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FUNCTIONS OF AN ECOSYSTEM

The function of an ecosystem is a broad, vast and complete dynamic system. It can be studied under the following three heads.

♤ Energy flow


♤ Nutrient cycling (biogeochemical cycles)


♤ Ecological succession or ecosystem development


 

2.1 ENERGY FLOW2.1.1. Trophic level interaction2.2. FOOD CHAIN2.2.1. Types of Food Chainsii) Detritus food chain2.3. FOOD WEB2.4. ECOLOGICAL PYRAMIDS2.4.1. Pyramid of Numbers2.4.2. Pyramid of Biomass2.4.3. Pyramid of Energy2.5 POLLUTANTS AND TROPHIC LEVEL2.5.1. Bioaccumulation2.6. BIOTIC INTERACTION2.6.1. Types of biotic interaction2.7. BIO-GEO-CHEMICAL CYCLE2.7.1. Nutrient CyclingTypes of Nutrient Cycle2.7.2. Gaseous Cycles(b) The Carbon Cycle2.7.3. Sedimentary Cycle2.8. ECOLOGICAL SUCCESSION2.8.1. Primary Succession2.8.1. Secondary Succession2.8.2. Autogenic and Allogenic Succession2.8.3. Autotrophic and Heterotrophic succession

  

 

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