Tropical Forest Community Ecology

(Grace) #1
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Biome: North American BorealTree species:

61

Biome: Eurasian BorealTree species:


100

Biome: N. Am. W. TemperateTree species:

115

Biome: N. Am. E. TemperateTree species:

300

Biome: S. Am. TemperateTree species:

84

55 Ma 30 Ma 12 Ma Present

Biome: European TemperateTree species:

124

Biome: E. Asian TemperateTree species:

729

Biome: Australian TemperateTree species:

310

Biome: NeotropicsTree species:

22,500

Biome: African tropicsTree species:

6500

Biome: Asian TropicsTree species:

14,000

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Figure 3.2

At center is a map showing the modern extent of the 11

biomes included in the analysis. Surrounding the globe are the

estimates for extant tree

species richness and composite area–time measures

for each biome. The area of each area–time plot was quantified,

log-transformed and then correlated with log

tree diversity to test for the time-integrated species–area effect.
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