Wildlife Conservation
- Created by: Aishah.a
- Created on: 08-12-12 17:48
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- Wildlife Conservation
- The rational
- Education
- human behavior social structure, interdependence, biomimentics
- Aesthetic/ recreational
- world will be a pleasant place, has economic benefits
- Moral
- organisms have a right to live, wrong to kill unnecessarily
- Economic
- Medical
- physiological - producing vaccines, testing drugs development - treating human diseases with chemicals, so protect all
- food
- domestication- gene pool prob lack of variety wild varieties - very few grown for commercial biological control- better adapted for local
- Other
- timber (construction) fibers cosmetics
- Medical
- Earths life support system
- maintenance of atmosphere- photosynthesis and respiration reg CO2 and O2
- role of plants - increase humidity by transpiration this increases rainfall
- soil formation & conservation - detrivores break up org material - decomposers make it into nutrients
- Species interdependence
- food supplies - prey provide for predators - remove sick +weak
- pollination (insect)- more reliable than wind, evolved to attract animals
- seed dispersal - small seeds for wind, faeces habitat provision
- Education
- Humans threaten wildlife
- deliberate exploitation
- food - extinction due to hunting fashion - skins entertainment traditional medicines
- accidental harm - Road kill, farm harvesting ,fishing
- introduced species - predators, competitors, disease
- deliberate eradication - predators, competitors
- habitat change- humans change the env most likely to affect species that need specific req competitor species may be better able to survive changes
- deliberate exploitation
- Conservation methods
- legal protection
- trade controls (CITES) - 1 complete ban on trade 2 limited trade 3 particular countries request assistance to protect species
- laws ban activities - wildlife and countryside act make harm & exploitation illegal
- protected areas - restriction on protected areas
- sustainable exploitation - IWC control not ban so species are not threatened
- Captive breed and release
- problems
- difficulties - size, expensive breeding prog- provide right conditions interbreeding-small gene pool species - breed in large colonies
- methods
- cytopreservation egg sperm stored artificial insemination embryo transfer micropropation seed banks
- release - probs
- lack of food recognition hunting skills no immunity against local diseases community may not be unaccepting
- problems
- Habitat conservation
- habitat protection establishment of nature reserves to reduce disturbance or damage
- habitat management - maintain/enhance -control of succession -culling /removing of invasive species -providing sutable a/biotic factors/ conditions - biological corridors
- Habitat Creation - Alteration of unsuitable habitat so that desired species can survive, spec conditions for native introduction of wildlife
- legal protection
- The rational
- organisms have a right to live, wrong to kill unnecessarily
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