Ecology Test 1 Chp 25

Front 1

landscape

Back 1

large area consisting of a mosaic of diverse habitats

Front 2

landscape ecology

Back 2

study of comp. of landscapes and spatial arrangements of habitats within them and how patterns influence indiv. pop, comm, and ecosystem at diff spatial scales

Front 3

legacy effects

Back 3

long lasting influence of historical processes modern day ecosystem

Front 4

ecosystem engineers

Back 4

animals whose activities have disproportionally large effect on landscape

Front 5

remote sensing

Back 5

collection of geographic info from distance, with image taken from plane or satelite

Front 6

GPS

Back 6

array of satellites placed in orbits around earth send out signal picked up by recievers to cal long, lat, and altitude

Front 7

GIS

Back 7

graphic infor system- computer program allows researchers to compile divers sets geographic info and to quantify charac. of land scape

Front 8

Habitat fragmentations 5 effects

Back 8

1) total amt habitat decreases
2)#habitat patches increase
3)amount edge habitat increases
4)average patch size decreases
5)patch isolation increases

Front 9

edge specialist

Back 9

species specialized for livingin ecotones

Front 10

corridors

Back 10

narrow strip of habitat that facilitates movement of organism between adjacent habitat fragments

Front 11

stepping stones

Back 11

small intervening patches within a habitat matrix where organisms moving between patches of favorable habitat can stop to rest or forage

Front 12

landscape context

Back 12

quality and spatial arrangement of habitat types in a habitat matrix

Front 13

edge context

Back 13

qualities of habitat matrix adjoining a habitat patch that affect probability of an organism leaving that patch

Front 14

grain

Back 14

degree of resolution at which a landscape is viewed

Front 15

extent

Back 15

size of landscape area of interest