Evidence of Latitudinal Migration in Tri-colored Bats, Perimyotis subflavus
Publication Date
February 22, 2012
Journal
PLOS ONE
Authors
Erin E. Fraser, Liam P. Mc Guire, Judith L. Eger, Fred J. Longstaffe, et al
Volume
7
Issue
2
Pages
e31419
DOI
https://dx.plos.org/10.1371/journal.pone.0031419
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0031419
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/22384019
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3284490
Europe PMC
http://europepmc.org/abstract/MED/22384019
Web of Science
000302875500018
Scopus
84857491740
Mendeley
http://www.mendeley.com/research/evidence-latitudinal-migration-tricolored-bats-perimyotis-subflavus
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Mendeley | Further Information

{"title"=>"Evidence of latitudinal migration in tri-colored bats, perimyotis subflavus", "type"=>"journal", "authors"=>[{"first_name"=>"Erin E.", "last_name"=>"Fraser", "scopus_author_id"=>"23090968600"}, {"first_name"=>"Liam P.", "last_name"=>"McGuire", "scopus_author_id"=>"26867876500"}, {"first_name"=>"Judith L.", "last_name"=>"Eger", "scopus_author_id"=>"6701370117"}, {"first_name"=>"Fred J.", "last_name"=>"Longstaffe", "scopus_author_id"=>"7005515085"}, {"first_name"=>"M. Brock", "last_name"=>"Fenton", "scopus_author_id"=>"7103329230"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"pmid"=>"22384019", "doi"=>"10.1371/journal.pone.0031419", "sgr"=>"84857491740", "isbn"=>"1932-6203", "scopus"=>"2-s2.0-84857491740", "issn"=>"19326203", "pui"=>"364330103"}, "id"=>"9c30a7dc-7cbd-3674-81a2-bf70a55f4e1f", "abstract"=>"Annual movements of tri-colored bats (Perimyotis subflavus) are poorly understood. While this species has been considered a regional migrant, some evidence suggests that it may undertake annual latitudinal migrations, similar to other long distance North American migratory bat species. We investigated migration in P. subflavus by conducting stable hydrogen isotope analyses of 184 museum specimen fur samples and comparing these results (dDfur) to published interpolated dD values of collection site growing season precipitation (dDprecip). Results suggest that the male molt period occurred between June 23 and October 16 and 33% of males collected during the presumed non-molt period were south of their location of fur growth. For the same time period, 16% of females were south of their location of fur growth and in general, had not Conclusions/Significance: Methodology/PrincipalFindings: travelled as far as migratory males. There were strong correlations between dDfur from the presumed molt period and both growing season dDprecip (males – r2=0.86; p,0.01; females – r2=0.75; p,0.01), and latitude of collection (males – r2=0.85; p,0.01; females – r2=0.73; p,0.01). Most migrants were collected at the northern (.40uN; males and females) and southern (,35uN; males only) extents of the species’ range. These results indicate a different pattern of migration for this species than previously documented, suggesting that some P. subflavus engage in annual latitudinal migrations and that migratory tendency varies with latitude and between sexes. We suggest that this species’ hibernation ecology makes it particularly susceptible to long winters, making migration from the northern extent of the species’ range to more southern hibernacula preferable for some individuals. Fur dD values for some of the northern individuals may indicate an increase in the currently accepted northern range of this species. Sex-biased differences in migration may be the result of differences in reproductive pressures.", "link"=>"http://www.mendeley.com/research/evidence-latitudinal-migration-tricolored-bats-perimyotis-subflavus", "reader_count"=>69, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>4, "Researcher"=>12, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>11, "Student > Postgraduate"=>3, "Other"=>6, "Student > Master"=>24, "Student > Bachelor"=>4, "Professor"=>1}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>4, "Researcher"=>12, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>11, "Student > Postgraduate"=>3, "Other"=>6, "Student > Master"=>24, "Student > Bachelor"=>4, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Environmental Science"=>15, "Biochemistry, Genetics and Molecular Biology"=>1, "Agricultural and Biological Sciences"=>50, "Social Sciences"=>1}, "reader_count_by_subdiscipline"=>{"Social Sciences"=>{"Social Sciences"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>50}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>2}, "Environmental Science"=>{"Environmental Science"=>15}}, "reader_count_by_country"=>{"Canada"=>1, "Czech Republic"=>1, "United States"=>6, "Brazil"=>2, "United Kingdom"=>2, "Germany"=>1}, "group_count"=>4}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/678029"], "description"=>"<p>The difference between δD<sub>fur</sub> and δD<sub>precip</sub> (ΔD<sub>fur-precip</sub>) for males (panel A) was smallest between June 23 and October 16, as indicated by two vertical lines representing the estimated molt period (<i>n</i> = 111). There was no clear trend in female ΔD<sub>fur-precip</sub> values across seasons (<i>n</i> = 73) (panel B), so the male estimated molt period was applied to females (dashed vertical lines).</p>", "links"=>[], "tags"=>["chemistry", "Computational biology", "ecology"], "article_id"=>348512, "categories"=>["Biological Sciences", "Chemistry", "Ecology"], "users"=>["Erin E. Fraser", "Liam P. McGuire", "Judith L. Eger", "Fred J. Longstaffe", "M. Brock Fenton"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031419.g002", "stats"=>{"downloads"=>0, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Molt_period_estimation_/348512", "title"=>"Molt period estimation.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-02-22 02:21:52"}
