Stefan Curth

6 Questions 5 Answers 0 Followers

Questions related from Stefan Curth

Geometric Morphometrics: Is it valid to compare integration strengths (via RV-coefficients) for different structures?

Let's say, I have landmark data for three different structures (A,B,C; e.g. three different teeth along the tooth row or fingers on one hand) for one sample of specimens and I would like to know...

13 July 2015 945 11 View

3D-Geometric Morphometrics: How can I calculate Procrustes distances to a specified shape within the data set?

Hi! I have a 3D-GMM data set of carnivore skulls and I would like to calculate the Procrustes distance of every individual specimen to a predefined shape after the Procrustes superimposition. In...

27 October 2014 6,031 6 View

Is there any (open source) software in which I can set 3D-landmarks also inside structures and not only on the surface?

For my project I would like to set 3D-landmarks and semi-landmarks inside mammalian skull reconstructions based on CT-data for geometric morphometric analysis. Is there any software in which I can...

01 March 2013 5,106 10 View

Natural History Collections: What to collect for the future?

Dear all, I'm currently writing a concept for the future of our own natural history collection and I'm thinking a lot about the question, what material future scientists might need and what...

01 January 1970 2,661 10 View

Why are both sexes in some species monomorphic?

We all know numerous examples for sexual dimorphism as the result of sexual selection. Thinking of mammals and birds, males are very often bigger or more colorful and richly ornamented than...

01 January 1970 4,801 3 View

Why does conserving global biodiversity matter?

When talking to visitors of our museum/zoo, some of the most frequent questions asked are "Why is keeping species from going extinct an activity worthwhile to pursue?" or "Why does it matter if...

01 January 1970 8,562 17 View