Establishment and implementation of ex situ conservation. During the long period 3 billion years since the origin and diversification of life on earth, there were five episodes of mass extinction of species. Exsitu conservation exsitu conservation dealing with the offsite conservation of the wild genetic resources genetic diversity. Both in situ and ex situ methods of biodiversity conservation are equally important. Exsitu conservation of finnish native plant species life11 biofi. It is the process of conserving all the living species, especially the wild and endangered species in their natural habitats and environment. India encompasses at present 89 national parks and 496 sanctuaries moef, 2001 covering an area of 1. Ex situ measures should preferentially be put into practice in the country of species origin. Botanical survey of india is actively engaged in the exsitu conservation through its chain of botanic gardens established in different regional circles. Ex situ conservation of plant genetic resources 14 iv. Philosophical and ethical concerns 23 spontaneous nature is taken over by human deliberation and resourced, or redirected to human uses.
In situ and ex situ are two methods used to describe different biological processes such as bioremediation, and conservation. In this approach, threatened animals and plants are taken out from their natural habitat and placed in special setting where they can be protected and given special care. Ex situ means literally, offsite conservation the process of protecting an endangered species of plant or animal outside of its natural habitat. An exsitu action plan for the conservation of threatened native plant taxa in finland was developed by the life vaccia. Cuvier, 1825, endemic to eastern himalayas, is a flagship species for in situ and ex situ conservation. Ex situ conservation is the preservation of components of biological diversity outside their natural habitats. It is now recognized that ex situ techniques can be efficiently used to complement in situ methods, and they may represent the only option for conserving certain highly endangered and rare.
Exsitu methods focus on species conservation in botanic gardens, zoos, gene banks, and. National parks, sacred forests, lakes, marine parks, biosphere reserves, gene sanctuaries. Complementary approaches for maintaining biodiversity haileab zegeye department of biology, faculty of natural and computational sciences, debre tabor university, p. It includes the collection, preservation and maintenance of selected genetic resources from wild. Ex situ conservation literally means, offsite conservation. Insitu and exsitu conservation of biodiversity an overview. The challenges of ex situ orchid conservation text by mark sullivan what the words. Studies to identify and prioritize species for exsitu conservation, and climate change. Conservation or protection of flora and fauna within natural habitat is called in situ conservation.
There are two broad categories that most conservation efforts can be placed under and its a good thing to know a bit about both of them. Sanctuaries for rhododendrons and orchids have been established in sikkim. Each component is dependent on the availability and accuracy of data for evidence to facilitate evaluation and adaptive management processes. Through the conservation of biodiversity and the survival of many species and habitats which are threatened due to human activities can be ensured. Start studying in situ ex situ conservation methods. This in situ ex situ integration necessitates collaboration at all levels of conservation action including planning, implementation, monitoring and assessment to drive adaptive management processes. This involves conservation of genetic resources, as well as wild and cultivated or species, and draws on a diverse body of techniques and facilities. Ijres 4 2017 112 issn 20591977 in situ and ex situ conservation. It is generally used to safeguard populations that are at present or potentially under threat and need to be collected and conserved in gen.
Globally 29,000 accessions of proso millet, 8,000 accessions each of barnyard and kodo millets, and 3,000 accessions of little millet have been assembled and conserved fig. In situ conservation vs ex situ conservation javatpoint. Ex situ conservation is the widely used method to conserve millet genetic resources. In situ conservation is the preservation of species and populations of living organisms in a natural state in the habitat where they naturally occur. It is the process of protecting an endangered species, variety or breed, of plant or animal outside its. It involves the location, sampling, transfer and storage of samples of the target taxa away from their native habitat to be conserved at a remote site. Ex situ seed conservation ex situ conservation is the conservation of biological diversity outside their natural habitats. Find out the difference between in situ and ex situ conservation which is very useful for the competitive examinations like upscprelims, ssc. Tura range in garo hills of meghalaya is a gene sanctuary for conserving rich native biodiversity. Difference between in situ and ex situ conservation. Iucn species survival commission guidelines on the use of ex situ. Conservation of biodiversity is done in two ways in situ and exsitu conservation.
Conservation is the protection, preservation, management, or restoration of wildlife and natural resources such as forests and water. In situ conservation of genetic resources managing. Zoological parks, botanical gardens, wildlife safari parks and seed banks serve this purpose. On one end, in situ is defined as onsite, conservation in a wild nature, while on the other end, ex situ is offsite, unnatural, or captive conservation. It is the process of protecting an endangered species, variety or breed, of plant or animal outside its natural habitat. Ex situ conservation involves the maintenance of genetic variation away from its original location. For example, conserving tigers in tiger reserves or rhinos in the habitat where they are foun. What are the differences between insitu and exsitu. Ex situ conservation methods ex situ conservation is the preservation of components of biological diversity outside their natural habitats. Wildlife conservation is broadly classified into these two types. Ex situ conservation methods bioversity international.
