Rocky Mountain Ridged Mussel Density Survey Data

Rocky Mountain Ridged Mussels (Gonidea angulata) are listed under the Species at Risk Act (SARA) as a species of special concern and have been re-assessed by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) as endangered. These fresh water mussels are only found in Canada in the Okanagan Valley of British Columbia. As a continuation of previous work and to inform future assessments and conservation efforts within this geographic range, seven easily accessible sites known to have high densities of G. angulata were selected as prospective index sites to monitor relative abundance (i.e. mussel bed density) using snorkel surveys. For lake sites, a two-stage sampling design was conducted using transects and quadrats. For the river site, cumulative counts from sides of the river were collected. Some sites were sampled only once while others were sampled multiple times from 2011-2016. Mean mussel densities across all surveys ranged from 0.19 to 2.86 mussels/m2, corresponding to site abundance estimates ranging from 102 to 3,276 mussels. Depth measurements were also taken at most sites to inform the Fish Water Management Tool of the Okanagan Water Management Board.

Simple

Date ( RI_367 )
2017-03-29
Date ( RI_366 )
2017-03-22
RI_408
  Government of Canada; Fisheries and Oceans Canada - Sean MacConnachie ( Section Head - Aquatic Ecosystem and Marine Mammal Science )
Pacific Biological Station, 3190 Hammond Bay Road , Nanaimo , British Columbia , V9T 6N7 , Canada
(250) 756-7223
Status
onGoing; enContinue RI_596
Maintenance and update frequency
asNeeded; auBesoin RI_540
Keywords
  • Species at Risk Act
  • SARA
  • Rocky Mountain Ridged Mussels
  • Gonidea angulata
Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
  • Scientific research
  • Scientific information
  • Fish
Classification
unclassified; nonClassifié RI_484
Use limitation
Open Government Licence - Canada (http://open.canada.ca/en/open-government-licence-canada)
Access constraints
license; licence RI_606
Use constraints
license; licence RI_606
Spatial representation type
textTable; texteTable RI_637
Metadata language
eng
Character set
utf8; utf8 RI_458
Topic category
  • Biota
  • Inland waters
Begin date
2011
End date
2015
N
S
E
W
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Reference system identifier
http://www.epsg-registry.org / EPSG:4326 /
Distribution format
  • CSV ( Unknown )

  • ESRI REST ( Unknown )

  • HTML ( Unknown )

  • PDF ( Unknown )

RI_412
  Government of Canada; Fisheries and Oceans Canada - Sean MacConnachie ( Section Head - Aquatic Ecosystem and Marine Mammal Science )
Pacific Biological Station, 3190 Hammond Bay Road , Nanaimo , British Columbia , V9T 6N7 , Canada
(250) 756-7223
OnLine resource
Rocky Mountain Ridged Mussel Density by Site ( HTTP )

Dataset;CSV;eng

OnLine resource
References ( HTTPS )

Supporting Document;PDF;eng,fra

OnLine resource
Rocky Mountain Ridged Mussel Survey Counts ( HTTP )

Dataset;CSV;eng

OnLine resource
Rocky Mountain Ridged Mussel Density by Site ( HTTP )

Dataset;CSV;fra

OnLine resource
Rocky Mountain Ridged Mussel Survey Counts ( HTTP )

Dataset;CSV;fra

OnLine resource
Data Dictionary ( HTTP )

Supporting Document;HTML;eng

OnLine resource
Data Dictionary ( HTTP )

Supporting Document;HTML;fra

OnLine resource
Rocky Mountain Ridged Mussel Survey Locations ( ESRI REST: Map Service )

Web Service;ESRI REST;eng

OnLine resource
Rocky Mountain Ridged Mussel Survey Locations ( ESRI REST: Map Service )

Web Service;ESRI REST;fra

File identifier
2559aac3-fd5a-4d6d-bcf5-8cf6b9629e2f XML
Metadata language
eng; CAN
Character set
utf8; utf8 RI_458
Hierarchy level
dataset; jeuDonnées RI_622
Date stamp
2025-02-06T12:40:05.602Z
Metadata standard name
North American Profile of ISO 19115:2003 - Geographic information - Metadata
Metadata standard version
CAN/CGSB-171.100-2009
RI_410
  Government of Canada; Fisheries and Oceans Canada - Sean MacConnachie ( Section Head - Aquatic Ecosystem and Marine Mammal Science )
Pacific Biological Station, 3190 Hammond Bay Road , Nanaimo , British Columbia , V9T 6N7 , Canada
(250) 756-7223
 
 

Overviews

overview
Thumbnail_image_FR_RMRM_Density_Survey.png
overview
Thumbnail_image_EN_RMRM_Density_Survey.png

Spatial extent

N
S
E
W
thumbnail


Keywords


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Associated resources

Not available