Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano

Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a f...
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Autor*in:	Morales, Pamela [verfasserIn] Vila, Irma [verfasserIn] Poulin, Elie [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2011

Schlagwörter:	Genetic drift mtDNA Control region Habitat fragmentation Effective population size Freshwater fish

Übergeordnetes Werk:	Enthalten in: Conservation genetics - Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000, 12(2011), 6 vom: 10. Aug., Seite 1639-1643
Übergeordnetes Werk:	volume:12 ; year:2011 ; number:6 ; day:10 ; month:08 ; pages:1639-1643

Links:	Volltext

DOI / URN:	10.1007/s10592-011-0245-6

Katalog-ID:	SPR011579129

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245	1	0	\|a Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano
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520			\|a Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments.
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650		4	\|a Effective population size \|7 (dpeaa)DE-He213
650		4	\|a Freshwater fish \|7 (dpeaa)DE-He213
700	1		\|a Vila, Irma \|e verfasserin \|4 aut
700	1		\|a Poulin, Elie \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Conservation genetics \|d Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 \|g 12(2011), 6 vom: 10. Aug., Seite 1639-1643 \|w (DE-627)320525198 \|w (DE-600)2015081-7 \|x 1572-9737 \|7 nnns
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allfields	10.1007/s10592-011-0245-6 doi (DE-627)SPR011579129 (SPR)s10592-011-0245-6-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Morales, Pamela verfasserin aut Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments. Genetic drift (dpeaa)DE-He213 mtDNA Control region (dpeaa)DE-He213 Habitat fragmentation (dpeaa)DE-He213 Effective population size (dpeaa)DE-He213 Freshwater fish (dpeaa)DE-He213 Vila, Irma verfasserin aut Poulin, Elie verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 12(2011), 6 vom: 10. Aug., Seite 1639-1643 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:12 year:2011 number:6 day:10 month:08 pages:1639-1643 https://dx.doi.org/10.1007/s10592-011-0245-6 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 12 2011 6 10 08 1639-1643
spelling	10.1007/s10592-011-0245-6 doi (DE-627)SPR011579129 (SPR)s10592-011-0245-6-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Morales, Pamela verfasserin aut Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments. Genetic drift (dpeaa)DE-He213 mtDNA Control region (dpeaa)DE-He213 Habitat fragmentation (dpeaa)DE-He213 Effective population size (dpeaa)DE-He213 Freshwater fish (dpeaa)DE-He213 Vila, Irma verfasserin aut Poulin, Elie verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 12(2011), 6 vom: 10. Aug., Seite 1639-1643 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:12 year:2011 number:6 day:10 month:08 pages:1639-1643 https://dx.doi.org/10.1007/s10592-011-0245-6 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 12 2011 6 10 08 1639-1643
allfields_unstemmed	10.1007/s10592-011-0245-6 doi (DE-627)SPR011579129 (SPR)s10592-011-0245-6-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Morales, Pamela verfasserin aut Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments. Genetic drift (dpeaa)DE-He213 mtDNA Control region (dpeaa)DE-He213 Habitat fragmentation (dpeaa)DE-He213 Effective population size (dpeaa)DE-He213 Freshwater fish (dpeaa)DE-He213 Vila, Irma verfasserin aut Poulin, Elie verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 12(2011), 6 vom: 10. Aug., Seite 1639-1643 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:12 year:2011 number:6 day:10 month:08 pages:1639-1643 https://dx.doi.org/10.1007/s10592-011-0245-6 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 12 2011 6 10 08 1639-1643
allfieldsGer	10.1007/s10592-011-0245-6 doi (DE-627)SPR011579129 (SPR)s10592-011-0245-6-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Morales, Pamela verfasserin aut Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments. Genetic drift (dpeaa)DE-He213 mtDNA Control region (dpeaa)DE-He213 Habitat fragmentation (dpeaa)DE-He213 Effective population size (dpeaa)DE-He213 Freshwater fish (dpeaa)DE-He213 Vila, Irma verfasserin aut Poulin, Elie verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 12(2011), 6 vom: 10. Aug., Seite 1639-1643 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:12 year:2011 number:6 day:10 month:08 pages:1639-1643 https://dx.doi.org/10.1007/s10592-011-0245-6 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 12 2011 6 10 08 1639-1643
