The quantitative study of marked individuals in ecology, evolution ...

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Radolfzell (Germany) Short courses (organizer: Evan Cooch) For the EURING 2003 short-courses, we will focus on 3 topics: (i) parameter counting & redundancy, (ii) goodness-of-fit testing, and (ii) Bayesian inference. All three of these topics are of considerable interest: the first 2 for very practical reasons, regardless of the approach you take in your analyses, and the latter reflecting a growing interest in the use of Bayesian methods for complex problems. While many attending EURING 2003 will have some level of familiarity with one or more of these topics, the design and intent of the short-courses is to ensure some common level of understanding, as much as possible, in advance of the formal papers later in the week (many of which make use of, or rely upon, one or more of these subjects). 08:45 AM - 09:00 AM Opening and Welcome Evan Cooch 09:00 AM - 10:00 AM Goodness of Fit testing Roger Pradel & Darryl Mackenzie 10:00 AM - 10:15 AM break 10:15 AM - 11:15 AM Parameter redundancy Olivier Giminez, Anne Viallefont & counting & Ted Catchpole 11:15 AM - 11:30 AM Introduction to Bayesian Steve Brooks, Ruth King short-course & Byron Morgan 11:30 AM - 12:30 PM Introduction to Bayesian Steve Brooks, Ruth King methods & Byron Morgan 12:30 PM - 01:30 PM break (lunch) 01:30 PM - 02:00 PM Introduction to WinBUGS Steve Brooks, Ruth King & Byron Morgan 02:30 PM - 03:00 PM Case studies I & II Steve Brooks, Ruth King & Byron Morgan 03:00 PM - 03:30 PM break 03:30 PM - 04:00 PM Case study III Steve Brooks, Ruth King & Byron Morgan 04:00 PM - 05:00 PM Introduction to Bayesian Steve Brooks, Ruth King model selection & Byron Morgan 05:00 PM - 05:15 PM Summary overview Steve Brooks, Ruth King & Byron Morgan 06:00 PM - 07:00 PM dinner 5
Evolutionary biology & life histories Evolutionary biology & life histories (chairs: David Thomson & Charles Brown) Plenary Address 08:15 AM - 08:55 AM Using Mark-Recapture to Study Social Behavior: A Case Study of Cliff Swallows Charles R. Brown Mark-recapture methods are being increasingly applied to problems in ecology, evolution, and behavior. These methods and the analytical tools associated with them can provide important insight into issues that field biologists have grappled with for decades, such as estimating population size, survival probabilities as a component of fitness, dispersal, and recruitment and the likelihood of breeding. But effective use of mark-recapture methods usually requires a long-term data set, with animals followed over multiple capture periods, and a relatively large number of marked individuals for estimation of multiple parameters and the effects upon them. These constraints often limit the application of these methods, especially in behavioral ecology. Using a 22- year field project on colonially nesting cliff swallows (Petrochelidon pyrrhonota) that has included over 148,000 marked individuals, I illustrate the insights into social behavior and coloniality that have been made possible by mark-recapture. Specifically, I will explore how annual survival probability has increased our understanding of fitness associated with different clutch sizes, laying dates, and alternative reproductive strategies; how estimating the presence of transient birds from mark-recapture has been applied to studies of between-group parasite transmission; and how daily survival probability during the breeding season can integrate the disparate costs and benefits of coloniality. Future work for both swallows and other species should emphasize multistate analyses so that between-year survival and movement as a function of a bird’s group size in different years can be estimated. Individual Papers 88:55 AM - 9:20 AM Effects of Spring conditions on breeding propensity of Greater Snow Goose females Eric Reed, Gilles Gauthier & Jean-Francois Giroux Breeding propensity, the probability that a sexually mature adult will breed in a given year, is an important determinant of annual productivity. It is also one of the least known demographic parameters in vertebrates. Although recent methodological advances in mark-recapture methods have allowed the estimation of breeding propensity for some bird species, little is known about factors responsible for temporal variation in this parameter. We studied the relationship between breeding propensity and conditions encountered on the spring staging areas and the breeding grounds in Greater Snow Geese (Chen caerulescens atlantica), a long distance migrant that breeds in the High Arctic. We used an Robust Design approach where classic capture histories were combined with auxiliary information from radio-marked birds and nest survey data to estimate breeding propensity over a 7-year period. More specifically, mark-recapture data was used to estimate probabilities of capture if alive and present in the superpopulation, and information from radio-marked birds was used to estimate probabilities of capture given presence in the sampled area. We also had to correct our estimates for nest success, because failed nesters emigrated from the sampled area, and incomplete fidelity to brood rearing areas (i.e. sampling area). We tested 6
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Participants Cam Emmanuelle Laborat
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Participants Hiroi Tadakazu Yamashi
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Participants Ozaki Kiyoaki Bird Mig
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Participants Thorup Kasper Zoologic
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