Effects of damming on population sustainability of Chinese sturgeon, Acipenser sinensis: evaluation of optimal conservation measures
Identifieur interne : 000122 ( PascalFrancis/Corpus ); précédent : 000121; suivant : 000123Effects of damming on population sustainability of Chinese sturgeon, Acipenser sinensis: evaluation of optimal conservation measures
Auteurs : XIN GAO ; Sebastien Brosse ; YONGBO CHEN ; Sovan Lek ; JIANBO CHANGSource :
- Environmental biology of fishes [ 0378-1909 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The numbers of spawning sites for Chinese sturgeon have been drastically reduced since the construction of the Gezhouba Dam across the Yangtze River. This dam has blocked migration of Chinese sturgeon to their historic spawning ground causing a significant decline of the Chinese sturgeon population. We conducted a VORTEX population viability analysis to estimate the sustainability of the population and to quantify the efficiency of current and alternative conservation procedures. The model predicted the observed decline of Chinese sturgeon, resulting from the effect of the Gezhouba Dam. These simulations demonstrated the potential interest of two conservation measures: increasing spawning area and reducing predation on sturgeon eggs. The simulations also demonstrated that the actual restocking program is not sufficient to sustain sturgeon population as the artificial reproduction program induce the loss of more wild mature adults that the recruitment expected by the artificial reproduction.
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Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 10-0032708 INIST |
---|---|
ET : | Effects of damming on population sustainability of Chinese sturgeon, Acipenser sinensis: evaluation of optimal conservation measures |
AU : | XIN GAO; BROSSE (Sebastien); YONGBO CHEN; LEK (Sovan); JIANBO CHANG |
AF : | Institute of Hydrobiology, Chinese Academy of Sciences, 7th southern road of East Lake/Wuhan, Hubei Province 430072/Chine (1 aut., 3 aut., 5 aut.); Graduate University of Chinese Academy of Sciences/Beijing 100039/Chine (1 aut., 3 aut.); EDB, UMR 5174, CNRS - 118, University of Toulouse 3, route de Narbonne/31 062 Toulouse/France (2 aut., 4 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Environmental biology of fishes; ISSN 0378-1909; Coden EBFID3; Pays-Bas; Da. 2009; Vol. 86; No. 2; Pp. 325-336; Bibl. 1 p.1/4 |
LA : | Anglais |
EA : | The numbers of spawning sites for Chinese sturgeon have been drastically reduced since the construction of the Gezhouba Dam across the Yangtze River. This dam has blocked migration of Chinese sturgeon to their historic spawning ground causing a significant decline of the Chinese sturgeon population. We conducted a VORTEX population viability analysis to estimate the sustainability of the population and to quantify the efficiency of current and alternative conservation procedures. The model predicted the observed decline of Chinese sturgeon, resulting from the effect of the Gezhouba Dam. These simulations demonstrated the potential interest of two conservation measures: increasing spawning area and reducing predation on sturgeon eggs. The simulations also demonstrated that the actual restocking program is not sufficient to sustain sturgeon population as the artificial reproduction program induce the loss of more wild mature adults that the recruitment expected by the artificial reproduction. |
CC : | 002A14B02C2A; 001D14L03; 295 |
FD : | Conservation; Viabilité; Tourbillon; Barrage; Site reproduction; Perte; Pisces; Acipenser sinensis; Rivière Yangtze |
FG : | Vertebrata |
ED : | Conservation; Viability; Vortex; Dam; Breeding site; Loss; Pisces; Yangtze River |
EG : | Vertebrata |
SD : | Conservación; Viabilidad; Torbellino; Presa; Lugar reproducción; Pérdida; Pisces |
LO : | INIST-17564.354000171670170110 |
ID : | 10-0032708 |
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Pascal:10-0032708Le document en format XML
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<front><div type="abstract" xml:lang="en">The numbers of spawning sites for Chinese sturgeon have been drastically reduced since the construction of the Gezhouba Dam across the Yangtze River. This dam has blocked migration of Chinese sturgeon to their historic spawning ground causing a significant decline of the Chinese sturgeon population. We conducted a VORTEX population viability analysis to estimate the sustainability of the population and to quantify the efficiency of current and alternative conservation procedures. The model predicted the observed decline of Chinese sturgeon, resulting from the effect of the Gezhouba Dam. These simulations demonstrated the potential interest of two conservation measures: increasing spawning area and reducing predation on sturgeon eggs. The simulations also demonstrated that the actual restocking program is not sufficient to sustain sturgeon population as the artificial reproduction program induce the loss of more wild mature adults that the recruitment expected by the artificial reproduction.</div>
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<server><NO>PASCAL 10-0032708 INIST</NO>
<ET>Effects of damming on population sustainability of Chinese sturgeon, Acipenser sinensis: evaluation of optimal conservation measures</ET>
<AU>XIN GAO; BROSSE (Sebastien); YONGBO CHEN; LEK (Sovan); JIANBO CHANG</AU>
<AF>Institute of Hydrobiology, Chinese Academy of Sciences, 7th southern road of East Lake/Wuhan, Hubei Province 430072/Chine (1 aut., 3 aut., 5 aut.); Graduate University of Chinese Academy of Sciences/Beijing 100039/Chine (1 aut., 3 aut.); EDB, UMR 5174, CNRS - 118, University of Toulouse 3, route de Narbonne/31 062 Toulouse/France (2 aut., 4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
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<LA>Anglais</LA>
<EA>The numbers of spawning sites for Chinese sturgeon have been drastically reduced since the construction of the Gezhouba Dam across the Yangtze River. This dam has blocked migration of Chinese sturgeon to their historic spawning ground causing a significant decline of the Chinese sturgeon population. We conducted a VORTEX population viability analysis to estimate the sustainability of the population and to quantify the efficiency of current and alternative conservation procedures. The model predicted the observed decline of Chinese sturgeon, resulting from the effect of the Gezhouba Dam. These simulations demonstrated the potential interest of two conservation measures: increasing spawning area and reducing predation on sturgeon eggs. The simulations also demonstrated that the actual restocking program is not sufficient to sustain sturgeon population as the artificial reproduction program induce the loss of more wild mature adults that the recruitment expected by the artificial reproduction.</EA>
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