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The key components of life are at one extreme and communities of species at the other extreme. Biogeography studies consider phytogeography (forest), zoogeography (animals, insects), pedology (soil) hydrology (water), oceanography (ocean).
Biodiversity is the shorter form of word biological diversity […] Some examples of ecosystems that are rich in diversity are:This entry is from Wikipedia, the leading user-contributed encyclopedia.
Maintaining both types of diversity is fundamental to the functioning of ecosystems and hence to human welfare. Colder regions support less than the warmer regions for species diversity. The recombination) of genetic material during cell division makes it an imperative for genetic diversity within a species. DiCookies help us deliver our services.
This process is a genuine attempt to find relationships between organisms.
Biodiversity is a term which describes every living organism within a single ecosystem or habitat, including numbers and diversity of species and all environmental aspects such as temperature, oxygen and carbon dioxide levels and climate.
Genetic diversity is the whole basis for a sustainable life system in the earth. the number and variety of species) and ecosystem diversity (total number of ecosystem types).
Its studies include variation of flora and fauna over the earth surface. Ecosystem definition, a system, or a group of interconnected elements, formed by the interaction of a community of organisms with their environment.
The number of species in a region is a measure for such diversity. Amendment 38 Article 2, point (v a) (new) (va) 'biodiversity' means the variety of life forms and ecosystem types including genetic diversity (i.e. The manifestations of all types of diversities are found at all these levels of organisms. Justification The definitions should include all specific terms used in the regulation. The whole area of agricultural productivity and development depend on genetic diversity. Gandhamardan Hills of Sambalpur is rich in biodiversity.
Our old scriptures tell lot about these things. If an ecosystem has poor species diversity, it may not function properly or efficiently. Before publishing your articles on this site, please read the following pages: These vary from the humid tropical Western Ghats to the hot desert of Rajasthan, from the cold desert of Ladakh and the icy mountains of Himalayas to the warm coasts of peninsular India including coastal region of Orissa. The higher taxa have thousands of species. An ecosystem is the smallest unit of a living system which is functionally independent. The manifestations of all types of diversities are found at all these levels of organisms. The local people or farmers are not showing any interest to preserve the natural way of genetic diversity. This results distinct population of one, even same species. Many of the endangered and endemic species need human intervention for survival. By using our services, you agree to our use of cookies. Indian Government through various projects is trying to check this process of endangering of species. It gives genetic variation within a population or varieties within one species. The flowering plants comprise 15,000 species of which several hundred (5000-7500) species are endemic to India. diversity within species), species diversity (i.e. Definition.
The variation in the sequence of four base pairs in DNA chain forms the genetic variation in the organism. There is no fixed size of an ecosystem. The living world is a complex combination of different levels of organisms. This refers to the variety of species within a particular region. India is one of the 12 centres of diversity and origin of several cultivated plants in the world. One is variation in the gene which all organisms possess which is passed from one to its offspring’s. The ecosystem approach is a strategy for the integrated management of land, water and living resources that promotes conservation and sustainable use in an equitable way. The richness of species in a given region provides a yard stick for species diversity. 6,500 of other invertebrates, 2,000 offish, 140 of amphibians, 420 of reptiles, 1,200 of birds and 340 of mammals are recorded from India. It is estimated that 15,000 species of plants occur in India. In the taxonomic system similar species are grouped together in general, similar genera in families, families in orders and so on till in the level of kingdom.
Among these, more than 50,000 species of insects, 4,000 of molluscs. Change the target language to find translations.Copyright © 2012 sensagent Corporation: Online Encyclopedia, Thesaurus, Dictionary definitions and more. This richness in biological diversity is due to immense variety of climatic and altitudinal conditions coupled with varied ecological habitats. The Indian tradition teaches us that all forms of life, human, animal and plants are so closely linked that disturbance in one gives rise to imbalance in the other.
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