2016
DOI: 10.1371/journal.pone.0154532
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Response of a Habitat-Forming Marine Plant to a Simulated Warming Event Is Delayed, Genotype Specific, and Varies with Phenology

Abstract: Growing evidence shows that increasing global temperature causes population declines and latitudinal shifts in geographical distribution for plants living near their thermal limits. Yet, even populations living well within established thermal limits of a species may suffer as the frequency and intensity of warming events increase with climate change. Adaptive response to this stress at the population level depends on the presence of genetic variation in thermal tolerance in the populations in question, yet few… Show more

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Cited by 38 publications
(48 citation statements)
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“…Invertebrate consumer species differed in their preferences for detritus produced by individual seagrass genotypes, just as for insects on different genotypes of goldenrod (Maddox and Root ). Eelgrass genotypes vary in many traits potentially relevant to grazing of live and detrital tissue (Hughes et al , Tomas et al , Reynolds et al ). Since plant genetic identity may influence the susceptibility to herbivory, this can result in differences in how seagrass populations interact with invertebrates (Martinez‐Crego et al ).…”
Section: Discussionmentioning
confidence: 99%
“…Invertebrate consumer species differed in their preferences for detritus produced by individual seagrass genotypes, just as for insects on different genotypes of goldenrod (Maddox and Root ). Eelgrass genotypes vary in many traits potentially relevant to grazing of live and detrital tissue (Hughes et al , Tomas et al , Reynolds et al ). Since plant genetic identity may influence the susceptibility to herbivory, this can result in differences in how seagrass populations interact with invertebrates (Martinez‐Crego et al ).…”
Section: Discussionmentioning
confidence: 99%
“…, Reynolds et al. ). Multivariate trait distance was uncorrelated with estimates of pairwise relatedness for these genotypes (Abbott et al., unpublished manuscript), allowing us to evaluate the effects of trait diversity on eelgrass performance, independent of relatedness.…”
Section: Methodsmentioning
confidence: 99%
“…We collected the 41 genotypes across three tidal heights at five sites in Bodega Harbor, California, USA in May 2012 (Abbott et al, unpublished manuscript) and propagated them in outdoor tanks at the UC Davis Bodega Marine Laboratory to produce enough shoots for deployment in a field experiment in the summer of 2013. We estimated the relatedness of the 41 genotypes using 11 microsatellite loci selected from a pool of >30 loci designed specifically for Zostera marina (Reusch et al 1999, Reusch 2000, Oetjen and Reusch 2007, Oetjen et al 2010, Abbott and Stachowicz 2016. We determined the relatedness of all possible genotype pairs using a regression-based measure of the number of shared alleles, calibrated by the frequency of those alleles in the population (estimated using 220 unique genotypes collected at the same time as the 41) using the program STORM (Frasier 2008).…”
Section: Methodsmentioning
confidence: 99%
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“…with an increase in temperature until a threshold at which maximum photosynthesis level is achieved. [4,11,15,16], which have been reported as plant-genotype specific [17], and to temperature thresholds [16]. In rice, when temperature increases from a base of 8 °C to 36-40 °C (the thermal threshold of survival), there is an increase in leaf appearance rate [18], biomass increases until temperatures reach 33 °C [14].…”
Section: Rates Of Photosynthesis and Respiration Increasementioning
confidence: 99%