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Published byUlysses Twist Modified over 10 years ago
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Wave exposure Poland habitat mapping Oslo Workshop 2007-05-29 Martin Isæus 08-16 10 11 martin.isaeus@aquabiota.se
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Effekter på biotan Direct effects Pressure and drag forces Water movements, whip-lash etc Indirect effects Sorting of sediments, erosion Correlations with secchi-depth and salinity
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Example from Askö
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SweExp NorExp FinExp BaltExp? ThaiExp?
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SweExp Bohuslän Preliminär klassning
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Detalj Väderöarna
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Sites for Biological exposure index
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BioEx R2 = 39.6 STWAVE R2 = 36.2 SWM R2 = 55.2 FWM R2 = 48.9
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High energy Moderate energy Low energy Sheltered Very sheltered Extremely sheltered Ultra sheltered Exposed Extremely exposed Moderately exposed Very exposed
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Used for preliminary exposure classes
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List of A1 species
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Field stations Opstad 1981 Lein et al 1998 Klavestad 1954 Iversen 1981 A1 n = 233 A3 n = 126
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Examples on species distributions in relation to wave exposure
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