The dynamics of natural populations: feedback structures in fluctuating environments

The fluctuations exhibited by natural populations have fascinated ecologists for the last eighty years. However, a vigorous debate between different schools of population ecologists has hampered reaching a consensus about the causes of such numerical fluctuations. Recent findings and a more syntheti...

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Autor principal:	LIMA,MAURICIO
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2001
Materias:	population dynamics feedback structure exogenous factors seasonal regulation stochasticity food web structure climate
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2001000200009
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spelling	oai:scielo:S0716-078X20010002000092001-11-08The dynamics of natural populations: feedback structures in fluctuating environmentsLIMA,MAURICIO population dynamics feedback structure exogenous factors seasonal regulation stochasticity food web structure climate The fluctuations exhibited by natural populations have fascinated ecologists for the last eighty years. However, a vigorous debate between different schools of population ecologists has hampered reaching a consensus about the causes of such numerical fluctuations. Recent findings and a more synthetic view of population change espoused by ecologists, statisticians, and mathematicians have integrated the role of nonlinear feedback (deterministic) and external environmental (deterministic or stochastic) processes in the dynamics of natural populations. The new challenge for population ecologists is to understand how these two different forces interact in nature. In this commentary, I review some of the basic principles of population analysis during the last 50 years. Finally, this commentary emphasize that one of the most promising approaches in population ecology will be the analysis and interpretation of time series data from several species in the same place, and the integration of demographic analysis and mathematical modeling. In both cases we need long-term data of biological populations and the factors that effect them. The potential insights gained from such an approach will help ecologists to understand better the dynamics of natural populations and will have large implications for applied issues such as conservation, management, and control of natural populationsinfo:eu-repo/semantics/openAccessSociedad de Biología de ChileRevista chilena de historia natural v.74 n.2 20012001-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2001000200009en10.4067/S0716-078X2001000200009
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	population dynamics feedback structure exogenous factors seasonal regulation stochasticity food web structure climate
spellingShingle	population dynamics feedback structure exogenous factors seasonal regulation stochasticity food web structure climate LIMA,MAURICIO The dynamics of natural populations: feedback structures in fluctuating environments
description	The fluctuations exhibited by natural populations have fascinated ecologists for the last eighty years. However, a vigorous debate between different schools of population ecologists has hampered reaching a consensus about the causes of such numerical fluctuations. Recent findings and a more synthetic view of population change espoused by ecologists, statisticians, and mathematicians have integrated the role of nonlinear feedback (deterministic) and external environmental (deterministic or stochastic) processes in the dynamics of natural populations. The new challenge for population ecologists is to understand how these two different forces interact in nature. In this commentary, I review some of the basic principles of population analysis during the last 50 years. Finally, this commentary emphasize that one of the most promising approaches in population ecology will be the analysis and interpretation of time series data from several species in the same place, and the integration of demographic analysis and mathematical modeling. In both cases we need long-term data of biological populations and the factors that effect them. The potential insights gained from such an approach will help ecologists to understand better the dynamics of natural populations and will have large implications for applied issues such as conservation, management, and control of natural populations
author	LIMA,MAURICIO
author_facet	LIMA,MAURICIO
author_sort	LIMA,MAURICIO
title	The dynamics of natural populations: feedback structures in fluctuating environments
title_short	The dynamics of natural populations: feedback structures in fluctuating environments
title_full	The dynamics of natural populations: feedback structures in fluctuating environments
title_fullStr	The dynamics of natural populations: feedback structures in fluctuating environments
title_full_unstemmed	The dynamics of natural populations: feedback structures in fluctuating environments
title_sort	dynamics of natural populations: feedback structures in fluctuating environments
publisher	Sociedad de Biología de Chile
publishDate	2001
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2001000200009
work_keys_str_mv	AT limamauricio thedynamicsofnaturalpopulationsfeedbackstructuresinfluctuatingenvironments AT limamauricio dynamicsofnaturalpopulationsfeedbackstructuresinfluctuatingenvironments
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The dynamics of natural populations: feedback structures in fluctuating environments

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