Influence of multiple factors on plant local adaptation: soil type and folivore effects in Ruellia nudiflora (Acanthaceae)

Ortegón-Campos, Ilka; Abdala‐Roberts, Luis; Parra-Tabla, Vı́ctor; Cervera, J. Carlos; Marrufo-Zapata, Denis; Herrera, Carlos M.

doi:10.1007/s10682-011-9507-5

Cited by 19 publications

(28 citation statements)

References 42 publications

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“…Therefore, the observed increase in seed herbivory with decreasing temperature could reflect a signature of adaptation of this herbivore to its original distribution range at higher and colder latitudes. In contrast, the most important leaf chewers feeding on R. nudiflora are species of Lepidoptera with a wider distribution range and adapted to conditions present in both low and high latitudes (Ortegón‐Campos et al ), with warmer temperatures and greater precipitation at lower latitudes likely favouring greater population sizes and increased damage by these herbivores. Additionally, it is also possible that leaf damage patterns might have been driven by unmeasured changes in species richness or composition of generalist leaf chewers, as reported by a recent study (Salazar and Marquis ).…”

Section: Discussionmentioning

confidence: 99%

Latitudinal variation in herbivory: influences of climatic drivers, herbivore identity and natural enemies

Moreira

Abdala‐Roberts

Parra‐Tabla

et al. 2015

Oikos

Self Cite

119

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Although a number of investigations have concluded that lower latitudes are associated with increases in herbivore abundance and plant damage, the generality of this pattern is still under debate. Multiple factors may explain the lack of consistency in latitude -herbivory relationships. For instance, latitudinal variation in herbivore pressure may be shaped entirely or not by climatic variables, or vary among herbivore guilds with diff ering life-history traits. Additionally, the strength of top -down eff ects from natural enemies on herbivores might also vary geographically and infl uence latitude -herbivory patterns. We carried out a fi eld study where we investigated the eff ects of latitude and climate on herbivory by a seed-eating caterpillar and leaf chewers, as well as parasitism associated to the former across 30 populations of the perennial herb Ruellia nudifl ora (Acanthaceae). Th ese populations were distributed along a 5 ° latitudinal gradient from northern Yucatan (Mexico) to southern Belize, representing one-third of the species ' latitudinal distribution and the entirety and one-third of the precipitation and temperature gradient of this species ' distribution (respectively). We found opposing latitudinal gradients of seed herbivory and leaf herbivory, and this diff erence appeared to be mediated by contrasting eff ects of climate on each guild. Specifi cally, univariate regressions showed that seed herbivory increased at higher latitudes and with colder temperatures, while leaf herbivory increased toward the equator and with wetter conditions. Multiple regressions including temperature, precipitation and latitude only found significant eff ects of temperature for seed herbivory and latitude for leaf herbivory. Accordingly, that latitudinal variation in seed herbivory appears to be driven predominantly by variation in temperature whereas latitudinal variation in leaf herbivory was apparently driven by other unexplored correlates of latitude. Parasitism did not exhibit variation with latitude or climatic factors. Overall, these fi ndings underscore that the factors driving latitudinal clines in herbivory might vary even among herbivore species coexisting on the same host plant.

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Section: Discussionmentioning

confidence: 99%

Latitudinal variation in herbivory: influences of climatic drivers, herbivore identity and natural enemies

Moreira

Abdala‐Roberts

Parra‐Tabla

et al. 2015

Oikos

Self Cite

119

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“…(Acanthaceae) is distributed from Texas (USA) to Honduras (Long 1977), and in Yucata´n (southeast Me´xico) it grows across a wide range of abiotic conditions (Ortego´n-Campos et al 2012). and Gray Urb.…”

Section: Natural Historymentioning

confidence: 99%

Ecological and evolutionary consequences of plant genotype diversity in a tri‐trophic system

