Dear Hugo, >shape of one particular species. Now regarding the Ian example in Drosophila, I tested allometry into 60 species across the genus and there is definitely a >pattern (indeed a beautiful one across the genus looking into the different clades) but looking into one particular group of species the "size" is indeed a very
Have you already published this work? If so, could you please provide a reference? It looks truly great. With best wishes, Em ter., 14 de jul. de 2020 às 16:57, Hugo Benítez <[email protected]> escreveu: > Fantastic line of discussion > > I'm absolutely agree with Joe, when there is not a Phylogenetic context > maybe the allometric correction would not have very much sense, because we > are looking into only one generation so we really don't know very well if > the shape we are looking for is product of environmental condition (that > can be connected with plenty of variables like nutrition, stress, etc...) > now as you asked there is multiple group of species so definitely in your > idea there is some "historic factor" that provide the shape of one > particular species. Now regarding the Ian example in Drosophila, I tested > allometry into 60 species across the genus and there is definitely a > pattern (indeed a beautiful one across the genus looking into the different > clades) but looking into one particular group of species the "size" is > indeed a very good trait to explain differences (like species from island, > marsh or the typical cosmopolitan) cosmopolitan Drosophila have the simple > small wing (very small). On the other hand, where maybe "makes sense" is > in one single species after doing some quantitative genetics experiments > and controlling the factors that could influence the size depending on your > question... But I think if there is a simple species in the game the > factors in one generation are indeed just the real biological meaning of > your differences and I dont think a correction will have a very biological > meaning... Now of course could be some exception to the rule and a > Biogeographical question like bergmann rule, or another rule like that > where the relationship is directly related to size maybe a correction could > be ok to see how big there are the differences when the factor is > included... > > I would love to see more replies, nice topic to discuss Damien > > Best > Hugo Benítez > > > El mar., 14 jul. 2020 a las 14:55, Damien Esquerre (< > [email protected]>) escribió: > >> Dear morpho community, >> I have a philosophical question on size correction that should start an >> interesting discussion. >> When we are interested in seeing the effects of species or environmental >> variables for example, on shape, people often first remove allometric >> variation by computing the residuals of a shape ` size regression. This of >> course, doesn't make sense if there are heterogeneous slopes and species >> have different allometric trajectories (i.e. if the species*size term is >> significant). >> What do you think would be the most appropriate way to deal with this >> situation then, if you are interested in environmental effects on shape? >> Best regards, >> Damien Esquerré >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Morphmet" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/morphmet2/CAJiv7Cw0S2A%3D-kpEmknt-tUp92Vjy0hkiF%3DVF6C77NsFECP%2BMw%40mail.gmail.com >> <https://groups.google.com/d/msgid/morphmet2/CAJiv7Cw0S2A%3D-kpEmknt-tUp92Vjy0hkiF%3DVF6C77NsFECP%2BMw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > > *Dr. Hugo A. Benítez* > Profesor Asociado > Centro de Investigación de Estudios Avanzados del Maule > Universidad Católica del Maule > > Research Associate, University of Cambridge Museum of Zoology > External Researcher Faculty of Agriculture, University of Zagreb > > Lab website: http://www.morphoshape.com <http://www.hugoabenitez.com> > > > > -- > You received this message because you are subscribed to the Google Groups > "Morphmet" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/morphmet2/CACTC4WqeQiyyLW0gGy%3Ds8jr%3DM0pXAJmuEqXGKUCAaxs3%3DOa%2BmA%40mail.gmail.com > <https://groups.google.com/d/msgid/morphmet2/CACTC4WqeQiyyLW0gGy%3Ds8jr%3DM0pXAJmuEqXGKUCAaxs3%3DOa%2BmA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- Dr. Mauro J. Cavalcanti E-mail: [email protected] Web: http://sites.google.com/site/maurobio "Life is complex. It consists of real and imaginary parts." -- You received this message because you are subscribed to the Google Groups "Morphmet" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/morphmet2/CAC1JhZYNJdDWqfrsGXGa%2Be0YX8oA5CjoLBTXa67wHuGHaSqJbQ%40mail.gmail.com.
