1990 Personnel

Director's Report for 1990
Gordon G. C. Robinson

Manager's Report for 1990
Russell G. Mead

1990 Weather summary
L. Gordon Goldsborough, Department of Botany, Brandon University

Continuing studies on the biology of the Hoary Bat, Lasiurus cinereus
Robert M.R. Barclay and Cathy Koehler, Department of Biological Sciences, University of Calgary and David Jacobs, Department of Biology, University of Hawaii

Differential responses of a rejector species to the threats of predation and cowbird parasitism
Ron C. Bazin, Department of Zoology, University of Manitoba

Biology of Aralia nudicaulis L. at Delta, Manitoba
Sarah deVos and Norman C. Kenkel, Department of Botany, University of Manitoba

Effect of architectural development on short-term hexazinone toxicity to freshwater periphyton
Michael J. Forster, Department of Zoology, Brandon University

Studies on the distribution and morphology of Typha spp. in the Delta Marsh
L. Gordon Goldsborough and Maria W. Zbigniewicz, Department of Botany, Brandon University

An assessment of the impact of the herbicides difenzoquat and sethoxydim on the biomass and productivity of freshwater periphytic algal communities
L. Gordon Goldsborough, Department of Botany, Brandon University

Responses of Clay-colored Sparrows (Spizella pallida) to experimental Cowbird parasitism
Dorothy P. Hill, Department of Zoology, University of Manitoba

Modelling the spatial pattern of Aralia nudicaulis ramets as a Markov point process
Norman C. Kenkel, Department of Botany, University of Manitoba

Interspecific variation in nest defense against a brood parasite
Diane L. Neudorf, Department of Zoology, University of Manitoba

Removal of host eggs by laying Brown-headed Cowbirds and the risk of nest desertion
Spencer G. Sealy, Department of Zoology, University of Manitoba

Receive a printed copy of this Annual Report