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5 results for “resource restriction”
Lack of pollinators selects for increased selfing, restricted gene flow and resource allocation in the rare Mediterranean sage Salvia brachyodon
<p>Salvia brachyodon (Lamiaceae): raw data on flower morphometry, nectar concentration and volume and seed weight according various pollination treatments.</p>
20230120-MTOA: Carrying fewer tasks does not affect the accuracy of resource-restricted agents but improves the prosperity and equitability of agent societies.
This archive contains the results of a multi-agent simulation experiment [1] carried out with Lazy lavender [2] environment.<br><br>Experiment Label: 202300120-MTOA<br><br>Experiment design: Agents specialize through expressing their preferences.<br><br>Experiment setting: Agents are trained with respect to different tasks and then coordinate upon acting on them. Each time they disagree, one agent adapts its knowledge with respect to the current task.<br><br>Hypotheses: The higher is the number of carried out tasks, the higher the average accuracy is.<br><br>Detailed information can be found in index.html or notebook.ipynb.<br><br>[1] <a href="https://sake.re/20230120-MTOA">https://sake.re/20230120-MTOA</a><br>[2] <a href="https://gitlab.inria.fr/moex/lazylav/">https://gitlab.inria.fr/moex/lazylav/</a><br><br>
20230110-MTOA: Carrying fewer tasks is detrimental to the accuracy of agents with un-restricted resources.
<p>This archive contains the results of a multi-agent simulation experiment [1] carried out with Lazy lavender [2] environment.<br><br>Experiment Label: 20230110-MTOA<br><br>Experiment design: Agents specialize by focusing on specific tasks.<br><br>Experiment setting: Agents are trained with respect to different tasks and then coordinate upon acting on them. Each time they disagree, one agent adapts its knowledge with respect to the current task.<br><br>Hypotheses: The higher is the number of carried out tasks, the higher the average accuracy is.<br><br>Detailed information can be found in index.html or notebook.ipynb.<br><br>[1] <a href="https://sake.re/20230110-MTOA">https://sake.re/202300110-MTOA</a><br>[2] <a href="https://gitlab.inria.fr/moex/lazylav/">https://gitlab.inria.fr/moex/lazylav/</a><br><br></p>
Data from: Extended phenotypes and foraging restrictions: ant nest entrances and resource ingress in leaf-cutting ants
Several factors may restrict the acquisition of food to below the levels predicted by the optimization theory. However, how the design of structures that animals build for foraging restrict the entry of food are less known. Using scaling relationships we determined whether the design of the entrances of leaf-cutting ant nests restricts resource input into the colony. We measured nests and foraging parameters in 25 nests of Atta cephalotes in a tropical rain forest. Ant flux was reduced to up to 60% at nest entrances. The width of all entrances per nest increased at similar rates as nest size, but the width of nest entrances increased with the width of its associated trail at rates below those expected by isometry. The fact that entrance widths grow slower than trail widths suggests that the enlargement of entrance holes does not reach the dimensions needed to avoid delays when foraging rates are high and loads are big. The enlargement of nest entrances appears to be restricted by the digging effort required to enlarge nest tunnels, and by increments in the risk of inundation, predator/parasitoid attacks, and microclimate imbalances inside the nest. The design of the extended phenotypes can also restrict the ingress of food into the organisms, offering additional evidence to better understand eventual controversies between empirical data and the foraging theory.
Data from: Extended phenotypes and foraging restrictions: ant nest entrances and resource ingress in leaf-cutting ants
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Allen Brain Atlas
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International Brain Laboratory public data
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