Page 324 - Environment: The Science Behind the Stories

Footprints and biocapacities in hectares per person Kenya Tanzania United States Canada
Footprint from grazing land 0.27 0.36 0.19 0.42
Footprint from forest land 0.28 0.24 0.86 0.74
Total ecological footprint 0.95 1.19 7.19 6.43
Percent footprint from grazing and forest 58
Biocapacity of grazing land 0.27 0.39 0.26 0.23
Biocapacity of forest land 0.02 0.13 1.56 8.27
Total biocapacity 0.53 1.02 3.86 14.92
Percent biocapacity from grazing and forest 57
Data from WWF, 2012. Living Planet Report 2012. WWF International, Gland, Switzerland.

1. In which nations is grazing land being used sustainably? 3. The Living Planet Index declined 28% since 1970 (p. 301),
In which nations is forest land being used sustainably? but its temperate and tropical components were very dif-
2. Do forest use and grazing comprise a larger part of the ferent. During this period the index for temperate regions
footprint for temperate-zone industrialized nations such increased by 31%, whereas the index for tropical regions
as Canada and the United States, or for tropical-zone declined by 61%. Based on this information, do you pre-
developing nations such as Kenya and Tanzania? What do dict that biodiversity loss has been steepest in Kenya and
you think accounts for this difference between these two Tanzania or in Canada and the United States? Explain
types of nations? What else besides land use of forests your answer.
and grasslands contributes to an ecological footprint?

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