Four types of interference competition and their impacts on the ecology and evolution of size-structured populations and communities

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accepted 77131 2 213135 document 77131 lightbox.jpg image/png e3825862389679158da16ab8a89e05ef MD5 35255 2017-04-25 09:47:33 https://pure.iiasa.ac.at/id/eprint/11435/2/lightbox.jpg 11435 2 2 image/png other Thumbnails conversion from text to thumbnail_lightbox en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/77130 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/77130 http://eprints.org/relation/isIndexCodesVersionOf https://pure.iiasa.ac.at/id/document/77130 archive 351 disk0/00/01/14/35 2016-01-15 08:53:15 2021-08-27 17:25:07 2016-01-15 08:53:15 article show Zhang L. Andersen K.H. Dieckmann U. 1668 0000-0001-7089-0393 Brännström Å. 8085 Four types of interference competition and their impacts on the ecology and evolution of size-structured populations and communities pub iis_ecl prog_eep adaptive dynamics; biodiversity; evolutionary branching; food webs; size structured populations We investigate how four types of interference competition - which alternatively affect foraging, metabolism, survival, and reproduction - impact the ecology and evolution of size-structured populations. Even though all four types of interference competition reduce population biomass, interference competition at intermediate intensity sometimes significantly increases the abundance of adult individuals and the population's reproduction rate. We find that foraging and metabolic interference evolutionarily favor smaller maturation size when interference is weak and larger maturation size when interference is strong. The evolutionary response to survival interference and reproductive interference is always larger maturation size. We also investigate how the four types of interference competition impact the evolutionary dynamics and resultant diversity and trophic structure of size-structured communities. Like other types of trait-mediated competition, all four types of interference competition can induce disruptive selection and thus promote initial diversification. Even though foraging interference and reproductive interference are more potent in promoting initial diversification, they catalyze the formation of diverse communities with complex trophic structure only at high levels of interference intensity. By contrast, survival interference does so already at intermediate levels, while reproductive interference can only support relatively smaller communities with simpler trophic structure. Taken together, our results show how the type and intensity of interference competition jointly affect coexistence patterns in structured population models. 2015-09 published Elsevier 10.1016/j.jtbi.2015.05.023 XJ-15-127 Journal of Theoretical Biology; 380:280-290 (September 2015) (Published online 27 May 2015) [doi:10.1016/j.jtbi.2015.05.023] 66 39 public Journal of Theoretical Biology 380 280-290 TRUE 1095-8541 FALSE info:eu-repo/semantics/article