MindMap Gallery Community and its succession mind map
This is a mind map about communities and their succession, biology, including community structure, community spatial structure, community seasonality, etc.
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This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about the reproductive development of animals, and its main contents include: insects, frogs, birds, sexual reproduction, and asexual reproduction. The summary is comprehensive and meticulous, suitable as review materials.
Communities and their succession
community structure
species composition
Interspecific relationships: predation, interspecific competition, mutualistic relationships, parasitism, primitive cooperation
The spatial structure of the community
Vertical structure (stratification) creates habitat space and food conditions
Horizontal structure (tessellation)
ecological niche
The status or role of a species in a community, including its spatial location, resources occupied, etc., as well as its relationship with other species, etc.
community seasonality
As sunlight, temperature and moisture change with the seasons, the appearance and structure of the community will also change regularly.
Study the abundance of small animal groups in soil
①Principle: Soil animals have the characteristics of tending to darkness, moisture, and avoiding high temperatures.
②Investigation method: Sampler sampling
③Statistical methods: one is the notation method, the other is the visual estimation method
community type
Classification basis: appearance and species composition, etc.
terrestrial community
Desert biome (extremely dry, simple structure, few species)
Grassland biome (semi-arid, simple structure, cold-tolerant, xerophytes, burrowing and fast-running animals
Forest biome (humid, semi-humid, relatively complex and stable structure, arboreal, climbing life)
biological adaptability
Adaptation of organisms to their environment
Adaptation of organisms to organisms
succession
Concept: The process by which one community is replaced (dominated) by another over time
type
Primary succession (succession on sand dunes, fire rocks, and glacial mud) is slow and tends to form a formal community
Secondary succession (grasslands after fires, over-cut forests, abandoned farmland) has a fast succession rate and tends to restore the original community.
Factors affecting succession
①Changes in the external environment
②: The immigration and emigration of organisms
③Changes in the interrelationships between internal populations
④Human activities change the direction and speed of community succession