Fifteen years of river otter monitoring by citizen-science volunteers in Northern California: litter size
We solicited and collated citizen-science volunteer observations of North American River
Otters (Lontra canadensis) over 15 y in Humboldt, Del Norte, and adjacent counties in
northern California. The occurrence of River Otter reproduction is thought to be an indicator
of watershed and wetland health. We described when and where observers reported
sightings of pups and litters. Citizen volunteers reported 3540 River Otter observations, of
which 371 included required information about number and size of smaller pups. From these …
Otters (Lontra canadensis) over 15 y in Humboldt, Del Norte, and adjacent counties in
northern California. The occurrence of River Otter reproduction is thought to be an indicator
of watershed and wetland health. We described when and where observers reported
sightings of pups and litters. Citizen volunteers reported 3540 River Otter observations, of
which 371 included required information about number and size of smaller pups. From these …
[引用][C] Fifteen Years of River Otter Monitoring by Citizen-Science Volunteers in Northern California: Litter Size
W Erin - 2016
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