DISSERTATION RESEARCH: Integrating Ecology and Evolution to Infer Hierarchical Processes Structuring Slender-snouted Crocodile Populations in Central Africa
论文研究:整合生态学和进化论来推断中部非洲细吻鳄鱼种群的分层过程
基本信息
- 批准号:1010574
- 负责人:
- 金额:$ 1.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-06-01 至 2012-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This project is integrating field and genetic techniques to improve our understanding of the ecological and evolutionary processes driving population structure and persistence in the crocodiles of Central Africa. Combining information from independent genetic markers with radio telemetry data on crocodile movement and habitat use will allow us to differentiate between the effects of historic landscape features (e.g. river hydrology, mountain ranges) and contemporary, human-driven land cover change on the distribution and current status of slender-snouted crocodiles. In the face of rapid environmental change, research focusing on biodiversity can no longer afford to be narrow in scope. This study transcends this challenge by examining the conservation-relevant ecology and evolution of crocodiles at multiple spatial and temporal scales.This project will contribute significantly to our understanding of the evolution of biodiversity in Central Africa. An increased understanding of the evolution of wild crocodilian populations will both facilitate management efforts and provide a unique realization of the interaction between historic landscape features (which were forming when modern crocodiles appear in the fossil record), relatively recent climatic cycles, and modern anthropogenic threats like overharvesting and habitat loss. Slender-snouted crocodiles are the least known crocodilian in the world and this study will finally enable management programs for it. This study is contributing significantly and immediately to the conservation of wildlife in Central Africa through capacity-building with local Gabonese students and facilitation of the development of new protected areas and management strategies for highly threatened crocodiles in Gabon.
该项目将实地和遗传技术相结合,以提高我们对中非鳄鱼种群结构和持久性的生态和进化过程的理解。 将独立遗传标记的信息与鳄鱼运动和栖息地利用的无线电遥测数据相结合,将使我们能够区分历史景观特征(例如河流水文,山脉)和当代人类驱动的土地覆盖变化对细吻鳄鱼分布和现状的影响。 面对迅速的环境变化,以生物多样性为重点的研究再也不能缩小范围。 这项研究超越了这一挑战,在多个空间和时间尺度上研究了鳄鱼的保护相关生态和进化。该项目将大大有助于我们了解中非生物多样性的演变。 增加对野生鳄鱼种群进化的了解将有助于管理工作,并提供对历史景观特征(现代鳄鱼出现在化石记录中时正在形成),相对较近的气候周期和现代人为威胁(如过度捕捞和栖息地丧失)之间相互作用的独特认识。 细吻鳄是世界上最不为人所知的鳄鱼,这项研究最终将使它的管理计划成为可能。这项研究通过与加蓬当地学生的能力建设以及促进新保护区的开发和加蓬高度濒危鳄鱼的管理战略,为中非野生动物的保护做出了重大而直接的贡献。
项目成果
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James Austin其他文献
Alternatives to the Secure Detention and Confinement of Juvenile Offenders
安全拘留和监禁少年犯的替代办法
- DOI:
- 发表时间:
2005 - 期刊:
- 影响因子:0
- 作者:
James Austin;Kelly Johnson;Ronald Weitzer - 通讯作者:
Ronald Weitzer
Initial Development of Scales to Assess Self-Efficacy for Disclosing HIV Status and Negotiating Safer Sex in HIV-Positive Persons
- DOI:
10.1023/a:1011300912395 - 发表时间:
2001-09-01 - 期刊:
- 影响因子:2.400
- 作者:
Seth C. Kalichman;David Rompa;Kari DiFonzo;Dolores Simpson;Florence Kyomugisha;James Austin;Webster Luke - 通讯作者:
Webster Luke
ENAMeL: A Language for Binary Correlation Matrix Memories
- DOI:
10.1007/s11063-013-9307-8 - 发表时间:
2013-06-13 - 期刊:
- 影响因子:2.800
- 作者:
Nathan Burles;Simon O’Keefe;James Austin;Stephen Hobson - 通讯作者:
Stephen Hobson
The Empirical Case for Pretrial Risk Assessment Instruments
审前风险评估工具的实证案例
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:2.1
- 作者:
Sarah L. Desmarais;J. Monahan;James Austin - 通讯作者:
James Austin
Evaluating How Well Your Classification System is Operating: A Practical Approach
评估分类系统的运行情况:实用方法
- DOI:
- 发表时间:
1986 - 期刊:
- 影响因子:0
- 作者:
James Austin - 通讯作者:
James Austin
James Austin的其他文献
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