Matt W Hayward

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Questions related from Matt W Hayward

How often do large predators get killed by small prey?

Recently a cheetah was killed by a duiker at a study site in South Africa, and we want to know how frequently this occurs to all of Africa's large predators. We're looking for mortality events of...

24 September 2015 1,521 9 View

Has anyone got any examples of when indices of abundance have led to incorrect conclusions when robust population estimates are later used?

I'm making changes to a paper and the editor would like some examples of when indices of abundance have been later found to yield misleading results. I guess the tiger track surveys vs photo...

06 September 2013 6,662 9 View

Is using the raw data from grey literature robust?

My colleagues and I have reviewed the diet of snow leopards and have included data from the grey literature in our analysis. These data are derived from a very standard and widely used technique -...

05 June 2013 5,140 30 View

Given their known biases, how can indices of abundance yield papers in quality journals?

Unless we account for differences in detectability caused by habitat variation, altered animal behaviour, observer skill, etc, these indices seem useless to me, particularly if they have not been...

03 December 2012 1,518 21 View