In-situ conservation means "on-site
conservation". It is the process of protecting an
endangered plant or
animal species in its natural
habitat, either by protecting or cleaning up the habitat itself, or by defending the species from
predators. Increasingly, this term is also being applied to the conservation of
agricultural biodiversity in
agroecosystems by farmers, especially those using unconventional farming practices. One benefit to
in-situ conservation is that it maintains recovering populations in the surrounding where they have developed their distinctive properties. Another is that this strategy helps ensure the ongoing processes of evolution and adaptation within their environments. As a last resort,
ex-situ conservation may be used on some or all of the population, when
in-situ conservation is too difficult, or impossible.
Wildlife and livestock conservation is mostly based on in situ conservation. This involves the protection of wildlife habitats. Also, sufficiently large reserves are maintained to enable the target species to exist in large numbers. The population size must be sufficient to enable the necessary genetic diversity to survive within the population, so that it has a good chance of continuing to adapt and evolve over time. This reserve size can be calculated for target species by examining the population density in naturally-occurring situations. The reserves must then be protected from intrusion, or destruction by man, and against other catastrophes.
See also
External links
Other references
- Heywood, V.H. and M.E. Dullo In situ conservation of wild plant species a critical global review of good practices. FAO, IPGRI (International Plant Genetic Resources Institute) Rome, Italy. 174 p.
- Jarvis, D.I., L. Meyer, H. Klemick, L. Guarino, M. Smale, A.H.D. Brown, M. Sadiki, B. Sthapit and T. Hodgkin A Training Guide for In Situ Conservation On-farm. IPGRI, BMZ, Development Cooperation (Netherlands Ministry of Foreign Affairs), FAO, GRST, GTZ, IDRC, SDC. 161 p.
- Jarvis, D., B. Sthapit and L. Sears, editors. Conserving agricultural biodiversity in situ: A scientific basis for sustainable agriculture.. International Plant Genetic Resources Institute, Rome, Italy..