Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland

Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds o...
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Autor*in:	Saurola, P. [verfasserIn] Francis, C. M. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch ; Spanisch

Erschienen:	2004

Schlagwörter:	Amateur ringers Natal dispersal Population modelling Mark–recapture analysis Tawny Owl Ural Owl Tengmalm’s Owl

Übergeordnetes Werk:	In: Animal Biodiversity and Conservation - Museu de Ciències Naturals de Barcelona, 2005, 27(2004), 1, Seite 403-415
Übergeordnetes Werk:	volume:27 ; year:2004 ; number:1 ; pages:403-415

Links:	Link aufrufen Link aufrufen Journal toc

Katalog-ID:	DOAJ047309989

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spelling	(DE-627)DOAJ047309989 (DE-599)DOAJe362469739b642359914f1f189b7ca5e DE-627 ger DE-627 rakwb eng spa QL1-991 Saurola, P. verfasserin aut Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds of prey, especially cavity–nesting owls. In addition to ringing nestlings and adults, ringers also provide data on population trends and breeding success. The resultant data indicate that numbers of breeding pairs fluctuated with the 3–4 year microtine cycle, but without any long–term trend. Mean productivity per nest varied from 2.18 to 3.33 fledglings per active nest in Tawny Owls, 1.56 to 2.87 in Ural Owls and 1.78 to 4.32 in Tengmalm’s Owls. Survival and breeding propensity also varied with the vole cycle and explained much of the observed variation in breeding populations. Observed median dispersal distances were 24 and 18 km for Ural and Tawny Owls respectively, but increased to 36 and 48 km, using a method presented here to adjust for uneven sampling effort, highlighting the importance of considering sampling effort when estimating dispersal. Amateur ringers Natal dispersal Population modelling Mark–recapture analysis Tawny Owl Ural Owl Tengmalm’s Owl Zoology Francis, C. M. verfasserin aut In Animal Biodiversity and Conservation Museu de Ciències Naturals de Barcelona, 2005 27(2004), 1, Seite 403-415 (DE-627)470958855 (DE-600)2166591-6 2014928X nnns volume:27 year:2004 number:1 pages:403-415 https://doaj.org/article/e362469739b642359914f1f189b7ca5e kostenfrei http://abc.museucienciesjournals.cat/files/ABC-27-1-pp-403-415.pdf kostenfrei https://doaj.org/toc/1578-665X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 27 2004 1 403-415
allfields_unstemmed	(DE-627)DOAJ047309989 (DE-599)DOAJe362469739b642359914f1f189b7ca5e DE-627 ger DE-627 rakwb eng spa QL1-991 Saurola, P. verfasserin aut Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds of prey, especially cavity–nesting owls. In addition to ringing nestlings and adults, ringers also provide data on population trends and breeding success. The resultant data indicate that numbers of breeding pairs fluctuated with the 3–4 year microtine cycle, but without any long–term trend. Mean productivity per nest varied from 2.18 to 3.33 fledglings per active nest in Tawny Owls, 1.56 to 2.87 in Ural Owls and 1.78 to 4.32 in Tengmalm’s Owls. Survival and breeding propensity also varied with the vole cycle and explained much of the observed variation in breeding populations. Observed median dispersal distances were 24 and 18 km for Ural and Tawny Owls respectively, but increased to 36 and 48 km, using a method presented here to adjust for uneven sampling effort, highlighting the importance of considering sampling effort when estimating dispersal. Amateur ringers Natal dispersal Population modelling Mark–recapture analysis Tawny Owl Ural Owl Tengmalm’s Owl Zoology Francis, C. M. verfasserin aut In Animal Biodiversity and Conservation Museu de Ciències Naturals de Barcelona, 2005 27(2004), 1, Seite 403-415 (DE-627)470958855 (DE-600)2166591-6 2014928X nnns volume:27 year:2004 number:1 pages:403-415 https://doaj.org/article/e362469739b642359914f1f189b7ca5e kostenfrei http://abc.museucienciesjournals.cat/files/ABC-27-1-pp-403-415.pdf kostenfrei https://doaj.org/toc/1578-665X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 27 2004 1 403-415
