In the vicinity of Churchill, Manitoba, Canada, dry heath tundra is restncted to elevated gravel deposits such as beach ndges and eskers These sites have been utilized for gravel excavation and extraction as well as for building and road construction Vast areas of open glavel resulting from human activities scar the landscape and reduce the amount of undisturbed dry heath tundra When left alone these gravel areas inay remain devoid of vegetation for many decades d u e to the severity of the climate Nothing has been done to restore them to their pre-disturbance vegetation cover Their soils are charactenzed by low nutnent availability poor moisture retention capabdities and limited seed banks The current paper reviews literature regarding manipulation of chemical and physlcal properties of gravel substrates in order to facllitate the development of cover by native plants A planned revegetation prolect is presented This project would provide ecological and aesthetic benefits as well as enhance conservation and tourism in the area
Previous attempts to provide purpose-built artificial chimneys in Manitoba for the threatened Chimney Swift (Chaetura pelagica) have not attracted swifts. A new design of artificial chimney was constructed in Winnipeg and moved to the Assiniboine Park Zoo. Chimney Swifts bred in this tower during the summer of 2019, the first confirmed use of purpose-built artifical habitat in western Canada.
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