  • {"files"=>["https://ndownloader.figshare.com/files/678187"], "description"=>"<p>The δD<sub>fur</sub> values (site mean ± standard deviation) of males collected during the molt period varied significantly with latitude of capture (panel A) and predicted growing season δD<sub>precip</sub> at the location of capture (panel B). The same was true of female molt period δD<sub>fur</sub> values and latitude (panel C) and δD<sub>precip</sub> (panel D). <i>n</i> = 1 to 7 individuals per site. Predicted growing season δD<sub>precip</sub> values were obtained from waterisotopes.org <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone.0031419-Bowen1\" target=\"_blank\">[40]</a>, <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone.0031419-Bowen3\" target=\"_blank\">[44]</a>.</p>", "links"=>[], "tags"=>["molt", "latitude"], "article_id"=>348679, "categories"=>["Biological Sciences", "Chemistry", "Ecology"], "users"=>["Erin E. Fraser", "Liam P. McGuire", "Judith L. Eger", "Fred J. Longstaffe", "M. Brock Fenton"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031419.g003", "stats"=>{"downloads"=>0, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Regressions_between_molt_period_D_fur_and_growing_season_948_D_precip_or_latitude_at_the_collection_sites_/348679", "title"=>"Regressions between molt period δD<sub>fur</sub> and growing season δD<sub>precip</sub> or latitude at the collection sites.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-02-22 02:24:39"}
  • {"files"=>["https://ndownloader.figshare.com/files/678634"], "description"=>"<p>The bat with the δD<sub>furactual-predict</sub> value suggesting that it had migrated the farthest from its latitude of fur growth also had a δD<sub>fur</sub> value indicating that it was from the most northern location (collection site indicated by black circle). It likely originated at a location where the mean growing season δD<sub>precip</sub> composition was between −63 and −74‰ (the area shaded in grey). The lettered points indicate the existing most northern records of <i>Perimyotis subflavus</i> (A = <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone.0031419-Knowles1\" target=\"_blank\">[60]</a>; B = <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone.0031419-Fenton1\" target=\"_blank\">[2]</a>; C = <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone.0031419-Broders1\" target=\"_blank\">[65]</a>). Predicted growing season δD<sub>precip</sub> values were obtained from waterisotopes.org <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone.0031419-Bowen1\" target=\"_blank\">[40]</a>, <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone.0031419-Bowen3\" target=\"_blank\">[44]</a>.</p>", "links"=>[], "tags"=>["farthest"], "article_id"=>349126, "categories"=>["Biological Sciences", "Chemistry", "Ecology"], "users"=>["Erin E. Fraser", "Liam P. McGuire", "Judith L. Eger", "Fred J. Longstaffe", "M. Brock Fenton"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031419.g006", "stats"=>{"downloads"=>1, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Estimated_origin_of_the_farthest_migrant_/349126", "title"=>"Estimated origin of the farthest migrant.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-02-22 02:32:06"}
  • {"files"=>["https://ndownloader.figshare.com/files/346206"], "description"=>"<div><h3>Background</h3><p>Annual movements of tri-colored bats (<em>Perimyotis subflavus</em>) are poorly understood. While this species has been considered a regional migrant, some evidence suggests that it may undertake annual latitudinal migrations, similar to other long distance North American migratory bat species.</p> <h3>Methodology/Principal Findings</h3><p>We investigated migration in <em>P. subflavus</em> by conducting stable hydrogen isotope analyses of 184 museum specimen fur samples and comparing these results (δD<sub>fur</sub>) to published interpolated δD values of collection site growing season precipitation (δD<sub>precip</sub>). <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#s3\">Results</a> suggest that the male molt period occurred between June 23 and October 16 and 33% of males collected during the presumed non-molt period were south of their location of fur growth. For the same time period, 16% of females were south of their location of fur growth and in general, had not travelled as far as migratory males. There were strong correlations between δD<sub>fur</sub> from the presumed molt period and both growing season δD<sub>precip</sub> (males – <em>r</em><sup>2</sup> = 0.86; <em>p</em><0.01; females – <em>r</em><sup>2</sup> = 0.75; <em>p</em><0.01), and latitude of collection (males – <em>r</em><sup>2</sup> = 0.85; <em>p</em><0.01; females – <em>r</em><sup>2</sup> = 0.73; <em>p</em><0.01). Most migrants were collected at the northern (>40°N; males and females) and southern (<35°N; males only) extents of the species' range.