Director's Report for 1979
Tom Booth

Small mammal ecology
Michael Watson, University Field Station (Delta Marsh)

Plant phenology report
Michael Watson, University Field Station (Delta Marsh)

The effects of fire on Phragmites dominated plant communities in the Delta Marsh
Donald Thompson, Department of Botany, University of Manitoba

The application of nuclear track autoradiography to the investigation of the 'in situ' metabolism of periphytic algae
Gordon G. C. Robinson and Eva Pip, Department of Botany, University of Manitoba

Preliminary report on the foraging behaviour of Northern Orioles
Joan Morgan, Department of Zoology, University of Manitoba

Tree species distribution on the forested dune ridge at Delta Marsh
David I. Mackenzie, Department of Zoology, University of Manitoba

Sources of selection on avian vocalizations: territory size
Susan Cosens, Department of Zoology, University of Toronto

Aspects of parental care in Yellow Warblers: feeding of Yellow Warbler nestlings
Gloria C. Biermann, Department of Zoology, University of Manitoba

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