User:Randalj16/sandbox

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Genetic erosion (also known as genetic depletion) is a process in which the

human activities. The term is sometimes used in a narrow sense, such as when describing the loss of particular alleles or genes, as well as being used more broadly, as when referring to the loss of a phenotype
or whole species.

Low genetic diversity in a population, as a result of inbreeding and genetic drift, can increase the likelihood of a species going extinct.[1] Small populations are more susceptible to genetic erosion than larger populations.

Many species benefit from a human-assisted breeding program to keep their population viable,[citation needed] thereby avoiding extinction over long time-frames.

Loss of agricultural biodiversity

See also: Agricultural biodiversity

Genetic erosion in

Animal Genetic Resources for Food and Agriculture, major causes of genetic erosion are reported to include indiscriminate cross-breeding, increased use of exotic breeds, neglect of certain breeds because of a lack of profitability or competitiveness, and the effects of diseases and disease management.[7] In plants, vegetables were found to have a higher rate of genetic erosion than other crop categories, and in animals, a larger percent of mammal breeds have already gone extinct compared to avians.[6][7]

Wild Populations

Prevention and Safeguards

Modern policies of

studbooks)) and by loaning their wild animals to other zoos around the country (and often globally) for breeding, to safeguard against inbreeding
by attempting to maximize genetic diversity however possible.

Costly (and sometimes controversial)

in vitro fertilization, embryo transfer, and cloning
methodologies to protect diversity in the gene pool of critically endangered species.

Recently, strategies for finding an integrated approach to in situ and ex situ conservation techniques have been given considerable attention, and progress is being made.[8]

See also

References

  1. ISSN 0029-8549
    .
  2. ISSN 1479-2621
    .
  3. ^ Baur, E (1914). "Die Bedeutung der primitiven Kulturrassen und der wilden Verwandten unserer Kulturpflanzen fur die Pflanzenzuchtung". Jahrbuch der Deutschen Land - wirtschafts Gesellschaft. 29: 104–110.
  4. ^
    ISSN 1479-2621
    .
  5. ISSN 0925-9864
    .
  6. ^
    ISSN 0925-9864
    .
  7. ^ a b COMMISSION ON GENETIC RESOURCES FOR FOOD AND AGRICULTURE FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS (2015). THE SECOND REPORT ON THE STATE OF THE WORLD’s Animal Genetic Resources for Food and Agriculture. Rome.{{cite book}}: CS1 maint: location missing publisher (link)
  8. ^ See DIVERSEEDS online discussion[permanent dead link] forum on the integrated approach.[dead link]
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