Spatial analysis of biodiversity soil macrofauna in Populus deltoides plantation of northern forests of Iran

سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 77

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شناسه ملی سند علمی:

JR_CJES-17-2_006

تاریخ نمایه سازی: 27 خرداد 1403

چکیده مقاله:

Information about the spatial patterns of soil biodiversity and understanding the effects of biodiversity on ecosystem processes are limited. This study was conducted to determine whether biodiversity of soil macrofauna features demonstrate spatial patterns in the Populus deltoides plantation in north of Iran. ۱۵۰ soil samples were taken using a grid sample of ۴۰ × ۴۰ m. Soil macrofaunawere sampled by digging and hand sorting two ۵۰ × ۵۰ cm areas into a depth of ۲۰ cm in each treatment.Abundance (the number of macrofauna) diversity (Shannon-Weiner index), richness (Menhinick index) and evenness (Smith–Wilson index) were calculated using geostatistics (variogram) in order to describe and quantify the spatial continuity. Some soil chemical and physical properties were determined. The variograms of variable revealed the presence of spatial autocorrelation. The range of influence was ۷۱۰.۹ m for abundance, ۶۵۰.۳ m for diversity, ۷۲۰.۹۰ m for richness and ۴۱۰.۹ m for evenness. The kriging maps indicated that the soil macrofauna have spatial variability. Moreover, the spatial pattern of macrofauna biomass is similar to the pattern of clay and pH of soil.

نویسندگان

Neda Ghorbanzadeh

Department of Forestry, Faculty of Natural Resources, University of Guilan, Sowmeh Sara, Iran

Hassan Pourbabaei

Department of Forestry, Faculty of Natural Resources, University of Guilan, Sowmeh Sara, Iran

Ali Salehi

Department of Forestry, Faculty of Natural Resources, University of Guilan, Sowmeh Sara, Iran

Ali-Ashraf Soltani Toolarood

Department of Soil Science, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran

Seyed Jalil Alavi

Department of Forestry, Faculty of Natural Resources and Marin Sciences, University of Tarbiat Modares, Noor, Iran

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