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Abstract:   (33 Views)
This study investigates the role of anthropogenic disturbance on nutrient storage by herbaceous species in Gall Oak stands of Lorestan province. In order to do this study, two sites with the same ecological condition and different land uses were selected. Multiscale sampling plots were used randomly to collect data on forest floor vegetation, trees and soils. Richness and biodiversity indices, generalist species, herbaceous biomass, nitrogen and phosphorus content of the plant tissues and nutrient storage were compared in each sites. Results showed significant differences in the two sites, between species richness, the number of herbaceous species, Margalaf richness and Shannon-Weiner diversity indices, above-ground and below-ground. Also the above-ground and below-ground were greater 43.7% and 35.3% respectively in the protected site. Based on the results more amounts of Nitrogen and phosphorus is stored by herbaceous species in protected site. Also more native species and surface soil fertility improvement in the protected site revealed that conservation programs led to better environmental conditions and provide suitable conditions for ecosystem resilience. Also, more amounts of nutrients stored by herbaceous species in protected site indicates that these plants plays important role in the storage of nutrients in the ecosystem. The amounts of nutrients is less in the disturbed site.
 
     
Type of Study: Applicable | Subject: اکولوژی جنگل
Received: 2018/04/16 | Accepted: 2018/06/2

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