untitled
where BMR is in kilocalories per day and Wis body weight in kilograms. This is an average over all mammals. Specific groups may ...
Carnivores and omnivores digest their food in the stomach and small intestine. The small intestine is relatively short in these ...
and Warner (1980), Hornicke and Björnhag (1980), Robbins (1983), Björnhag (1987), and Chivers and Langer (1994). True ruminants, ...
particles of food, and microbes from the fiber. The fluids and microbes are returned by antiperistaltic movements to an enlarged ...
The gut, for example the rumen, large intestine, and cecum, crops of hummingbirds, and cheek pouches of heteromyid rodents, has ...
impala, greater kudu, sable, kob (Kobus species), lechwe, and gazelles (Gazella species). They are sexually dimorphic in the ext ...
The condition index for the rabbits would then be the ratio of observed weight to predicted weight. A similar relationship has b ...
As in body weight measures, flight muscle weights are corrected for body size by dividing by a standard muscle volume (SMV). Dav ...
Although a similar relationship was found for the brush-tailed possum (Tricho- surus vulpecula) in South Island, New Zealand (Ba ...
(Fig. 4.12) and deer (Klein and Olson 1960) to establish whether they had died from lack of food. Broad categories of marrow fat ...
blood parameters ranked according to their sensitivity (Franzmann and LeResche 1978). Starting with the single best parameter, s ...
Nutrition and feeding behavior underlies many critical issues in wildlife ecology and management, such as determining the adequa ...
5 The ecology of behavior In this chapter we consider how ecological constraints shape the behavior of indi- vidual organisms an ...
increasing food availability, often termed a Type II response (Holling 1959). The rate of energy gain f(N 1 ) that an animal wou ...
the diet so long as their profitability exceeds the expected rate of long-term intake obtained by specializing on all of the mor ...
food items are rarely mixed homogeneously across the landscape visited by the for- ager. This is particularly true of mobile pre ...
f(N 1 ) = where β(N 1 ) depicts the probability of foraging on the poorer prey, which is a func- tion of the density of preferre ...
As a natural consequence of these multispecies effects on feeding rates, optimal patterns of diet choice can have important impl ...
All of these constraints vary linearly with the proportion of each food type in the diet (Fig. 5.5). The optimal solution will o ...
forager has no means of knowing exactly how long it will take to get to the next suitable patch, only how long it takes on avera ...
«
1
2
3
4
5
6
7
8
9
10
»
Free download pdf