Urban Ecology 1 Flashcards

1
Q

Why is scale important in Ecology?

A

Not everything is applicable at every scale.

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2
Q

What are the 4 applications of ecology?

A

Ecosystem services, agriculture, biodiversity, and urban planning

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3
Q

What are some ecosystem functions of ecology?

A

Water purification, erosion abatement Air purification, carbon sequestration Pollination, Recreation, fish and wildlife

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4
Q

What corresponds with high biodiversity?

A

High resilience.

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5
Q

What corresponds with high resilience?

A

High biodiversity.

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6
Q

What does competition assume?

A

That resources are in short supply.

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7
Q

What does niche overlap produce?

A

Higher biodiversity.

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8
Q

How does niche overlap produce higher biodiversity?

A

It makes the niche breadth smaller. Competition occurs and pushes the species apart to compete for different kinds of the same resource, causing divergence of species.

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9
Q

What does global stability refer to?

A

There is only one equilibrium point and it conveys high resilience.

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10
Q

What do the bottom and tops of the equilibrium points mean?

A

The top means low stability because if the ball falls in either direction equilibrium will change. Bottom means high resilience because a little move will end up in the same spot.

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11
Q

Why is scale important in Ecology?

A

Not everything is applicable at every scale.

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12
Q

What are the 4 applications of ecology?

A

Ecosystem services, agriculture, biodiversity, and urban planning

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13
Q

What are some ecosystem functions of ecology?

A

Water purification, erosion abatement Air purification, carbon sequestration Pollination, Recreation, fish and wildlife

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14
Q

What corresponds with high biodiversity?

A

High resilience.

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15
Q

What corresponds with high resilience?

A

High biodiversity.

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16
Q

What does competition assume?

A

That resources are in short supply.

17
Q

What does niche overlap produce?

A

Higher biodiversity.

18
Q

How does niche overlap produce higher biodiversity?

A

It makes the niche breadth smaller. Competition occurs and pushes the species apart to compete for different kinds of the same resource, causing divergence of species.

19
Q

What does global stability refer to?

A

There is only one equilibrium point and it conveys high resilience.

20
Q

What do the bottom and tops of the equilibrium points mean?

A

The top means low stability because if the ball falls in either direction equilibrium will change. Bottom means high resilience because a little move will end up in the same spot.

21
Q

What is net primary production?

A

Accumulation of biomass by plants.

22
Q

What is quadrant sampling?

A

laying down PVC pipes in set squares and counting the species inside the square.

23
Q

What is the order of all grasses that are wind pollinated?

A

Graminae.

24
Q

What was shown in the Grassland experiment?

A

The more species the higher the resistance to change is.

25
Q

About how many species of birds are left?

A

~ 9600

26
Q

About how many species of mammals are left?

A

~ 4500