Changes between Version 6 and Version 7 of EwEugForagingTimeAndPredationRisk

EwEugForagingTimeAndPredationRisk

v6	v7
7	7	For convenience in estimating the ''a'',,''ij'',, and ''v’'',,''ij'',, parameters, we scale ''T'',,''it'',, so that ''T'',,''i0'',, = 1, and ''v’,,I j,,''= ''v'',,''ij'',,. Using these scaling conventions, the key issue then becomes how to functionally relate T,,it,, to food intake rate ''c'',,''it'',, so as to represent the hypothesis that animals with lots of food available will simply spend less time foraging, rather than increase food intake rates.
8	8
9		In Ecosim a simple functional form for ''T''''it'' is implemented that will result in near constant feeding rates, but changing time at risk to predation, in situations where rate of effective search ''a'',,''ji'',, is the main factor limiting food consumption rather than prey behaviour as measured by ''v'',,''ji'',,. This is implemented in form of the relationship:
	9	In Ecosim a simple functional form for ''T'''''it'' is implemented that will result in near constant feeding rates, but changing time at risk to predation, in situations where rate of effective search ''a'',,''ji'',, is the main factor limiting food consumption rather than prey behaviour as measured by ''v'',,''ji'',,. This is implemented in form of the relationship:
10	10
11	11	[[Image(wiki:EwEugImages:0800002A.png)]] ''' Eq. 65'''