allfieldsGer	(DE-627)DOAJ047309989 (DE-599)DOAJe362469739b642359914f1f189b7ca5e DE-627 ger DE-627 rakwb eng spa QL1-991 Saurola, P. verfasserin aut Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds of prey, especially cavity–nesting owls. In addition to ringing nestlings and adults, ringers also provide data on population trends and breeding success. The resultant data indicate that numbers of breeding pairs fluctuated with the 3–4 year microtine cycle, but without any long–term trend. Mean productivity per nest varied from 2.18 to 3.33 fledglings per active nest in Tawny Owls, 1.56 to 2.87 in Ural Owls and 1.78 to 4.32 in Tengmalm’s Owls. Survival and breeding propensity also varied with the vole cycle and explained much of the observed variation in breeding populations. Observed median dispersal distances were 24 and 18 km for Ural and Tawny Owls respectively, but increased to 36 and 48 km, using a method presented here to adjust for uneven sampling effort, highlighting the importance of considering sampling effort when estimating dispersal. Amateur ringers Natal dispersal Population modelling Mark–recapture analysis Tawny Owl Ural Owl Tengmalm’s Owl Zoology Francis, C. M. verfasserin aut In Animal Biodiversity and Conservation Museu de Ciències Naturals de Barcelona, 2005 27(2004), 1, Seite 403-415 (DE-627)470958855 (DE-600)2166591-6 2014928X nnns volume:27 year:2004 number:1 pages:403-415 https://doaj.org/article/e362469739b642359914f1f189b7ca5e kostenfrei http://abc.museucienciesjournals.cat/files/ABC-27-1-pp-403-415.pdf kostenfrei https://doaj.org/toc/1578-665X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 27 2004 1 403-415
allfieldsSound	(DE-627)DOAJ047309989 (DE-599)DOAJe362469739b642359914f1f189b7ca5e DE-627 ger DE-627 rakwb eng spa QL1-991 Saurola, P. verfasserin aut Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds of prey, especially cavity–nesting owls. In addition to ringing nestlings and adults, ringers also provide data on population trends and breeding success. The resultant data indicate that numbers of breeding pairs fluctuated with the 3–4 year microtine cycle, but without any long–term trend. Mean productivity per nest varied from 2.18 to 3.33 fledglings per active nest in Tawny Owls, 1.56 to 2.87 in Ural Owls and 1.78 to 4.32 in Tengmalm’s Owls. Survival and breeding propensity also varied with the vole cycle and explained much of the observed variation in breeding populations. Observed median dispersal distances were 24 and 18 km for Ural and Tawny Owls respectively, but increased to 36 and 48 km, using a method presented here to adjust for uneven sampling effort, highlighting the importance of considering sampling effort when estimating dispersal. Amateur ringers Natal dispersal Population modelling Mark–recapture analysis Tawny Owl Ural Owl Tengmalm’s Owl Zoology Francis, C. M. verfasserin aut In Animal Biodiversity and Conservation Museu de Ciències Naturals de Barcelona, 2005 27(2004), 1, Seite 403-415 (DE-627)470958855 (DE-600)2166591-6 2014928X nnns volume:27 year:2004 number:1 pages:403-415 https://doaj.org/article/e362469739b642359914f1f189b7ca5e kostenfrei http://abc.museucienciesjournals.cat/files/ABC-27-1-pp-403-415.pdf kostenfrei https://doaj.org/toc/1578-665X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 27 2004 1 403-415
language	English Spanish
source	In Animal Biodiversity and Conservation 27(2004), 1, Seite 403-415 volume:27 year:2004 number:1 pages:403-415
sourceStr	In Animal Biodiversity and Conservation 27(2004), 1, Seite 403-415 volume:27 year:2004 number:1 pages:403-415
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Amateur ringers Natal dispersal Population modelling Mark–recapture analysis Tawny Owl Ural Owl Tengmalm’s Owl Zoology
isfreeaccess_bool	true
container_title	Animal Biodiversity and Conservation
authorswithroles_txt_mv	Saurola, P. @@aut@@ Francis, C. M. @@aut@@
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author	Saurola, P.
spellingShingle	Saurola, P. misc QL1-991 misc Amateur ringers misc Natal dispersal misc Population modelling misc Mark–recapture analysis misc Tawny Owl misc Ural Owl misc Tengmalm’s Owl misc Zoology Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland
