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[1]WANG Fei,CHEN Guopeng,QI Rui,et al.Water-holding Performance of Major Forest Litter Layer in Bailong River Upstream Watershed of Gannan[J].Research of Soil and Water Conservation,2016,23(06):242-247.

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Water-holding Performance of Major Forest Litter Layer in Bailong River Upstream Watershed of Gannan

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 23 Number of periods: 2016 06 Page number: 242-247 Column: Public date: 2016-12-28

Title:: Water-holding Performance of Major Forest Litter Layer in Bailong River Upstream Watershed of Gannan

Author(s):: WANG Fei, CHEN Guopeng, QI Rui, YANG Yonghong, ZHANG Xiaolei; College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China

Keywords:: Bailong river in gansu province; different forest types; litter; water-holding feature

CLC:: S714.7

DOI:: -

Abstract:: By the methods of field survey and soaking extraction, an investigation on the water-holding capacity of the litters under four main forests (fir forest, spruce forest, larch forest, Pinus armandi forest) was conducted in Bailong River of Gansu. The accumulation amount of the litters under forests ranged from 11.75 t/hm² to 28.96 t/hm², and followed the order:fir forest(28.96 t/hm²) > larch forest(16.17 t/hm²) > Pinus armandi forest(14.36 t/hm²) > spruce forest(11.75 t/hm²); the litter, water-holding capacity changed logarithmically with their soaking time, the water-absorption rate of the litter presented a power function with immersing time. The effective retaining amount of the litter decreased in order:fir forest > larch forest > Pinus armandi > spruce forest.

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