Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
Succesion
|
the change in numjber and kinds of organisms in an area leading to a stble community
|
|
Pioneer community
|
the first community to develop in a successional equence
|
|
Climax community
|
a community that is the stable end product of succession
|
|
Seral stage
|
any successional community between pioneer and climax community
|
|
Sere
|
the entire sequence of communities in a successional sequence
|
|
Primary succession
|
succession in an area previously unoccupied by a community
|
|
hydrosere
|
sere from aquatic toward mesic terrestrial
|
|
Xerosere
|
sere rom rock substrate toward mesic
|
|
secondary succession
|
succession in an area following destruction of the previous community
|
|
cyclic succession
|
sere that eventually returns to the initial community
|
|
Allogenic factors
|
weathering, sedimentation
|
|
Autogenic factors
|
immigration, growth, reactions, coactions
|
|
Facilitation model
|
(+) - early species make enviroment more suitbale for the later species
|
|
inhibition model
|
(-) - early species make the environment less suittable for the later species
|
|
Tolerance model
|
(0) - no effect; most efficient specialists eventually prevail
|
|
Monoclimax hypothesis
|
the climax is determined by the regional climate
|
|
Polyclimax concept
|
edaphic climax, topographic climax, fire climax
|
|
Climax pattern concept
|
a gernal climax community that changes according to soil, slope and other habitat factors
|
|
Transient climax
|
seasonal pond
|