Define the resources and expertise needed for the ex situ p. For example, biological material which is in a laboratory, collection, botanical garden, zoo, or aquarium. In situ conservation of biodiversity includes biosphere reserves, national parks, wildlife sanctuaries, etc. Find out the difference between in situ and ex situ conservation which is very useful for the competitive examinations like upscprelims, ssc, state services, nda, cds, and railways etc. Some examples of recent extinctions include the three subspecies bali, javan, caspian of tiger. Stages in the ex situ conservation of plant genetic resources 18 a. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Exsitu conservation forms the basis of article 9 of theconvention on biological diversity cbd, which highlights it should always be implemented as a complementary and not as an alternative approach to in situ conservation. In situ conservation of genetic resources a species or a population sample of a particular part of its genetic variation can be maintained through in situ or ex situ conservation. The nominate race of red panda ailurus fulgens fulgens f. Cette situa tion nous permet dadopter ici une approche globale faisant apparaitre les complementarites entre conservation in situ et ex situ, et entre le. Insitu and exsitu conservation of spiraea crenata rosaceae in. Management of germplasm collections and genebanks 101 a.
Conservation of biodiversity protecting the loss of biodiversity. Ex situ conservation, which is also known as offsite conservation, refers to the conservation of endangered species in the artificial or manmade habitats that imitate their natural habitats, e. Difference between insitu and ex situ conservation major. It is onsite conservation or the conservation of genetic resources in natural populations of plant or animal species. In situ conservation the conservation efforts are taken. Effects of genetic captive breeding protocols on sperm quality and fertility in the whitefooted mouse. The conservation of biodiversity is achieved by two approaches in situ and ex situ. Ex situ conservation is the conservation of components of biodiversity outside their natural habitats cbd definition, unced, 1992. In situ conservation the conservation of genetic resources through their maintenance within natural or even human made ecosystems in which they occur, is called insitu conservation. Article 8 of theconvention on biological diversity cbd specifies insitu conservation as the primary conservation strategy, and states that ex situ measures should play a supportive role to reach conservation targets.
Iucn species survival commission guidelines on the use of. Overview of conservation methods for ocr a level biology, covering in situ methods legislation, wildlife reserves and ex situ wildlife parks. It is a particularly important method of conservation for species that are difficult to conserve ex situ, such as many cwr. In situ conservationex situ conservation in situ means being in the original position. When we conserve one or more species in their habitat where they naturally occur we call it in situ conservation. Outside, off site, or away from the natural location. Ex situ conservation an overview sciencedirect topics. In order to ensure the maintenance of biodiversity, there is a need to employ complementary in situ and ex. I thought i would share some basic definitions and a few examples of each. Insitu conservation is the onsite conservation or the conservation of genetic resources in natural populations of plant or animal species, such as forest genetic resources in natural populations of teagan species.
Integrating ex situ and in situ conservation of lemurs. Gk, general studies, optional notes for upsc, ias, banking, civil services. The state of in situ management food and agriculture organization. It can also mean the gathering and saving of orchid seeds, and dna. Article pdf available in plant species biology 312 april 2016 with. It is the process of protecting an endangered species of plant or animal outside its natural. Pdf in situ and ex situ conservation of red panda in. Iucn species survival commission guidelines on the use of ex situ management for species conservation. They are actively engaged in collection, introduction, multiplication and maintenance of germplasm of orchids, bamboos, palms, medicinal plants, legumes, ferns, wild. 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 longterm. Insitu conservation aims to enable biodiversity to maintain itself within the context of the.
The major genebanks conserving proso, barnyard, kodo, and little millets are presented in table 8. Biodiversity conservation is accomplished in a number of ways. Loss of biodiversity the iucn red list 2004 documents the extinction of 784 species in the last 500 years. Iucn technical guidelines on the management of exsitu populations for conservation approved at the 14th meeting of the programme committee of council, gland switzerland, 10 december 2002 preamble iucn affirms that a goal of conservation is the maintenance of existing genetic. Exsitu conservation of medicinal plants is a complementary action to conserve the genetic diversity, thereby reducing pressure on wild. Iir virro culture is largely employed for ex sihc conservation of plant species. Furthermore, in situ methods are less expensive and less manageable while the ex situ methods are expensive and manageable. Ex situ conservation provides less mobility to the organisms due to relatively smaller habitat or area than the in situ.
Iucn technical guidelines on the management of exsitu. The conservation within natural or even manmade ecosystems where the organism. Which is the more effective way to maintain seed longevity of an endangered cactus. Exsitu conservation national medicinal plants board. This process protects the inhabitants and ensures the sustainability of the environment and ecosystem. Pdf integrating ex situ and in situ conservation of. In situ conservation means the conservation of ecosystems and natural habitats and the maintenance and recovery of viable populations of species in their natural surround. Approved by the steering committee of the iucn species survival commission, tallinn, estonia, 29 august 2014.56 907 561 1086 1194 841 726 197 184 1052 288 195 971 386 819 791 818 1367 988 1013 1345 1460 1288 1304 1214 302 1332 265 512 1389 361 1279 194 445