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当前位置: 首页 > 文章 > 广州南沙人工红树林凋落物组成与季节变化的研究 华南农业大学学报 2011,32 (4) 119-121
Position: Home > Articles > Composition and Seasonal Changes of Litter in an Artificial Mangrove in Nansha,Guangzhou Journal of South China Agricultural University 2011,32 (4) 119-121

广州南沙人工红树林凋落物组成与季节变化的研究

作  者：
朱可峰;廖宝文;章家恩
单  位：
中国林业科学研究院热带林业研究所;华南农业大学农学院
关键词：
红树林;凋落物;无瓣海桑;海桑;广州南沙
摘  要：
全年收集广州南沙湿地游览区人工红树林中的6龄无瓣海桑Sonneratia apetala、4龄无瓣海桑和6龄海桑S.caseolaris 3种林分的凋落物,并对凋落物量作全年变化分析,结果表明:3种林分凋落物总生物量呈现单峰的季节变化,峰值出现在8—9月,在12月至次年2月达到较低值.3种林分凋落物总生物量大小依次为6龄无瓣海桑(1 519.30 g.m-2.年-1)>6龄海桑(1 446.94 g.m-2.年-1)>4龄无瓣海桑(1 323.45 g.m-2.年-1).其中,叶、枝、花和果的凋落物生物量组成比例不一,但均以叶为主要组分,其比例超过60%;均以花所占总凋落物生物量的比例最小.
译  名：
Composition and Seasonal Changes of Litter in an Artificial Mangrove in Nansha,Guangzhou
作  者：
ZHU Ke-feng1,2,LIAO Bao-wen1,ZHANG Jia-en2(1 The Research Institute of Tropical Forestry,Chinese Academy of Forestry,Guangzhou 510520,China; 2 College of Agriculture,South China Agricultural University,Guangzhou 510642,China)
关键词：
mangrove;litter;Sonneratia apetala;Sonneratia caseolaris;Nansha of Guangzhou city
摘  要：
Litters from 3 stands of mangrove,i.e.,6-year-old Sonneratia apetala,4-year-old S.apetala,and 6-year-old S.caseolaris,were collected in the area of Nansha Wetland of Guangzhou.An analysis of annual variation in litter production showed that the total litter of the stands exhibited a seasonal change with a single peak.The highest peak appeared during August and September,and shifted to a lower level between December and February.The total litter production of the three mangrove stands was in the order of 6-year-old S.apetala(1 519.30 g · m-2 · year-1) > 6-year-old S.caseolaris(1 446.94 g · m-2 · year-1)>4-year-old S.apetala(1 323.45 g · m-2 · year-1).Although the amounts of leaf,branch,flower and fruit in composition were different,the leaf was the main component and its proportion exceeded 60% among them.The flower proportion of the total litter production was the lowest.

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