Allogenic succession
Encyclopedia
In ecology
, allogenic succession is succession
driven by the abiotic components of an ecosystem
. In contrast, autogenic succession
is driven by the biotic component
s of the ecosystem. An allogenic succession can be brought about in a number of ways which can include:
Ecology
Ecology is the scientific study of the relations that living organisms have with respect to each other and their natural environment. Variables of interest to ecologists include the composition, distribution, amount , number, and changing states of organisms within and among ecosystems...
, allogenic succession is succession
Ecological succession
Ecological succession, is the phenomenon or process by which a community progressively transforms itself until a stable community is formed. It is a fundamental concept in ecology, and refers to more or less predictable and orderly changes in the composition or structure of an ecological community...
driven by the abiotic components of an ecosystem
Ecosystem
An ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving , physical components of the environment with which the organisms interact, such as air, soil, water and sunlight....
. In contrast, autogenic succession
Autogenic succession
In ecology, autogenic succession is succession driven by the biotic components of an ecosystem. In contrast, allogenic succession is driven by the abiotic components of the ecosystem.- How it occurs :...
is driven by the biotic component
Biotic component
Biotic components are the living things that shape an ecosystem. A biotic factor is any living component that affects another organism, including animals that consume the organism in question, and the living food that the organism consumes. Each biotic factor needs energy to do work and food for...
s of the ecosystem. An allogenic succession can be brought about in a number of ways which can include:
- Volcanic eruptionsVolcanic EruptionsVolcanic Eruptions is a company owned by Crispin Glover. The company produces and issues Glover's work: It has released two films to date, What Is It? and its sequel, It is Fine! EVERYTHING IS FINE . Its current plans include releasing the final film in the trilogy titled It Is Mine...
- GrazingGrazingGrazing generally describes a type of feeding, in which a herbivore feeds on plants , and also on other multicellular autotrophs...
animals - Human interference
- Flooding
- Non-anthropogenic climate changeClimate changeClimate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years. It may be a change in average weather conditions or the distribution of events around that average...