نتایج جستجو برای: ecological factors
تعداد نتایج: 1163995 فیلتر نتایج به سال:
Restoration planning of forest species necessitates knowledge of ecological attributes. Myrtle is one of the valuable species in Zagros forests that knowledge of ecological attributes is necessitated for restoring stands of this species.This study aimed to determine the effects of environmental factors on myrtle distribution in Lorestan province. Based on available information and forest surv...
Knowledge about plant communities and their relationships with ecological factors is one of the most important issues in conservation ecology particularly in the recent decades. The current investigation aimed to study the vegetation ecology of Palangan habitat in Aghdagh Protected area, Ardabil province. In order to collect species and environmental data, a total of 45 plots along a 1500 m ele...
one of the effective tools for identifying land resources and assign them to the best and most profitable forms of land productivity, susceptibility of agro-ecological zoning . in this study agro-ecological zoning of satellite imagery and gis were used. after agro-climatic zoning (based on isorain, isothermal and length of growing period maps) and agro-edaphic zoning (based on soil, slope and l...
agricultural sustainability refers to the ability of a farm to produce food indefinitely, without causing irreversible damage to ecosystem health. the main objective of this study was to formulate a structural model to analyze the effects of ecological, social, and economic factors on sustainable agricultural development in qazvin province of iran. to achieve this aim, a structural model with 4...
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