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5 results for “multidimensional plasticity”
Multidimensional plasticity of phenology: Assessing the effects of population density on plastic responses of breeding time to temperature
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Data from: Multidimensional plasticity in the Glanville fritillary butterfly: larval performance is temperature, host and family specific
<p>Variation in environmental conditions during development can lead to changes in life-history traits with long-lasting effects. Here, we study how variation in temperature and host plant, i.e. the consequences of potential maternal oviposition choices, affects a suite of life-history traits in pre-diapause larvae of the Glanville fritillary butterfly. We focus on offspring survival, larval growth rates and relative fat reserves, and pay specific attention to intraspecific variation in the responses (GxExE). Globally, thermal performance and survival curves varied between diets of two host plants, suggesting that host modifies the temperature impact, or <i>vice versa</i>. Additionally, we show that the relative fat content has a host-dependent, discontinuous response to developmental temperature. This implies that a potential switch in resource allocation, from more investment in growth at lower temperatures to storage at higher temperatures, is dependent on the larval diet. Interestingly, a large proportion of the variance in larval performance is explained by differences among families, or interactions with this variable. Finally, we demonstrate that these family-specific responses to the host plant remain largely consistent across thermal environments. Altogether, the results of our study underscore the importance of paying attention to intraspecific trait variation in the field of evolutionary ecology.</p>
Data from: Multidimensional plasticity in the Glanville fritillary butterfly: larval performance is temperature, host and family specific
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A multidimensional approach to the expression of phenotypic plasticity
<p>Phenotypic plasticity is increasingly recognized as a key element of eco-evolutionary dynamics, but it remains challenging to assess because of its multidimensional nature. Indeed, organisms live in complex environments where numerous factors can impact the phenotypic expression of traits (inter-environment axis), possess multiple traits that can influence each other's expression (inter-trait axis), and differ in their genetic background (inter-genotype axis), which can not only impact the traits' values but also their plasticity.</p> <p>We addressed six questions related to phenotypic plasticity: (1) do different environmental gradients show similar effects on a given trait? (2) Are the effects of two environmental gradients on a trait additive? (3) Do different traits show similar plastic response to a given environmental gradient? (4) Do the (co)variances between traits vary across environmental gradients? (5) Do genotypes differ in their plastic response to a given environmental gradient? (6) Are some genotypes more plastic than others across all traits?</p> <p>We designed a microcosm experiment using the protist Tetrahymena thermophila aimed at encompassing all these aspects of phenotypic plasticity. We exposed 15 distinct genotypes to 25 combinations of temperature and nutrient availability and assessed the plasticity of five phenotypic traits.</p> <p>Our results show strong differences in the plastic response depending on the environmental gradient, not only regarding the shape of the reaction norm of the different traits tested, but also in the overall plasticity of the organisms. We did not find any covariance between traits that was consistent across all environments.</p> <p>Overall, our results suggest independent impacts of the environmental dimension considered on the observed plastic response. These results underline potential difficulties in generalising findings about plasticity to all environments and all traits.</p>
A multidimensional approach to the expression of phenotypic plasticity
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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