British Columbia seabird colony inventory. Report #2, West coast Moresby Island / Michael S. Rodway, Moira J.F. Lemon, Gary W. Kaiser. : CW69-5/65E-PDF

"The Canadian Wildlife Service conducted detailed inventories of seabird colonies along the west coast of Moresby Island in 1985 and 1986 as part of the British Columbia Seabird Colony Inventory Program. All colonies in Englefield Bay and off the south end of Moresby Island were surveyed. A few small colonies along the stretch of precipitous coastline between those two areas were not visited. Total or partial counts were made for surface-nesting species and small colonies of burrow nesters. Burrow densities on larger storm-petrel and alcid colonies were estimated using systematic sampling within quadrate surveyed along line transacts. Due to time constraints, burrow occupancy rates were not obtained at most colonies, and population estimates were based on median occupancy rates at other colonies in the province"--Abstract, p. i.

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