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- Title
MULTISTATE ANALYSIS OF FIXED, LIBERAL REGULATIONS IN QUAIL HARVEST MANAGEMENT.
- Authors
Guthery, Fred S.; Peterson, Markus J.; Lusk, Jeffrey J.; Rabe, Michael J.; DeMaso, Stephen; Sams, Mike; Applegate, Roger D.; Dailey, Thomas V.
- Abstract
We derived consequences (realizations of hunter efficiency, relative harvest rates) of fixed, liberal quail (northern bobwhite [Colinus virginianus], Gambel's quail [Callipepla gambelii], and scaled quail [C. squamata]) harvest regulations applied at large scales from time series on quail abundance, total harvest, and hunter participation. Data came from Kansas (1966-2001), Missouri (1983-2001), Oklahoma (1990-2001), north and south Texas (1986-2001), and Arizona (1982-1999), USA, where harvest regulations were liberal (season length 2.5-4 months, daily bag limit 8-15 birds) during the periods of record. For all study regions, hunter-days were expressible as a linear function of quail abundance, and total harvest was expressible as a linear function of hunter-days. These results implied that hunter efficiency (harvest/hunter-day/index bird) declined monotonically and curvilinearly as quail populations increased. Likewise, relative harvest rate declined monotonically and curvilinearly as abundance increased, which implied that harvest was not self-limiting; however, the rate of decline generally was low because harvest rate was the product of an increasing (hunter-days) and a decreasing function (hunter efficiency) of quail abundance. Under fixed, liberal regulations, variations in quail abundance seem to govern harvest rates at the state or regional level; the regulations per se probably are biologically inconsequential.
- Subjects
HUNTING; NORTHERN bobwhite; QUAILS; ANIMAL mortality; BIRD populations
- Publication
Journal of Wildlife Management, 2004, Vol 68, Issue 4, p1104
- ISSN
0022-541X
- Publication type
Article
- DOI
10.2193/0022-541X(2004)068[1104:MAOFLR]2.0.CO;2