Maternal effects mechanism of population cycling: a formidable competitor to the traditional predatorprey view
Identifieur interne : 000244 ( France/Analysis ); précédent : 000243; suivant : 000245Maternal effects mechanism of population cycling: a formidable competitor to the traditional predatorprey view
Auteurs : Pablo Inchausti [France] ; Lev R. Ginzburg [États-Unis]Source :
- Philosophical Transactions of The Royal Society B [ 0962-8436 ] ; 2009.
Abstract
In the language of mathematics, one needs minimally two interacting variables (two dimensions) to describe repeatable periodic behaviour, and in the language of density dependence, one needs delayed, not immediate, density dependence to produce cyclicity. Neither language specifies the causal mechanism. There are two major potential mechanisms: exogenous mechanisms involving species interactions as in predatorprey or hostparasite, and endogenous mechanisms such as maternal effects where population growth results from the cross-generational transmission of individual quality. The species interactions view stemming from a major observation of Elton and a simultaneous independent theory by Lotka and Volterra is currently dominant. Most ecologists, when faced with cyclic phenomena, automatically look for an interacting species one step below or above in a food chain in order to find an explanation. Maternal effects hypothesis, verbally suggested in the 1950s, had only found its theoretical implementation in the 1990s. In a relatively short time, the degree of acceptance of this view grew to the level of a minority opinion as evidenced by the widely used textbook of Begon et al. This short review attempts to describe the arguments for and against this internal two-dimensional approach.
Url:
DOI: 10.1098/rstb.2008.0292
Affiliations:
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Badyaev</title><idno type="ISSN">0962-8436</idno><idno type="eISSN">1471-2970</idno><imprint><publisher>The Royal Society</publisher><pubPlace>London</pubPlace><date type="e-published">2009</date><date type="published">2009</date><biblScope unit="vol">364</biblScope><biblScope unit="issue">1520</biblScope><biblScope unit="page" from="1117">1117</biblScope><biblScope unit="page" to="1124">1124</biblScope></imprint><idno type="ISSN">0962-8436</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0962-8436</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In the language of mathematics, one needs minimally two interacting variables (two dimensions) to describe repeatable periodic behaviour, and in the language of density dependence, one needs delayed, not immediate, density dependence to produce cyclicity. Neither language specifies the causal mechanism. There are two major potential mechanisms: exogenous mechanisms involving species interactions as in predatorprey or hostparasite, and endogenous mechanisms such as maternal effects where population growth results from the cross-generational transmission of individual quality. The species interactions view stemming from a major observation of Elton and a simultaneous independent theory by Lotka and Volterra is currently dominant. Most ecologists, when faced with cyclic phenomena, automatically look for an interacting species one step below or above in a food chain in order to find an explanation. Maternal effects hypothesis, verbally suggested in the 1950s, had only found its theoretical implementation in the 1990s. In a relatively short time, the degree of acceptance of this view grew to the level of a minority opinion as evidenced by the widely used textbook of Begon et al. This short review attempts to describe the arguments for and against this internal two-dimensional approach.</div></front></TEI><affiliations><list><country><li>France</li><li>États-Unis</li></country><region><li>État de New York</li></region></list><tree><country name="France"><noRegion><name sortKey="Inchausti, Pablo" sort="Inchausti, Pablo" uniqKey="Inchausti P" first="Pablo" last="Inchausti">Pablo Inchausti</name></noRegion></country><country name="États-Unis"><region name="État de New York"><name sortKey="Ginzburg, Lev R" sort="Ginzburg, Lev R" uniqKey="Ginzburg L" first="Lev R" last="Ginzburg">Lev R. Ginzburg</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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