Spatial and temporal variability in Scotian Shelf zooplankton communities

Johnson, CL; Head, EHJ. 2007 Spatial and temporal variability in Scotian Shelf zooplankton communities. UNSPECIFIED.

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Abstract/Summary

Zooplankton are indicators of the response of marine ecosystems to environmental variability. The relationships between zooplankton communities on the Scotian Shelf and hydrographic and geographic regions of the Scotian Shelf in the 1990s and 2000s were described using complementary data sets, each resolving different space and time scales. The Atlantic Zone Monitoring Program (AZMP) sampled Scotian Shelf zooplankton from the whole water column twice per year at stations along three cross-shelf transects and semi-monthly at a fixed station on the inshore central shelf, while Continuous Plankton Recorder (CPR) samples were collected from near-surface waters approximately monthly on an along-shelf transect. Variability patterns were compared among these three data sets to identify robust spatial and interannual trends. Stations were clustered based on taxonomic composition, and spatial clusters were compared to hydrographic boundaries and bathymetry to determine whether temporal changes in community composition were driven by changes in water mass distributions on the shelf. This project identifies zooplankton community and abundance shifts that may affect fish recruitment in the northwest Atlantic and contributes to development of ecosystem-based fisheries management on the Scotian Shelf.

Item Type: Publication - Book
Additional Information. Not used in RCUK Gateway to Research.: Human and Climate Forcing of Zooplankton Populations. p. 58. 2007. 4. Int. Zooplankton Production Symp., Hiroshima (Japan), 28 May-1 Jun 2007 Book Monograph; Conference; Summary
Additional Keywords: Article Subject Terms: Indexing in process
Depositing User: Miss Gemma Brice
Date made live: 26 Mar 2014 14:09
Last Modified: 06 Mar 2017 17:57
URI: http://plymsea.ac.uk/id/eprint/5788

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