Bibliographies thématiques / Foraging behaviors

Littérature scientifique sur le sujet « Foraging behaviors »

Auteur : Grafiati
Publié le 25 mai 2024

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Articles de revues sur le sujet "Foraging behaviors"

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Su, Weixing, Lin Na, Fang Liu, Wei Liu, Muhammad Aqeel Ashraf et Hanning Chen. « Artificial Plant Root System Growth for Distributed Optimization : Models and Emergent Behaviors ». Open Life Sciences 11, no 1 (1 janvier 2016) : 447–57. http://dx.doi.org/10.1515/biol-2016-0059.

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AbstractPlant root foraging exhibits complex behaviors analogous to those of animals, including the adaptability to continuous changes in soil environments. In this work, we adapt the optimality principles in the study of plant root foraging behavior to create one possible bio-inspired optimization framework for solving complex engineering problems. This provides us with novel models of plant root foraging behavior and with new methods for global optimization. This framework is instantiated as a new search paradigm, which combines the root tip growth, branching, random walk, and death. We perform a comprehensive simulation to demonstrate that the proposed model accurately reflects the characteristics of natural plant root systems. In order to be able to climb the noise-filled gradients of nutrients in soil, the foraging behaviors of root systems are social and cooperative, and analogous to animal foraging behaviors.
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Wolf, Shelby, et Daniel Houlihan. « Behavioral Perspectives on Risk Prone Behavior : Why Do People Take Risks ? » International Journal of Psychological Studies 10, no 2 (11 mai 2018) : 71. http://dx.doi.org/10.5539/ijps.v10n2p71.

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Utilizing the principles and concepts of behavioral economics and operant psychology, researchers in both fields initiated the creation of the optimal foraging theory. This theory describes foraging behaviors mostly within animals other than humans. However, within recent empirical studies, optimal foraging theory has been modified to explain risky choices and decision-making processes within the context of risk-sensitive foraging theory for both animals and humans alike. Although most individuals belonging to the homo sapiensspecies would not like to admit that their behavior is very animalistic in nature, there is a great deal of veracity behind this idea, ranging from explaining gambling behavior to addictive behaviors to even homicide. Risk prone behavior describes behavior elicited for the potential gain of rewards under certain conditions, usually competitive in nature. The purpose of the current paper is to shed some light on this topic and how it relates to the most primitive of behaviors exhibited by human beings.
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Temeles, Ethan J. « Reversed Sexual Size Dimorphism : Effect on Resource Defense and Foraging Behaviors of Nonbreeding Northern Harriers ». Auk 103, no 1 (1 janvier 1986) : 70–78. http://dx.doi.org/10.1093/auk/103.1.70.

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Abstract Sexual differences in resource defense and foraging behaviors during the nonbreeding season are detailed for Northern Harriers (Circus cyaneus) in California. Female harriers hunted more frequently in high (>0.5 m) vegetation than males. In addition, females hunted at slower speeds and used different hunting behaviors than males. Females in high vegetation showed a significantly greater response (i.e. attack) rate to approaching harriers than males, and females won nearly all (28/29) aggressive interactions with males. These results suggest that sexual differences in harrier foraging behavior during the nonbreeding season result from females excluding males from preferred foraging areas and males adopting alternative foraging strategies. Foraging strategies of harrier sexes are compared with foraging strategies of sexes of birds in which males are larger than females to examine the role of body size in determining sexual foraging strategies.
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Dailey, Megan J., et Timothy J. Bartness. « Appetitive and consummatory ingestive behaviors stimulated by PVH and perifornical area NPY injections ». American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 296, no 4 (avril 2009) : R877—R892. http://dx.doi.org/10.1152/ajpregu.90568.2008.