Abdala‐Roberts

Mooney

2014

Ecology

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The mechanisms by which plant diversity influences consumers are largely unexplored. Plant diversity reduces among-plant competition, and as a result, may have cascading bottom-up effects through altered resource quantity and quality. Less understood are parallel effects of resource heterogeneity on consumer foraging behaviors, and the consequences of such effects for trophic interactions and feedbacks on plant performance. Here, we asked whether genotypic diversity in the herb Ruellia nudiflora influences seed predator (SP) and parasitoid functional responses, and if such effects in turn influence selection on the plant. We established plots with plants of one or five genetic families (pool ¼ 14) and measured fruit, seed predator, and parasitoid abundance. By eliminating direct plantplant interactions, this experiment explicitly tested for plant diversity effects occurring through altered consumer behaviors (vs. effects through changes in plant quantity or quality). We compared observed plant fitness (under three trophic levels) to projected fitness in the absence of parasitoids (two trophic levels) and in the absence of seed predation (one trophic level) by computing the number of seeds consumed by the SP and the number of seeds rescued from consumption by parasitoids. We then compared the strength and mode of selection on fruit number between levels of diversity, separately under each trophic scenario. Plant diversity did not influence fruit, seed predator, or parasitoid abundance, but did alter plant-SP interactions. SP recruitment resembled a Type II functional response but saturated weakly in polycultures, with fewer SPs at intermediate fruit abundance and more SPs at high fruit abundance relative to monoculture. Parasitoid recruitment was weakly positively density dependent and unaffected by diversity. Importantly, we found that under the bi-trophic scenario, the effect of diversity on SP recruitment altered the mode of selection on fruit number, from directional selection at low diversity to nonlinear (stabilizing) selection at high diversity. In contrast, diversity did not alter selection under mono-or tri-trophic scenarios. Therefore, diversity effects on SP functional responses fed back to alter selection on fruit number, but parasitoids eliminated this linkage by weakening herbivore selection. Collectively, these findings provide novel evidence for the mechanistic basis of eco-evolutionary feedbacks between plant diversity and consumers.

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“…So far, remarkably few studies investigated the role of plant-plant interactions (Klanderud 2005, Ariza and) and plant-soil-biota interactions (Link et al 2003, De Long et al 2014) in a climate change context, and even fewer have applied evolutionary approaches such as reciprocal transplants 4 E-mail: sara.tomiolo@gmail.com (Macel et al 2007, Lau andLennon 2011). Due to the scarce literature on the interactive effects of biotic interactions and abiotic factors on plant performance or local adaptation (Casper andCastelli 2007, Shannon et al 2012), there is very little knowledge on how changes in the abiotic environment (e.g., rainfall and soil) may interact with biotic interactions to affect plant adaptive potential to climate change (Schweiger et al 2010, Ortegon-Campos et al 2012. The paucity of information in the field is partly due to the practical difficulties of combining numerous factors together in a meaningful experiment; among those are the different rates at which above-and belowground communities react to changes (van der Putten et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Separating the role of biotic interactions and climate in determining adaptive response of plants to climate change

Tomiolo

Putten

Tielbӧrger

2015

Ecology

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Abstract. Altered rainfall regimes will greatly affect the response of plant species to climate change. However, little is known about how direct effects of changing precipitation on plant performance may depend on other abiotic factors and biotic interactions. We used reciprocal transplants between climatically very different sites with simultaneous manipulation of soil, plant population origin, and neighbor conditions to evaluate local adaptation and possible adaptive response of four Eastern Mediterranean annual plant species to climate change. The effect of site on plant performance was negligible, but soil origin had a strong effect on fecundity, most likely due to differential water retaining ability. Competition by neighbors strongly reduced fitness.We separated the effects of the abiotic and biotic soil properties on plant performance by repeating the field experiment in a greenhouse under homogenous environmental conditions and including a soil biota manipulation treatment. As in the field, plant performance differed among soil origins and neighbor treatments. Moreover, we found plant species-specific responses to soil biota that may be best explained by the differential sensitivity to negative and positive soil biota effects. Overall, under the conditions of our experiment with two contrasting sites, biotic interactions had a strong effect on plant fitness that interacted with and eventually overrode climate. Because climate and biotic interactions covary, reciprocal transplants and climate gradient studies should consider soil biotic interactions and abiotic conditions when evaluating climate change effects on plant performance.

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Influence of multiple factors on plant local adaptation: soil type and folivore effects in Ruellia nudiflora (Acanthaceae)

Cited by 19 publications

References 42 publications

Latitudinal variation in herbivory: influences of climatic drivers, herbivore identity and natural enemies

Latitudinal variation in herbivory: influences of climatic drivers, herbivore identity and natural enemies

Ecological and evolutionary consequences of plant genotype diversity in a tri‐trophic system

Separating the role of biotic interactions and climate in determining adaptive response of plants to climate change

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