Complex population dynamics and complex causation: devils, details and demography.

Population dynamics result from the interplay of density-independent and density-dependent processes. Understanding this interplay is important, especially for being able to predict near-term population trajectories for management. In recent years, the study of model systems-experimental, observatio...

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Manylion Llyfryddiaeth
Prif Awduron: Benton, T, Plaistow, S, Coulson, T
Fformat: Journal article
Iaith:English
Cyhoeddwyd: 2006
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author Benton, T
Plaistow, S
Coulson, T
author_facet Benton, T
Plaistow, S
Coulson, T
author_sort Benton, T
collection OXFORD
description Population dynamics result from the interplay of density-independent and density-dependent processes. Understanding this interplay is important, especially for being able to predict near-term population trajectories for management. In recent years, the study of model systems-experimental, observational and theoretical-has shed considerable light on the way that the both density-dependent and -independent aspects of the environment affect population dynamics via impacting on the organism's life history and therefore demography. These model-based approaches suggest that (i) individuals in different states differ in their demographic performance, (ii) these differences generate structure that can fluctuate independently of current total population size and so can influence the dynamics in important ways, (iii) individuals are strongly affected by both current and past environments, even when the past environments may be in previous generations and (iv) dynamics are typically complex and transient due to environmental noise perturbing complex population structures. For understanding population dynamics of any given system, we suggest that 'the devil is in the detail'. Experimental dissection of empirical systems is providing important insights into the details of the drivers of demographic responses and therefore dynamics and should also stimulate theory that incorporates relevant biological mechanism.
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spelling oxford-uuid:b0df2bae-3e70-4779-b59f-dfabfa792b082022-03-27T03:59:33ZComplex population dynamics and complex causation: devils, details and demography.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b0df2bae-3e70-4779-b59f-dfabfa792b08EnglishSymplectic Elements at Oxford2006Benton, TPlaistow, SCoulson, TPopulation dynamics result from the interplay of density-independent and density-dependent processes. Understanding this interplay is important, especially for being able to predict near-term population trajectories for management. In recent years, the study of model systems-experimental, observational and theoretical-has shed considerable light on the way that the both density-dependent and -independent aspects of the environment affect population dynamics via impacting on the organism's life history and therefore demography. These model-based approaches suggest that (i) individuals in different states differ in their demographic performance, (ii) these differences generate structure that can fluctuate independently of current total population size and so can influence the dynamics in important ways, (iii) individuals are strongly affected by both current and past environments, even when the past environments may be in previous generations and (iv) dynamics are typically complex and transient due to environmental noise perturbing complex population structures. For understanding population dynamics of any given system, we suggest that 'the devil is in the detail'. Experimental dissection of empirical systems is providing important insights into the details of the drivers of demographic responses and therefore dynamics and should also stimulate theory that incorporates relevant biological mechanism.
spellingShingle Benton, T
Plaistow, S
Coulson, T
Complex population dynamics and complex causation: devils, details and demography.
title Complex population dynamics and complex causation: devils, details and demography.
title_full Complex population dynamics and complex causation: devils, details and demography.
title_fullStr Complex population dynamics and complex causation: devils, details and demography.
title_full_unstemmed Complex population dynamics and complex causation: devils, details and demography.
title_short Complex population dynamics and complex causation: devils, details and demography.
title_sort complex population dynamics and complex causation devils details and demography
work_keys_str_mv AT bentont complexpopulationdynamicsandcomplexcausationdevilsdetailsanddemography
AT plaistows complexpopulationdynamicsandcomplexcausationdevilsdetailsanddemography
AT coulsont complexpopulationdynamicsandcomplexcausationdevilsdetailsanddemography