服务承诺
资金托管
原创保证
实力保障
24小时客服
使命必达
51Due提供Essay,Paper,Report,Assignment等学科作业的代写与辅导,同时涵盖Personal Statement,转学申请等留学文书代写。
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标私人订制你的未来职场 世界名企,高端行业岗位等 在新的起点上实现更高水平的发展
积累工作经验
多元化文化交流
专业实操技能
建立人际资源圈Peregrine_Falcon
2013-11-13 来源: 类别: 更多范文
Peregrine Falcon
Peregrine Falcons in Urban Habitats
Page 1 Timeline
I. Introduction
a) Peregrine Falcon facts
-habitat characteristics, prey, etc.
II. Population decline
a) DDT and other organochlorine pesticides
-their harmful effects on Peregrine Falcons
b) Specific examples of population decreases
III. Human effort to reestablish population
a) Peregrine Fund/ Dr. Tom Cade
- Initial plan to save species from extinction
b) Captive breeding, released into urban areas/wild
- Hacking
IV. Falcons in cities
a) Nesting sites
b) Prey and hunting
c) Successes/failures
- Benefits/risks of cities
d) Examples of specific urban populations
V. Population increase
a) Reasons for increase
b) Reintroduction to old nesting sites
- Failure of certain populations to recover
VI. Future of Peregrine Falcons
a) Future in cities
b) Future in natural habitats
c) Worldwide outlook for Peregrine Falcons
Works Cited Page
Peregrine Falcon Population Timeline
Year
1900 -2ooo breeding pairs in US (Rowland, 2000)
1950s -Populations began disappearing (Rowland, 2000)
-Heavy use of DDT and other organochlorine pesticides
1964 -Peregrine Falcon vanished from Eastern US
(Rowland, 2000)
1970 - Listed as endangered under the Endangered Species Conservation Act of 1969
-39 breeding pairs in US (Rowland, 2000)
-Peregrine Fund initiated by Dr. Tom Cade
(Rowland, 2000)
1972 -Federal Insecticide, Fungicide and Rodenticide Act (FIFRA) banned DDT in US
1973 -Endangered Species Act of 1973
1974 -After first year of Cades plan, 20 hatchlings survived captive breeding, some were released into the wild (Rowland, 2000)
-Fewer than 325 breeding pairs in N. America (Rowland,2000)
1980s -Population began recovering
-Release of 3,000
peregrine, birds, falcons, population, cities, falcon, 2000, rowland, populations, species, ddt, breeding, prey, released, pairs, endangered, urban, natural, wild, save, pesticides, nesting, high, been, act, 1999, year, time, savage, first, effort, decline, because, though

