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- 1126587
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- 小时
- 注册时间
- 2015-6-27
- 最后登录
- 1970-1-1
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• IUCN ,red list
• Suspicious : 1988 ,4% rat
○ North American : 39-5%
§ However :5-15%
§ Ignorance : status of most species
○ Other species
§ ignorance: North American species: accurate?
□ Lack data :stable, tendency and rate
□ Bats: investigated ↓
○ Red list: inaccurate and minimal
• RED: tactical error
○ Species : not listed ,not in jeopardy
○ Lack of Data: extend and rate of decline
• Green list : species not in danger
○ Not on list:
§ status is undetermined
§ Habitat loss
§ Be threatened and act
○ Proof : well species
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