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          Institute: MPI für Evolutionsbiologie     Collection: Ecophysiology     Display Documents



  history
ID: 429293.0, MPI für Evolutionsbiologie / Ecophysiology
Grazer diversity effects in an eelgrass-epiphyte-microphytobenthos system
Authors:Jaschinski, Sybill; Aberle, Nicole; Gohse-Reimann, Sandra; Brendelberger, Heinz; Wiltshire, Karen H.; Sommer, Ulrich
Language:English
Date of Publication (YYYY-MM-DD):2009-03
Title of Journal:Oecologia
Volume:159
Issue / Number:3
Start Page:607
End Page:615
Review Status:not specified
Audience:Not Specified
Abstract / Description:The dramatic loss of biodiversity and its consequences for ecosystem processes have been of considerable interest in recent ecological studies. However, the complex and interacting processes influencing diversity effects in multitrophic systems are still poorly understood. We used an experimental eelgrass system to study the effects of changing richness of three consumer species on the biomass, diversity and taxonomic composition of both epiphytic and benthic microalgal assemblages. After 1 week, consumer richness enhanced the grazing impact on epiphyte biomass relative to single consumer treatments and a positive effect of consumer richness on prey diversity was found. Moreover, strong effects of consumer species identity on taxonomic composition were found in both microalgal assemblages. However, the effects of consumer richness were not consistent over time. The consequences of high nutrient availability seemed to have masked consumer richness effects.
Free Keywords:biodiversity; seagrass; mesograzer; zostera marina; species richness
External Publication Status:published
Document Type:Article
Affiliations:MPI für Evolutionsbiologie/Abt. Ökophysiologie
External Affiliations:Leibniz Inst Marine Sci, IFM GEOMAR, D-24105 Kiel, Germany; AWI, D-27483 Helgoland, Germany; Univ Kiel, Inst Zool, D-24098 Kiel, Germany
Identifiers:ISSN:0029-8549 (print) [ID-No:1]
ISSN:1432-1939 (online) [ID-No:2]
DOI:10.1007/s00442-008-1236-2 [ID-No:3]
LOCALID:2683/S 38979 [Listen-Nummer/S-Nummer]
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