correspond to local populations or fish within par- Crossman, E.J. & D.E. McAllister. 1986. Zoogeography of fresh-
water fishes of the Hudson Bay drainage. Ungava Bay and the
Arctic archipelago. pp. 53–104.In:C.H. Hocutt & E.O. Wiley
(ed.) The Zoogeography of North American Freshwater Fish-
es, Wiley-Interscience, New York.
Danzmann, R.G. & P.E. Ihssen. 1995. A phylogeographic survey
of brook charr (Salvelinus fontinalis) in Algonquin Park. On-
tario based upon mitochondrial DNA variation. Molecular
Ecology 4: 681–697.
Dumont, P., R. Fortin, G. Desjardins & M. Bernard. 1987. Biol-
ogy and exploitation of the lake sturgeon (Acipenserfulves-
cens) in the Quebec waters of the Saint-Laurent River. pp. 57–
76.In:C.H. Olver (ed.) Proceedings of a Workshop on Lake
Sturgeon (Acipenser fulvescens). Ont. Fish. Tech. Rep. Ser.
No. 23.
Ferguson, M.M., L. Bernatchez. M. Gatt, B.R. Konkle. S. Lee.
M.L. Malott & R.S. McKinley. 1993. Distribution of mitochon-
drial DNA variation in lake sturgeon (Acipenser fulvescens)
from the Moose River basin, Ontario, Canada. J. Fish Biol. 43
Guenette, S., R. Fortin & R. Rassart. 1993. Mitochondrial DNA
in lake sturgeon (Acipenser fulvescens) from the St. Lawrence
River and James Bay drainage basins in Quebec. Canada. Can.
J. Fish. Aquat. Sci.50:659–664.
Harkness, W.J. & J.R. Dymond. 1961. The lake sturgeon. Ontario
Department of Lands and Forests. Fisheries and Wildlife
Branch, Toronto. 121 pp.
Hocutt, H. & E.O. Wiley. 1986. The zoogeography of North
American fishes. Wiley-Interscience, New York. 866 pp.
Holzhamm, T.E. & M. McCarthy, 1988. Potential fishery for lake
sturgeon (Acipenser fulvescens) as indicated by the returns of
the Hudson’s Bay Company Lac la Pluie District. Can. J. Fish.
Aquat. Sci. 45: 921–923.
Houston, J.J. 1987. Status of the lake sturgeon (Acipenser fulves-
cens) in Canada. Can. Field-Naturalist 101: 171–185.
Mandrak, N.E. & E.J. Crossman. 1992. Postglacial dispersal of
freshwater fishes into Ontario. Can. J. Zool. 70: 2247–2259.
Moritz, C., T.E. Dowling & W.M. Brown. 1987. Evolution of ani-
mal mitochondrialDNA:relevance for population biology
and systematics.Ann.Rev. Ecol. Syst. 18: 269–292.
Payne, D.A. 1987. Biology and population dynamics of lake stur-
geon (Acipenserfulvescens) from the Frederick House. Ab-
itibi and Mattagami rivers, Ontario. pp. 10–19.In:C.H. Olver
(ed.) Proceedings of a Workshop on the Lake Sturgeon (Aci-
penser fulvescens). Ont. Fish. Tech. Rep. Ser. No. 23.
Ward,R.D.,N.Billington & P.D.N. Herbert 1989. Allozymeand
mitochondrial DNA variation inpopulations of walleye, Sti-
zostedion vitreum. Can. J. Fish. Aquat. Sci. 47: 2074–2084.
Wilson, C.C. 1995. Phylogeographyandpostglacial dispersalof
two North American Salvelinusspecies. Ph.D. Thesis, Univer-
sity of Guelph, Guelph. 171 pp.ticular drainages. This will require the utilization of
more hypervariable marker systems such as simple
sequence repeats (microsatellites).
Acknowledgements
We thank Rob Cann and Rejean Fortin for provid-
ing us with status data, Jim Brown for the generous
gift of Nelson River lake sturgeon mtDNA, and
many individuals for providing lake sturgeon tissue.
Louis Bernatchez, Michael Gatt, Blake Konkle, su-
san Lee, Michelle Malott, and Scot McKinley par-
ticipated in the genetic analysis and Jim Finnigan
produced the status maps. Neil Billington and an
anonymous referee read the manuscript and pro-
vided many helpful comments. The genetic re-
search was supported by funds from Ontario Hy-
dro, Ontario Ministry of Natural Resources (Envi-
ronmental Youth Corps), and the Natural Sciences
and Engineering Research Council of Canada. We
thank Vadim Birstein, John Waldman, and the Hud-
son River Foundation for giving us the opportunity
to present this paper.
(Suppl.A):91–101.References citedAvise, J.C., J. Arnold. R.M. Ball. E. Bermingham, T. Lamb, J.E.
Neigel, C.A. Reeb & N.C. Saunders. 1987. Intraspecific phylo-
geography: the mitochondrial DNA bridge between Popula-
tion genetics and systematics. Ann.Rev. Ecol. Syst. 18:489–
522.
Bernatchez, L. & J.J. Dodson. 1990. Allopatric origin of sympathy
tricpopulations of lake whitefish (Coregonus clupeaformis)as
revealed by mitochondrial DNA restriction analysis. Evolu-
tion 44: 1263–1271.
Billington, N. & P.D.N. Hebert. 1991. Mitochondrial DNA diver-
sity in fishes and its implications for introductions. Can. J. Fish.
Aquat. Sci. 48 (Suppl. 1): 80–94.
Brown, J.R.,A.T.Beckenbach & M.J. Smith. 1992. Influences of
Pleistocene glaciations and human intervention upon mito-
chondrial DNA diversity in white sturgeon (Acipensertrans-
montanus) populations. Can. J. Fish. Aquat. Sci. 49:358–367.