Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis)
Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island....
Ausführliche Beschreibung
Autor*in: |
Schulwitz, Sarah [verfasserIn] Castaño, Paula A. [verfasserIn] Mosquera, Denis [verfasserIn] Chugcho, Milton [verfasserIn] Campbell, Karl J. [verfasserIn] Johnson, Jeff A. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2017 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Conservation genetics - Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000, 19(2017), 1 vom: 01. Sept., Seite 193-205 |
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Übergeordnetes Werk: |
volume:19 ; year:2017 ; number:1 ; day:01 ; month:09 ; pages:193-205 |
Links: |
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DOI / URN: |
10.1007/s10592-017-1007-x |
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Katalog-ID: |
SPR011587342 |
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520 | |a Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. | ||
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650 | 4 | |a Asio flammeus |7 (dpeaa)DE-He213 | |
650 | 4 | |a Floreana Island |7 (dpeaa)DE-He213 | |
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700 | 1 | |a Castaño, Paula A. |e verfasserin |4 aut | |
700 | 1 | |a Mosquera, Denis |e verfasserin |4 aut | |
700 | 1 | |a Chugcho, Milton |e verfasserin |4 aut | |
700 | 1 | |a Campbell, Karl J. |e verfasserin |4 aut | |
700 | 1 | |a Johnson, Jeff A. |e verfasserin |4 aut | |
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10.1007/s10592-017-1007-x doi (DE-627)SPR011587342 (SPR)s10592-017-1007-x-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Schulwitz, Sarah verfasserin aut Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. Galápagos Short-eared Owl (dpeaa)DE-He213 Asio flammeus (dpeaa)DE-He213 Floreana Island (dpeaa)DE-He213 Santa Cruz (dpeaa)DE-He213 Conservation (dpeaa)DE-He213 Galápagos (dpeaa)DE-He213 Castaño, Paula A. verfasserin aut Mosquera, Denis verfasserin aut Chugcho, Milton verfasserin aut Campbell, Karl J. verfasserin aut Johnson, Jeff A. verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 19(2017), 1 vom: 01. Sept., Seite 193-205 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:19 year:2017 number:1 day:01 month:09 pages:193-205 https://dx.doi.org/10.1007/s10592-017-1007-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.00 ASE AR 19 2017 1 01 09 193-205 |
spelling |
10.1007/s10592-017-1007-x doi (DE-627)SPR011587342 (SPR)s10592-017-1007-x-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Schulwitz, Sarah verfasserin aut Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. Galápagos Short-eared Owl (dpeaa)DE-He213 Asio flammeus (dpeaa)DE-He213 Floreana Island (dpeaa)DE-He213 Santa Cruz (dpeaa)DE-He213 Conservation (dpeaa)DE-He213 Galápagos (dpeaa)DE-He213 Castaño, Paula A. verfasserin aut Mosquera, Denis verfasserin aut Chugcho, Milton verfasserin aut Campbell, Karl J. verfasserin aut Johnson, Jeff A. verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 19(2017), 1 vom: 01. Sept., Seite 193-205 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:19 year:2017 number:1 day:01 month:09 pages:193-205 https://dx.doi.org/10.1007/s10592-017-1007-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.00 ASE AR 19 2017 1 01 09 193-205 |
allfields_unstemmed |
10.1007/s10592-017-1007-x doi (DE-627)SPR011587342 (SPR)s10592-017-1007-x-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Schulwitz, Sarah verfasserin aut Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. Galápagos Short-eared Owl (dpeaa)DE-He213 Asio flammeus (dpeaa)DE-He213 Floreana Island (dpeaa)DE-He213 Santa Cruz (dpeaa)DE-He213 Conservation (dpeaa)DE-He213 Galápagos (dpeaa)DE-He213 Castaño, Paula A. verfasserin aut Mosquera, Denis verfasserin aut Chugcho, Milton verfasserin aut Campbell, Karl J. verfasserin aut Johnson, Jeff A. verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 19(2017), 1 vom: 01. Sept., Seite 193-205 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:19 year:2017 number:1 day:01 month:09 pages:193-205 https://dx.doi.org/10.1007/s10592-017-1007-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.00 ASE AR 19 2017 1 01 09 193-205 |
allfieldsGer |
10.1007/s10592-017-1007-x doi (DE-627)SPR011587342 (SPR)s10592-017-1007-x-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Schulwitz, Sarah verfasserin aut Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. Galápagos Short-eared Owl (dpeaa)DE-He213 Asio flammeus (dpeaa)DE-He213 Floreana Island (dpeaa)DE-He213 Santa Cruz (dpeaa)DE-He213 Conservation (dpeaa)DE-He213 Galápagos (dpeaa)DE-He213 Castaño, Paula A. verfasserin aut Mosquera, Denis verfasserin aut Chugcho, Milton verfasserin aut Campbell, Karl J. verfasserin aut Johnson, Jeff A. verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 19(2017), 1 vom: 01. Sept., Seite 193-205 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:19 year:2017 number:1 day:01 month:09 pages:193-205 https://dx.doi.org/10.1007/s10592-017-1007-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.00 ASE AR 19 2017 1 01 09 193-205 |
allfieldsSound |
