connifere Flashcards

1
Q

facteur physique distribtuion vegetaux

A

climat
sol
géologie
relief
changement climatique

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2
Q

facteur climatique distribution forestiere

A

precipitation
température

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3
Q

type de climat

A

toundra
subarcticque
continental humide

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4
Q

lapoc

A

erabliere bouleaux jaune
sapiniere bouleaux jaune
erabliere a tileuls

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5
Q

grdiant thermique

A

latitude
altitude

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6
Q

periode de dormance

A

ralentissement arrete de croissance
duré determiné par laccumulation temps froid 60 a 90 jours

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7
Q

temperature optimal photosynthese

A

15 a 25
epinette meleze 5 c

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8
Q

precipitation et adaptation

A

plus d evaporation
hiver temps froid
feuille en aiguillie

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9
Q

epinette noir

A

sec
sablonneux
feux de foret

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10
Q

bouclier canadien

A

roche dur acide
peu sediment
pierreux

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11
Q

basse terre

A

plein nutriment
roche sedimentaire ancienne mer calcaire

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12
Q

appalache

A

sol moins dure et acide
sol complexe limon

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13
Q

ph

A

moins acide connifere
plus acide feuillus

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14
Q

symbiose mychorize

A

mycorize et mycelium partage
sel mineraux eaux sucre

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15
Q

interaction vegetaux champignon

A

sol
nutriment
adaptation stress hydrique

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16
Q

relief pentus drainage

A

chene blanc
pin gris
hetre a grande feuille
sec

meleze laricin
frene noir frene rouge

17
Q

hemisphere nord

A

plus grand rayonnement solaire
sol chaud
plus sec
influence floraison et bourgeon

18
Q

température au fond d’une vallée soit plus basse consequence

A

gelé tardive
nefastepour espece