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Daubenton's bat trends for Scotland

The Scotland-level population trend for Daubenton's bat from the Waterway Survey is shown on this page.

Population trends are also calculated for Daubenton's bat for Great BritainEngland and Wales


Waterway Survey

Scotland index of Daubenton's bat population from Waterway Surveys

Daubenton's bat Waterway Survey trend Scotland

Note: The graph above shows the unsmoothed index value for each year (green crosses), the smoothed trend (solid line) and 95% confidence intervals (dotted lines). The smoothed trend for 2016 is shown as a dashed line to indicate that it is provisional.

The index is currently 22.7% above the 1999 base year value, equivalent to an annual increase of 1.2%. The smoothed index value rose between 1999 and 2006, but since then has be relatively stable. It was significantly higher than the baseline year, by a very small margin, between 2005 and 2008, but there is currently no significant difference between the smoothed index in comparison to the 1999 baseline year.

Data from 115 sites contribute to the trend analysis in Scotland.


Return to Daubenton's bat population trends; Report home page; Contents page

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