ORCID Profile
0000-0001-6102-1110
Current Organisations
Hospital General Universitario Morales Meseguer
,
Universidad de Murcia Facultad de Medicina
,
University of California Davis
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Publisher: Wiley
Date: 23-03-2020
DOI: 10.1002/EAP.2108
Publisher: Wiley
Date: 07-2013
DOI: 10.1111/ELE.12136
Abstract: Populations on the edge of an expanding range are subject to unique evolutionary pressures acting on their life-history and dispersal traits. Empirical evidence and theory suggest that traits there can evolve rapidly enough to interact with ecological dynamics, potentially giving rise to accelerating spread. Nevertheless, which of several evolutionary mechanisms drive this interaction between evolution and spread remains an open question. We propose an integrated theoretical framework for partitioning the contributions of different evolutionary mechanisms to accelerating spread, and we apply this model to invasive cane toads in northern Australia. In doing so, we identify a previously unrecognised evolutionary process that involves an interaction between life-history and dispersal evolution during range shift. In roughly equal parts, life-history evolution, dispersal evolution and their interaction led to a doubling of distance spread by cane toads in our model, highlighting the potential importance of multiple evolutionary processes in the dynamics of range expansion.
Publisher: The Royal Society
Date: 2020
Abstract: Body size is a trait that broadly influences the demography and ecology of organisms. In unitary organisms, body size tends to increase with age. In modular organisms, body size can either increase or decrease with age, with size changes being the net difference between modules added through growth and modules lost through partial mortality. Rates of colony extension are independent of body size, but net growth is allometric, suggesting a significant role of size-dependent mortality. In this study, we develop a generalizable model of partitioned growth and partial mortality and apply it to data from 11 species of reef-building coral. We show that corals generally grow at constant radial increments that are size independent, and that partial mortality acts more strongly on small colonies. We also show a clear life-history trade-off between growth and partial mortality that is governed by growth form. This decomposition of net growth can provide mechanistic insights into the relative demographic effects of the intrinsic factors (e.g. acquisition of food and life-history strategy), which tend to affect growth, and extrinsic factors (e.g. physical damage, and predation), which tend to affect mortality.
Publisher: Elsevier BV
Date: 11-2022
Publisher: Wiley
Date: 2021
DOI: 10.1002/BES2.1793
Publisher: Elsevier BV
Date: 08-2019
Publisher: Wiley
Date: 12-10-2020
DOI: 10.1002/EAP.2215
Publisher: Public Library of Science (PLoS)
Date: 10-2014
Location: United States of America
No related grants have been discovered for Marissa Baskett.