The role of lesser snow geese in positive, degenerative feedback processes resulting in the destruction of salt-marsh swards.

• Main Author: Srivastava, Diane Sheila
• Format: Thesis
• Language: English
• Published: 1993
• Subjects: soil salinity; graminoid growth; grazing; salt marsh; Manitoba; La Pérouse Bay; above-ground biomass; intraspecific competition; vegetation dynamics; positive feedback; grass; Graminoid; Arctic; Canada
• Online Access: http://hdl.handle.net/10315/18774

Masters Thesis completed in 1993 by D.S. Srivastava at the University of Toronto. Supervised by Dr. R.L. Jefferies. A positive feedback cycle between soil salinity and graminoid growth, triggered by intensive grazing and grubbing by geese, is proposed to account for the loss of graminoid vegetation...