Diederik Strubbe

8 Questions 7 Answers 0 Followers

Questions related from Diederik Strubbe

Proportional similarity index PSi: sensitivity to number of diet items?

I have a question about how to interpret (differences in) the proportional similarity index Psi proposed by Bolnick et al. (2003)...

01 August 2023 3,052 0 View

How much of the bird trade does CITES cover?

Trade in wild-caught birds is big business. Most data on which species are traded and in what volumes comes from CITES. But the CITES Appendices do not cover all traded bird species, e.g. it does...

01 December 2020 2,140 4 View

DS1923-F5 iButton: user experiences?

Hi all, We are planning to measure microclimates in urban verus rural forest fragments, with a focus on the microclimate inside tree holes. I am currently considering the iButton DS1923-F5...

27 October 2020 6,507 3 View

Density estimates of bird beaks?

Hi all, I am searching for any data on the density of a birds’ beak (g/cm3). I have so far found one paper on the density of toucan and hornbill beaks (Seki et al. 2010, Acta Biomaterialia 6...

13 April 2017 9,842 3 View

Ring-necked parakeet (Psittacula krameri) body mass: what native range data are available?

Dear all, I have a pretty basic question: I am looking for body mass measurements of ring-necked parakeets (Psittacula krameri) across its native range. I checked the available literature (see...

05 October 2016 982 4 View

Applications of species distribution/ecological niche (SDM/ENM) modelling applications on invasive birds: request for published studies?

Dear colleagues, I am conducting a literature search on the application of species distribution modelling techniques to avian invaders, to see how frequently and for what purposes these modelling...

12 May 2016 6,911 3 View

Lookin for R package capable of handling phylogenetic trees, random effects and zero-inflation

Dear all, I am struggling with analysing a dataset aimed at explaining invasion success of non-native species. At a country level, I need to relate invasion success (binomial: 0 for failed...

03 June 2015 119 11 View

Native-range adaptation to human-dominated habitats promotes invasion success of non-native species?

Recently, Hufbauer, R. A. et al. 2012. [Anthropogenically induced adaptation to invade (AIAI): contemporary adaptation to human-altered habitats within the native range can promote invasions. -...

06 January 2014 2,424 1 View