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The suitability of a single intertidal fish trap for the assessment of long-term trends in fish and epibenthic invertebrate populations
van der Meer, J.; Witte, J. IJ.; van der Veer, H.W. (1995). The suitability of a single intertidal fish trap for the assessment of long-term trends in fish and epibenthic invertebrate populations. Environ. Monit. Assess. 36(2): 139-148
In: Environmental Monitoring and Assessment. Kluwer: Dordrecht. ISSN 0167-6369; e-ISSN 1573-2959, more
Peer reviewed article  
Available in  Authors 
Document type: Project report
Keyword
    Marine/Coastal
Authors  Top 
  • van der Meer, J., more
  • Witte, J. IJ.
  • van der Veer, H.W.
Abstract
    The suitability of a single intertidal fish trap for the assessment of long term trends in fish and epibenthic invertebrate populations relies upon the assumption of an on average constant sampling fraction from the study population. This assumption was examined by comparing trends over years in five different traps within the study area. For some species, like cod, the traps showed more or less parallel fluctuations. This is in agreement with the assumption. However, for other species, like mackerel, the assumption was invalidated by distinct trends over years.
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