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- W1508236725 abstract "Population dynamics models are useful for estimating coyote (Canis latrans) population responses to exploitation w well as to hypothetical birth intavent~on techniques At least 6 coyote simulation models have been developed over the past 25 years. This paper reviews the model developed by Connolly and Longhurst (1 975), and identifies some potential improvements based upon new biolog~cal information and modem computing technology The biolog~cal concepts embodied in the Connolly-Longhurst (C-L) model seem as valid In 1995 as they were in 1975. Newer studies have tended to reaffirm rather than revise earlier concepts of coyote populat~on mechan~cs. One s~gn~ficant shortcoming of the C-L model, as acknowledged by the authors at the time, was ~ t s failure to include immigration as one of the mechan~sms for replacement of coyotes removed in control Subsequent studies have reiterated the importance of irnrnigrat~on and emigrat~on in the dynamics of explo~ted coyote populations, but reseal-chers have not made corresponding progress toward the inco~porat~on of these phenomena into simulation models. Updat~ng the C-L model would conslst largely of revamping it to run on modem computers and software. A new edition would make the model useful to wildlife managers interested in the effects of predator control on the dynamics of selected coyote populations. The updated model would calculate blrths and deaths monthly rather than annually, and mlnor changes could be made to the b~l-th and natural mortality functions. However, the rev~sed model probably would susta~n most of the conclusions stated in 1975. The coyote is much admired for ~ t s urvival ab~ l~ ty . As Gabrielson (1 95 1) recognized many years ago, no other American mammal has shown greater adaptability and stamina in the face of ruthless oppression In spite of guns, dogs, poisons, and traps, pursued by hired hunters and calving a price on his head, the coyote has managed not only to survive but to extend his range Into new ten-ito~y. Hundreds of thousands of coyotes are k~lled each year in the western United States, yet large and healthy populations remain. How does the coyote do ~ t ? The b~olog~cal answers to t h ~ s quest~on have been sought in many field studies of coyote populations (Connolly 1978). Additionally, several teams of biologists have analyzed the elements of coyote population dynamics and assembled them into mathemat~cal simulat~on models of coyote populat~ons. The models that help us understand the coyote's legendary s u ~ v ~ v a l h ~ l ~ t y are those that prov~de nurne~ical est~mates of coyote populat~on responses to management; 1.e , exploitation (k~lling or harvest) and birth control At least 4 such models were developed in the 1970s (Connolly 1978). This paper I-examines one of these models (Connolly and Longh~~l-st 1975; hereafter te~med the C-L model) in light of more recent ~nfo~mation Herein I identify some Improvements that, ~f implemented, would update the model and make it more useful to wildlife managers." @default.
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- W1508236725 date "1995-01-01" @default.
- W1508236725 modified "2023-09-27" @default.
- W1508236725 title "THE EFFECTS OF CONTROL ON COYOTE POPULATIONS: ANOTHER LOOK" @default.
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