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Indicator Assessment Marine phenology (CLIM 014) - Assessment published Sep 2008
Temperature increases in the ocean have caused many marine organisms in European seas to appear earlier in their seasonal cycles than in the past. For example, some species have moved forward in their seasonal cycle by 4-6 weeks. Changes in the timing of seasonal cycles have important consequences for the way organisms within an ecosystem interact and ultimately for the structure of marine food-webs at all trophic levels. The consequences include: - increased vulnerability of North Sea cod stocks to over-fishing; - decline in seabird populations. Marine species may be able to adapt genetically to changed conditions. However, with the current pace of climate warming this may be hampered because genetic changes require several reproductive cycles to occur.
Located in Data and maps › Indicators › Marine phenology
EEAFigure Decapod abundance in the central North Sea 1950-2005
Left: year vs
Located in Data and maps › Maps and graphs
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