Wave exposure poland habitat mapping oslo workshop 2007 05 29
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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 Workshop 2007-05-29

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Wave exposure poland habitat mapping oslo workshop 2007 05 29

Wave exposure Poland habitat mapping Oslo Workshop2007-05-29

Martin Isæus

08-16 10 11

[email protected]


Effekter p biotan

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


Example from ask

Example from Askö


Sweexp

SweExp

NorExp

FinExp

BaltExp?

ThaiExp?


Sweexp bohusl n

SweExp Bohuslän

Preliminär klassning


Wave exposure poland habitat mapping oslo workshop 2007 05 29

Detalj Väderöarna


Detalj v der arna

Detalj Väderöarna


Wave exposure poland habitat mapping oslo workshop 2007 05 29

Sites for Biological exposure index


Wave exposure poland habitat mapping oslo workshop 2007 05 29

BioEx

R2 = 39.6

SWM

R2 = 55.2

FWM

R2 = 48.9

STWAVE

R2 = 36.2


Wave exposure poland habitat mapping oslo workshop 2007 05 29

Extremely exposed

High

energy

Very exposed

Exposed

Moderate

energy

Moderately exposed

Sheltered

Very sheltered

Low

energy

Extremely sheltered

Ultra sheltered


Wave exposure poland habitat mapping oslo workshop 2007 05 29

Used for preliminary exposure classes


List of a1 species

List of A1 species


Field stations

Field stations

A1 n = 233

A3 n = 126

Opstad 1981

Lein et al 1998

Iversen 1981

Klavestad 1954


Wave exposure poland habitat mapping oslo workshop 2007 05 29

Examples on species distributions in relation to wave exposure


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