Lecture 3: Biodiversity - From Tropics to Tundra Flashcards

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1
Q

Biome

A

a zone of Earth determined by large scale climatic and vegetation characteristics.

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2
Q

Ecosystem

A

an interacting community of living (biotic) and nonliving (abiotic) things.

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3
Q

Habitat

A

the environment in which an organism lives.

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4
Q

Increasing diversity nearer to the tropics may be a result of…

A

more land area in the tropics
higher evolutionary rates in the tropics
climate stability and suitability
mid-domain effet

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5
Q

Geographic Information Systems (GIS)

A

analysis of biogeographic data by combining several data types (LiDAR, field surveys) and sources ( IUCN, NatureServe, USGS).
Useful for mapping ranges and connectivity, habitat suitability, population status, threats, etc.

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6
Q

Satellite Remote Sensing

A

viewing, processing, and analyzing imagery from satellites, aerial photos, LIDAR, etc.
useful for mapping and monitoring land cover, land use, and change over time.

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7
Q

Irreplaceability

A

incorporates species richness and other factors, with a focus on endemic species.

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8
Q

Endemic Species

A

those found in a specific geographic area and nowhere else.

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9
Q

Vulnerability

A

reflects the degree of threat, including factors such as habitat loss and protected area coverage.

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10
Q

Proactive

A

creating/controlling a situation by causing something to happen rather than responding to it after it has happened.

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11
Q

Reactive

A

acting in response to a situation rather than creating/controlling it.

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