生态2(Ecology 2).doc
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生态2(Ecology 2)
1, the producers are mainly green plants and can synthesize bacteria
2 consumers are heterotrophic organisms other than microorganisms, mainly those dependent on primary producers or other organisms for survival.
3 decomposer mainly refers to heterotrophic microorganisms that produce animal residues, including fungi, bacteria, actinomycetes, and also some protozoa and food eating animals
4 spatial temporal structure, spatial allocation and temporal distribution of biological populations in an ecosystem
5: the trophic structure of ecosystems by producers and consumers, the decomposition of three functional groups in food nutrition which | food chain and food web
6 information transfer in ecosystem, biological and environmental physical information generated (sound, light, color and electrical etc.), chemical information (enzymes, vitamins, hormones, antibiotics), nutrition information (food and nutrition and behavior information (biological actions) in the transfer between life and the environment
7 the agricultural ecosystem component structure refers to the agriculture, forest, animal husbandry and fishery industry, deputy (processing) between the ratio and the species composition and quantity of internal relationship between specific industries
The 8 level structure of agriculture ecological system refers to a certain region, combined with the distribution of various agricultural biological groups in horizontal space, which is composed of structure of agricultural landscape landscape unit farmland, artificial grassland, plantation, ponds and other types of.
9 vertical structure of agricultural ecosystem refers to the combination and distribution of agricultural biological groups in the same land unit in vertical space.
10, the temporal structure of agricultural ecosystems refers to the distribution and succession of agricultural biological groups in time.
Density of 11 populations: the total number of individuals of a particular species in a unit sp
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