Measurement error in geometric morphometrics

C Fruciano - Development genes and evolution, 2016 - Springer
Geometric morphometrics—a set of methods for the statistical analysis of shape once
saluted as a revolutionary advancement in the analysis of morphology—is now mature and …

The Arctic char (Salvelinus alpinus) “complex” in North America revisited

EB Taylor - Hydrobiologia, 2016 - Springer
Abstract The Arctic char (Salvelinus alpinus) species “complex” has fascinated biologists for
decades particularly with respect to how many species there are and their geographic …

Incomplete specimens in geometric morphometric analyses

JH Arbour, CM Brown - Methods in Ecology and Evolution, 2014 - Wiley Online Library
The analysis of morphological diversity frequently relies on the use of multivariate methods
for characterizing biological shape. However, many of these methods are intolerant of …

Arctic charr (Salvelinus alpinus): a case study of the importance of understanding biodiversity and taxonomic issues in northern fishes

JD Reist, M Power, JB Dempson - Biodiversity, 2013 - Taylor & Francis
Charrs, fishes of the genus Salvelinus (Salmonidae), comprise about 7–20+ species
important in the ecosystems and fisheries of Arctic and sub-Arctic waters. Charrs vary by life …

Morphological divergence between three Arctic charr morphs–the significance of the deep‐water environment

S Skoglund, A Siwertsson, PA Amundsen… - Ecology and …, 2015 - Wiley Online Library
Morphological divergence was evident among three sympatric morphs of Arctic charr
(Salvelinus alpinus (L.)) that are ecologically diverged along the shallow‐, deep‐water …

And if you gaze long into an abyss, the abyss gazes also into thee”: four morphs of Arctic charr adapting to a depth gradient in Lake Tinnsjøen

K Østbye, M Hagen Hassve… - Evolutionary …, 2020 - Wiley Online Library
The origin of species is a central topic in biology. Ecological speciation might be a driver in
adaptive radiation, providing a framework for understanding mechanisms, level, and rate of …

[HTML][HTML] Wing geometry of Anopheles darlingi Root (Diptera: Culicidae) in five major Brazilian ecoregions

MT Motoki, L Suesdek, ES Bergo… - Infection, genetics and …, 2012 - Elsevier
We undertook geometric morphometric analysis of wing venation to assess this character's
ability to distinguish Anopheles darlingi Root populations and to test the hypothesis that …

[HTML][HTML] Is shape in the eye of the beholder? Assessing landmarking error in geometric morphometric analyses on live fish

P Moccetti, JR Rodger, JD Bolland, P Kaiser-Wilks… - PeerJ, 2023 - peerj.com
Geometric morphometrics is widely used to quantify morphological variation between
biological specimens, but the fundamental influence of operator bias on data reproducibility …

Speciation and genetic divergence of three species of charr from ancient Lake El'gygytgyn (Chukotka) and their phylogenetic relationships with other representatives …

AG Osinov, AL Senchukova, NS Mugue… - Biological Journal of …, 2015 - academic.oup.com
The diversity of phenotypically different and often reproductively isolated lacustrine forms of
charrs of the genus Salvelinus represents a substantial problem for taxonomists and …

The interaction of resource use and gene flow on the phenotypic divergence of benthic and pelagic morphs of Icelandic Arctic charr (Salvelinus alpinus)

MK Brachmann, K Parsons, S Skúlason… - Ecology and …, 2021 - Wiley Online Library
Conceptual models of adaptive divergence and ecological speciation in sympatry predict
differential resource use, phenotype–environment correlations, and reduced gene flow …