</p> <h3>Conclusions/Significance</h3><p>These results indicate a different pattern of migration for this species than previously documented, suggesting that some <em>P. subflavus</em> engage in annual latitudinal migrations and that migratory tendency varies with latitude and between sexes. We suggest that this species' hibernation ecology makes it particularly susceptible to long winters, making migration from the northern extent of the species' range to more southern hibernacula preferable for some individuals. Fur δD values for some of the northern individuals may indicate an increase in the currently accepted northern range of this species. Sex-biased differences in migration may be the result of differences in reproductive pressures.</p> </div>", "links"=>[], "tags"=>["latitudinal", "tri-colored"], "article_id"=>128431, "categories"=>["Biological Sciences", "Chemistry", "Ecology"], "users"=>["Erin E. Fraser", "Liam P. McGuire", "Judith L. Eger", "Fred J. Longstaffe", "M. Brock Fenton"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031419", "stats"=>{"downloads"=>1, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Evidence_of_Latitudinal_Migration_in_Tri_colored_Bats_Perimyotis_subflavus_/128431", "title"=>"Evidence of Latitudinal Migration in Tri-colored Bats, <em>Perimyotis subflavus</em>", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-02-22 02:20:31"}
  • {"files"=>["https://ndownloader.figshare.com/files/677913"], "description"=>"<p>Dorsal fur samples from 184 <i>Perimyotis subflavus</i> museum study skins were sampled from individuals collected across most of the species' range. Each black dot represents a collection location; multiple individuals were collected from some locations.</p>", "links"=>[], "tags"=>["chemistry", "Computational biology", "ecology"], "article_id"=>348398, "categories"=>["Biological Sciences", "Chemistry", "Ecology"], "users"=>["Erin E. Fraser", "Liam P. McGuire", "Judith L. Eger", "Fred J. Longstaffe", "M. Brock Fenton"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031419.g001", "stats"=>{"downloads"=>0, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Tri_colored_bat_Perimyotis_subflavus_collection_sites_/348398", "title"=>"Tri-colored bat (<i>Perimyotis subflavus</i>) collection sites.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-02-22 02:19:58"}
  • {"files"=>["https://ndownloader.figshare.com/files/678332"], "description"=>"<p>The range of variation in molt period ΔD<sub>furactual-predict</sub> values (where “molt period” refers to the estimated molt period shown in <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031419#pone-0031419-g002\" target=\"_blank\">Figure 2</a>) is indicated with horizontal dashed lines. Individuals with ΔD<sub>furactual-predict</sub> values below the horizontal band likely did not grow their fur at their collection site, and are assumed to have migrated from a more northern location. Thirty-three percent of all males (<i>n</i> = 111) (panel A) and 16% of all females (<i>n</i> = 73) (panel B) collected during the non-molt period appeared to be south of their location of fur growth. One non-molt period male and two females appeared to be north of their location of fur growth.</p>", "links"=>[], "tags"=>["latitudinal"], "article_id"=>348825, "categories"=>["Biological Sciences", "Chemistry", "Ecology"], "users"=>["Erin E. Fraser", "Liam P. McGuire", "Judith L. Eger", "Fred J. Longstaffe", "M. Brock Fenton"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031419.g004", "stats"=>{"downloads"=>0, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Identification_of_latitudinal_migrants_/348825", "title"=>"Identification of latitudinal migrants.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-02-22 02:27:05"}
  • {"files"=>["https://ndownloader.figshare.com/files/678473"], "description"=>"<p>ΔD<sub>furactual-predict</sub> values from the non-molt period were more negative than values from the molt period at both northern and southern latitudes for males (<i>n = </i>73) (panel A) and only at northern latitudes for females (<i>n = </i>32) (panel B), indicating southern migration from the latitude of fur growth by these individuals. The range of ΔD<sub>furactual-predict</sub> values from the molt period is indicated by horizontal dashed lines.</p>", "links"=>[], "tags"=>["differences", "migratory"], "article_id"=>348959, "categories"=>["Biological Sciences", "Chemistry", "Ecology"], "users"=>["Erin E. Fraser", "Liam P. McGuire", "Judith L. Eger", "Fred J. Longstaffe", "M. Brock Fenton"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0031419.g005", "stats"=>{"downloads"=>1, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Latitudinal_differences_in_migratory_tendency_/348959", "title"=>"Latitudinal differences in migratory tendency.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-02-22 02:29:19"}

PMC Usage Stats | Further Information

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Relative Metric

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