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共检索到73条 ,权限内显示50条;
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Data from: Migration timing and its determinants for nocturnal migratory birds during autumn migration
- 负责人:
- 关键词:
- body size dietary guild eBird ecological productivity migration distance migration timing optimal migration theory seasonal bird migration weather surveillance radar wind
- DOI:
- doi:10.5061/dryad.40jm7
- 摘要:
- ne the timing of migration. How these factors operate in combination during autumn migration, which is considered to be under weaker time constraints relati
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Data from: Carry-over effects of winter habitat quality on en route timing and condition of a migratory passerine during spring migration
- 负责人:
- DOI:
- doi:10.5061/dryad.bq64c
- 摘要:
- on, measured via stable hydrogen isotopes. The quality of winter habitat strongly influenced the timing of migration when we accounted for differential timing
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Data from: The response of migratory populations to phenological change: a Migratory Flow Network modelling approach
- 负责人:
- DOI:
- doi:10.5061/dryad.s1v61
- 摘要:
- may, however, be able to adjust migration speed en route to the breeding grounds and thus ability of migrants to update their timing of migration ma
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Data from: Increasing photoperiod stimulates initiation of spring migratory behaviour and physiology in a facultative migrant, the pine siskin
- 负责人:
- DOI:
- doi:10.5061/dryad.6j90jp8
- 摘要:
- ) migrations, increasing day length triggers the expression of a spring migratory state and androgens play an important role in stimulating its development
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Data from: The strength of migratory connectivity for birds en route to breeding through the Gulf of Mexico
- 负责人:
- Cohen, Emily
- DOI:
- doi:10.5061/dryad.4s20483
- 摘要:
- by American redstarts. After controlling for breeding origin, the timing of American redstart migration differed among ages and sexes and ovenbird migration timing
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Data from: Individual consistency of long-distance migration in a songbird: significant repeatability of autumn route, stopovers and wintering sites
- 负责人:
- DOI:
- doi:10.5061/dryad.80r64
- 摘要:
- Through new tracking techniques, data on timing and routes of migration in long-distance migrant birds are accumulating. However, studies
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Data from: Programmed and flexible: long-term Zugunruhe data highlight the many axes of variation in avian migratory behaviour
- 负责人:
- Helm, Barbara
- 关键词:
- avian migration migratory restlessness Zugunruhe chronobiology Stonechat age changepoint analysis
- DOI:
- doi:10.5061/dryad.484m0
- 摘要:
- -population differences imply high evolutionary lability of Zugunruhe timing within a robustly structured annual cycle. However, counter to theory, Irish partial migrants
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Why migrate during the day: a comparative analysis of North American birds
- 负责人:
- DOI:
- doi:10.5061/dryad.12d23
- 摘要:
- e associated with migration timing in North American bird species.
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: A characterization of autumn nocturnal migration detected by weather surveillance radars in the northeastern US
- 负责人:
- DOI:
- doi:10.5061/dryad.17209
- 摘要:
- bird migration. Many hourly radar scans contained wind-borne "contamination," and these scans also exhibited generally low overall reflectivities. Hourly scans
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Data from: Connecting the dots: Stopover strategies of an intercontinental migratory songbird in the context of the annual cycle
- 负责人:
- DOI:
- doi:10.5061/dryad.5804c
- 摘要:
- tegies regardless of a bird's time-schedule. Our study demonstrates that migrants adjust their en route strategies in relation to their time-schedule