3643

3442

كارشناسي ارشد

مرتعداري

اصفهان: دانشگاه اصفهان، دانشكده منابع طبيعي

1386

ده، 149، [II]ص.: مصور، جدول، نمودار

ص. ع. به فارسي و انگليسي

حميد متين خواه

محمدرضا وهابي ، جواد كرامت

13/5/86

مهدي بصيري ،جمال الدين خواجه الدين

1396/02/31

كتابنامه

منابع طبيعي

مهندسي منابع طبيعي

ID3442

به فارسي و انگليسي : قابل رويت در نسخه ديجيتال

155AbstractWest forests of iran are one of the most rich biological resources in iran and theirunderstory vegetation which is the main source of the forage for rural and nomadiclivestock So these forest are center of animal husbandry in iran Pasture yield qualityand species biodiversity were compared between zones under trees and open lands nearthe trees Trees affected pasture quality and yield and their biodiversity In this study two species of trees were studied Quercus Brantii Liddl and Acer monspesulanum L These trees affected pasture yields grown under the trees Pasture yields in open landsnear the trees without trees land were greater than under trees Trees also affectedspecies biodiversity Under trees variety of species was greater than open lands Soilunder trees had higher levels of organic carbon and greater litter cover than soil had inopen areas These effects on soil were caused that most of forage quality factors tend tobe higher under trees than in open areas Trees appeared to have a greater effect on soilnutrient availability at the low fertility site These results indicate that while removingtrees may enhance pasture productivity this benefit may be offset by a reduction inpasture quality Given the beneficial effect of trees on soil nutrients tree removal mayalso have longer term implications for soil nutrient dynamics

حميد متين خواه

محمدرضا وهابي ، جواد كرامت

مهدي بصيري ،جمال الدين خواجه الدين