Ecological Status Report: results from the CPR Survey 2004/2005.

Edwards, M; Johns, DG; Licandro, P; John, AWG; Stevens, DP. 2006 Ecological Status Report: results from the CPR Survey 2004/2005.. SAHFOS. (UNSPECIFIED)

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Abstract/Summary

Using a number of ecological indices, this report summarises unusual species found, large phytoplankton blooms, changes in community structure and trends in hydrobiological indicators from regions in the North Atlantic (with an emphasis on the North Sea). In the majority of cases the term unuasual or large in referring to phytoplankton blooms refers to population increases greater than four standard deviations above the species recorded baseline mean (baseline mean: 1980-2003). Notable blooms that are geographically lareg refer to patch sizes greater then 100 km in diameter. The primary regional assessment area used to monitor changes in community structure, biomass and phenological changes is the central North Sea. Most data analysis has been performed to highlight the year 2004 in relation to the long-term dataset. 2005 sample data is presented but has not yet undergone quality checks. Annual abundance estimates were calculated for each CPR box when eight or more months were sampled, no annual estimate of abundance was calculated. Sea surface temperature was used as an indicator of ocean climate and climate change.

Item Type: Publication - Report (UNSPECIFIED)
Additional Keywords: Plankton Plankton collecting devices Plankton surveys Long-term records Climatic changes Algal blooms Community composition Biomass Indicator species
Subjects: Ecology and Environment
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Divisions: Sir Alister Hardy Foundation for Ocean Science > Other (SAHFOS)
Depositing User: EPServices Admin
Date made live: 20 Feb 2007
Last Modified: 06 Jun 2017 16:00
URI: http://plymsea.ac.uk/id/eprint/1903

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