Hope Kincaid, Cathy A Coyne, Roya Hamadani, Timothy Friel
Validation of three health literacy screening questions compared with S-TOFHLA in a low-income diverse English- and Spanish-Speaking population
Journal of public health (Oxford, England)
amongindividual withinindividual variation expression seasonal migration versus residence widespread nature could substantially affect dynamics partially migratory metapopulations inhabiting seasonally spatially structured environments however variation rarely explicitly incorporated metapopulation dynamic models partially migratory systems therefore lack general frameworks identify variable seasonal movements associated season locationspecific vital rates control system persistence constructed novel conceptual framework captures fullannualcycle dynamics key dimensions metapopulation structure partially migratory species inhabiting seasonal environments conceptualize amongindividual variation seasonal migration two variable vital rates seasonal movement probability associated movement survival probability conceptualize three levels withinindividual variation ie plasticity representing seasonal annual variation seasonal migration lifelong fixed strategies formulate concepts general matrix model customizable diverse lifehistories seasonal landscapes illustrate variable seasonal migration affect metapopulation growth rate demographic structure vital rate elasticities parameterize general models hypothetical short longerlived species analyses illustrate elasticities seasonal movement probability associated survival probability sometimes equal exceed vital rates typically understood substantially influence metapopulation dynamics ie seasonal survival probability fecundity elasticities vary nonlinearly metapopulation outcomes depend level withinindividual plasticity illustrate general framework applied evaluate consequences variable changing seasonal movement probability parameterizing models real partially migratory metapopulation european shags gulosus aristotelis assuming lifelong fixed strategies given observed conditions metapopulation growth rate elastic breeding season adult survival resident fraction dominant population however given doubled seasonal movement probability variation survival movement would become primary driver metapopulation dynamics general conceptual matrix model frameworks illustrative analyses thereby highlight complex ways structured variation seasonal migration influence dynamics partially migratory metapopulations pave way diverse future theoretical empirical advances