جستجوی مقالات مرتبط با کلیدواژه "دیدگاه بوم شناسی" در نشریات گروه "اکولوژی"

The answer to what is the experience and indigenous knowledge of pastoralists and nomads about the rangeland management and how to apply the existing knowledge in rangeland management plans, is one of the important topics of rangeland management. In this regard, indigenous mechanisms of grazing management in the semi-desert rangeland of southeastern of Isfahan were investigated. The research method was qualitative and while conducting in-depth interviews and collecting information, key questions were determined about how management and livestock grazing behavior. Summarizing the statements of the interviewees and library sources, showed that; livestock grazing behavior in different months of the grazing season is different; in terms of movement speed and the hours of the herd's presence in the rangeland, sources of nutrition, the amount of fodder required and amount of fodder consumption and is strongly influenced by the quantity and quality of fodder and plant composition. Herd management during the grazing season is done with two systems of continuous grazing and rotational grazing system. The choice of grazing system is related to predominance of species and the amount of harvestable fodder and management goals. During the cold months of the year, the continuous grazing system is used, and as the weather gets warmerand favorable conditions for the regrowth of plants, the rotational grazing system is used. which is considered the number of grazing plots in each rangeland 28 and the number of grazing times per plot twice a year. The grazing period in each plots is considered to be one day and the resting period is four days. Total Digestible Nutrients (TDN) in the area of 5000 hectares of the researched rangeland area is equal to 141157 kg and the amount of TDN demand is 146361 kg. With these conditions, there are in the months of December, January, February and March, respectively, the fodder deficit is 29.5, 28.5, 22.8 and 11.3% and in the period of plant growth (April and May), 51.6 and 3.6% of surplus fodder. In total, the mentioned systems, which are designed and implemented through the experience and indigenousknowledge of rangeland management and with the aim of establishing a balancing fodder with the daily needs of livestock in different months of the grazing season; it is consistent with the principles and foundations of modern range management knowledge, that if included in rangeland plans, while providing the basis for the participation of users in the preparation and implementation of rangeland plans, will also provide more success for the plans.