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6 results for “Predator-prey experiment”
FIGURE 3 in Attack and defense in a gamasid-oribatid mite predator-prey experiment - sclerotization outperforms chemical repellency
FIGURE 3: Body size and mass of adults and tritonymphs of Archegozetes longisetosus. Stars indicate significant differences (Welch two-sample t-test, ***p<0.001).
FIGURE 1 in Attack and defense in a gamasid-oribatid mite predator-prey experiment - sclerotization outperforms chemical repellency
FIGURE 1: Consumption [%] of the predatory mite Stratiolaelaps miles feeding on differently treated adults and tritonymphs of Archegozetes longisetosus (armed= control group; disarmed= hexane treated specimens). Stars indicate significant differences (Mann-Whitney-U-test, ***p<0.001).
FIGURE 2 in Attack and defense in a gamasid-oribatid mite predator-prey experiment - sclerotization outperforms chemical repellency
FIGURE 2: Normalized amount of defensive secretion of attacked and control group Archegozetes longisetosus. Stars indicate significant differences (Mann-Whitney-U-test, ***p<0.001).
Data from: Using predator-prey theory to predict outcomes of broad-scale experiments to reduce apparent competition
Apparent competition is an important process influencing many ecological communities. We used predator-prey theory to predict outcomes of ecosystem experiments aimed at mitigating apparent competition by reducing primary prey. Simulations predicted declines in secondary prey following reductions in primary prey because predators consumed more secondary prey until predator numbers responded to reduced prey densities. Losses were exacerbated by a higher carrying capacity of primary prey and a longer lag time of the predator's numerical response, but a gradual reduction in primary prey was less detrimental to the secondary prey. We compared predictions against two field experiments where endangered woodland caribou (Rangifer tarandus caribou) were victims of apparent competition. First, when deer (Odocoileus sp.) declined suddenly following a severe winter, cougar (Puma concolor) declined with a 1–2-year lag, yet in the interim more caribou were killed by cougars, and caribou populations declined by 40%. Second, when moose (Alces alces) were gradually reduced using a management experiment, wolf (Canis lupus) populations declined but did not shift consumption to caribou, and the largest caribou subpopulation stabilized. The observed contrasting outcomes of sudden versus gradual declines in primary prey supported theoretical predictions. Combining theory with field studies clarified how to manage communities to mitigate endangerment caused by apparent competition that affects many taxa.
Data from: Using predator-prey theory to predict outcomes of broad-scale experiments to reduce apparent competition
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Greenhouse predator-prey experiments
<p>Data set of the greenhouse experiment</p> <p> </p> <p>Field evaluation of the LED effect</p>
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Allen Brain Atlas
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International Brain Laboratory public data
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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.