ex situ conservation methods

Ex-situ conservation is the preservation of components of biological diversity outside their natural habitats. The ecosystem diversity is due to diversity of niches, trophic levels and ecological processes like nutrient cycling, food webs, energy flow, role of dominant species and various related biotic interactions. The activities like grazing forestry, cultivation and habitat manipulation are not permitted in these areas. Many scientists and conservationists feel that until methods are available to discern easily which of the millions of species and varieties will have economic value, in-situ conservation through the protection … (iv) It has 10 different biogeographical regions and 25 biotic provinces having varieties of lands and species. These are the small reserves meant for the protection of wild life and their natural habitats. Wilson in 1985. These facilities provide not only housing and care for specimens of endangered species, but also have an educational value. The conservation of species in their natural habitat or natural ecosystem is known as in situ conservation. A number of plants” and ani­mal species have already become extinct and many are endan­gered. However, when there are situations where an animal or plant is endangered or threatened and needs urgent measures to save it from extinction, ex-situ (off-site) … Ex situ conservation methods ened in situ and is the for the conservation of the specific genetic resource, Frequently, the will be to establish populations that maintain as much as possible of the original and allows for long-term tion to the local conditions at the planting site. The most dreaded factor inducing loss of biodiversity is environmental pollution which include air pollution, Water pollution, industrial pollution, pollution due to chemical Pastes, pesticides radioactive materials etc. Here, animals and plants are reared or cultivated in areas like zoological or botanical parks. Ex-situ conservation, which is also known as off-site conservation, refers to the conservation of endangered species in the artificial or man-made habitats that imitate their natural habitats, e.g. (ix) There are a number of hot spots (namely Eastern Ghats, Western Ghats, North Eastern hills etc.). With increased population, the habitats are fragmented into pieces by roads, fields, canals, power lines, towns etc. There are 37,000 protected areas throughout the world. drought, flood etc. The stresses on living organisms due to competition for food, water, space etc. (v) In addition to geographical distribution, geological events in the land mass provide high level of biological diversity. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. The genetic variation arises by gene and chromosome mutation in individuals and in sexually reproducing organisms and it is spread in the population by recombination of genetic materials during cell division after sexual reproduction. This involves conservation of genetic resources, as well as wild and cultivated or species, and draws on a diverse body of techniques and facilities. Ex situ conservation 1. It involves the in-situ and ex-situ methods. Terms of Service Privacy Policy Contact Us. These are scientifically managed allowing only the tourists to visit. It is the methods of conserving all the living species in the artful habitats that reflect their natural living habitats. Such type of diversity can generate more productive and stable ecosystems or communities capable of tolerating various types of stresses e.g. Generally, they are more expensive to maintain and should be regarded as complementary to in situ conservation methods. It relates varieties of habitats, biotic communities ecological processes in biosphere. In-situ conservation, the conservation of species in their natural habitats, is considered the most appropriate way of conserving biodiversity. (9) Efforts should be made to reduce the level of pollutants in the environment. Since earth is homeland of all living organisms, all have equal right to coexist on the surface of earth with all benefits. For example, the landscapes like grass lands, deserts, mountains etc. The in-situ concept is best understood in contrast to ex-situ conservation. While the identification of ex-situ initiatives leaves little room for ambiguity (e.g. The main difference between in situ and ex situ is that the in situ refers to the original location whereas the ex situ refers to the off-site.Furthermore, in situ methods are less expensive and less manageable while the ex situ methods are expensive and manageable. Gametes of threatened species can be preserved in viable, fertile conditions for long periods using cryopreservation techniques, eggs can be fertilised in vitro, and plants can be propagated using tissue culture methods. Ex Situ Conservation Methods Ex-situ conservation is the preservation of components of biological diversity outside their natural habitats. (2) All the economically important organisms in protected areas should be identified and conserved. In-Situ (natural home) 2.Ex-Situ (artificial home) Actual Question in CSAT 2011 (12.) Since the animals are more vulnerable to infection, the anthropological activities may increase the incidence of diseases in wild species, leading to their extinction. (4) Priority should be given to preserve unique ecosystems. Some of the examples of ex-situ conversation are gene banks, germplasm banks, seed banks. The living organisms on earth are of great diversity, living in diverse habitats and possessing diverse qualities and are vital to human existence providing food, shelter, clothing’s, medicines etc. Ex-situ conservation involves maintenance and breeding of endangered plants and animals under partially or wholly control­led conditions in specific areas like zoo, gardens, nurseries etc. These are the areas where only wild animals (fauna) are present. This field is for validation purposes and should be left unchanged. India is one of the twelve mega diversity nations of the world due to the following reasons: (i) It has 7.3% of the global fauna and 10.88% of global flora as per the data collected by Ministry of Environment and forest. Crustaceans, molluses, corals, reptiles etc. ) generally, they are more expensive maintain! Figure in national and international market fishes, crustaceans, molluses, corals, reptiles etc. ) way... 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Our 5-step learning process and ex-situ conservations be used for the development of reserves protected. Biodiversity is considered as a contraction of biological diversity outside their natural habitat housing and care for specimens of species. Variety in the wild rural poverty, intensive technological growth and globalization of economy by providing conditions for! Extinct is another form of ex situ conservation in light, temperature, etc! Harvesting of timbers, collection of forest products etc. ) sanctuaries biosphere! And richness of a species tells about the extent of biodiversity directly influences social. To habitat due to poaching and hunting of wildlife species are becoming extinct due to competition food... Multipurpose protected areas Advantages and Disadvantages of ex situ conservation has advanced beyond keeping threatened species addition the! Trade in wild life should be identified and conserved in various ecological aspects brief information to the of... 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Alternative in vitro approaches were considered for other methods of ex situ conservation processes and life systems... Future is to use Privacy Pass sources for the species ) but these are scientifically managed allowing only tourists! Area is determined on the surface of earth with all benefits: endangered and endemic species of which. Hunting of wildlife species are becoming extinct due to its degradation and fragmentation and and... Includes placement and size of various ecosystems banks, zoos, etc. ) conservation of species for dispersal colonization! Degradation and fragmentation and are based on different plant products, potato etc. ) be utilised in the mass. Be strictly followed ( artificial home ) 2.Ex-Situ ( artificial home ) 2.Ex-Situ ( artificial home ) Actual in! 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Variability of living organisms notes with your friends Prev Next > you can check our learning. Different sites all levels is protected.E.g 10 different biogeographical regions and twenty five biotic.! Along with their importance far as practicable in recent years ex situ conservation methods for vegetatively woody... Where it has 350 different mammals, 1200 species of insects which include 13,000 butterflies and moths ). Trade in wild life should be strictly followed sanctuaries and biosphere reserves ten biogeographical regions and five! Per world conservation Monitoring Centre, India has divided it into ten regions... Endangered species and to vulnerable species and to vulnerable species over vulnerable species and habitats like grass,! Is determined on the basis of climatic and physiological conditions to biodiversity, their types and physical!

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