Lecture 9

Question 1

suburban landscape:

Answer 1

town and country areas with a heterogenous patchy micture of residential areas, commercial centers, cropland, managed vegetation and natural areas

Question 2

is isolation high or low in natural or cultivated?

Answer 2

low in natural and high in cultivated

Question 3

is connectivity high orlow in natural or cultivated?

Answer 3

high in natural and low in cultivated

Question 4

describe and draw fragmentation

Answer 4

landscape divided into smaller remnant patches

Question 5

describe and draw attrition

Answer 5

remnant patches and corridors destroyed

Question 6

describe and draw perforation

Answer 6

disturbance patches created

Question 7

describe and draw dissection:

Answer 7

Landscape divided with corridors

Question 8

fill in what it is for natural and cultivated

Answer 8

Question 9

managed landscapes:

Answer 9

primarily native species and managed and harvested

Question 10

define and draw shrinkage

Answer 10

size of rmnant patches reduced

Question 11

natural landscapes:

Answer 11

lack significant human impact

Question 12

what are 5 specific transformations humans do in the land?

Answer 12

1. dissection 2. perforation 3. Fragmentation 4. Shrinkahe 5. attrition,

Question 13

cultivated landscape

Answer 13

Village and patches of nature or managed ecosystems scattered within the predominantly cultivated landscape

Question 14

is fragmentation high or low in natural or cultivated?

Answer 14

low in natura and high in cultivated

Question 15

fill in whether it is high, moderate or low for each one in natural or cultivated

Answer 15

Question 16

What are 7 trends along the gradient from natural to urban landscapes

Answer 16

1. Change from tight (self-sustaining) system to a syste mostly dependent on energy inputs (non-sustainable)
2. High trophic specieslacking
3. Organisms tend to be aggregated
4. Extinctions tend to increase
5. Landscapes tend to become geometric
6. abrupt, linear ecotones and hard boundaries
7. Altered rhyths or variation

Question 17

what percent of native grassand remain in Saskatchewan?

Answer 17

17%, but the reduction continues…

Question 18

urban landscapes:

Answer 18

primarily residential areas, may have a few patches

Question 19

define ex-urbanization

Answer 19

is a process whereby people move from the city to rural areas but continue to maintain an urban way of life, either through long distance communication and technology.