ecosystem diversity definition

Diversity at the level of community and ecosystem exists along 3 levels. It could be within-community diversity (alpha diversity), between-communities diversity (beta diversity) or diversity of the habitats over the total landsca..

The numerical strength and biomass of organisms affect the functioning of ecosystem. In ecosystems, the biotic communities usually contain a few common species represented by a large number of individuals or by a large biomass and a comparatively large number of individual spec..

An ecosystem is a self sustaining structural and functional unit of the biosphere. The ecosystem may be large or small. In the biosphere several ecosystems exist. Usually there is exchange of material and energy between adjoining ecosystems. Ecosystems..

Types of Ecosystem - There are two types of ecosystems..

Animal Diversity - Among the members of the animal kingdom, about 95% do not posses a backbone (or vertebral column) and hence are described as invertebrates. The remaining animals represent a group called chordates, which posses a solid supporting structure on the dorsal side of the body..

The following is a list of the approximate number of species known in the animal groups regarded as major phyla. Protozoa 35,000 Porifera 9,000 Coelenterates 9,000 Platyhelminthes 20,000 Aschelminthes 12,000 Annelids 15,000 Arthropods 9,60,000 Molluscs 50,000 Echinodermata 7,000 Chordates 50,0..

It can recognise a vast variety of foreign molecule..

An ecosystem can be defined as 'a structural and functional unit of biosphere or segment of nature consisting of community of living beings and the physical environment, both interacting and exchanging materials between them'. E. P. Odum, an American ecologist, defined..

Components of an Ecosystem - (Organisation or Structural aspect of an ecosystem) An ecosystem comprises of two basic components i) Abiotic components and ii) Biotic components The relationship between the biotic components and abiotic components of an ecosystem..

There are two types of ecosystems..