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Changement climatique - CNRS

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Calibration et validation des modèles<br />

pop obs r² pop obs r²<br />

Acer saccharinum 1 26 0.77 Ostrya virginiana 1 18 0.62<br />

Acer rubrum 1 13 0.89 Platanus occidentalis 1 19 0.62<br />

Aesculus glabra 1 11 0.50 Quercus alba 1 13 0.79<br />

Carya glabra 1 19 0.94 Quercus bicolor 1 17 0.93<br />

Carya ovata 1 21 0.93 Quercus macrocarpa 1 19 0.88<br />

Fraxinus nigra 1 16 0.94 Quercus rubra 1 13 0.78<br />

Fraxinus americana 3 19 0.89 Quercus velutina 1 19 0.88<br />

13 0.87 Salix nigra 1 21 0.59<br />

11 0.87 Sassafras albidum 1 21 0.85<br />

Juglans nigra 2 19 0.81 Ulmus americana 2 26 0.72<br />

11 0.94<br />

11 0.66<br />

Validation indépendante<br />

0.64 [0.43-0.80] (n=14 populations)<br />

+<br />

Acer saccharum<br />

Populus tremuloides<br />

Pinus contorta<br />

Pinus monticola<br />

22 espèces<br />

dont 13 espèces ‘chilling sensitive’

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