect of trust on satisfaction due to the mediating role of social learning (0.608 * 0.561) is equal to 0.341 and more than the direct and unmediated effect of social learning, ie 0.303. In general, the effects of trust (0.644), ie directly in addition to the indirect effect, are stronger than the effect of trust on satisfaction alone (0.303). Also, the indirect effect (through the mediating role of social learning) of participation on satisfaction (0.608 * 0.329) is equal to 0.000, which is less than its direct effect (0.598), but in general, the effects of participation on Satisfaction (0.798) which is obtained by combining direct and indirect effects of social learning on satisfaction is greater than the effect of participation alone (0.598) on satisfaction, so it can be concluded that social learning plays a role. There has been an improvement in increasing the total effects of independent variables on the dependent variable.

In this study, social learning through the sharing of information and relationships between rangelanders prepares the necessary ground for knowledge transfer and by increasing the indicators of social capital among rangeland ranchers in Mazandaran summer rangelands in which in 1397 Were implemented; Improving manpower productivity and increasing ranchers' satisfaction. Indicators of social capital express different conditions and characteristics governing the actions and performance of rangelanders in the implementation of rangeland projects that have many effects on their satisfaction. Therefore, it can be said that the richer the relationship of ranchers in the implementation of projects, the higher their satisfaction with the performance and implementation of projects.

Effective and efficient implementation of rangeland improvement and rehabilitation programs using a participatory approach will raise issues and problems for policy makers and managers requiring a general approach to solve them. This type of management is often related to the pattern of social relations between ranchers in the structure of different management systems governing on rangelands. The purpose of this study is to analyze the social network of ranchers in terms of participation related to the implementation of rangeland activities and compare it in the management systems of private exploitation, collective and council in the Delarstaq rangelands of Amol. In this research, using a network analysis questionnaire and a direct interview, the link was examined between participation in the implementation of rangeland management plan. According to the research findings, the rates of density, reciprocity and transitivity indices in private exploitation management system are higher than collective and in common management system are higher than the council. However, the average geodetic distance index and network centrality indices in group management systems (collective and council) were higher than the private exploitation management system, which indicates less participation, cohesion and integration of the ranchers in group management systems. Therefore, considering the discovery of social gaps in the participatory network of group management systems, modifying the structural pattern of social relations in these systems before the implementation of the desired programs is one of the basic and necessary measurment for successful participatory management in these areas.

The overall goal of this study is to investigate the impact of indigenous knowledge in ecotourism industry and generate revenue in Poloor region of Mazandaran province. This research is a survey study and information are collected based on  questionnaire in the format of Likert scale.. The studied population consists of 210 residents of Poloor region and sample size is achieved  111 randomly based on Cochran formula. But in field study , only 70 questionnaires have been completed and the others didn't tend to respond. Research reliability has been calculated by Cronbach's alpha and the value of this coefficient has been 0/803 . Variance analysis tests, Duncan compare means tests , Pearson correlation coefficient and simple regression have been used for data analysis. These analysis have been done by spss software. The results showed that, there's a significant relationship between indigenous knowledge, ecotourism industry and economical prosperity. It means that, with proper management based on indigenous knowledge, it is possible to  preserve natural resources areas especially pastures of the above region in addition of tourists attraction, job creation, revenue, cultural preservation of indigenous traditions.

Rangeland's development will not be possible without the participation of Ranchers. Today, network social capital can control the participatory behavior of users in the protection of rangelands and their customary boundaries. The purpose of this study is to analyze the social capital of the network among ranchers with different levels of participation in conservation projects (biological projects including seeding and enclosure; and biomechanics or banking projects) of the customary rangelands of Dehgolan city. The research method is descriptive-analytical based on a questionnaire, and its statistical population includes 275 users of rangelands in 10 conventional areas of the region based on the audit list. The samples were selected randomly, and 160 rangeland operators were selected using Cochran's formula. To determine the validity of the questionnaire, a panel of experts was used, which included professors and technical experts of the General Administration of Kurdistan Province. Cronbach's alpha values for "common goals of rangers with local networks" and "common goals of rangers with government networks" were calculated as 0.80 and 0.82, respectively. The results of the Helmert contrast approach showed that beneficiaries who were permanently involved in rangeland conservation projects had more common goals with local and government networks than beneficiaries who were temporarily involved in rangeland conservation projects. The results showed that using the social capital capacity of the network can change the participatory approach of users to implement rangeland conservation projects by strengthening the cohesion of local communities.

