population dynamics Flashcards

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1
Q

what is population

A

a group of organisms living in a certain area

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2
Q

density def

A

number of individuals in a given area

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3
Q

measuring population

A

size density biomass and composition

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4
Q

r selection

A

reproduce and colonies quick
rapid increase and decline

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5
Q

carrying capacity

A

max population that can be supported

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6
Q

k selection

A

controlled slower growth need constant predictable conditions

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7
Q

composition def

A

the amount of measurable characteristics in a population/environment

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8
Q

distribution types

A

clumped: groups of individuals
uniform: individuals evenly spaced
random: irregular spacing

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9
Q

density equation

A

total individuals/ (area x number of quadrants)

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10
Q

population growth equations

A

(br - im) - (dr - em)

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11
Q

arial photography

A

drone takes photos to directly observe

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12
Q

quadrants

A

fame used to mark an area to sample non moving organisms

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13
Q

transects

A

a line through an area to determine changes in community composition

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14
Q

radio tracking

A

determining info from signals from devices attached to animals

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15
Q

gps

A

tracking animals via a satalite

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16
Q

biological population control

A

a biological agent is used to control a population
general and specialised predators
parasites and microbial diseases

17
Q

chemical population control

A

the use of pesticides and other chemicals to control populations

18
Q

culling

A

removing and killing organisms to control their population

19
Q

reintroduced populations

A

breeding organisms in captivity to reintroduce into the environment

20
Q
A