Show simple item record

dc.contributor.authorCropp, Rogeren_US
dc.contributor.authorNorbury, Johnen_US
dc.contributor.editorD. Kirschner, Y. Iwasa, L. Wolperten_US
dc.date.accessioned2017-04-04T15:00:01Z
dc.date.available2017-04-04T15:00:01Z
dc.date.issued2012en_US
dc.date.modified2012-08-01T02:26:09Z
dc.identifier.issn0022-5193en_US
dc.identifier.doi10.1016/j.jtbi.2011.10.028en_US
dc.identifier.urihttp://hdl.handle.net/10072/45883
dc.description.abstractWe synthesize the generic properties of ecologically realistic multi-trophic level models and define criteria for ecological realism. We define an ''ecospace'' in which all ecologically realistic dynamics are confined, and construct ''resource rays'' that define the resources available to each species at every point in the ecospace. Resource rays for a species are lines from a vertex of maximum resource to the opposite boundary where no resources are available. The growth functions of all biota normally decrease along their resource rays, and change sign from positive to negative. This property prescribes that each species must have a zero isosurface within the ecospace. We illustrate our conditions on a highly cited three trophic level model from population dynamics, showing how to extend this system biologically consistently to a closed ecological system. Our synthesis extends the concept of carrying capacity of population models to explicitly include exhaustion of limiting resources, and so allows for population biology models to be considered as ecologically closed systems with respect to a key limiting nutrient. This approach unifies many theoretical and applied models in a common biogeochemical framework, facilitates better understanding of the key structures of complex ecologies, and suggests strategies for efficient design of experiments. Crown Copyright & 2011en_US
dc.description.peerreviewedYesen_US
dc.description.publicationstatusYesen_US
dc.format.extent3442114 bytes
dc.format.mimetypeapplication/pdf
dc.languageEnglishen_US
dc.language.isoen_US
dc.publisherElsevieren_US
dc.publisher.placeUniteed Kingdomen_US
dc.relation.ispartofstudentpublicationNen_US
dc.relation.ispartofpagefrom1en_US
dc.relation.ispartofpageto8en_US
dc.relation.ispartofjournalJournal of Theoretical Biologyen_US
dc.relation.ispartofvolume294en_US
dc.rights.retentionYen_US
dc.subject.fieldofresearchEnvironmental Sciences not elsewhere classifieden_US
dc.subject.fieldofresearchcode059999en_US
dc.titleConstructing ecologiesen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.facultyGriffith Sciences, Griffith School of Environmenten_US
gro.rights.copyrightCopyright 2011 Elsevier Ltd. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.en_US
gro.date.issued2012
gro.hasfulltextFull Text


Files in this item

This item appears in the following Collection(s)

  • Journal articles
    Contains articles published by Griffith authors in scholarly journals.

Show simple item record