The planted tree species pinus radiata originates from three isolated locations along the coast in mainland california and from two islands outside the mexican coast, guadalupe and cedros islands. Using the in trust potato collection at cip as an example of the value of conservation of diversity of ex situ collections to the breeding and research community, since 2007, cip has received 1,399 requests for potato germplasm. Ex situ population management, the practice of maintaining genetically and demographically robust populations outside of their natural habitat and under the care of humans, is one strategy that has been utilized in conserving species. Prepare a ten minute presentation to describe how the survival of one plant or one animal observed is being assisted by exsitu conservation strategies. Which is the correct option for the statements x, y. Samples of populations of species, subspecies, cultivars, breeds, or varieties are taken and conserved either as living collections of plants in field gene banks, botanic gardens, and arboreta, or as samples of. Ex situ conservation free download as powerpoint presentation. They also function as conservation centres of organisms which have become extinct in wild. It is one of two basic conservation strategies, alongside insitu conservation. Apr 16, 2017 finally, ex situ primate populations can educate and raise awareness about the threats facing primates. Exsitu means literally, offsite conservation the process of protecting an endangered species of plant or animal outside of its natural habitat. Ex situ conservation plan for forest genetic resources in alberta. A gene library is a collection of the total genomic dna from a single organism. Pdf technologies and strategies for ex situ conservation.
Exsitu conservation of biodiversity definition, examples. It includes the collection, preservation and maintenance of selected genetic resources from wild. Exsitu 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. Strategy for plant conservation, which proposed 16 goals or targets and implemented in situ conservation e. Ex situ conservation literally means, offsite conservation. Offsite conservation is called as exsitu conservation, which deals with conservation of an endangered species outside its natural habitat. Exsitu conservation of medicinal plants is a complementary action to conserve the genetic diversity, thereby reducing pressure on wild habitats and augmenting. Zoos and other ex situ breeding centers manage populations as genetic reservoirs, with a. National parks, sacred forests, lakes, marine parks, biosphere reserves, gene sanctuaries. Ppt ex situ conservation powerpoint presentation free. Wild plant species with extremely small populations.
Pdf ex situ and in situ conservation of agricultural biodiversity. It offers less mobility to the animals as it is smaller in area than the area of insitu. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. Exsitu conservation national medicinal plants board.
Ex situ conservation is defined here, as in the cbd, as the conservation of. Ex situ conservation ex situ conservation methods samples genetic diversity of species using certain criteria and storepropagate the collected material outside the natural environments in which the species grows heywood and iriondo 2003. Ex situ conservation methods forest genetic resources. Ex situ processes involve the removal of the contaminated media to a treatment area. Its conservation embraces maintenance, sustainable utilization, and restoration, of the lost and degraded biodiversity through two basic and complementary strategies called in situ and ex situ. Ex situ conservation of plant genetic resources 14 iv. 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. May 03, 2019 loss of biodiversity the iucn red list 2004 documents the extinction of 784 species in the last 500 years. Insitu and exsitu conservation of biodiversity biodiversity mainly refers to the variety and variability of life existing on the planet earth. The major genebanks conserving proso, barnyard, kodo, and little millets are presented in table 8. It offers less mobility to the animals as it is smaller in area than the area of in situ. Ex situ conservation involves the maintenance of genetic variation away from its original location.
There are three main roles for ex situ populations of primates. 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. To download a copy of this report, visit the alberta government open data website. Conservation of biodiversity is done in two ways insitu and exsitu conservation. 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. It is the process of protecting an endangered species, variety or breed, of plant or animal outside its natural habitat. Insitu conservation provides the required green cover and its associated benefits to our environment. Describe the role of zoo, aquaria, botanical garden, arboreta and seed bank in conservation and give example for each. In situ and ex situ conservation linkedin slideshare. Insitu and exsitu conservation of biodiversity an overview.
