منابع مشابه
Reduced heterozygosity impairs sperm quality in endangered mammals.
Inbreeding causes increases in homozygosity and is commonly associated with reductions in fertility and embryogenesis. Although the mechanisms underlying such effects are unknown, recent work has suggested that inbred males may suffer impaired ejaculate quality, thus providing a functional explanation for reductions in reproductive function in inbred populations. However, the relationship betwe...
متن کاملGlobal Patterns of Evolutionary Distinct and Globally Endangered Amphibians and Mammals
BACKGROUND Conservation of phylogenetic diversity allows maximising evolutionary information preserved within fauna and flora. The "EDGE of Existence" programme is the first institutional conservation initiative that prioritises species based on phylogenetic information. Species are ranked in two ways: one according to their evolutionary distinctiveness (ED) and second, by including IUCN extinc...
متن کاملProtecting and extending fertility for females of wild and endangered mammals.
The forces that are relentlessly pressuring wild animals are well-established and include the loss, fragmentation, pollution, and over-exploitation of habitat as well as emerging diseases, invasive species, and direct human activities, including hunting and urban sprawl. A major contemporary concern also is climate change, which alters how and where animals live. There now are objective data re...
متن کاملHeterozygosity-fitness correlations and inbreeding depression in two critically endangered mammals.
The relation among inbreeding, heterozygosity, and fitness has been studied primarily among outbred populations, and little is known about these phenomena in endangered populations. Most researchers conclude that the relation between coefficient of inbreeding estimated from pedigrees and fitness traits (inbreeding-fitness correlations) better reflects inbreeding depression than the relation bet...
متن کاملEndangered languages, endangered knowledge
ogist, and ethnobiologist. She is cofounder and President of Terralingua: Partnerships for Linguistic and Biological Diversity. Terralingua is an international NGO based in Washington, DC, devoted to supporting the world’s linguistic diversity and to exploring the links between linguistic, cultural, and biological diversity, through research, information, education, and policy. She is editor of...
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ژورنال
عنوان ژورنال: Oryx
سال: 1984
ISSN: 0030-6053,1365-3008
DOI: 10.1017/s0030605300019001