草业学报 ›› 2017, Vol. 26 ›› Issue (7): 201-212.DOI: 10.11686/cyxb2016342
马周文1, 王迎新1, 王宏2, 阿不满3, 张贞明3, 侯扶江1, *
收稿日期:
2016-09-07
出版日期:
2017-07-20
发布日期:
2017-07-20
通讯作者:
E-mail:cyhoufj@lzu.edu.cn
作者简介:
马周文(1991-),男,甘肃陇西人,在读硕士。E-mail:mazhw2015@lzu.edu.cn
基金资助:
MA Zhou-Wen1, WANG Ying-Xin1, WANG Hong2, A Bu-Man3, ZHANG Zhen-Ming3, HOU Fu-Jiang1, *
Received:
2016-09-07
Online:
2017-07-20
Published:
2017-07-20
摘要: 草地枯落物是连接放牧生态系统中“土—草”界面的主要媒介,是调控地上-地下生态过程的关键因子,对草地物种多样性、生产力、退化草地恢复等具有重要意义。一方面,家畜的采食、践踏、排泄物等减少枯落物积累和加速其分解,且与放牧强度、制度、季节、家畜种类联合响应;另一方面,枯落物影响家畜的选择性采食、蹄压等行为,为微生物和小草食动物生命活动提供有利场所及能量,进而影响草地生态系统结构及功能。枯落物也能够改变土壤理化性质和物质循环,产生化感物质,影响种子发芽、幼苗生长,导致草地群落构建和演替。本研究综述了国内外相关文献,探讨放牧生态系统中的枯落物及其作用,旨在明确草地生态系统中“放牧-枯落物-土壤-绿色植物”之间的相互作用机制,为后续草地可持续性管理研究提供理论依据。
马周文, 王迎新, 王宏, 阿不满, 张贞明, 侯扶江. 放牧生态系统枯落物及其作用[J]. 草业学报, 2017, 26(7): 201-212.
MA Zhou-Wen, WANG Ying-Xin, WANG Hong, A Bu-Man, ZHANG Zhen-Ming, HOU Fu-Jiang. Litter and its functions in grazing ecosystems[J]. Acta Prataculturae Sinica, 2017, 26(7): 201-212.
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