Case Studies Flashcards
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Chapter 2: The Yellow-Headed Parrot
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- Social, easy to tame, mimic human voices well.
- Popular in pet trade.
- Protected by CITES Appendix 1, but are still poached illegally.
- Population dropped 95% since 1970s.
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Chapter 2: The Snow Leopard
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- Threatened by habitat loss, loss of prey species, hunting for skin.
- Snow Leopard requires 6 - 10 skins.
- Worth £30,000 on black market.
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Chapter 2: Rhinoceros Horn
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- Used in traditional medicines for nosebleeds to smallpox.
- Used to make ornamental dagger handles.
- All species protected by CITES Appendix 1, still hunted illegally.
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Chapter 2: The Barn Owl
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- Hunt small mammals in grassland, including roadside verges.
- Light so pulled in behind one passing car and hit by the next.
- Councils cut verges very short so they won’t hunt there.
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Chapter 2: The Nile Perch
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- Introduced into Lake Victoria, Africa in the 1950s to improve food supplies.
- It ate indigenous fish species such as Cichlids, some are extinct.
- Overfishing has reduced Nile perch numbers.
- Nile perch preserved by smoking, uses wood.
- Extra demand for wood has increased deforestation.
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Chapter 2: The Flamingo
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- Build mud nests in shallow water in lakes.
- Only breeding huge colonies that can’t be created in captivity.
- Using mirrors around them makes it seem like there is a large colony encouraging them to breed.
- Seen at Wildfowl and Wetland Trust centre at Slimbridge.
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Chapter 2: The Hawaiian Goose
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- Population dropped from 25,000 to 30 because of hunting.
- captive breeding and release programme at nature reserves.
- Wildfowl and Wetland Trust centre at Slimbridge.
- Helped build wild population up to 800.
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Chapter 2: The Bongo
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- Forest antelope from Africa, some populations wiped out by hunting.
- Captive breeding programmes proved successful.
- Bongo embryos successfully transferred into female eland.
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Chapter 2: The Scimitar Horned Oryx
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- Desert antelope from North Africa.
- Hunting reduced numbers, wiped out in Chad and Niger.
- 10 oryx from Marwell and Edinburgh zoos taken to Bou Hedma National Park, Tunisia.
- Site was suitable: water available, no natural predators.
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Chapter 2: The Red Kite
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- Persecution, habitat loss, egg collecting and poisoning by pesticides reduced population to 10.
- Release chicks born in Spain to re-establish a wild population.
- Feeding stations to support birds after release.
- Now over a 1,000 breeding pairs in the UK.
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Chapter 2: Machair Grassland
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- Rare calcareous grassland habitat.
- Found in north-west Scotland, Outer Hebrides.
- Ground nesting birds such as the endangered Corncrake.
- Conservation involves hay mowing, stopping cutting for silage and preventing overgrazing.
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Chapter 2: Hay Tor Quarry
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- Granite quarry, exploited until 100 years ago.
- Species colonised the quarry site.
- Valuable wildlife habitat.
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Chapter 3: Lady’s Slipper Orchid
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- Collection by orchid enthusiasts reduced numbers.
- Bred by micro-propagation.
- Reintroduced into suitable sites.
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Chapter 3: Dormouse
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- Feeds on flower nectar, hazel nuts, insects and blackberries in hazel woodland.
- During summer they live on upper branches, moving from tree to tree.
- Ideal habitat is coppiced hazel woodland, managed by regular cutting intervals.
- Few woodlands are coppiced properly, dormouse becoming rare.
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Chapter 3: River Test
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- River Test, Hampshire is a clean aquifer-fed chalk stream.
- Valuable habitat for water voles, otters and kingfishers.
- Managed for trout fishing, wildlife conservation is high priority.
- Bank repairs and islands maintain the flow to create gravel beds needed for trout breeding.
