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广西英罗湾红海榄群落凋落物研究
尹毅; 林鹏;   
1.厦门大学生物学系;2.厦门大学生物学系 厦门 361005 广西师范大学生物系工作;3.桂林541004;4.厦门 361005
摘要:
本文主要研究广西合浦山口英罗湾红树林保护区红海榄群落的凋落物,结果表明:(1)红海榄群落1989年凋落物量为631.26 g/m2,其中落叶561.50 g/m2,说明落叶在红海榄群落物质归还中起着关键性作用。(2)年凋落物中各组分占总量的比例分别为叶88.95%、花3.68%、果(含胚轴)3.0%和枝4.26%。(3)月凋落物量(Y1,g/m2)与月平均气温(X1,℃)呈线性正相关,其回归公式为Y1=3.071 x1-16.804(r=0.77,df=14),相关极显著;月凋落物量(Y1)与月降水量(X2,mm)的回归公式为Y1=0.116 x2+34.381(r=0.62,df=14),相关极显著。高温高湿季节的凋落物量明显高于低温干燥季节的凋落物量。
关键词:  广西  红树林  红海榄  凋落物  
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