Environmental enrichment strategies are used to improve both physiological and psychological welfares of captive animals, which can be achieved by increasing the expression of natural behavior and decreasing abnormal behaviors. It is widely accepted that the more generations a population spends in captive breeding, the less suitable it is for attempted restorations in the wild. Further more, as many of the taxa are located outside natural parks or reserves, in situ measures are not enough to assure their conservation. In addition, high initial quality seeds are a major prerequisite for ensuring seed longevity in seed banks [5]. By studying animals in captivity and applying that knowledge to their husbandry, zoos can provide valuable and practical information that may be difficult or impossible to gather from the wild [24]. Almost 85% of the populations of Ethiopia live in rural areas and most of this population depends directly or indirectly on biodiversity. Home > A Level and IB > Biology > Ex Situ Conservation Ex Situ Conservation 4.0 / 5 based on 1 rating? The twenty-first century is predicted to be an era of bioeconomy driven by advances of bioscience and biotechnology. Such captive breeding in zoos has helped to save several species from extinction [19]. The type and nature of collection missions and number and lists of plant species and landraces collected have been documented in manuals and reports. and eventually evolved to the establishment of protected areas in the 1960s [4]. Which plants are near by your house?​, Acircular sedimentation tank filled with standardmechanical sludge removal equipment is tohandle 3.5 ml per day of raw water. Thus, survival and breeding rates of captive populations improved [38]. Ex-Situ Conservation: Ex-situ conservation is the preservation of components of biological diversity outside their natural habitats. Aquarium is used to admire at home by hobbyists, to portray as public exhibits, to provide large quantities of human food and animal fodder [18]. Seed banking is the major ex situ conservation method employed in Ethiopia. Ex situ conservation means conservation which takes place off-site. A. Ryder, A. McLaren, S. Brenner, Y.-P. Zhang, and K. Benirschke, “DNA banks for endangered animal species,”, C. W. Vertuccj, “Predicting the optimum storage conditions for seeds using thermodynamic principles,”, R. H. Ellis and E. H. Roberts, “Improved equations for the prediction of seed longevity,”, J. The National Tree Seed Project processes seeds from a narrow range of tree species and uses short-term storage facilities. In this study, we assayed levels of genetic diversity from in situ and ex situ populations of Jala, a very tall, large‐eared race of maize ( Zea mays L. subsp. Zoos can also be used for businesses that make money. More than half of the habitable surface of the earth has already been significantly altered by human activities. Most notably, within the captive environment, housing and husbandry will also have significant impacts on birth and death rates [19]. The second phase is known as deterministic that resulted from failures in mitigating threats that eventually result in very small, fragmented, and isolated remnant populations. Chicago/Turabian Style Hanson, Jean; Ellis, Richard H. 2020. The frequently used criteria include how the species is valued, according to its uniqueness, contribution to research or education, and conservation status [19]. 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. About 90% of the total germplasm holdings in the gene bank consist of field crops. Although there is no well-established zoo or zoological garden in Ethiopia, the Addis Ababa Lion Zoo Park can be dominantly cited [59]. Zoos support conservation by educating the public, raising money for conservation programs, developing technology that can be used to track wild populations, conducting scientific research, advancing veterinary medicine, and developing animal handling techniques [22]. They have a unique opportunity as visitor attraction places and scientific institutions for documentation and conservation of plant diversity by shaping and mobilizing citizens to the current environmental challenges [31]. Evidence mainly from studies of rodents and primates strongly indicates that prenatal stress can impair stress-coping ability and is able to cause a disruption of behavior in aversive or conflict-inducing situations. 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