10.1007/s10592-017-1007-x doi (DE-627)SPR011587342 (SPR)s10592-017-1007-x-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Schulwitz, Sarah verfasserin aut Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. Galápagos Short-eared Owl (dpeaa)DE-He213 Asio flammeus (dpeaa)DE-He213 Floreana Island (dpeaa)DE-He213 Santa Cruz (dpeaa)DE-He213 Conservation (dpeaa)DE-He213 Galápagos (dpeaa)DE-He213 Castaño, Paula A. verfasserin aut Mosquera, Denis verfasserin aut Chugcho, Milton verfasserin aut Campbell, Karl J. verfasserin aut Johnson, Jeff A. verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 19(2017), 1 vom: 01. Sept., Seite 193-205 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:19 year:2017 number:1 day:01 month:09 pages:193-205 https://dx.doi.org/10.1007/s10592-017-1007-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.00 ASE AR 19 2017 1 01 09 193-205 |
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English |
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Enthalten in Conservation genetics 19(2017), 1 vom: 01. Sept., Seite 193-205 volume:19 year:2017 number:1 day:01 month:09 pages:193-205 |
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Enthalten in Conservation genetics 19(2017), 1 vom: 01. Sept., Seite 193-205 volume:19 year:2017 number:1 day:01 month:09 pages:193-205 |
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Galápagos Short-eared Owl Asio flammeus Floreana Island Santa Cruz Conservation Galápagos |
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Conservation genetics |
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Schulwitz, Sarah @@aut@@ Castaño, Paula A. @@aut@@ Mosquera, Denis @@aut@@ Chugcho, Milton @@aut@@ Campbell, Karl J. @@aut@@ Johnson, Jeff A. @@aut@@ |
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2017-09-01T00:00:00Z |
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One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. 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Schulwitz, Sarah |
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Schulwitz, Sarah ddc 570 bkl 42.00 misc Galápagos Short-eared Owl misc Asio flammeus misc Floreana Island misc Santa Cruz misc Conservation misc Galápagos Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) |
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570 ASE 42.00 bkl Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) Galápagos Short-eared Owl (dpeaa)DE-He213 Asio flammeus (dpeaa)DE-He213 Floreana Island (dpeaa)DE-He213 Santa Cruz (dpeaa)DE-He213 Conservation (dpeaa)DE-He213 Galápagos (dpeaa)DE-He213 |
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Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) |
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Schulwitz, Sarah Castaño, Paula A. Mosquera, Denis Chugcho, Milton Campbell, Karl J. Johnson, Jeff A. |
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floreana island re-colonization potential of the galápagos short-eared owl (asio flammeus galapagoensis) |
title_auth |
Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) |
abstract |
Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. |
abstractGer |
Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. |
abstract_unstemmed |
Abstract Non-native invasive species threaten Galápagos’ endemic biodiversity, and increasing efforts are underway to protect its species from further harm. One such project is focused on the eradication of invasive rodents using rodenticide bait on Floreana, the archipelago’s sixth largest island. Short-eared owls (Asio flammeus galapagoensis) that consume poisoned rodents will, therefore, be at risk of secondary poisoning. If negatively impacted, it is not known to what degree the Floreana Island short-earned owl population is isolated, and whether potential re-colonization exists from its closest neighboring large population on Santa Cruz. Based on eight microsatellite loci and mtDNA control region sequence data from museum and contemporary samples, the short-eared owl populations on Floreana and Santa Cruz are not isolated from each other. However, gene flow is asymmetric from Floreana to Santa Cruz and not in the opposite direction. Morphometric data, including tarsus and bill size, and behavioral observations corroborate the genetic results and suggest that the Floreana population may possess unique traits compared to neighboring populations. For example, Floreana short-eared owls are more crepuscular than neighboring islands, which are predominately nocturnal, and were also non-responsive to inter-island call back recordings. Therefore, these results have important management implications concerning short-eared owl persistence on Floreana following rodenticide application. We recommend that managers implement additional precautions to protect the short-eared owl population until the risk of secondary poisoning has passed such as maintaining individuals in captivity. This study provides no evidence to suggest that short-eared owls are likely to disperse from Floreana’s closest large population on Santa Cruz if the local population is negatively impacted by rodenticide exposure, and the observed morphological and behavioral traits argue against translocating owls between islands. |
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container_issue |
1 |
title_short |
Floreana Island re-colonization potential of the Galápagos short-eared owl (Asio flammeus galapagoensis) |
url |
https://dx.doi.org/10.1007/s10592-017-1007-x |
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Castaño, Paula A. Mosquera, Denis Chugcho, Milton Campbell, Karl J. Johnson, Jeff A. |
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up_date |
2024-07-03T23:30:16.271Z |
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score |
7.4005556 |