Soil seed bank has an important role in vegetation restoration following cessation of disturbance. In this study, the soil seed bank richness and diversity were investigated in semi-steppic rangeland with a history of land conversion into cultivation in Charmahal-Bakhtiari province. Land-use changes were identified in grassland and shrubland and then were classified into four groups according to the time since abandonment including < 5, 5-15, 15-25 and > 25 years. Aspect was considered in each group. Soil was sampled and seed bank was identified using seedling germination method in glasshouse. Then, seed bank richness and diversity indices were calculated. Results showed that in seed bank the number of perrenilas was greater than annuals. In both grassland and shrubland time since abandonment significantly influenced the soil seed bank richness and diversity. In grassland soil seed bank richness and diversity decreased with time of abandonment but in area with more than 25 yrs of abandonment seed abnk richness and diversity significantly increased. Aspect significantly affected both seed bank richness and diversity in shrubland. North slpoe showed fluctuation in seed bank richness and diversity during abandonment while an increase was found in west slope and a reduction in south and east slopes. In both sites the soil seed bank indices significantly increased shortly after abandonment (<5 yrs) but seed bank richness and diversity showed resilient in >25 yrs in grassland and >15 yrs in shrubland.

Some of the environmental problems in each region are affected by the tourist’s behaviors, and to solve these problems, it is necessary to identify the factors that affect the environmental behavior. In this regard, the present study investigates the relationship between the variables of knowledge, attitude and perception with the variable of environmental behavior in the Miankaleh area of Behshahr. The research method is survey and the data collection tool is a questionnaire. The questionnaire questions were designed based on the Likert scale of five options and its reliability was calculated through Cronbach's alpha test. The statistical population of Miankaleh region included 340 visitors, which was determined using Cochran formula, the sample size was 181 people. Data analysis was performed using Smart-PLS and SPSS software. Findings from structural equation modeling in Miankaleh region showed that there is a positive and significant relationship between the independent variables of knowledge, attitude and perception with the dependent variable of environmental behavior. Perception variable with a path coefficient of 0.814 had the most direct effect on environmental behavior and the path coefficient of two variables of attitude and knowledge were 0.329 and 0.467, respectively. The results of correlation test showed that there is a positive and significant correlation between environmental knowledge, attitude and perception with environmental behavior, which among the three variables studied, perception with a correlation coefficient of 0.455 has the highest correlation with environmental behavior. For two variables, knowledge and attitude were obtained with a correlation coefficient of 0.209 and 0.237, respectively. In general, it can be said that the studied variables reinforce environmentally responsible behaviors and promote responsibility towards the environment.

Carbon sequestration was monitored and predicted in rangeland ecosystems of Noorrud watershed. For this purpose, the land cover status of the years 1988, 1998, 2008 and 2018 were investigated on the basis of Landsat satellite images. Rangelands were segmented on the basisi of distinguished vegetation cover. Field sampling method was used for rangelands. For other land uses however, the default data of the International Climate Change Committee (IPCC) were used. Sampling points were marked on the maps and by designing a systematic-random sampling system, three 100m long transects were established on each already marked sampling area. Ten plots were put alongside of the each transect. In each plot, the percentage of vegetation cover and its biomass was estimated. To measure soil carbon at each sampling points, a soil profile was dug and soil samples were taken from a depth of 0 to 30 cm. samples dried in the open air and transported to the laboratory to determine carbon sequestration by walk-block method. By using the IDRISI Terrset software carbon sequestration measured based on ton per hectar and their distribution were mapped for each year. The results showed in the best rangelands S1 the land have decreased by 10374 hectares and in the poor ragelands S3 it have declined by 3.10253 hectares. On the otherside the lands classified as medium (S2) had an increasing trend (10758 hectares). Also, the amount of carbon in good, medium and poor rangelands is 111.45, 81.63 and 50.39 tons per hectare, respectively. The results also showed that carbon sequestration has been decreasing in the course of the study. So that its amount decreased from 9905729 tons in the whole area in 1988 to 8860803 tons in 2018. Meanwhile, the highest rate of decrease was related to the period 2008 to 2018 (562125 tons).

The economic and social values of animal husbandry and rangeland management in rural areas are important factors for the continuation and maintenance of traditional livestock husbandry. This study aimed to identify social, economic, managerial, and environmental factors affecting traditional livestock husbandry in Nodoushan rangeland in Yazd province. Results of the Friedman test and prioritizing each of the items in the social factor showed that the immigration of villagers to the city and the depletion of labor from the village was the first influential factor with an average of 7.87 and the tendency of young laborers to non-agricultural jobs was the second influential factor with an average of 6.39. Important economic factors were lower productivity of traditional livestock husbandry compared with other economic activities, especially in non-agricultural sectors as the first influential factor with an average of 9.48, and the high cost of shepherds' wages and rangeland rent was ranked as the second influential factor with an average of 9.35. Regarding the managerial factor, the lack of fodder due to overgrazing was considered as the first influential factor with an average of 9.02 and the neglect of villagers' insurance was the second influential factor with an average of 8.43. Regarding the environmental factor, drought and forage shortage were the first effective factors with an average of 5.19 and fodder deficiency due to climate change (frost, heat, pests and diseases) was the second effective factor with an average of 3.92.

