conservation.arizona.edu - behavior

Foraging Behavior Response of Small Mammals to Different Burn Severities

aburnett93 — Mon, 25 Sep 2023 21:26:18 +0000

Authors

Marina Morandini

Maria Vittoria Mazzamuto

John L. Koprowski

Additional Information

Fire

Date of publication:

2023

Topics

wildfire

wildfire effects

behavior

behavioral response

GUD

predation

Mt. Graham red squirrel

Research Categories

Disturbance Ecology Sky Islands Threatened and Endangered Species

Steele, M. A., and J. L. Koprowski. 2001. North American Tree Squirrels. Smithsonian Institution Press: Washington, DC. 224 p.

thackerk1 — Tue, 30 Jul 2019 20:04:43 +0000

Authors

Michael A. Steele

John L. Koprowski

Find summary.

Additional Information

North American Tree Squirrels

Date of publication:

2001

Topics

tree squirrels

gray squirrel

fox squirrel

behavior

Evidence of natal habitat preference induction within one habitat type

thackerk1 — Tue, 23 Jul 2019 23:24:14 +0000

Authors

Melissa J. Merrick

John L. Koprowski

Natal habitat preference induction (NHPI) is a mechanism for habitat selection by individuals during natal dispersal. NHPI occurs in wild animal populations, and evidence suggests it may be a common, although little studied, mechanism for post-dispersal habitat selection. Most tests of NHPI examine the influence of distinct, contrasting natal habitat types on post-dispersal habitat selection. We test the hypothesis that NHPI can occur within a single habitat type, an important consideration for habitat specialists. The Mount Graham red squirrel (Tamiasciurus hudsonicus grahamensis) is an endangered forest obligate restricted to a single mountain primarily within mixed-conifer forest. We test for NHPI by comparing intra-individual differences in natal and settlement habitat structure and composition to expected random pairwise differences. Dispersing juveniles appear to select settlement locations that are more similar to natal areas than expected in several forest structure and composition variables that include canopy cover and live basal area. Our results provide support for NHPI as a mechanism for post-dispersal habitat selection in habitat specialists that occupy a single vegetation community type.