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Food is acquired (obtained by foraging) and frequently stored (hoarded) across animal taxa, including humans, but the physiological mechanisms underlying these behaviors are virtually unknown. We found that peptides that stimulate food intake in rats stimulate food foraging and/or hoarding more than intake in Siberian hamsters. Neuropeptide Y (NPY) is a potent orexigenic peptide that increases food foraging and hoarding (appetitive behavior) and food intake (consummatory behavior). Given that NPY injections into the hypothalamic paraventricular nucleus (PVH) or perifornical area (PFA) increase food intake by rats, it is possible that these injections may stimulate food foraging or hoarding by Siberian hamsters. We also tested whether antagonism of the NPY Y1 receptor (Y1-R), the agonism of which stimulates hoarding, would inhibit post-food-deprivation increases in foraging and hoarding. We injected one of three doses of NPY or vehicle into the PVH or PFA of animals housed in a simulated foraging-hoarding housing system and measured these behaviors at 1, 2, 4, and 24 h. A subset of animals was subsequently food deprived and then given PVH or PFA Y1-R antagonist microinjections before they were refed. NPY PVH microinjections decreased foraging but increased hoarding and food intake, whereas NPY PFA microinjections increased all three behaviors, but the greatest increase was in hoarding. Y1-R antagonist inhibited post-food-deprivation increases in hoarding when injected into the PVH and PFA and inhibited foraging when injected into the PFA. These results support the view that NPY is involved in appetitive and consummatory ingestive behaviors, but each may be controlled by different brain areas and/or NPY receptor subtypes.
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Asem Surindro Singh et Machathoibi Takhellambam Chanu. « Combined role of immediate early genes Egr-1, Hr-38 and Kakusei in the foraging behavior and learning in honeybees ». World Journal of Advanced Research and Reviews 16, no 2 (30 novembre 2022) : 458–65. http://dx.doi.org/10.30574/wjarr.2022.16.2.1169.

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The foraging behavior of honeybees is one of the most systematically composed behaviors among social insects which are admirable to watch. The main purpose of honeybee foraging is to collect food for their colony and since ancient days honeybee products have been used for various medicinal purposes (Singh and Takhellambam, 2021) (1). During foraging, honeybees gather information and transmit to their colony members regarding the location, distance, and profitability of forage sites with the help of unique movements called waggle dance. The capacities of honeybees’ time memory enable the foragers to return to a good food source in anticipation of the time of day. This highly intellectual, dynamic, and well-coordinated behavior of honeybees makes them to be one of the best choices of behavioral model to study various aspects of dynamic behaviors. As a result, vast knowledge in honeybee behavior has been accumulated and several recent studies immerge towards finding the underpinning regulatory biology of honeybee foraging behaviors. Immediate early genes (IE) genes are well documented neural markers and their promising roles in honeybee foraging have been demonstrated. Two of our recent studies showed three IE genes Egr-1, Hr-38 and Kakusei involvement during the daily foraging of honeybees. This finding has provided an avenue to further explore and identify the regulatory genes/proteins and neurons that underlie a specific behavior such as learning, memory, communication, and interaction etc. In this study we further analyze our previous published data to examine interaction of the three genes during the daily foraging of honeybees.
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Rombach, Meike, et David L. Dean. « Exploring Key Factors Driving Urban Foraging Behavior in Garden and Non-Garden Locations ». Foods 12, no 5 (28 février 2023) : 1032. http://dx.doi.org/10.3390/foods12051032.

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Since the occurrence of COVID-19 and food price inflation, alternative forms of food procurement increased in popularity. The present study is dedicated to urban foraging and aims to explore key factors driving food foraging behavior in the U.S. Two specific foraging behaviors, namely “leaving food behind” or “taking it all”, have been investigated in a gardening and non-gardening location. Leaving food behind is crucial to sustainable foraging practices, as it allows plants and ecosystems to recover and promotes fairness in foraging communities. Data was procured from an online consumer survey and analyzed using SmartPLS 4, which allowed the use of partial least square structural equation modeling (PLS-SEM). PLS-SEM is particularly suitable for complex exploratory studies as it does not require distributional assumptions. Results indicate that nature and food attitudes predict attitudes toward urban foraging. Foraging attitudes, such as food foraging is challenging and food foraging benefits people and the planet, which are the most important drivers for taking or leaving behaviors in both types of locations. These findings are of relevance to managers in municipalities, landscape designers, horticultural businesses, and other stakeholders who create, shape, and govern landscapes used for food foraging.
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Zumpano, Francisco, Melina V. Castano, Marco Favero et Germán O. García. « Factors affecting individual foraging behavior in a threatened seabird : Olrog’s Gull (Larus atlanticus) as a case study ». Canadian Journal of Zoology 99, no 8 (août 2021) : 658–64. http://dx.doi.org/10.1139/cjz-2020-0203.