Fire is one of the most important ecological factors that can change the function of natural ecosystems. Plant growth depends on the soil, and fire can cause various changes in it. In order to investigate the effect of fire on soil and vegetation, two sites were selected including control and firefighting, each of them with an area of 37 ha, in Varcheshmeh Tusmal Rangeland of Kiasar in Mazandaran province. And in each site was done sampling of vegetation and soil by random – systematic sampling. In each site, 10 drilling and sampling profiles were performed from a depth of 0-15 and 0-30 cm. 30 square plots (1m2) were used to collect vegetation data. Plant characteristics including life form, biodiversity and soil characteristics including moisture, texture, electrical conductivity, acidity carbon, organic matter, lime, nitrogen, phosphorus, potassium were determined. The results of life forms in control and burnt rangelands showed that due to the fire of perennial species, the burned areas decreased by 33.15% compared to control. While it did not have a significant effect on annual and biennial species. The results of the effect of fire on the diversity of the whole species showed that the characteristics of the number of species, Simpson, Shannon, Margalf and Mannhinik richness were decreased 66.66, 45.6, 57.92, 67.74 and 129.49% respectively. While fire had no significant effect on the uniformity index. The results of soil experiments showed that the percentage of sand and silt, soil absorbable potassium, adsorbent phosphorus, soil nitrogen, lime, carbon, organic matter, soil acidity and electrical conductivity in burned treatment increased significantly. However, the percentage of clay and the percentage of soil moisture in the burned areas compared to the control showed a decreasing trend.

Predicting the trend of land use/land cover chenges in natural range ecosystem via remote sensing techniques and evaluating their potentials by modeling, plays an important role in decision making. The goal of this research is monitoring and predicting land use/land cover changes in Nour-rood basin by CA-Markov in a 60 year periods (1988-2048). Landsat TM (1988, 1998, 2008) and OLI (2018) imagery of similar months (in July) were classified by maximum likelihood method algorithm. Terrestrial reality derived from topographic at scale 1:25000 and aerial photos available in the (GDNR) and (WMM) during 1988-2008 and field visits (2018) were evaluated for accuracy. The accuracy of the production maps calculated with Kappa coefficient. So that the highest and lowest ratio were related to the images of 1998 and 1988, respectively with the values of 0.86 and 0.81. The results were compared with field ground truth to determine the accuracy of results. Random matric used to convert land use classes and the map of land cover of Nour-rud basin predicted, in (2018-2028). The results showed that in (1988-2018), forests and rangelands with excellent and fair cover conditions had decreasing and ranges with good condition, rocks and residential areas had increasing trend. Total area of rangelands decreased from 116206 hectares in 1988 to 106336 hectares in 2018. Moreover, the results of Markov model with more than 85% precision showed the same trend of land use changes from 2018-2048. Excellent rangeland cover conditions, showed decreasing trend, rocky and residential areas will also have an increasing trend until 2048. Markov's prediction model also shows an accuracy of more than 85%. The trend of land use changes during 2018-2048 will be the same as in previous. In whitch case, excellent range condition will have decreasing trend; rocky and residential areas will have an increasing trend until 2048.

The aim of this study was to identify factors influencing participation of landholders in the the rehabilitation and restoration of Choqakadoo rangeland in the city Sarpolzahab province of Kermanshah The aim of the research, applied research methodology, causal correlation. In addition to data processing descriptive statistics and correlation, multiple regression and path analysis method of inferential statistics were used. The results showed that the correlation coefficient attend public hearings, cordial relations with its neighbors, dominating the promoters on technical topics, providing extension services in the field of rehabilitation and restoration of rangeland, over responsibility for part of the program into landholders, membership in local organizations, familiar of landholders with and participate in training courses and promotional programs most of solidarity with the participation of landholders in the rangeland rehabilitation and restoration. Enter regression methods on variables including background indicate that their level of education, the most direct and positive effects (0/281) and the most positive effect and total (0/357) on the participation of landholders, also number of livestock, number of dependents and income are next in priorities. Among the variables including background age and years of exploitation has a negative effect (-0/482 , -0/468) on landholders' participation in the rangeland rehabilitation and restoration. So pay particular attention to these factors can be placed on the agenda of managers and planners and more participation of landholders in areas of rehabilitation and restoration of rangelands, provide in every area.

