Landscape Ecology and Ecosystem Management Flashcards

1
Q

Landscape ecology

A

the science of studying and improving relationships between ecological processes in the environment and ecosystem

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2
Q

GIS

A

Geographic information systems

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3
Q

What does GIS provide?

A

allow storage, analysis, and display of spacial data
an be put together to show patterns and answer specific questions

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4
Q

GAP

A

Gap Analysis Program

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5
Q

What does GAP do

A

identify species of concern that are not adequately represented on existing conservation lands

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6
Q

GPS

A

Global positioning systems

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7
Q

What is GPS

A

allows ecologists to document precise locations of species and other variables

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8
Q

Landscape

A

an area in which at least one element is spatially heterogenous, often includes multiple ecosystems

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9
Q

mosaic

A

composite of heterogenous elements

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10
Q

Landscape structure

A

Physical configuration of landscape elements

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11
Q

What is landscape structure characterized by?

A

Size of patches
whether patches are aggregated or dispersed
complexity of patch shape
degree of fragmentation

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12
Q

What does habitat loss and fragmentation decrease?

A

habitat area, isolates populations, and alters conditions at habitat edge

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13
Q

edge effects

A

biotic and abiotic changes associated with this boundary

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14
Q

Abiotic edge effects

A

higher temperatures and diurnal extremes, higher wind speeds, and more light penetration

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15
Q

Biotic edge effects

A

higher rates of decomposition, more wind thrown trees and woody debris, and differential tree seedling survival

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16
Q

What animal type is most commonly seen in the edge of parks

A

invasive species

17
Q

Buffer zones

A

areas with less stringent controls on land use but still provide habitat for many species

18
Q

Habitat corridors

A

linear patches that connect blocks of habitat