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The rationale for wildlife conservation (Knowledge and understanding…
The rationale for wildlife conservation
Knowledge and understanding
Human behaviour
Interdependence of life on Earth
Biomimetics
Aesthetics and recreation
Morals
Ethics
Economic reasons
Medical benefits
Physiological research
Development of new medicines
Food resources
Gene pool
Gene pool problems
Disease-resistant rice and potatoes
Cold-resistant pineapples
Few varieties of commercial crop species grown.
Each variety uniform genetically.
Breed new desirable characteristics using wild varieties
Pest control
Parasitic wasps
Encarsia Formosa
Predatory beetles
New food species
Indigenous species usually better adapted.
1500 plant species in Spinach family.
Grow well in salt-rich soils.
Selective breeding - enhance desirable characteristics
Papua New Guinea:
250 plant species with edible fruit.
Fewer than 50 currently cultivated.
Other material resources
Wood
Fibres
Insecticides
Cosmetics
Dyes
Skins
Oils
Earth's life-support systems