51813_Sturgeon biodioversity an.PDF

Kessler,K.F. 1872. On aremarkablefish of the family ofstur- Pechnikova,N.V.1964.Results of acclimatization of theAral Sea geons ...

Environmental Biology of Fishes 48:381-383, 1997. © 1997 Kluwer Academic Publishers. Printed in the Netherlands. Threatened fish ...

Pseudoscaphirhynchus hermanni(Kessler,1877) Common names: Small Amu-Dar shovelnose sturgeon (E), Petit nez-pelle delAmoudaria(F) ...

Kessler, K. E 1872. O n aremarkablefish of the family ofsturgeons discovered by A. P.Fedtchenko in the Syr DaryaRiver.Izvestiya ...

Head fromventral and right side ofAcipenseroxyrinchus200 cm T Ljuvenile,from St.LawrenceRiver atKamouraska,Quebec,which now resi ...

Environment Biology of fishes 48:335-398, 1997. © 1997 KluwerAcademicPublishers.Printed in theNetherlands. Molecular analysis in ...

thesetechniques may be applied. Additionally, we Moreover,variation in thesize of mtDNAwithin present agenetic comparison betwee ...

Figure I. Comparison of mtDNA control region sequence from Acipenser sturio and the Atlantic and Gulf of Mexico subspecies of Ac ...

shusandS. albus (pallid sturgeon) was compared using PCRproducts(amiplicons)(GeneticAnalys- es^1 ).Acipenser fulvescens and the ...

natebetweenS. albusandS. platorynchuswith the ferencesexistamong two ormorespawning pop- expectationthathigherlevels of diversit ...

Bay drainages. No differences inmtDNAhaplo- tweenpopulations ofA. transmontanusfrom the types weredetected insturgeonfromdiffere ...

Figure 2.Gulf of Mexico riversfromwhichspecimens ofAcipenseroxyrinchuswereobtained. served. TheSuwanneeRiverpopulation hasbeen l ...

a b Figure 3.UPGMAphenograms of the interpopulationdiversity indices for the (a)RFLPdata, and(b) controlregionsequencedata for A ...

potamadromous andthus, migratefrommarine or lakewaters torivers tospawn (Bemis & Kynard 1997 this volume). However,almost no ...

(Apalachicola,Ochlockonee, andSuwannnee riv- Conclusions and recommendations ers).GeneflowestimatesderivedFromRFLPanal- ysiswere ...

necks on theirpopulations. However, it islikelythat used(Krueger et al.1981). T h esinglestudy ofgene the paucity ofgeneticdiver ...

such assingleeggs,embryo orlarva, andeven from archived museum specimens.Additionally, avarie- ty of DNA levelapproacheshavebeen ...

Birstein,V.J. 1993.Sturgeons andpaddlefishes:threatenedfishes in needof conservation.Conserv.Biol. 7:773–787. Birstein,V.J..B.F. ...

O’Brien,S.J. & E .Mayr.1991.Bureaucraticmischief recogniz- ing endangered species and subspecies. Science 251: 1187–1188. On ...

Environmental Biology of Fishes 48:399–405. 1997. © 1997 KluwerAcademicPublishers.Printed in theNetherlands SensitivityofNorth A ...