High-density areas for harbor porpoises (Phocoena phocoena) identified by satellite tracking
Version of Record online: 9 MAY 2010
© 2010 by the Society for Marine Mammalogy
Marine Mammal Science
Volume 27, Issue 1, pages 230–246, January 2011
How to Cite
Sveegaard, S., Teilmann, J., Tougaard, J., Dietz, R., Mouritsen, K. N., Desportes, G. and Siebert, U. (2011), High-density areas for harbor porpoises (Phocoena phocoena) identified by satellite tracking. Marine Mammal Science, 27: 230–246. doi: 10.1111/j.1748-7692.2010.00379.x
- Issue online: 9 MAY 2010
- Version of Record online: 9 MAY 2010
- Received: 12 June 2009Accepted: 18 December 2009
Appendix S1: Filtering of Argos locations.
Appendix S2: Weighing number of locations by porpoise.
Appendix S3: Choice of smoothing factor (band-width).
Appendix S4: Global vs. local estimates of density.
Figure S1: Track of two harbor porpoises before (left panels) and after applying Distance-Angle-Rate filter to the original Argos data.
Figure S2: Kernel distribution of porpoises tagged in the Danish waters between 1997 and 2007 for all year round (N = 64 porpoises, n = 4,309 locations).
Figure S3: Comparison of smoothing factor used in Kernel density estimation of utilization distribution.
Figure S4: Distribution of porpoises tagged in Danish waters between 1997 and 2007 (N = 64 porpoises, n = 4,309 locations).
Figure S5: Correlation between the kernel density estimation and the grid analysis.
Table S1: Number of Argos locations of various location classes in the harbor porpoise dataset (64 porpoises) and the percentage of locations removed from the dataset by the Distance-Angle-Rate filter: (1) including all locations that passed the filtering algorithm and (2) one location per day.
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Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.