SOILS AT RISK OF ACCELERATED EROSION IN ENGLAND AND WALES

被引：97

作者：

EVANS, R

机构：

[1] Department of Geography, University of Cambridge, Cambridge, CB2 3EN, Downing Place

来源：

SOIL USE AND MANAGEMENT | 1990年 / 6卷 / 03期

关键词：

D O I：

10.1111/j.1475-2743.1990.tb00821.x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Abstract. The 296 soil associations of the National Soil Map of England and Wales are placed into five categories of erosion risk. These are based on land use, landform and soil properties and take into account the extent of erosion in the uplands, and its frequency, extent and rates in the lowlands. Erosion of arable land is by water or wind, but in the uplands frost action and disturbance by sheep are also important. A large proportion of arable England (36%) is at moderate to very high risk of erosion, including much of the better drained and more easily worked land, especially sandy soils. In the uplands thin soils or deep peats are most at risk. If land use changes, because of increasing intensification of agriculture or in response to climatic changes, many soil associations will become more at risk of erosion. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：125 / 130

页数：6

共 44 条

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