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COSEWIC assessment and update status report on the Athabasca Thrift, ssp. interior in Canada

Acknowledgements

George Bihun, Conservation Officer, Saskatchewan Environment and Resources Management, Stony Rapids, Saskatchewan, provided important insights based on his personal experience in the Athabasca sand dunes and specific comments on limiting factors.

C.C. Chinnappa, University of Calgary, Calgary, Alberta, provided an update on current botanical activities in the Athabasca sand dunes.

Vemon L. Harms, University of Saskatchewan, Saskatoon, Saskatchewan, provided very useful information on species status in the Athabasca sand dunes.

Sheila Lamont, Botanist, Saskatchewan Conservation Data Centre, Regina, Saskatchewan, put me into contact with knowledgeable individuals.

Bret G. Purdy, Inter-Theme Research Coordinator, Sustainable Forest Management Network, University of Alberta, Edmonton, provided me with information on current research and economic activities in the Athabasca sand dunes.

Kay Rogers, Ottawa, Ontario, visitor to the Athabasca Sand Dune region in 1997.

Earl Wiltse, Provincial Endangered Wildlife Specialist, Saskatchewan Environment and Resource Management, Regina, Saskatchewan, provided names of knowledgeable individuals.

Funding for this status report was provided by the Canadian Wildlife Service, Environment Canada.


Literature Cited

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Abouguendia, Z.M., R.C. Goodwin, V.L. Harms, J.H. Hudson, J.S. Rowe, and R. Wright. 1981. Plant Ecology and Taxonomy, pp. 155-199, in: Abouguendia, Z.M. (ed.). 1981, Athabasca Sand Dunes in Saskatchewan. Mackenzie River Basin Study Report Supplement 7. Mackenzie River Basin Committee.

Anon. 1997. Athabasca Sand Dunes. Provincial Wilderness Park. Saskatchewan Provincial Parks Department. Brochure available from Saskatchewan Environment and Resources Management, Stony Rapids, Sask. SOJ 2RO

Argus, G.W. and Steele, J.W. 1979. A reevaluation of the taxonomy of Salix tyrrellii, a sand dune endemic. Systematic Botany 4: 163-177.

Argus, G.W. 1981. Status report on the Athabasca thrift, Armeria maritima ssp. interior in Canada. Committee on the Status of Endangered Wildlife in Canada, Ottawa.

Argus, G.W. 1997. Infrageneric classification of Salix  L. in the New World. Systematic Botany Monographs. 52: 1-121.

Harms, V.L., P.A. Ryan, and J.A. Haraldson. 1992. The Rare and Endangered Native Vascular Plants of Saskatchewan. The Saskatchewan Rare Plants Database and Summary Sheets of the Candidate Rare Species. W.P. Fraser Herbarium, University of Saskatchewan, Saskatoon, Sask. 1144 pp.

Lawrence, G.H.M. 1947. The genus Armeria in North America. American Midland Naturalist 37: 757-779.

MacDonald, S.E., C.C. Chinnappa, D.M. Reid, and B.G. Purdy. 1994. Population differentiation of the Stellaria longipes complex within Saskatchewan's Athabasca sand dunes. Can. J. Bot. 65: 1726-1732.

Porsild, A.E. 1955. The vascular plants of the western Canadian Arctic Archipelago. National Museum of Canada, Bulletin 135.

Purdy, B.G., Bayer, R.J., and MacDonald, S.E. 1994. Genetic variation, breeding system evolution and conservation of the narrow sand dune endemic Stellaria arenicola and the widespread S. longipes (Caryophyllaceae). American Journal of Botany 81: 904-911.

Purdy, B.G. 1995. Genetic variation in endemic plants of the Athabasca sand dunes: origin, evolution, and implications for conservation. PhD. Thesis, University of Alberta, Edmonton, AB. [A shortened version of this thesis appears as an undated report prepared for the Endangered Species Recovery Fund, World Wildlife Fund Canada and the Saskatchewan Department of Parks and Renewable Resources.]

Purdy, B.G. and Bayer, R.J. 1995a. Genetic diversity in the tetraploid sand dune endemic Deschampsia mackenzieana and its widespread diploid progenitor D. cespitosa (Poaceae). American Journal of Botany 82: 121-130.

Purdy, B.G. and Bayer, R.J. 1995b. Allozyme variation in the Athabasca sand dune endemic, Salix silicicola, and the closely related widespread species, S. alaxensis. Systematic Botany 20: 179-190.

Raup, H.M. 1936. Phytogeographical studies in the Athabasca-Great Slave Lake region. Journal of the Arnold Arboretum 17: 180-315.

Raup, H.M. and Argus, G.W. 1982. The Lake Athabasca sand dunes of northern Saskatchewan and Alberta, Canada. I. The land and vegetation. National Museums of Canada, Publications in Botany 12.