|Table of Contents|

Forest Soil Environment Quality and Plant Species Diversity Along Baotian Highway(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年17
Page:
125-131
Research Field:
Publishing date:

Info

Title:
Forest Soil Environment Quality and Plant Species Diversity Along Baotian Highway
Author(s):
LI Youwen1; 2; WANG Jing1; ZHA Xianghao1; ZHANG Shengnan1; JU Tianzhen3
1.College of Chemistry and Environmental Science，Kashgar University，Kashgar，Xinjiang 844000；2.Xinjiang Biomass Solid Waste Reclamation Technology and Engineering Center，Kashgar，Xinjiang 844000；3.College of Geography and Environmental Science，Northwest Normal University，Lanzhou，Gansu 730070
Keywords:
highway; soil quality; plant diversity; principle component analysis
PACS:
-
DOI:
10.11937/bfyy.20170566
Abstract:
All 21 samples of soil and vegetations selected from Baotian highway natural forest，secondary forest and artificial forest were investigated respectively，Tianshui，Gansu Province，and the quality of soil environment and the diversity of plant diversity were studied in different land use patterns，and the effects of habitat factors such as soil physical and chemical properties and topographic conditions on plant biodiversity were discussed.The results showed that the average contents of soil organic matter，water content，available nitrogen and available phosphorus decreased by 47.34%，56.08%，82.38%，36.27% along the Baotian highway，respectively；the average contents of soil available potassium and pH increased respectively by 16.48% and 47.14%，compared with the Xiaolongshan forest in Gansu Province.According to the national soil nutrient classification standards，the contents of soil organic matter，available phosphorus and available potassium of the study area were in the middle and upper level，but the available nitrogen was relatively lack.Nemerow index showed that the soil comprehensive fertility coefficient followed a pattern of control group (2.09) > natural forest (1.50) > secondary forest (1.30) > artificial forest (1.12).Correlation and principal component analysis showed that the slope and elevation were the main factors affecting the diversity of forest communities along the Baotian highway；while the soil organic matter，available nitrogen，available potassium and soil pH were indirect factors.

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Last Update: 2017-09-29