FACTORS CONTROLLING SEDIMENT COMMUNITY RESPIRATION IN WOODLAND STREAM ECOSYSTEMS

被引：85

作者：

HEDIN, LO

机构：

来源：

OIKOS | 1990年 / 57卷 / 01期

关键词：

D O I：

10.2307/3565742

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

In situ rates of community respiration were measured in sediments from shaded woodland streams at the Hubbard Brook Experimental Forest. Rates of sediment community respiration (26-340 mg C.m-2.d) were closely correlated with amounts of sediment organic matter, but not with water column DOC or sediment size structure. Community respiration was elevated in sediments of organic debris dams, suggesting that organic debris dams are focal sites of metabolism and nutrient regeneration in the stream channel. -from Author

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页码：94 / 105

页数：12

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