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86 results for “Resource allocation”
Negative body size-dependent resource allocation underlies conspicuous sexual ornaments in a territorial damselfly
<p><span><span><span><span><span><span><span><span><span><span><span>Sexual ornaments, signaling individual quality to choosing females or rival males, often show steeper body size scaling compared to non-sexually selected traits. Theory posits such steeper body size scaling is the result of differential resource allocation, reflecting trade-offs between different components of fitness. Yet the process of resource allocation towards body size-dependent sexual ornaments has been rarely understood empirically. Using the Neotropical territorial damselfly <i>Megaloprepus caerulatus</i>, whose males and females carry wax-based, sex-specific white wing bands and white wing tips respectively, we investigated nutrition sensitivity and body size scaling of both traits by manipulating larval food availability and directly quantified both the fat allocated to wing ornaments and the fat reserve from which allocations are made. Both color traits exhibited sensitivity to food availability during larval development and steeper body size scaling compared to control traits. Although the absolute amount of fat invested in developing the color ornaments increased with body size, the proportion of total fat allocated to the ornaments decreased with body size, making exaggerated ornaments less affordable for smaller individuals. Our data demonstrate that knowledge of affordability of exaggeration for resource-based sexual ornament, which requires measuring the resource pool from which ornaments are derived is essential for understanding the maintenance of honesty of sexual signals. </span></span></span></span></span></span></span></span></span></span></span></p>
Figure 3 from: Ting JJ, Judge KA, Gwynne DT (2017) Listening to male song induces female field crickets to differentially allocate reproductive resources. Journal of Orthoptera Research 26: 205-210. https://doi.org/10.3897/jor.26.19891
Figure 3 - Mean (±SE) size of embryos laid during: the first week following treatment (Week 1), and the subsequent weeks following treatment (Post Week 1) of females who experienced either low- (grey symbols) or high- (black symbols) quality calling song.
Figure 2 from: Ting JJ, Judge KA, Gwynne DT (2017) Listening to male song induces female field crickets to differentially allocate reproductive resources. Journal of Orthoptera Research 26: 205-210. https://doi.org/10.3897/jor.26.19891
Figure 2 - Mean (±SE) change in mass during: the first week following treatment (Week 1), and the subsequent weeks following treatment (Post Week 1) of females who experienced either low- (grey symbols) or high- (black symbols) quality calling song.
Figure 1 from: Ting JJ, Judge KA, Gwynne DT (2017) Listening to male song induces female field crickets to differentially allocate reproductive resources. Journal of Orthoptera Research 26: 205-210. https://doi.org/10.3897/jor.26.19891
Figure 1 - Mean (±SE) latency of females to choose the speaker broadcasting either low- or high-quality calling song.
Figure 4 from: Ting JJ, Judge KA, Gwynne DT (2017) Listening to male song induces female field crickets to differentially allocate reproductive resources. Journal of Orthoptera Research 26: 205-210. https://doi.org/10.3897/jor.26.19891
Figure 4 - Mean (±SE) embryo laying rate during: the first week following treatment (Week 1), and the subsequent weeks following treatment (Post Week 1) of females who experienced either low- (grey symbols) or high- (black symbols) quality calling song.
Resource allocation effects on the timing of reproduction in an avian habitat specialist
<p>Variation in nutrient allocation can influence the timing of breeding and ultimately reproductive output. Time and space constraints might exist, however, if fewer food resources are available to meet the costs of reproduction early during the reproductive season. Here, for the first time, we test whether nutrient allocation strategies for reproduction in a shrub-dependent avian species differs with timing of breeding in different ecoregions: a high-elevation landscape, containing spatially complex vegetation (Rocky Mountains) versus a low-elevation, more homogenous landscape (Great Plains). We analyzed data collected from radio-telemetry and stable isotopes to assess the degree to which endogenous (body) reserves are used for reproduction and whether variation in allocation strategies was associated with time of year, ecoregion, habitat quality (including sagebrush type and plant greenness), or maternal characteristics. Using a Bayesian statistical framework, we found that females relied on a similar amount of endogenous reserves for reproduction in first nesting and renesting attempts. Additionally, endogenous contributions declined more rapidly throughout the nesting season in the Rocky Mountains than in the Great Plains. Individuals in high- and intermediate-elevation sagebrush types in the Rocky Mountains used similar amounts of endogenous reserves, whereas females nesting in low-elevation sagebrush used less. Females nesting at intermediate elevations, which experience the greatest flush of new green vegetation during the nesting season, switched their reliance from endogenous to exogenous sources for reproduction as green vegetation became available during spring. Our study highlights adaptations of a nutrient-allocation strategy across areas with varying levels of resources in time and space in a habitat specialist bird. Nutrient allocation by individuals residing in high-elevation areas favors a strategy that mainly uses nutrients gained from wintering habitats, whereas individuals residing in low-elevation areas mainly use exogenous sources for reproduction.</p>
Dataset of the paper: "POLICIER: Pareto-OptimaL allocatIon of Continuous IntEgration Resources"
<p>This repository contains the dataset of the paper "POLICIER: Pareto-OptimaL allocatIon of Continuous IntEgration Resources"</p>
Resource allocation effects on the timing of reproduction in an avian habitat specialist
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Data from: Fruiting strategies of perennial plants: a resource budget model to couple mast seeding to pollination efficiency and resource allocation strategies
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Allocating resources for land protection using continuous optimization: an application to US biodiversity conservation
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Data from: Resource allocation and seed size selection in perennial plants under pollen limitation
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Data from: Pollen feeding, resource allocation and the evolution of chemical defense in passion vine butterflies
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Data from: Optimum design of family structure and allocation of resources in association mapping with lines from multiple crosses
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Data from: Dividing a maternal pie among half-sibs: genetic conflicts and the control of resource allocation to seeds in maize
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Negative body size-dependent resource allocation underlies conspicuous sexual ornaments in a territorial damselfly
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Data from: Relationships between resprouting ability, species traits, and resource allocation patterns in woody species in a temperate forest
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Regulated resource re-allocation is transcriptionally hard wired into the yeast stress response
GEO Series GSE283327. Saccharomyces cerevisiae BY4741. 81 samples. Type: Expression profiling by high throughput sequencing.
Different resource allocation in a Bacillus subtilis population displaying bimodal motility
GEO Series GSE164348. Bacillus subtilis. 4 samples. Type: Expression profiling by high throughput sequencing.
Online companion - A New Cooperative Framework for a Fair and Cost-Optimal Allocation of Resources within a Low Voltage Electricity Community
<p>Simulation parameters used for the article "A New Cooperative Framework for a Fair and Cost-Optimal Allocation of Resources within a Low Voltage Electricity Community" submitted for review in IEEE Transactions on Smart grid</p>
Metadane dla Energy-Efficient OFDM Radio Resource Allocation Optimization With Computational Awareness: A Survey
<p>Metadata for Energy-Efficient OFDM Radio Resource Allocation Optimization With Computational Awareness: A Survey</p>
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.