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topic_title	QL1-991 Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland Amateur ringers Natal dispersal Population modelling Mark–recapture analysis Tawny Owl Ural Owl Tengmalm’s Owl
topic	misc QL1-991 misc Amateur ringers misc Natal dispersal misc Population modelling misc Mark–recapture analysis misc Tawny Owl misc Ural Owl misc Tengmalm’s Owl misc Zoology
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title	Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland
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title_full	Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland
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title_sort	estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in finland
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title_auth	Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland
abstract	Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds of prey, especially cavity–nesting owls. In addition to ringing nestlings and adults, ringers also provide data on population trends and breeding success. The resultant data indicate that numbers of breeding pairs fluctuated with the 3–4 year microtine cycle, but without any long–term trend. Mean productivity per nest varied from 2.18 to 3.33 fledglings per active nest in Tawny Owls, 1.56 to 2.87 in Ural Owls and 1.78 to 4.32 in Tengmalm’s Owls. Survival and breeding propensity also varied with the vole cycle and explained much of the observed variation in breeding populations. Observed median dispersal distances were 24 and 18 km for Ural and Tawny Owls respectively, but increased to 36 and 48 km, using a method presented here to adjust for uneven sampling effort, highlighting the importance of considering sampling effort when estimating dispersal.
abstractGer	Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds of prey, especially cavity–nesting owls. In addition to ringing nestlings and adults, ringers also provide data on population trends and breeding success. The resultant data indicate that numbers of breeding pairs fluctuated with the 3–4 year microtine cycle, but without any long–term trend. Mean productivity per nest varied from 2.18 to 3.33 fledglings per active nest in Tawny Owls, 1.56 to 2.87 in Ural Owls and 1.78 to 4.32 in Tengmalm’s Owls. Survival and breeding propensity also varied with the vole cycle and explained much of the observed variation in breeding populations. Observed median dispersal distances were 24 and 18 km for Ural and Tawny Owls respectively, but increased to 36 and 48 km, using a method presented here to adjust for uneven sampling effort, highlighting the importance of considering sampling effort when estimating dispersal.
abstract_unstemmed	Amateur bird ringers can collect data at a geographic and temporal scale that is rarely possible with professional field crews, thus allowing truly national analyses of population dynamics and dispersal. Since the early 1970s, bird ringers in Finland have been strongly encouraged to focus on birds of prey, especially cavity–nesting owls. In addition to ringing nestlings and adults, ringers also provide data on population trends and breeding success. The resultant data indicate that numbers of breeding pairs fluctuated with the 3–4 year microtine cycle, but without any long–term trend. Mean productivity per nest varied from 2.18 to 3.33 fledglings per active nest in Tawny Owls, 1.56 to 2.87 in Ural Owls and 1.78 to 4.32 in Tengmalm’s Owls. Survival and breeding propensity also varied with the vole cycle and explained much of the observed variation in breeding populations. Observed median dispersal distances were 24 and 18 km for Ural and Tawny Owls respectively, but increased to 36 and 48 km, using a method presented here to adjust for uneven sampling effort, highlighting the importance of considering sampling effort when estimating dispersal.
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title_short	Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland
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Estimating population dynamics and dispersal distances of owls from nationally coordinated ringing data in Finland

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