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Population Characteristics Take a guess: what are some reasons why a wildlife population might increase or decrease in size? Discuss at your table and see if you can come up with a couple reasons.

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Wildlife Biology Population Characteristics Wildlife populations are dynamic Populations increase and decrease in numbers due to a variety of factors Population Characteristics Take a guess: what are some reasons why a wildlife population might increase or decrease in size? Discuss at your table and see if you can come up with a couple reasons. Population Characteristics There are three important characteristics that determine wildlife populations Geographic distribution (where are they located?) Density (how many are packed into an area?) Growth rate births, deaths, immigration, emigration Population Characteristics Geographic distribution: Which deer have better distribution? Why? Population Characteristics Density: If you were a wolf pack, which location might be better for your pack? Why? A B Population Characteristics Growth rate: good or bad? Population Characteristics Growth rate: good or bad? Population Characteristics Growth rate: good or bad? Population Characteristics Growth rate: good or bad? Population Characteristics There are several limits to population growth Populations are kept in control by resources they need to survive and predators Limiting factors resources like food, water, shelter Predators animals that prey on the species Human influence what do we do to help or hurt?


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