P. A. Todd
Quantifying two-dimensional dichromatic patterns using a photographic technique: case study on the shore crab (Carcinus maenas L.)
Todd, P. A.; Ladle, R. J.; Briers, R. A.; Brunton, A.
Abstract
Contrasting patterns of pigmentation, such as those associated with crypsis and aposematism, are common in many taxa. In order to determine why patterning varies among individuals or populations, it is important to quantify how these patches of pigment are arranged. Here we present a simple technique for measuring areas of pigmentation as well as their spatial distribution, and demonstrate its application to the study of substrate-associated patterning in shore crabs (Carcinus maenas L.). The results, based on a virtual grid laid over digital images of crab carapaces, allow for correlations to be made among sample populations. The technique, or variations of it, can be applied to any situation where two-dimensional dichromatic patterns need to be quantified.
Citation
Todd, P. A., Ladle, R. J., Briers, R. A., & Brunton, A. (2005). Quantifying two-dimensional dichromatic patterns using a photographic technique: case study on the shore crab (Carcinus maenas L.). Ecological research, 20(4), 497-501. https://doi.org/10.1007/s11284-004-0034-5
Journal Article Type | Article |
---|---|
Online Publication Date | Feb 18, 2005 |
Publication Date | 2005-07 |
Deposit Date | Aug 3, 2016 |
Journal | Ecological Research |
Print ISSN | 0912-3814 |
Electronic ISSN | 1440-1703 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 20 |
Issue | 4 |
Pages | 497-501 |
DOI | https://doi.org/10.1007/s11284-004-0034-5 |
Keywords | Ecology, evolution, behavior and systematics, |
Public URL | http://researchrepository.napier.ac.uk/Output/324978 |
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