British Columbia Coastal Waterbird Survey

Bar charts

Annual graphs



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Annual frequency graphs

The following graphs provide the annual pattern of frequency (proportion of surveys where a species was detected) based on data associated with this project only. To view more advanced options as well as data from other projects, you can go to the NatureCounts data summary page. Please note that these graphs do not necessarily reflect actual trends in the species population and may be subject to various reporting biases and changes in methodology along the years.

You can restrict the bar charts to only some of the datasets that are part of this project

To insert the graphs below in your own web site using our web service click here.

Datasets used in this page:

  • British Columbia Coastal Waterbirds Survey (25,126 surveys)
  • British Columbia Marine Bird Atlas (291 surveys)
  • This page is provided through a web service of NatureCounts, a web site hosted by Bird Studies Canada, a partner of the Avian Knowledge Network.



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