首页|杭州湾南岸滨海平原土地利用变化对土壤发生层次质量演化的影响

杭州湾南岸滨海平原土地利用变化对土壤发生层次质量演化的影响

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The impact of land use change on quality evolution of soil genetic layers on the coastal plain of south Hangzhou Bay
Land use change plays an important part in the studies of global environmental change and regional sustainable development. The change of soil quality can particularly reflect the impacts of human socio-economic activities on environment. Taking the coastal plain of south Hangzhou Bay as a study case, we analyzed the effects of land use changes on organic matter (OM), total nitrogen (TN), total phosphorus (TP), available phosphorus (AP),available potassium (AK), total salinity (TS), pH value in soil genetic layers, and assessed soil quality change related to different land use types from 1982 to 2003. The results show that: (1)The general change tendency of soil quality in the coastal plain of south Hangzhou Bay declined obviously in A layer and slightly rise in B (or P) layer and C (or W) layer. The contents of TP decreased generally in all soil genetic layers, but the variety difference of other soil quality indices was relatively great. (2) The change of soil quality in the areas where land use changed is far more remarkable than that with land use unchanged. The value of quality variety is A layer B (or P) layer C (or W) layer. (3) The changes of soil tillage, cultivation, fertilization, irrigation and drainage activities related to land use may make some soil-forming processes disappeared and bring in other new processes which will affect the soil quality and soil genetic layers directly.

land usesoil qualitysoil genetic layercoastal plainsouth Hangzhou Bay

李加林、李伟方、杨晓平、张殿发、童亿勤

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Coastal Resources and Environment Research Center, Ningbo University, Ningbo 315211, China

land use soil quality soil genetic layer coastal plain south Hangzhou Bay

国家自然科学基金浙江省自然科学基金宁波自然科学基金宁波自然科学基金K. C. Wong Magna Fund in Ningbo University

40701006YS050322006A6100772002C10026

2008

地理学报(英文版)
中国地理学会,中国科学院地理科学与资源研究所

地理学报(英文版)

CSTPCDCSCDSCI
影响因子：1.307
ISSN：1009-637X
年,卷(期)：2008.18(4)
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