Succession and Nutrient Cycling Flashcards Preview

GG1002: The Biosphere et al. > Succession and Nutrient Cycling > Flashcards

Flashcards in Succession and Nutrient Cycling Deck (10)
Loading flashcards...
1
Q

jackson and Jackson (2008)

A

The change over time of a community until it has reached its stable climax community

2
Q

Thomas (2008)

A

Secondary succession takes place after a disturbance - can be natural or human

3
Q

Clements (1916)

A

Climax community can be reached

4
Q

Tansley (1920)

A

Mosaic of polyclimax communities, reflecting local environmental factors

5
Q

Gleason (1917)

A

No final stable, characteristic assemblage ever reached

6
Q

Whittaker (1953)

A

Gradual changes in response to the environment meaning stable can be reached for those conditions

7
Q

Wigley (2000)

A

Interest in carbon cycle has increased since observed rises of atmospheric CO2 from 1957 to 1993

8
Q

WIGLEY (2000) GRAPH

A

Wigggggley line goes up

1958-1994years

310-360ppm

9
Q

Schimel (2000)

A

Carbon cycle is crucial to maintaining life

fixed cycle so carbon must be stored

10
Q

Holden (2012)

A

all cycles are important to ensuring existence of ecosystems and their communities