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Populations et communautés Analyses multivariées des ... - Ecobio

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<strong>Populations</strong> <strong>et</strong> <strong>communautés</strong> : <strong>Analyses</strong> <strong>multivariées</strong> de données spatialisées<br />

Combinaison <strong>des</strong> variables environnementales <strong>et</strong> spatiales<br />

Etude <strong>des</strong> <strong>communautés</strong> de poissons <strong>des</strong> coraux<br />

Mer <strong>des</strong> Caraïbes<br />

Variation in<br />

fish presence-absence<br />

=<br />

Habitat<br />

classes<br />

= 15.2%<br />

10.8%<br />

Residuals = 77.6%<br />

2.1%<br />

1.7%<br />

1.1%<br />

Depth = 3.9%<br />

Geographic gradients<br />

(Caribbean arch and<br />

latitude) = 8.4%<br />

5.9%<br />

0.6%<br />

0.1%

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