Evidence map›Paper›PMID 23097508›Full record

ArticleProceedings. Biological sciences2012

Continent-wide tracking to determine migratory connectivity and tropical habitat associations of a declining aerial insectivore.

Kevin C Fraser, Bridget J M Stutchbury, Cassandra Silverio, Patrick M Kramer, John Barrow, David Newstead, Nanette Mickle, Bruce F Cousens, J Charlene Lee, Danielle M Morrison and 4 more

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings. Biological sciences, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
10.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

32 citing papers in PubMed, 153 citations in OpenAlex.

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  18. Population trends inProceedings of the National Academy of Sciences of the United States of America · 2018
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors at 5 institutions in 2 countries.

Kevin C FraserDepartment of Biology, York University, 4700 Keele St., Toronto, ON, Canada. fraserkev@gmail.com
Bridget J M Stutchbury
Cassandra Silverio
Patrick M Kramer
John Barrow
David Newstead
Nanette Mickle
Bruce F Cousens
J Charlene Lee
Danielle M Morrison
Tim Shaheen
Paul Mammenga
Kelly Applegate
John Tautin
York University · CAEcological Society of America · USMille Lacs Band of Ojibwe · USNational Audubon Society · USPurple Martin Conservation Association · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

North American birds that feed on flying insects are experiencing steep population declines, particularly long-distance migratory populations in the northern breeding range. We determine, for the first time, the level of migratory connectivity across the range of a songbird using direct tracking of individuals, and test whether declining northern populations have higher exposure to agricultural landscapes at their non-breeding grounds in South America. We used light-level geolocators to track purple martins, Progne subis, originating from North American breeding populations, coast-to-coast (n = 95 individuals). We show that breeding populations of the eastern subspecies, P. s. subis, that are separated by ca. 2000 km, nevertheless have almost completely overlapping non-breeding ranges in Brazil. Most (76%) P. s. subis overwintered in northern Brazil near the Amazon River, not in the agricultural landscape of southern Brazil. Individual non-breeding sites had an average of 91 per cent forest and only 4 per cent agricultural ground cover within a 50 km radius, and birds originating from declining northern breeding populations were not more exposed to agricultural landscapes than stable southern breeding populations. Our results show that differences in wintering location and habitat do not explain recent trends in breeding population declines in this species, and instead northern populations may be constrained in their ability to respond to climate change.

Indexed as

Animal MigrationEcosystemEnvironmentAgricultureAnimalsBrazilCanadaFemaleGeographic Information SystemsMaleRemote Sensing TechnologySeasonsSongbirdsUnited States

Identifiers

PMID23097508
PMCPMC3497251
OpenAlexW1972763838

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.