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Wave exposure Poland habitat mapping Oslo Workshop 2007-05-29. Martin Isæus 08-16 10 11 martin.isaeus @aquabiota.se. Effekter på biotan. Direct effects Pressure and drag forces Water movements, whip-lash etc Indirect effects Sorting of sediments, erosion
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Wave exposure Poland habitat mapping Oslo Workshop2007-05-29 Martin Isæus 08-16 10 11 martin.isaeus@aquabiota.se
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
SweExp NorExp FinExp BaltExp? ThaiExp?
SweExp Bohuslän Preliminär klassning
BioEx R2 = 39.6 SWM R2 = 55.2 FWM R2 = 48.9 STWAVE R2 = 36.2
Extremely exposed High energy Very exposed Exposed Moderate energy Moderately exposed Sheltered Very sheltered Low energy Extremely sheltered Ultra sheltered
Field stations A1 n = 233 A3 n = 126 Opstad 1981 Lein et al 1998 Iversen 1981 Klavestad 1954
Examples on species distributions in relation to wave exposure