Collaborative Research: Escalation and the Role of Mass Extinctions in the Cenozoic Evolution of the Naticid Gastropod Predator-Prey System
Collaborative Research: Escalation and the Role of Mass Extinctions in the Cenozoic Evolution of the Naticid Gastropod Predator-Prey System
批准号:
9406479
负责人:
Thor Hansen
金额:
$7.64万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1994
资助国家:
美国
项目状态:
已结题
起止时间:
1994-07-01 至 1998-12-31
中文摘要
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英文摘要
9406479 Hansen In this renewal, PIs will continue to test the escalation hypothesis, in which biological hazards have increased through time, and the adaptations to those pressures have also increased. PIs will continue to look at gastropod drilling frequencies, prey effectiveness, and predator behavior stereotypy based on the record of naticid drillholes. Recovery after a mass extinction is a new focus.
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Integrating Research & Education in Paleontology & Marine Ecology:An Inquiry-based Grade 6-8 Curriculum that Investigates Spatial & Temporal Patterns in Naticid Gastrop
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批准号:0085439
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项目类别:Standard Grant
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资助金额:$10.82万
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财政年份:2000
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负责人:Thor Hansen
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依托单位:
Macrofaunal Extinction Patterns at the Cretaceous-Tertiary Boundary in Texas and Mexico
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批准号:8411202
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项目类别:Continuing Grant
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资助金额:$12.99万
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财政年份:1985
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负责人:Thor Hansen
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依托单位:
国内基金
海外基金
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