Search results
Results from the WOW.Com Content Network
A home range is the area in which an animal lives and moves on a periodic basis. It is related to the concept of an animal's territory which is the area that is actively defended. The concept of a home range was introduced by W. H. Burt in 1943. He drew maps showing where the animal had been observed at different times.
An animal chooses its territory by deciding what part of its home range it will defend. In selecting a territory, the size and quality play crucial roles in determining an animal's habitat. Territory size generally tends to be no larger than the organism requires to survive, because defending a larger territory incurs greater energy, time and ...
The home range is marked with feces, urine scent, and by clawing prominent trees in the area. [53] In its territory, the bobcat has numerous places of shelter, usually a main den, and several auxiliary shelters on the outer extent of its range, such as hollow logs, brush piles, thickets, or under rock ledges. Its den smells strongly of the ...
The non-native freshwater zebra mussel, Dreissena polymorpha, that colonizes areas of the Great Lakes and the Mississippi River watershed, is a zoological monotypic habitat example; the predators or parasites that control it in its home-range in Russia are absent.
The raccoon is a generalist, because it has a natural range that includes most of North and Central America, and it is omnivorous, eating berries, insects such as butterflies, eggs, and various small animals. When it comes to insects, particularly native bees and lepidoptera ((butterflies and moths), many are specialist species.
T-LoCoH (time local convex hull) is an enhanced version of LoCoH which incorporates time into the home range construction. [7] [8] Time is incorporated into the algorithm via an alternative measure of 'distance', called time scaled distance (TSD), which combines the spatial distance and temporal distance between any two points.
A stricter definition of local adaptation requires 'reciprocal home site advantage', where for a pair of populations each out performs the other in its home site. [5] [2] This definition requires that local adaptation result in a fitness trade-off, such that adapting to one environment comes at the cost of poorer performance in a different ...
The range of a male wolverine can be more than 620 km 2 (240 sq mi), encompassing the ranges of several females which have smaller home ranges of roughly 130–260 km 2 (50–100 mi 2). Adult wolverines try for the most part to keep nonoverlapping ranges with adults of the same sex. [ 24 ]