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The analysis of feeding strategies in animals is one of the most important topics in foraging ecology. The individual’s foraging behavior depends on both the individual’s own actions and the behavior of other foragers. Here we analyse the effect of the sex and group size on the foraging behavior of immature Olrog’s Gull (Larus atlanticus Olrog, 1958), endemic to the Atlantic coast of southern South America and regionally listed a threatened species. Birds were captured, banded, sexed, and aged during the non-breeding season in Mar Chiquita coastal lagoon, Argentina. The foraging behavior was quantified by observations made on individuals of known identity, recording the size of foraging groups, as well as prey size and type. Foraging parameters estimated were foraging effort, capture rate, and foraging efficiency. Males spent more time in agonistic behavior and captured larger prey. With an increase in group size, the capture rate, the capture of small crabs by males, and the foraging effort were higher. The agonistic behaviors, size of consumed prey, and foraging effort were affected by individual identity. Our study pinpoints factors underlying variation in the foraging behavior of Olrog’s Gulls and illustrates the importance of modelling individual variation when analyzing foraging behavior.
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Fujii, Jessica A., Don McLeish, Andrew J. Brooks, John Gaskell et Kyle S. Van Houtan. « Limb-use by foraging marine turtles, an evolutionary perspective ». PeerJ 6 (28 mars 2018) : e4565. http://dx.doi.org/10.7717/peerj.4565.

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The use of limbs for foraging is documented in both marine and terrestrial tetrapods. These behaviors were once believed to be less likely in marine tetrapods due to the physical constraints of body plans adapted to locomotion in a fluid environment. Despite these obstacles, ten distinct types of limb-use while foraging have been previously reported in nine marine tetrapod families. Here, we expand the types of limb-use documented in marine turtles and put it in context with the diversity of marine tetrapods currently known to use limbs for foraging. Additionally, we suggest that such behaviors could have occurred in ancestral turtles, and thus, possibly extend the evolutionary timeline of limb-use behavior in marine tetrapods back approximately 70 million years. Through direct observation in situ and crowd-sourcing, we document the range of behaviors across habitats and prey types, suggesting its widespread occurrence. We argue the presence of these behaviors among marine tetrapods may be limited by limb mobility and evolutionary history, rather than foraging ecology or social learning. These behaviors may also be remnant of ancestral forelimb-use that have been maintained due to a semi-aquatic life history.
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Rosenbaum, Barry, Sukh Amgalanbaatar et Richard P. Reading. « Seasonal Daytime Activity Budget of Mongolian Gobi Argali Sheep (Ovis ammon) ». Mongolian Journal Of Biological Sciences 19, no 2 (2021) : 3–15. http://dx.doi.org/10.22353/mjbs.2021.19.10.

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Activity patterns provide insight into the overall relationship between a species and its environment. Despite declines in populations of argali and some attention on ecological questions, limited information exists on argali behavior. We measured diurnal activity budgets of argali for 12 months by recording behavior (i.e., foraging, bedding, standing, traveling, other) with instantaneous scan sampling at 5-minute intervals. Argali exhibited seasonal differences in activity budgets. The greatest proportion of daytime in winter was spent foraging. The greatest proportion of daytime in summer was spent bedding. Argali reduced all other behaviors in winter in favor of foraging. In summer argali reduced their foraging to a seasonal low and increased bedding. Behavior was constrained by forage in winter and by temperatures in summer. Females fed more than males in all seasons. Other behaviors varied according to season and reproductive periods. Females demonstrated highest vigilance in spring and summer, while males exhibited highest vigilance during the autumn rut. These data are the first regarding detailed behavior of argali and are valuable to their management and conservation by providing information on constraints faced by the species.
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McBrayer, Lance D., et Stephen M. Reilly. « Prey processing in lizards : behavioral variation in sit-and-wait and widely foraging taxa ». Canadian Journal of Zoology 80, no 5 (1 mai 2002) : 882–92. http://dx.doi.org/10.1139/z02-068.

