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
收藏
页码：251 / 257
页数：7
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