A proposed new method for obtaining penguin moult count estimates
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2010
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University of Cape Town
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Abstract
A double Gaussian form is fit to annual moult count observations for both adult and juvenile
penguins at Robben and Dassen Islands. While giving similar results for total moult numbers to the
conventional linear interpolation approach in most cases, this new approach seems preferable for
seasons where there are lengthly gaps between successive observations, and is accordingly
proposed as a preferred approach. The approach is also used to provide coarse estimates of the
precision of estimates of total moult numbers.
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Reference:
Robinson, W., & Butterworth, D. (2010). A proposed new method for obtaining penguin moult count estimates. MARAM: University of Cape Town.