4.pptx - ECOSYSTEM S ECOSYSTEM Exchange of materials...

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ECOSYSTEM S
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“Exchange of materials between living and non-living components within the system is known as ECOSYSTEM” Term coined by British ecologist A.G.Tansley in 1935. “The system resulting from the integration of all the living and non-living factors of the environment.” ECOSYSTEM” The study of the relationships between biotic and abiotic factors in environments Ecology
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Examples of Biotic Factors
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Ecosystem Structural components Biotic Abiotic Producers Consumers Primary Secondary Tertiary Decomposers Physical Chemical Solar flux, Temperature, Rainfall, Wind, Water Soil type etc Carbon, Nitrogen, Phosphorus, Potassium, Hydrogen, Oxygen, Salts, Organic substances in the soil Food Chain, Food web, Ecological Pyramids, Bio-geo Chemical Cycles Ecological Succession Functions
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Abiotic Factors All non living components of the environment are abiotic factors. They include air, water, soil, temperature, rainfall, humidity, minerals, source of energy.
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A major regional or global biotic community, a super ecosystem, defined chiefly by the dominant forms of plant life and the prevailing climate Biome Collection of related Eco Systems
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Desert Grassland Tropical rain forest Deciduous forest Coniferous forest Tundra Major Biomes of the World Major Biomes of the World Ocean
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Deciduous forest in autumn Deciduous forest in Winter Deciduous forest in Spring
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Cactus plant Joshua trees
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Coniferous forest
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Life Organization
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  • Spring '18
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