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We determined the degree to which lizards process (i.e., chew) and manipulate their prey, using a phylogenetically broad sample of 12 species. Two transport and two chewing behaviors were identified. The transport behaviors included side-to-side movements and lingually mediated posterior movements of the prey. Chewing behaviors included puncture crushing and a previously undescribed behavior we term palatal crushing. Iguanian lizards (sit-and-wait predators) engaged in more palatal-crushing behaviors than autarchoglossans (widely foraging predators) did. However, iguanians also engaged in fewer cycles of chewing and transport behaviors per feeding bout. Autarchoglossan lizards used puncture crushing extensively and exhibited more variability in the sequence of behaviors used within a bout ( interspersion of transport behaviors among chewing behaviors). Three behaviors (puncture crushing, interspersion, total) were shown to be coevolving after the effects of phylogeny were removed. The variation in feeding behavior we observed between iguanian and autarchoglossan lizards parallels patterns in tongue morphology and foraging mode in these large groups. Thus, it seems likely that each represents a component of a highly integrated character complex linking feeding morphology, behavior, and ecology.
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Thèses sur le sujet "Foraging behaviors"

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Jordan, Evan J. « Online travel information search behaviors an information foraging perspective / ». Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1220474357/.

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Nachappa, Punya. « Ecological consequences of genetic variation in foraging behaviors of a predatory mite ». Diss., Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/912.

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Liu, Yanfei. « Cohesive behaviors of cooperative multiagent systems with information flow constraints ». Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1091565417.

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Thesis (Ph. D.)--Ohio State University, 2004.
Title from first page of PDF file. Document formatted into pages; contains xiii, 155 p.; also includes graphics (some col.) Includes bibliographical references (p. 150-155). Available online via OhioLINK's ETD Center
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McCann, Melissa Catherine. « Manipulating Cattle and Deer Foraging Behaviors for the Consumption of Leafy Spurge and Canada Thistle ». Thesis, North Dakota State University, 2015. https://hdl.handle.net/10365/27824.

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This study tested targeted grazing weeds with cattle and white-tailed deer (Odocoileus virginianus). Using forage manipulation techniques, we attempted to encourage cattle and white-tailed deer to graze weeds. Cattle were encouraged to target graze leafy spurge (Euphorbia esula L.). We established that cattle will attempt to consume leafy spurge from feed bunks but not from pasture. Two projects were developed to test targeted grazing of Canada thistle (Cirsium arvense) by white-tailed deer. The first project was a behavior study using a rationed pelleted feed with Canada thistle. The second an attractant study involved testing two types of molasses (Molasses and Raffinate) sprayed onto Canada thistle. We found white-tailed deer will consume all diets of pelleted feed and will graze Canada thistle sprayed with either type of molasses. Molasses could be a viable attractant to target graze weeds. More research is needed to determine if these studies are sustainable.
Camp Grafton and the North Dakota Army National Guard
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Johnson, Kelly Deshon. « Fat-Pad Specific Effects of Lipectomy on Appetitive and Consummatory Ingestive Behaviors in Siberian Hamsters (Phodopus sungorus) ». Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/biology_hontheses/1.

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The aim of this experiment was to test whether LIPX-induced decreases in body fat affect appetitive (foraging effort and food hoarding) or consummatory (food intake) ingestive behaviors and whether the effects of LIPX on these behaviors is in turn affected by changes in energy expenditure produced by varying the amount of work required to obtain food. This was accomplished by housing male Siberian hamsters (Phodopus sungorus) in a foraging/hoarding apparatus where food pellets (75 mg) could be earned by completing various wheel running requirements. Requiring a foraging effort (10 revolutions/pellet) abolished the normal compensation of WAT mass by the non-excised WAT pads that typically follows IWATx or EWATx. After foraging, food hoarding was increased more than food intake when hamsters were required to forage for food (10 revolutions/pellet). The magnitude of the LIPX-induced lipid deficit (IWATx > EWATx) did not correspond to a proportional change in either appetitive or consummatory ingestive behaviors.
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Browne, Amanda M. « The Effects of Sub-Lethal Levels of 2,4-Dichlorophenoxyacetic Acid Herbicide on Foraging Behaviors in the Crayfish, Orconectes Rusticus ». Bowling Green State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1400849615.

