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- Title
Recolonization of Intertidal Infauna in Relation to Organic Deposition at an Oyster Farm in Atlantic Canada—A Field Experiment.
- Authors
Lin Lu; Grant, Jon
- Abstract
A field experiment was carried out to investigate the patterns of macrobenthic recolonization and to determine the effects of biodeposition on benthic communities at an intertidal oyster culture site in New Brunswick, Canada. Total organic deposition in azoic organic-free sediment trays was generally higher within the farm compared to reference sites. Two weeks after deployment of trays, total organic content had reached 1.1%. The abundance, species number, and diversity of the macrobenthic community were positively correlated with the total organic content in the experimental trays, but the correlations between community parameters and organic content were negative in the ambient sediment. The results suggest that organic matter in sediment may have positive effects on macrobenthic infauna at low levels as an additional food source but may be harmful to benthic animals at high levels. This study also indicates that location in the intertidal zone is a major parameter affecting the community structure of macrobenthic colonization.
- Subjects
OYSTERS; RECOLONIZATION of fishes; INTERTIDAL animals; SEDIMENTATION &; deposition; GROUNDFISHES
- Publication
Estuaries & Coasts, 2008, Vol 31, Issue 4, p767
- ISSN
1559-2723
- Publication type
Article
- DOI
10.1007/s12237-008-9059-2