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A developmentally d...
A developmentally descriptive method for quantifying shape in gastropod shells
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- Larsson, J. (författare)
- University of Sheffield
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- Westram, A. M. (författare)
- Institute of Science and Technology Austria
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- Bengmark, Samuel, 1965 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper,Department of Mathematical Sciences,Chalmers tekniska högskola,Chalmers University of Technology
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- Lundh, Torbjörn, 1965 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper,Department of Mathematical Sciences,Chalmers tekniska högskola,Chalmers University of Technology
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- Butlin, Roger, 1955 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,University of Sheffield,University of Gothenburg
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(creator_code:org_t)
- 2020-02-12
- 2020
- Engelska.
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Ingår i: Journal of the Royal Society Interface. - : The Royal Society. - 1742-5689 .- 1742-5662. ; 17:163
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The growth of snail shells can be described by simple mathematical rules. Variation in a few parameters can explain much of the diversity of shell shapes seen in nature. However, empirical studies of gastropod shell shape variation typically use geometric morphometric approaches, which do not capture this growth pattern. Wehave developedaway toinfera setofdevelop-mentally descriptive shape parameters based on three-dimensional logarithmic helicospiral growth and using landmarks from two-dimensional shell images as input. We demonstrate the utility of this approach, and compare it to the geometric morphometric approach, using a large set of Littorina saxatilis shells in which locally adapted populations differ in shape. Our method can be modified easily to make it applicable to a wide range of shell forms, which would allow for investigations of the similarities and differences between and within many different species of gastropods. © 2020 The Authors.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
- NATURVETENSKAP -- Matematik -- Annan matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Other Mathematics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
Nyckelord
- Growth
- Morphometrics
- Shape variation
- Snail shells
- Growth (materials)
- Molluscs
- Empirical studies
- Geometric morphometric
- Growth patterns
- Shape parameters
- Shape variations
- Two-dimensional shells
- Shells (structures)
- animal shell
- article
- Littorina
- morphometry
- nonhuman
- quantitative analysis
- growth
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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