Population Ecology Winter deer count

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Ecology
oikos ology
study of home
Ernst Haeckel
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Ecology
How organisms interact with each other and their
environment.
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Ecology the social movement
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(No Transcript)
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Individual
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Population
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Community
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Ecosystem
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Population Ecology
Winter deer count
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Community Ecology
Stream survey
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Ecosystem Ecology
Measuring abiotic factors
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Chapter 53 -- Population Ecology
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Populations have range
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Populations can increase their RANGE
Cattle egret
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Populations can be large
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Populations can be small
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Iriomote Wildcat
Inhabits only one small Japanese island
Felis iriomotensis
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Devils Hole pupfish
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Devils Hole pupfish
Cyprinodon diabolis
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Devils Hole, Death Valley
The entire habitat for Cyprinodon daibolis.
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California Condor(Gymnogyps californianus)
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Random Dispersion
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Random Dispersion
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Uniform Dispersion
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Uniform Dispersion
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Clumped Dispersion
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Clumped Dispersion
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Clumped Dispersion
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Demography
Example a survivorship curve
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Life History
and Fitness
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Life History
Salmon spawning migration
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Life History
Salmon spawning migration
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Life History
Salmon spawning
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Life History
the end
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Life History
the pay off
Newly hatched salmon fry
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Life History
Semelparity
Breed once and die
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Semelparous organisms
Agave (century plant)
Reproductive adult plant
Seedling (life history success)
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Life History
Iteroparity
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r and k selected life history strategies
k
k-selected spiny dogfish (Squalus)
r-selected Atlantic cod (Gadus)
r
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r and k selected life history strategies
r-selected dandelion
k
r
k-selected redwood tree
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Population growth
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Fur seal population recovery
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Laboratory Demonstration of Exponential Growth
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Density Dependent Factors
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Density Independent Factors
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Human population growth
An exponential curve, still on the up swing
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Population Structure
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Environmental Footprints