This book gives a unifying framework for estimating the abundance of open populations: populations subject to births, deaths and movement, given imperfect measurements or samples of the populations. The focus is primarily on populations of vertebrates for which dynamics are typically modelled within the framework of an annual cycle, and for which stochastic variability in the demographic processes is usually modest. Discrete-time models are developed in which animals can be assigned to discrete states such as age class, gender, maturity,population (within a metapopulation), or species (for multi-species models).
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Em mais um de seus concisos contos de cordel urbano, Eduardo Borsato descreve o inconformismo que nos cerceia nesta vida com sua habitual linguagem cortante e irônica. Afinal, haverá outra maneira de suportar aquilo que para boa parte de nós ainda constitui o indecifrável mistério da existência?
The book goes well beyond estimation of abundance, allowing inference on underlying population processes such as birth or recruitment, survival and movement. This requires the formulation and fitting of population dynamics models. The resulting fitted models yield both estimates of abundance and estimates of parameters characterizing the underlying processes.