In this study, examines oil percentage and fatty acid composition of Silybum marianum seeds were determined in habitats located in the west of Mazandaran province at different elevations and soil physiochemical properties. After identifying Silybum marianum shrubs in elevation classes of the study area, seeds were sampled using systematic random method and along a 100 m transect at 30 m intervals from three points. After the establishment of transects, in order to study soil physiochemical properties and their relationships with the quantity and quality of fatty acids and oil, three plots were placed in each site and as the number of plant samples, 18 soil samples were taken from the depth of 30 cm and around the root of the plant. Hexane solvent and Soxhlet were used to determine oil content. Identifying fatty acid compositions and Silymarin extraction were done using gas chromatography spectrometer (GC/MS) and methanol solvent in ultrasonic bath, respectively. Based on the results, the highest amount of oil and Silymarin were obtained from plains and mountainous regions, respectively. According to the results, unlike Silymarin, habitat did not have a significant effect on oil content, also the highest amount of oil and Silymarin were obtained from plains and mountainous regions, respectively. Considering the significant effect of habitat on the quality of oil, Oleic acid showed significant negative response to habitat. Soil organic matter and calcium carbonate also had negative inverse relationships with elevation. Sand, potassium, phosphorus and nitrogen indicated negative relationship with oil percentage. Elevation had positive relationship with Margaric acid and Linoleic acid, but negative relationship with Oleic acid. There was positive relationship between Palmitic acid and sand, phosphorus and nitrogen. Because the Oleic acid was predominant followed by the Linoleic acid, it can be concluded that Silybum marianum oil is in the Oleic-Linoleic oil group with high nutritional quality, thus cultivation of this oily seed could be an alternative to produce edible oil and reduce the dependence on other countries.

Activities related to the extraction of minerals are one of the factors causing a disturbance in rangelands. Vegetation succession in mining areas depends on the soil seed bank. For this purpose, the soil seed bank was studied in two important coal extraction sites in Mazandaran province to identify and compare seed amount between coal wastes and nearby rangeland as control. Soil and coal wastes samples were taken from 140 plots of 1 m2 in Kiasar coal mine and 115 plots in Karmozd coal mine before the growth season. Samples were kept in a glasshouse for eight months germinated seeds were counted. Results of this study showed that the germination of 28 species in Kiasar and 23 species in Karmozd. 10 and 6 species only presented in Karmozd and Kiasar coal waste, respectively. Annuals dominated the coal waste seed bank in Kiasar while perennials were common in Karmazd coal waste seed bank. In Kiasar, coal waste seed bank had less diversity and richness than that in seed bank of rangelands, but no significant differences were observed between seed bank of coal waste and seed bank of rangeland in Karmozd. Due to the harsh conditions of seed germination and seedling establishment and also low seed density in the seed bank, natural regeneration in coal wastes of these two sites will be a slow process and it needs amendment treatments and the introduction of target plants seeds.

The aim of this study was to investigate the factors affecting the beneficiaries' economic recession in the BolbanAbad Rangelands. The statistical population of this study was 400 beneficiaries in the BolbanAbad Rangelands. The sample size of this study was determined to be 196 rangeland beneficiaries by using Krejcie and Morgan table. A random sampling method was used to select the samples. The tool used to collect data and information was a questionnaire. The validity of the questionnaire was confirmed by rangeland experts and its reliability was confirmed by Cronbach's alpha coefficient. Data were analyzed by SPSS software version 22. The results of Spearman correlation test showed that economic factors had the highest correlation with the beneficiaries' economic recession. In addition, the results of factor analysis showed that among the economic factors, the lack of job diversification with a coefficient of 0.912; among the management factors, the limitation of credit transfer to low-income beneficiaries to reduce the income dependency with a coefficient of 0.885; among the environmental factors, the traditional livestock vulnerability due to drought and forage deficiency with a coefficient of 0.893; and among the social factors, the distrust between the beneficiaries in collaborative activities with a coefficient of 0.910 had the most impact on the beneficiaries' economic recession. Also, the results of the path analysis showed that the most direct and total effects were related to economic factors and the most indirect effect was related to management factors.

This study was conducted in the rural allotments of arid and desert rangelands of Nodoushan, Yazd. Nine ecologically similar allotments were selected in the area and one herd was selected in each of the allotments.The study livestock were Nodoushan pure goats with an average number of 230 goats in each herd. The objective of this study was to determine the income, cost and benefits of the Nodoushan goat. The results showed that the highest present expenditures were related to the manual feeding of livestock and shepherd wages. The highest income was related to livestock, milk and yogurt sales, respectively. In all nine allotments, the costs were higher than the incomes, leading to a negative net income in each of the allotments. Valuation using present net value based on 15,18 and 20 percent discount rates in 2015,2016 and 2017 showed that net present value and benefit-cost ratio were less than zero and one, respectively, in all the three years. Thus, traditional animal husbandry in the study areas is not economically profitable.