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COSEWIC assessment and status report on the mountain crab-eye, Acroscyphus sphaerophoroides, in Canada . : CW69-14/734-2016E-PDF

"This charismatic lichen forms pale gray to yellow gray coral-like cushions. It is globally rare and there are only eight known occurrences in Canada. All are within British Columbia in a very restricted climatic zone, which lies between the hypermaritime conditions found on the outer coast and the continental climate of the interior. There is a low IAO of 32 km2 and the total estimated population for this lichen is less than 250 colonies. However, this lichen occurs in remote, inaccessible sites within the rugged Coast Mountains, and additional new occurrences are likely to be discovered. In Canada, it is found primarily on dead Mountain Hemlock snags in patterned fen or bog complexes. Development pressures (roads, pipeline, hydroelectricity, mining and forestry) and climate change threaten hydrological regime and microclimatic conditions required by this species at many of the known sites"--Reason for designation, p. iii.

Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.818687&sl=1

Renseignements sur la publication
Ministère/Organisme
  • Canada. Environment Canada.
  • Committee on the Status of Endangered Wildlife in Canada.
  • Canadian Wildlife Service.
TitreCOSEWIC assessment and status report on the mountain crab-eye, Acroscyphus sphaerophoroides, in Canada .
Variante du titre
  • Mountain crab-eye, Acroscyphus sphaerophoroides, in Canada
  • COSEWIC status report on the mountain crab-eye, Acroscyphus sphaerophoroides, in Canada
Type de publicationMonographie
Langue[Anglais]
Autres langues publiées[Français]
FormatTexte numérique
Document électronique
Note(s)
  • Issued also in French under title: Évaluation et rapport de situation du COSEPAC sur l'acroscyphe des montagnes, Acroscyphus sphaerophoroides, au Canada.
  • Cover title.
  • "Special concern, 2016."
  • "COSEWIC would like to acknowledge Paula Bartemucci ... [et al.] for writing the status report [...]. This report was overseen and edited by David Richardson, Co-chair of the COSEWIC Mosses and Lichens Subcommittee"--Cf. (p. ii).
  • Includes bibliographical references (p. 38-41).
Information sur la publication
  • Ottawa : Environment Canada, c2016.
Auteur / Contributeur
  • Bartemucci, Paula,1971-
  • Richardson, David H. S.
Descriptionxi, 47 p. : col. ill., maps (some in col.)
ISBN978-0-660-05569-5
Numéro de catalogue
  • CW69-14/734-2016E-PDF
Descripteurs
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