Showing posts with label biogeography. Show all posts
Showing posts with label biogeography. Show all posts
Friday, April 5, 2019

Still not convinced by Vicariance Biogeography

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When reading recent methodological papers, review articles, or publications on my study group I sometimes add to the mix the odd paper that ...
Monday, April 2, 2018

How problematic is the jump dispersal parameter in ancestral area inference?

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I recently read an article in the Journal of Biogeography titled "Conceptual and statistical problems with the DEC + J model of fou...
Wednesday, March 21, 2018

Bioregionalisation part 6: Modularity Analysis with the R package rnetcarto

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Today's final post in the bioregionalisation series deals with how to do a network or Modularity Analysis in R. There are two main steps...
Saturday, March 17, 2018

Bioregionalisation part 5: Cleaning point distribution data in R

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I should finally complete my series on bioregionalisation. What is missing is a post on how to do a network (Modularity) analysis in R. But ...
Thursday, March 8, 2018

Alpha diversity and beta diversity

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At today's journal club meeting, we discussed Alexander Pyron's opinion piece We don't need to save endangered species - extinc...
Sunday, February 4, 2018

Bioregionalisation part 4: networks

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Having examined a clustering approach to bioregionalisation, today I will try to illustrate the increasingly popular alternative of network ...
Saturday, January 27, 2018

Bioregionalisation part 3: clustering with Biodiverse

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Biodiverse is a software for spatial analysis of biodiversity, in particular for calculating diversity scores for regions and for bioregion...
Wednesday, January 24, 2018

Bioregionalisation part 2: clustering

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Already I think I should change the way I was going to do this. It seems more straightforward to keep the two approaches in separate posts. ...
Saturday, January 20, 2018

Bioregionalisation part 1: what's the idea?

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This is the start of a little series of posts on bioregionalisation. I intend to divide the topic up as follows: What I mean with bioregio...
Saturday, September 2, 2017

Having fun with biodiversity databases

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If you have ever professionally used a biodiversity database you will soon have noticed that we still have a long way to go before they are ...
Sunday, August 20, 2017

I still don't get area cladistics, and 'geographic paralogy' in particular

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Since I started looking into panbiogeography and area cladistics, I have been curious about the concept of geographic paralogy. The word is ...