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Changement climatique - CNRS

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Phenofit<br />

Comparaison de prédictions de PHENOFIT et d’un modèle<br />

de niche<br />

Morin & Thuiller Ecology 2009<br />

Log(%Extinctions)<br />

A2<br />

B2<br />

Same trend but…<br />

•1) quantitative difference<br />

= greater variation in NB model<br />

•2) qualitative difference<br />

= not nested predictions<br />

%Extinctions<br />

Scenarios<br />

A2<br />

B2<br />

n=16<br />

1<br />

Niche-based<br />

Phenofit<br />

34 %<br />

22 %<br />

31 %<br />

19 %<br />

Niche-based model<br />

A2<br />

B2<br />

2<br />

%Extinctions NB model also predicted by Phenofit<br />

%Extinctions Phenofit also predicted by NB model<br />

26 %<br />

62 %<br />

15 %<br />

45 %

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