Changes in the trophic structure of benthic macroinvertebrate communities associated with food availability and stream flow variations

被引：25

作者：

Basaguren, A

Elosegui, A

Pozo, J

机构：

[1] Laboratorio de Ecología, Departamento de Biología Vegetal Y Ecología, UPV/EHU, 48080, Bilbao

来源：

INTERNATIONALE REVUE DER GESAMTEN HYDROBIOLOGIE | 1996年 / 81卷 / 01期

关键词：

macroinvertebrates; functional groups; food availability; flow; stream; Spain;

D O I：

10.1002/iroh.19960810109

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Macroinvertebrate communities were studied in relation to food (particulate organic matter and periphyton) availability and hydrologic regime in two reaches (autotrophic and heterotrophic) of the Aguera stream (Northern Spain). The structure of macroinvertebrate community reflected the trophic characteristics (main food sources) at each site. From a temporal point of view both food availability and hydrologic regime seem to be the main factors that determine the dynamics and structure of the community. In the autotrophic reach, shredder density showed significant relationship with CPOM, and scrapers with periphyton both in terms of density and biomass.

引用

页码：79 / 91

页数：13

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