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Connell and Slatyer chose to focus on autogenic succession, which occurs on newly exposed landforms and is initiated by changes from within the community rather than a geophysical transformation. [2] They targeted plant and immobile aquatic organisms that demanded the greatest surface area within an environment and could modify the physical ...
One example of primary succession takes place after a volcano has erupted. The lava flows into the ocean and hardens into new land. The resulting barren land is first colonized by pioneer organisms, like algae, which pave the way for later, less hardy plants, such as hardwood trees, by facilitating pedogenesis, especially through the biotic acceleration of weathering and the addition of ...
Ecological succession is driven by feedbacks between plants and their environment. [25] As plants grow following a disturbance, they change their environment, for example by creating shade, attracting seed dispersers, contributing organic matter to the soil, changing the availability of soil nutrients, creating microhabitats, and buffering ...
An image of ecological succession, starting with pioneer species and ending with an old-growth forest that is dominated by climax species, which is denoted by VIII. Climax species, also called late seral , late-successional , K-selected or equilibrium species, are plant species that can germinate and grow with limited resources; e.g., they need ...
Secondary succession is the secondary ecological succession of a plant's life. As opposed to the first, primary succession, secondary succession is a process started by an event (e.g. forest fire, harvesting, hurricane, etc.) that reduces an already established ecosystem (e.g. a forest or a wheat field) to a smaller population of species, and as such secondary succession occurs on preexisting ...
[2] [3] [4] Second, interspecific competition results in one species driving a competitor to extinction and becoming dominant in the ecosystem. [2] [3] [4] Third, moderate ecological scale disturbances prevent interspecific competition. [2] [3] [4] The hypothesis is ambiguous with its definitions of the terms "intermediate" and "disturbance".
A seral community is an intermediate stage found in ecological succession in an ecosystem advancing towards its climax community. In many cases more than one seral stage evolves until climax conditions are attained. [1] A prisere is a collection of seres making up the development of an area from non-vegetated surfaces to a climax community.
Autogenic succession refers to ecological succession driven by biotic factors within an ecosystem and although the mechanisms of autogenic succession have long been debated, the role of living things in shaping the progression of succession was realized early on. [1] [2] [3] Presently, there is more of a consensus that the mechanisms of ...