Establishment and implementation of ex situ conservation. Ex situ 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. Biodiversity encompasses variety and variability of all forms of life on earth that play a great role in human existence. Ex situ and in situ conservation teaching resources. Ex situ conservation provides less mobility to the organisms due to relatively smaller habitat or area than the in situ. Agricultural biodiversity, genetic diversity, ex situ conservation, in situ conservation, crop wild relatives. Ex situ primate conservation ferrie major reference. Target 6 aimed to provide in situ protection for about 60% of the threatened species. Such ex situ work is an increasingly important component of conservation and restoration efforts. The future of primate conservation calls for an approach that integrates in situ conservation practices with ex situ managed populations, with conservation management strategies that include both types of populations. A term defined by the convention on biological diversity 1993 as the conservation of components of biological diversity outside their natural habitats. Ex situ conservation is the oldest conservation strategy targeted to preserve seeds or other propagative materials in a. Complex ex situ in situ approach for conservation of.
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. The conservation of biodiversity is achieved by two approaches in situ and ex situ. Ex situ conservation of potato solanum section petota. Exsitu conservation exsitu conservation means literally, offsite conservation.
Ex situ conservation is the technique of conservation of all levels of biological diversity outside their natural habitats through different techniques. 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. Exsitu off site conservation is a set of conservation techniques involving the transfer of a target species away from its native habitat. Management of germplasm collections and genebanks 101 a. Ex situ conservation means literally, offsite conservation. Complex ex situ in situ approach for conservation of endangered plant species. Seed banks represent most of the ex situ conservation program in alberta. Ppt ex situ conservation powerpoint presentation free to. Ex situ conservation consists of conserving genetic variation outside the natural habitat of the species or population, and includes seed banks, clone banks, arboreta, botanical gardens, and research field plantings. Yet the current system for preserving coffees genetic resources in ex situ collections is not sustainable, secure or rational. In situ conservation is the preservation of species and populations of living organisms in a natural state in the habitat where they naturally occur. Ex situ conservation definition of ex situ conservation by. Exsitu conservation definition by babylons free dictionary. It is the process of protecting an endangered species of plant or animal by removing part of the population from a threatened habitat and placing it in a new location, which may.
The conservation outside their habitats by perpetuating sample populations. Both in situ and ex situ methods of biodiversity conservation are equally important. Spatial ex situ conservation gaps were calculated from the conservation gap scores using a cross. Stages in the ex situ conservation of plant genetic resources 18 a. Article 8 of the convention clearly states the need to develop more effective and efficient guidelines to conserve biological diversity, while article 9, along with the fao international undertaking on plant genetic resources, promotes the adoption of a complementary approach to conservation that incorporates both ex situ and in situ techniques. A total of 48,533 samples were distributed in the last 10 years 20072017, following the legal framework of the. Current status of ex situ genetic conservation in alberta. The conservation of ecosystems and natural habitats and the maintenance and recovery of viable populations of species in their. The ex situ conservation of plant genetic resources j. The conservation within natural or even manmade ecosystems where the organism. In the event of a rapid decline in the numbers of a species, due to environmental or genetic factors, exsitu conservation serves as an ideal option. Nearly 45,000 species of plants and twice as many of animals have been recorded from india. Ppt ex situ conservation powerpoint presentation free to download id.
Conservation of biodiversity protecting the loss of biodiversity. Gk, general studies, optional notes for upsc, ias, banking, civil services. There is an increasing need for a one plan approach for conservation strategies that integrate insitu and exsitu management processes. Exsitu conservation is the preservation of components of biological diversity outside their natural habitats. Biodiversity and conservation although india h as only 2. Ex situ conservation is the preservation of components of biological diversity outside their natural habitats.
Which is the correct option for the statements x, y and z. Apr 06, 2015 conservation of biodiversity protecting the loss of biodiversity. Exsitu conservation exsitu conservation dealing with the offsite conservation of the wild genetic resources genetic diversity. Some examples of recent extinctions include the three subspecies bali, javan, caspian of tiger. In the event of a rapid decline in the numbers of a species, due to environmental or genetic factors, ex situ conservation serves as an ideal option. The exsitu conservation involves preservation and breeding of endangered species under partially or fully controlled conditions. In situ conservation of genetic resources managing global. Iucn species survival commission guidelines on the use of. That is what makes our country one of the 12 mega diversity countries of the world. To do so, we created synthetic artificial gaps by removing genebank occurrences in five.
