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Note: This curve is defined in terms of the annual coefficient of variation of average wetland depth, and hence is a measure of water depth variability of the wetland.
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GROUND, AIM, AND SCOPE: Foraging patches can be described as a nested hierarchy of aggregated resources, implying that study of foraging by wild animals should be directed across different spatial scales. However, almost all previous research on
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Wild edible plants are the ultimate in seasonal, local and sustainable produce. Fossil fuels are not expended to till the soil, sow seeds or harvest them, neither are fertilisers, herbicides or insecticides used to sustain them or to promote their
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Will Edwards, Poppy A. Whytlaw, Bradley C. Congdon, and Chris Gaskett Ecological Entomology, Vol 34, 2009, pp 527-534 1. Explanations for web relocation invoking optimal foraging require reliable differentiation between individual sites and overall
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We can never guarantee the caloric intake of each individual forager. Since our foraging camps are short (1-2 days), there is never any risk of starvation. We will always find sufficient edible leaves, flowers, seeds, roots, bulbs, bark, or fruit
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When optimal foraging theory emerged in 1966, it was highly controversial and stayed that way for years. Many criticisms of the theory centered on use of the word “optimal”. Opponents of the theory claimed that as a result of trade offs in natural
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Although pheromone trails are not the only method ants use to communicate during foraging, it will be the focus of this study. Pheromones are chemical secreted form glands on the ventral surface of the ant's abdomen. Successful foragers, lay
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Choate, David*,1, 2, Belovsky, Gary1, Wolfe, Michael2, 1 University of Notre Dame, Notre Dame, IN2 Utah State University, Logan, UT ABSTRACT- Ecologists have long debated whether predators ("top-down") or nutrients/food ("bottom-up") limit prey
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Armies can either be supplied from a supply wagon or forage for food. If it is stationed in an allied (owned) province, it consumes locally available food in the first place (this may lead to a famine in an economically weak region). If its on the
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The adaptive food-web hypothesis suggests that an adaptive foraging switch inverses the classically negative complexity-stability relationships of food webs into positive ones, providing a possible resolution for the long-standing paradox of how
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