—Misleading mark-recapture population estimates were obtained in three field comparisons of the performance of the Assinica and Temiscamie strains of brook trout Salvelinus fontinalis. Three and possibly four of the six assumptions required for the Joily-Seber method of population estimation were violated. First, violation of the assumption that marked and unmarked fish have homogeneous probabi...

Male-biased operational sex ratios are very common in sexually mature dragonflies. These may be due to differential survival or differences in time spent at the breeding site by the sexes. Because most studies are carried out at the breeding site, these two processes can be measured as survival rates or recapture rates using modern capture– mark–recapture methods. We marked 66 female and 233 ma...

Absfrac-In this paper, we propose a novel technique called CARE (CApture-REcapture fair sharing) to provide fair bandwidth sharing. CARE estimates two network resource parameters: the number of Bows in the buffer and the data source rate of a Bow by using a capiure-recapiure model. The capture-recapture model depends on simply the random captnringlrecapturing of the incoming packets, and as a r...

All monitoring programs are designed to detect change in population size. Some require, in addition, estimates of population size itself. Two approaches to making such estimates, using various m ark-recapture methods or removal sampling, are described in this chapter. Whatever the method, estimation of population size requires extensive data collection and analysis and is labor-intensive and ti...

-Passive capture methods, such as minnow traps, are commonly used to capture fish for mark-recapture population estimates; however, they have not been used for removal methods. Minnow traps set for 90-min periods during three or four sequential capture occasions during the summer of 1996 were used to capture coho salmon Oncorhynchus kisutch fry and parr, Dolly Varden Salvelinus malma, cutthroat...

Capture-recapture models were developed to estimate survival using data arising from marking and monitoring wild animals over time. Variation in survival may be explained by incorporating relevant covariates. We propose nonparametric and semiparametric regression methods for estimating survival in capture-recapture models. A fully Bayesian approach using Markov chain Monte Carlo simulations was...

Recently developed methods for analyzing mark–recapture data allow simultaneous modeling of information from a variety of animal encounters. Incorporating this extra information in an analysis requires use of a more complicated model but can lead to improved precision of estimates. An important aspect of such joint models is that movement of animals to and from the banding site can be incorpora...

Avian surveys using point sampling for abundance estimation have either focused on distance sampling or more commonly mark-recapture to correct for detection bias. Combining mark-recapture and distance sampling (MRDS) has become an effective tool for line transects, but it has been largely ignored in point sampling literature. We describe MRDS and show that the previously published methods for ...