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Wave Exposure Habitat Mapping Workshop in Oslo 29/05/2007 by Martin Isæus

Explore effects of wave exposure on habitats, from direct impacts like pressure and water movements to indirect effects like sediment sorting. See correlations with secchi depth and salinity using Askö, SweExp, and other examples.

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Wave Exposure Habitat Mapping Workshop in Oslo 29/05/2007 by Martin Isæus

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  1. Wave exposure Poland habitat mapping Oslo Workshop2007-05-29 Martin Isæus 08-16 10 11 martin.isaeus@aquabiota.se

  2. 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

  3. Example from Askö

  4. SweExp NorExp FinExp BaltExp? ThaiExp?

  5. SweExp Bohuslän Preliminär klassning

  6. Detalj Väderöarna

  7. Detalj Väderöarna

  8. Sites for Biological exposure index

  9. BioEx R2 = 39.6 SWM R2 = 55.2 FWM R2 = 48.9 STWAVE R2 = 36.2

  10. Extremely exposed High energy Very exposed Exposed Moderate energy Moderately exposed Sheltered Very sheltered Low energy Extremely sheltered Ultra sheltered

  11. Used for preliminary exposure classes

  12. List of A1 species

  13. Field stations A1 n = 233 A3 n = 126 Opstad 1981 Lein et al 1998 Iversen 1981 Klavestad 1954

  14. Examples on species distributions in relation to wave exposure

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