LIVESTOCK GRAZING IMPACTS ON INTERRILL EROSION IN PAKISTAN

被引：11

作者：

BARI, F ^{[1
]}

WOOD, MK ^{[1
]}

MURRAY, L ^{[1
]}

机构：

[1] NEW MEXICO STATE UNIV,DEPT EXPTL STAT,LAS CRUCES,NM 88003

来源：

JOURNAL OF RANGE MANAGEMENT | 1995年 / 48卷 / 03期

关键词：

STANDING PHYTOMASS; LITTER PHYTOMASS; FOLIAR COVER; SEDIMENT CONCENTRATION; TOTAL SEDIMENT LOSS;

D O I：

10.2307/4002429

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

This study was conducted for 2 consecutive growing seasons in a temperate region of Pakistan to determine a residual phytomass level necessary to adequately protect the soil against accelerated interill erosion, A rainfall simulator was used to apply rainfall to 48 (1 m square) circular plots arranged in a completely randomized experimental design, with 4 residual phytomass levels and 2 replications. The residual treatment with 3,024 kg ha(-1) phytomass resulted in the lowest erosion rates, and the treatment with 624 kg ha(-1) phytomass produced the highest erosion. Standing phytomass was the most important variable affecting erosion with foliar cover and basal cover also highly correlated to erosion.

引用

页码：251 / 257

页数：7

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