Lindy Thompson

6 Questions 24 Answers 0 Followers

Questions related from Lindy Thompson

How can I determine the % of the time that birds are spending in protected areas?

I have shape files of monthly kernel areas for a group of vultures. I also have a shape file of protected areas in a country. I want to determine how much the vultures are using protected areas. I...

18 May 2016 1,846 6 View

How to account for different sampling methods when estimating monthly home range size in a large bird?

I am analysing movement data from 18 satellite-tagged individuals from an Old World vulture species. Upon inspecting the data I found there were 3 sampling regimes used: (i) hourly, 2am to...

25 April 2016 2,667 4 View

Has anyone used video cameras at birds' nests in trees?

I want to find a system where I can download video footage of birds' nests remotely, without having to climb the tree to access the camera (nests and video cameras are 12-20m above the ground)....

13 March 2016 8,249 7 View

Is there any published evidence that Perspex (Plexiglass) chambers increase water vapour washout time?

People seem to use a variety of materials for their respirometry chambers. Is there any published evidence that Perspex chambers have longer washout times for water, or that stainless steel is the...

14 November 2014 9,481 2 View

Can I still do a piecewise (broken-line) regression in R, if I used the same animals many times?

The 'segmented' package in R doesn't seem to work with mixed linear models, and since I repeatedly used the same animals, I need to include 'Animal ID' as a random factor, so I need to do a mixed...

14 June 2014 8,024 12 View

At what time of the night should one measure evaporative water loss (EWL) in birds?

Should I take the EWL reading the corresponds to the time of lowest VO2? Or should I rather take the lowest hourly mean EWL value for the night? In my case, these two values are not the same...

06 February 2014 6,006 11 View