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Temperature-induced shifts in selective pressure at a critical developmental transition

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dc.contributor Australian Institute Of Marine Science
dc.contributor James Cook Univ N Queensland
dc.contributor Sch Marine & Trop Biol
dc.contributor James Cook University
dc.contributor Australian Res Council Ctr Excellence Coral Reef
dc.contributor No Terr Univ
dc.contributor Australian Inst Marine Sci
dc.contributor Charles Darwin University
dc.contributor Australian Institute Of Marine Science (aims) en MEEKAN, MARK G. GAGLIANO, MONICA MCCORMICK, MARK I. 2017-03-21T01:19:06Z 2013-02-28T06:53:44Z 2017-03-21T01:19:06Z 2019-07-08T02:19:54Z 2013-02-28T06:53:44Z 2013-02-28T06:53:44Z 2017-03-21T01:19:06Z 2019-07-08T02:19:54Z 2007-05-01
dc.identifier 7641 en
dc.identifier.citation Gagliano M, McCormick MI and Meekan MG (2007) Temperature-induced shifts in selective pressure at a critical developmental transition. Oecologia. 152: 219-225. en
dc.identifier.issn 0029-8549
dc.description Link to abstract/full text - en
dc.description.abstract Selective mortality within a population, based on the phenotype of individuals, is the foundation of the theory of natural selection. We examined temperature-induced shifts in the relationships among early life history traits and survivorship over the embryonic and larval stages of a tropical damselfish, Pomacentrus amboinensis. Our experiments show that temperature determines the intensity of selective mortality, and that this changes with ontogeny. The size of energy stores determined survival through to hatching, after which egg size became a good indicator of fitness as predicted by theoretical models. Yet, the benefits associated with egg size were not uniform among test temperatures. Initial egg size positively influenced larval survival at control temperature (29 degrees C). However, this embryonic trait had no effect on post-hatching longevity of individuals reared at the higher (31 degrees C) and lower (25 degrees C) end of the temperature range. Overall, our findings indicate that the outcome of selective mortality is strongly dependent on the interaction between environment conditions and intrinsic developmental schedules.
dc.description.uri en
dc.language English
dc.language en en
dc.relation.ispartof Oecologia - pages: 152: 219-225 en
dc.relation.ispartof Null
dc.subject Selective Mortality
dc.subject Atlantic Salmon
dc.subject Quality
dc.subject Marine Fish
dc.subject Ecology
dc.subject Larval Size
dc.subject Growth
dc.subject Fitness
dc.subject Coral-reef Fish
dc.subject Environmental Sciences & Ecology
dc.subject Recruitment
dc.subject Egg-size
dc.subject Early Life History Traits
dc.subject Coral Reef Fish
dc.subject Predation
dc.subject Bigger Is Better Hypothesis
dc.subject Egg Size
dc.title Temperature-induced shifts in selective pressure at a critical developmental transition
dc.type journal article en
dc.identifier.doi 10.1007/s00442-006-0647-1
dc.identifier.wos WOS:000246276200004

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