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当前位置: 首页 > 文章 > 雨雪冰冻灾害对广东杨东山十二度水保护区常绿与落叶混交林凋落物的影响 林业科学 2008,44 (11) 177-183
Position: Home > Articles > Effects of the Frozen Rain and Snow Disaster to the Litterfall of Evergreen and Deciduous Broadleaved Mixed Forest in Yangdongshan Shierdushui Nature Reserve of Guangdong Scientia Silvae Sinicae 2008,44 (11) 177-183

雨雪冰冻灾害对广东杨东山十二度水保护区常绿与落叶混交林凋落物的影响

作  者：
骆土寿;张国平;吴仲民;翁启杰;罗鑫华;张娜;肖以华;曾繁助;王旭;余伟盛;赵霞
单  位：
广东杨东山十二度水省级自然保护区;中国林业科学研究院热带林业研究所;广东大瑶山省级自然保护区
关键词：
雨雪冰冻灾害;受害程度;森林凋落物;非正常凋落物;南岭;杨东山十二度水自然保护区
摘  要：
根据2008年初雨雪冰冻灾害对广东杨东山十二度水省级自然保护区不同海拔高度常绿与落叶阔叶混交林的受害样地调查资料,对森林的受害程度及凋落物现存量进行研究,结果表明:森林受害程度与海拔高度成正比,在海拔700～1000m范围内的植被严重受害,灾害产生的非正常凋落物量13.96～19.59t·hm-2,林地凋落物现存量在23.39～29.97t·hm-2,远高于年凋落量,产生严重次生灾害隐患,必须制定适宜的林地卫生清理、促进更新措施和恢复措施,以求尽快恢复森林资源及生态环境。
译  名：
Effects of the Frozen Rain and Snow Disaster to the Litterfall of Evergreen and Deciduous Broadleaved Mixed Forest in Yangdongshan Shierdushui Nature Reserve of Guangdong
作  者：
Luo Tushou1 Zhang Guoping2 Wu Zhongmin1 Weng Qijie1 Luo Xinhua2 Zhang Na1 Xiao Yihua1Zeng Fanzhu3 Wang Xu1 Yu Weisheng3 Zhao Xia1(1.Research Institute of Tropical Forest,CAF Guangzhou 510520;2.Yangdongshan Shierdushui Natural Reserve in Guangdong Lechang 512200;3.Dayaoshan Natural Reserve in Guangdong Lechang 512200)
关键词：
frozen rain and snow disaster;harm degree;forest litterfall;abnormal litterfall;Nanling Mountain;Yangdongshan Shierdushui Nature Reserve
摘  要：
Based on the survey data of the evergreen and deciduous broadleaved mixed forest damaged by the frozen rain and snow at the plots in Yangdongshan Shierdushui Nature Reserve,Guangdong Province in early 2008.The forest damage degree and the existing falling biomass at different altitudes were investigated.The result showed that,the damage degree of the forest was directly proportional to the altitude.From 700 to 1 000 m of altitude,the vegetation damage was serious,and the abnormal litterfall was 13.96～19.59 t·hm-2,and the total existing litterfall was 23.39～29.97 t·hm-2,which was much higher than that of the usual annual amount.The disaster might also cause further potential dangers of secondary disasters.It was necessary to take appropriate health clearance of woodland,and other measures to promote renew and rehabilitation,for quickly restoring forest resources and the ecological environment.

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