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Figure 52.0 Monarch butterflies
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Figure 52.0x Monarch butterfly migration
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Figure 52.1 Aerial census for African buffalo (Syncerus caffer) in the Serengeti of East Africa
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Figure 52.2 Patterns of dispersion within a population’s geographic range
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Figure 52.2ax2 Clumped dispersion: buffalo, swans, fish, lupine
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Table 52.1 Life Table for Belding Ground Squirrels (Spermophilus beldini) at Tioga Pass, in the Sierra Nevada Mountains of California
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Table 52.2 Reproductive Table for Belding Ground Squirrels (Spermophilus beldingi) at Tioga Pass, in the Sierra Nevada Mountains of California
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Figure 52.3 Idealized survivorship curves
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Figure 52.4 An example of big-bang reproduction: Agave (century plant)
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Figure 52.5 Cost of reproduction in female red deer on the island of Rhum, in Scotland
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Figure 52.6 Probability of survival over the following year for European kestrels after raising a modified brood
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Figure 52.7 Variation in seed crop size in plants: Dandelion and coconut palm
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Figure 52.8 Population growth predicted by the exponential model
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Figure 52.9 Example of exponential population growth in nature
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Figure 52.10 Reduction of population growth rate with increasing population size (N)
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Table 52.3 A Hypothetical Example of Logistic Population Growth, Where K=1,000 and r max =0.05 per Individual per Year
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Figure 52.11 Population growth predicted by the logistic model
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Figure 52.12 How well do these populations fit the logistic population growth model?
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Figure 52.13 Graphic model showing how equilibrium may be determined for population density
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Figure 52.14 Decreased fecundity at high population densities
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Figure 52.15 Decreased survivorship at high population densities
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Figure 52.16 Decline in the breeding population of the northern pintail (Anas actua) from 1955 to 1998
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Figure 52.17 Long-term study of the moose (Alces alces) population of Isle Royale, Michigan
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Figure 52.18 Extreme population fluctuations
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Figure 52.19 Population cycles in the snowshoe hare and lynx
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Figure 52.20 Human population growth
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Figure 52.21 Demographic transition in Sweden and Mexico, 1750-1997
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Figure 52.22 Age-structure pyramids for the human population of Kenya (growing at 2.1% per year), the United States (growing at 0.6% per year), and Italy (zero growth) for 1995
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Figure 52.23 Ecological footprint in relation to available ecological capacity
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