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Jönsson, Johan. « The effect of rope and an activation ball on the performance of harmful social behaviors in pigs ». Thesis, Linköpings universitet, Biologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-79001.

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A widespread problem in the housing of captive animals is the occurrence and development of abnormal behaviors. In the pig breeding industry the abnormal behaviors causing the biggest welfare problems are stereotypies such as tail-biting, ear-biting, equipment-biting and belly-nosing. In this study a rope and an activation ball were tested as curative treatments to reduce the performance of these stereotypies by inducing the underlying innate behaviors. A total of 141 pigs spread over 18 pens were used as test-subjects. They were divided into three groups which were introduced to one of the two enrichments or no enrichment at all. Both the enrichments contained characteristics which mostly targeted exploratory and foraging needs and, if functional, were thought to mainly have an effect on tail-biting, ear-biting and equipment-biting. The pigs were observed both at initial contact with the enrichments and after having familiarized with them for three days, and the amount of registered enrichment interaction and performed stereotypies were used to evaluate the effect of the enrichment objects. In both enrichment treatments the enrichments occupied the pigs both on day one and after three days. The presence of equipment-biting was successfully reduced on both day one and day three while the presence of tail-biting and ear-biting only were initially reduced. No effect was found on belly-nosing in either enrichment treatment. This suggests that both enrichments are functional over time and efficient in reducing some types of harmful social behaviors. However, belly-nosing would need to be targeted with a different kind of object.
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Storz, Shonna R. « Distribution, spread, activity patterns, and foraging behaviors of the introduced ant Pheidole obscurithorax in the southeastern United States ». [Tallahassee, FL : Florida State University], 2003. http://etd.lib.fsu.edu/theses/available/etd-09182003-183317/.

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Thesis (M.S.)--Florida State University, 2003.
Title from PDF t.p. (viewed Feb. 19, 2006). Advisor: Dr. Walter R. Tschinkel, Florida State University, College of Arts and Sciences, Dept. of Biological Science. Includes bibliographical references (p. 53-58).
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Johnson, Joseph S. « Foraging and Roosting Behaviors of Rafinesque's Big-eared Bat (Corynorhinus rafinesquii) at the Northern Edge of the Species Range ». UKnowledge, 2012. http://uknowledge.uky.edu/animalsci_etds/5.

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Bat populations in the eastern United States are currently declining at unprecedented rates as a result of habitat loss, commercial wind energy development, and white-nose syndrome. Effective conservation of these declining populations requires knowledge of several aspects of summer and winter ecology, including daytime habitat use (day-roost selection and social behaviors), nocturnal habitat use (foraging habitat selection, prey selection, and prey abundance), and winter hibernation (torpor) patterns. This dissertation addresses these questions for Rafinesque’s big-eared bat (Corynorhinus rafinesquii), a species of conservation concern in the southeastern United States. Kentucky represents the northern edge of the range of Rafinesque’s big-eared bat, and summer and winter behaviors in Kentucky are likely to differ from what has been observed in southern portion of the range, where available habitats and climate are different. My research occurred in two study areas in Kentucky, Mammoth Cave National Park in central Kentucky, and the Ballard Wildlife Management areas in western Kentucky. This dissertation includes all of the work done in western Kentucky, where I radio-tagged 48 adult big-eared bats and documented daytime and nighttime habitat use. Also included is a portion of the work done in central Kentucky, focusing on hibernation patterns of 14 adult big-eared bats radio-tagged during the winter at Mammoth Cave. Data disseminated in this dissertation provide insights into the summer and winter ecology of Rafinesque’s big-eared bat in Kentucky, and can be used to manage populations threatened by habitat loss and white-nose syndrome.
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Meiners, Joan M. « Biodiversity, Community Dynamics, and Novel Foraging Behaviors of a Rich Native Bee Fauna Across Habitats at Pinnacles National Park, California ». DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/4877.

