Bird Ecology and Conservation A Handbook of Techniques

discriminate among them based on model selection procedures or likelihood ratio tests (e.g. Lebreton et al. 1992; Burnham and An ...

Proportional hazards modeling can be implemented in many biomedical statist- ical packages and in program MARK (White and Burnha ...

permanent emigration, it is not clear how to model a bird with which radio contact is simply lost during the study. In some case ...

processes that give rise to the data. Following the original work of Cormack (1964), Jolly (1965), and Seber (1965), the Cormack ...

The initial  2 is the probability associated with the bird surviving from period 2 to 3, (1p 3 ) corresponds to the bird not b ...

Design issues relevant to capture–recapture/resighting studies include timing of sample periods and spatial coverage of sampled ...

areas. Data from such studies thus consist of the number of birds banded each year and the number of these that are recovered (d ...

relatively short, should include relatively little mortality, and should occur at a time of the year when birds are relatively s ...

on the study area in sample period idoes not permanently emigrate from the study area between sample periods iandi1. Given thes ...

The bird was located in location A at period 2 and survived until period 3 (asso- ciated probability, ), it did not permanently ...

periods, but movement studies with shorter time intervals are also possible. Data from such a study can again be summarized as c ...

As was the case for the single-location model in which the focus was on survival estimation, the capture history data and the co ...

banding area to two or more recovery areas, although the nature of the inferences depend on assumptions about the constancy of s ...

possible to mark large numbers of birds, the following type of question is likely to arise: should I mark 30 animals with radios ...

Powell et al. 2000; Kendall and Bjorkland 2001; Lindberg et al. 2001). We believe that such designs, that exploit the advantages ...

Clobert, J. and Lebreton, J.-D. (1991). Estimation of demographic parameters in bird Populations. In Bird Population Studies: Re ...

Nichols, J.D. and Kaiser, A. (1999). Quantitative studies of bird movement: a method- ological review. Bird Stud., 46(Suppl.), S ...

Udevitz, M.S. and Ballachey, B.E. (1998). Estimating survival rates with age-structure data.J. Wildlife Manage., 62, 779–792. Wh ...

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6. Radio-tagging Robert Kenward 6.1 Introduction Radio-tagging has been used for more than 40 years to reveal where animals are ...