allfieldsSound	10.1007/s10592-011-0245-6 doi (DE-627)SPR011579129 (SPR)s10592-011-0245-6-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Morales, Pamela verfasserin aut Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments. Genetic drift (dpeaa)DE-He213 mtDNA Control region (dpeaa)DE-He213 Habitat fragmentation (dpeaa)DE-He213 Effective population size (dpeaa)DE-He213 Freshwater fish (dpeaa)DE-He213 Vila, Irma verfasserin aut Poulin, Elie verfasserin aut Enthalten in Conservation genetics Dordrecht [u.a.] : Springer Science + Business Media B.V., 2000 12(2011), 6 vom: 10. Aug., Seite 1639-1643 (DE-627)320525198 (DE-600)2015081-7 1572-9737 nnns volume:12 year:2011 number:6 day:10 month:08 pages:1639-1643 https://dx.doi.org/10.1007/s10592-011-0245-6 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 12 2011 6 10 08 1639-1643
language	English
source	Enthalten in Conservation genetics 12(2011), 6 vom: 10. Aug., Seite 1639-1643 volume:12 year:2011 number:6 day:10 month:08 pages:1639-1643
sourceStr	Enthalten in Conservation genetics 12(2011), 6 vom: 10. Aug., Seite 1639-1643 volume:12 year:2011 number:6 day:10 month:08 pages:1639-1643
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Genetic drift mtDNA Control region Habitat fragmentation Effective population size Freshwater fish
dewey-raw	570
isfreeaccess_bool	false
container_title	Conservation genetics
authorswithroles_txt_mv	Morales, Pamela @@aut@@ Vila, Irma @@aut@@ Poulin, Elie @@aut@@
publishDateDaySort_date	2011-08-10T00:00:00Z
hierarchy_top_id	320525198
dewey-sort	3570
id	SPR011579129
language_de	englisch
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author	Morales, Pamela
spellingShingle	Morales, Pamela ddc 570 bkl 42.00 misc Genetic drift misc mtDNA Control region misc Habitat fragmentation misc Effective population size misc Freshwater fish Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano
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topic_title	570 ASE 42.00 bkl Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano Genetic drift (dpeaa)DE-He213 mtDNA Control region (dpeaa)DE-He213 Habitat fragmentation (dpeaa)DE-He213 Effective population size (dpeaa)DE-He213 Freshwater fish (dpeaa)DE-He213
topic	ddc 570 bkl 42.00 misc Genetic drift misc mtDNA Control region misc Habitat fragmentation misc Effective population size misc Freshwater fish
topic_unstemmed	ddc 570 bkl 42.00 misc Genetic drift misc mtDNA Control region misc Habitat fragmentation misc Effective population size misc Freshwater fish
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title	Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano
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title_full	Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano
author_sort	Morales, Pamela
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author_browse	Morales, Pamela Vila, Irma Poulin, Elie
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title_sort	genetic structure in remnant populations of an endangered cyprinodontid fish, orestias ascotanensis, endemic to the ascotán salt pan of the altiplano
title_auth	Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano
abstract	Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments.
abstractGer	Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments.
abstract_unstemmed	Abstract The impact of recent habitat fragmentation on population genetic diversity and structure has often been studied, mainly related to anthropogenic causes; however its long-term effect has been much less evaluated. In this study we analyzed the genetic variability of Orestias ascotanensis, a fish endemic to the Ascotán salt pan of Chile. This species, which formed a single and large population during the last wet period that ended 10,000 years ago, is currently represented by small populations inhabiting freshwater springs on the eastern border of the salt pan. Therefore, this species represents a unique model to evaluate the consequences of a drastic habitat fragmentation process that initiated thousands of years ago. Analysis of the control region of the mitochondrial DNA revealed high genetic diversity (haplotipic diversity ranged between 0.78 and 0.94) and marked differences among populations ($ Φ_{ST} $ = 0.46). Estimated effective population sizes greatly surpassed the real sizes, particularly among springs that remained connected. These results reflect the long-term consequences of habitat fragmentation on natural populations: structuring of the populations and loss of genetic diversity of the isolated fragments.
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title_short	Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano
url	https://dx.doi.org/10.1007/s10592-011-0245-6
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Genetic structure in remnant populations of an endangered cyprinodontid fish, Orestias ascotanensis, endemic to the Ascotán salt pan of the Altiplano

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