Ecosystem Succession Paper

University of Phoenix Science 256: People, Science, and the Environment Ecosystem chronological sequence Paper 31Jan05 Ecosystem 2. Succession Succession is a phenomenon of transition in community of interests corporate structure and function which is time related and frequently occurs in a somewhat predictable manner. Primary term, (fig 5-4, pg 87) occurs following formation of a new, yet barren habitat for village. Such a habitat may be formed by vol dealic activity, synthetic rubber activity, or strip-mining; it initially lacks soil. A study of Glacier Bay, AL, showed that following go to bed of the glacier, the ground was first colonized by mosses and lichens, thusly command willows, then alders, then Sitka spruce. After about cc years, a stable spruce-hemlock forest resulted. Secondary epoch, (fig 5-5, pg 88) occurs where an existing community is destroyed (i.e. by fire), but since the soil remains, recolonization is much much rapid than colonization during primary succession. Old field succession is a unattackable example of secondary succession (this is what happens to rude land afterwards farming stops). Once it was thought that succession normally resulted in a stable, diverse community in the climax suppose (this state is often described as the condition whereby the tissue in species interactions becomes so intricate that no additional species can fit into the community unless niches become easy by localised extinction), but now this assumption is not so wide held among ecologists. Succession is related to a issuance of factors including the following: Initial colonizers are often characterized by vertical dispersal mechanisms. Frequently, they are fugitive species, ineffective to compete vigorous in established communities but successful Ecosystem 3. in communities without competitors. Naturally, they must be tolerant of the abiotic factors existing in the area. Growth wander and size at maturity may als o get upon success. Activities of the biot! a themselves may affect the process of succession. Inhibition... If you want to stabilise a full essay, order it on our website: OrderCustomPaper.com

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