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	Provedor de dados ArchiMer (1) Autor Fromentin, Jean-marc (1) Royer, Francois (1) Palavra-chave Density dependence (1) Embedding (1) Recurrence (1) Surrogate testing (1) Thunnus thynnus (1) Tipo do documento Text (1) Ano 2006 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Recurrent and density-dependent patterns in long-term fluctuations of Atlantic bluefin tuna trap catches ArchiMer Royer, Francois; Fromentin, Jean-marc. We present a methodology for the non-linear analysis of long-term ecological time series. Using a time-delay embedding procedure, we investigated the complexity of 1-dimensional signals and compared their structure to their stochastic counterparts. Recurrence-based statistics and surrogate testing were used for this purpose. The method was first tested on elementary models for illustrative purposes and its potentialities and limits reviewed. We then investigated the time structure of 6 Mediterranean bluefin tuna trap catches known to display long-term fluctuations. These time series showed significantly more determinism than linear stochastic processes, displaying more recurring patterns/states than stochastic surrogates. The short term structure of these... Tipo: Text Palavras-chave: Embedding; Surrogate testing; Density dependence; Recurrence; Thunnus thynnus. Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-1982.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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