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Application of the Residence Concept to Slender Mouse-ear-cress (Halimolobos virgata)
Does the concept of residence under SARA apply to this species? No
(1) Does the ecology of the species include the use of a dwelling place--which is a specific location (or locations) or discrete spatial area that contains features similar to a den or nest, or performs functions similar to a den or nest?
No - the specific location occupied by an individual Slender Mouse-ear-cress plant is plainly a part of the general habitat of the species; there is no inherent feature of this area similar to a den or nest.
(2) Are these locations occupied or habitually occupied during all or part of the species’ life cycle?
(3) Are these locations essential to the successful performance of a specific, crucial function of the species’ life-cycle?
Summary of Rationale:
Individual Slender Mouse-ear-cress plants do not appear to use a dwelling place similar to a nest or den, and therefore do not qualify to have a residence. There would be no additional legal protection not already afforded by protection of the individual and its critical habitat.
Government of Canada. 2004. Species at Risk Act Policy: Policy on Residence. Draft (June 18, 2004). Unpubished. Paper. 17 pp.
Smith, B. 1992. Status Report on the Slender Mouse-ear-cress, Halimolobos virgata, in Canada. Committee on the Status of Endangered Wildlife in Canada. 39 pp.
Smith, B. 1999. Update COSEWIC Status Report on the Slender Mouse-ear-cress, Halimolobos virgata, in Canada. Committee on the Status of Endangered Wildlife in Canada. 21 pp.
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