Target 8 aimed to provide ex situ protection for about. Ex situ conservation of biodiversity with particular. Ex situ conservation of biodiversity with particular emphasis. You need highlighters and i use timers however i have taken them out as it made the file too big to upload. Conservation in an artificially created environment 3. Limiting factors of the use of ex situ source material for the restoration of plant genetic diversity in the wild include the scarcity of source material, low viability and reduced longevity of the. In this method genetic information of cultivated and wild plant species is preserved in the form of in vitro cultures and. Ex situ conservation an overview sciencedirect topics. Optimally planning our ex situ conservation collections to ensure species evolutionary potential.
It involves the location, sampling, transfer and storage of samples of the target taxa away from their native habitat to be conserved at. Ex situ conservation of medicinal plants is a complementary action to conserve the genetic diversity, thereby reducing pressure on wild habitats and augmenting raw material availability. 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. Securing more of the worlds flora in ex situ collections is a key component of global plant conservation efforts. Pdf the effective conservation and use of agricultural biodiversity is vital for creating and. Insitu and exsitu conservation methods essay 341 words. In minteer b, maienschein j, collins jp eds the ark and. In aerobic bioventing, air is typically injected into the subsurface to facilitate aerobic metabolism of hydrocarbons. Zoologial gardens are conservation centres where varieties of animals are protected and housed separately and where necessary arrangements are made available for their reproduction. 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 insitu conservation. Based on a series of surveys and site visits, world coffee research together with the global crop diversity trust, have created an exhaustive report about the state of coffee genetic resource preservation, and a. Include zoos, botanical gardens, gene banks, aquarium, cryopreservation etc. The latter are essential for users of germplasm who need ready access.
A gap analysis modelling framework to prioritize collecting. Traylorholzer k, leus k, byers o 2018b integrating ex situ management options as part of a one plan approach to species conservation. Ex situ conservation of plant species in germplasm and living collections is increasingly used to ensure against extinction and provide materials for future restoration efforts. Iucn technical guidelines on the management of exsitu. Saurabh bhatia, in modern applications of plant biotechnology in pharmaceutical sciences, 2015. Ex situ conservation is the technique of conservation of all levels of. Us epa engineering issue in situ and ex situ biodegradation. In situ and ex situ conservation of biodiversity biodiversity mainly refers to the variety and variability of life existing on the planet earth. For many species of medicinal plants their wild population is on critical level and it is not suitable for dealing ex situ conservation action. Guidelines on the use of ex situ management for species conservation pdf.
Ex situ conservation plan for forest genetic resources in. Skmppa introduction conservation of genetic resources is performed ex situ when populations, individuals or reproductive material are maintained outside their original growth environment ex situ conservation in plants is usually applied in welldefined situations fao 1989. Importance of ex situ collections for conservation in situ was realized when collections in botanical. Ex situ measures should preferentially be put into practice in the country of species origin. The interests of the indigenous people are also protected. Frontiers integrating insitu and exsitu data management. The ex situ conservation involves preservation and breeding of endangered species under partially or fully controlled conditions. Zoological institutions contribute directly to threatened species conservation through paradigms, such as reintroduction, headstarting, supplementation, or rescuerehabilitationrelease.
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 also acts as a backup for certain segments of diversity that might otherwise be lost in nature and in humandominated ecosystems. Based on a series of surveys and site visits, world coffee research together with the global crop diversity trust, have created an exhaustive report about the state of. This may be through the integration of speciesspecific in situ and ex situ conservation actions as encouraged in the iucn species survival commission. These guidelines are intended to be used in situations in which ex situ management is being considered as. Ex situ seed conservation ex situ conservation is the conservation of biological diversity outside their natural habitats. 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.
Jan 11, 2016 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. In situ conservation vs ex situ conservation javatpoint. The term biodiversity usually refers to the process of measuring the variation at the genetic, species, and ecosystem level. Loss of biodiversity the iucn red list 2004 documents the extinction of 784 species in the last 500 years. A system wide approach to managing zoo collections for. Difference between in situ and ex situ conservation. In order to ensure the maintenance of biodiversity, there is a need to employ complementary in situ and ex. In 2009 the global strategy for plant conservation gspc set a target that 75%.
1005 181 204 214 1091 1347 775 629 676 233 1177 352 876 1003 583 1533 577 822 1502 1358 430 642 1354 1194 1007 27 492 503 1171 782