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Wild, native bees (Hymenoptera: Apoidea) provide pollination services valued at nearly $3 billion to U.S. agriculture annually, and are the primary pollinators maintaining plant communities in natural landscapes, an ecosystem service of incalculable worth. Global concern over widespread honeybee declines has spurred research to save that single species, while knowledge of the health and habitat requirements of 20,000 native bee species worldwide lags behind. Understanding dynamics and habitat associations of pristine native bee communities may help inform conservation priorities and restoration goals to ensure the widespread longevity of native bees. We surveyed the bee and plant communities over two flowering seasons and across four distinct habitat types (Alluvial, Live Oak Woodland, Blue Oak Woodland, and Grassland) at Pinnacles National Park, a protected biodiversity hotspot, and a pristine, heterogeneous environment. We collected 52,853 bee specimens over 308 collector days, and increased the species inventory to 479, from the previous 398 recorded as of the late 1990s. This statistic ranks Pinnacles as likely the most densely diverse area for native bees currently known. Spatially, no relationship between habitat type and bee abundance or richness was observed. Bee species composition in Alluvial habitats, however, was more unique and showed lower dispersal, suggesting this habitat may serve as a nesting refugia for a core community of resident species. Temporally, we evaluated potential resilience of solitary bees to anticipated disruptions in bloom availability via novel, community-wide foraging on honeydew sugars produced by scale insects. We observed 56 native bee species using honeydew sugars during the early season low bloom, and determined that they locate this resource without visual cues. Overall, these findings suggest that native bee communities at Pinnacles National Park may be buffered against temporal resource shifts and may benefit from protection of the Alluvial habitat type. The patterns observed here should be evaluated in other locations to determine their value towards forecasting and managing widespread risks to native bees.
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Livres sur le sujet "Foraging behaviors"

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Kamil, Alan C., John R. Krebs et H. Ronald Pulliam, dir. Foraging Behavior. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1839-2.

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1955-, Stephens David W., Brown Joel S. 1959- et Ydenberg Ronald C, dir. Foraging : Behavior and ecology. Chicago : University of Chicago Press, 2007.

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N, Hughes R., dir. Diet selection : An interdisciplinary approach to foraging behaviour. Oxford : Blackwell Scientific Publications, 1993.

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Redhead, Edward. Foraging behaviour in rats : Experimental investigation in the laboratory. Birmingham : University of Birmingham, 1989.

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M, Reilly Stephen, McBrayer Lance D et Miles Donald B, dir. Lizard ecology : The evolutionary consequences of foraging mode. Cambridge : Cambridge University Press, 2007.

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1963-, Miller Lynne E., dir. Eat or be eaten : Predator sensitive foraging among primates. Cambridge, U.K : Cambridge University Press, 2002.

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Miller, Lynne E. Eat or be eaten : Predator sensitive foraging among primates. Cambridge, UK : Cambridge University Press, 2002.

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Burness, Gary P. Foraging ecology and parental behaviour in the common tern (Sterna hirundo). St. Catharines, [Ont.] : Dept. of Biological Sciences, Brock University, 1992.

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Saint-Jacques, Nathalie. Flexibility, and the foraging behaviour of the white sucker (catostomus commersoni). Ottawa : National Library of Canada, 1996.

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Nowacek, Douglas Paul. Sound use, sequential behavior and ecology of foraging bottlenose dolphins, Tursiops truncatus. Cambridge, Mass : Massachusetts Institute of Technology, 1999.

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Chapitres de livres sur le sujet "Foraging behaviors"

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Cai, Yang. « Foraging Behaviors ». Dans Instinctive Computing, 55–74. London : Springer London, 2016. http://dx.doi.org/10.1007/978-1-4471-7278-9_4.

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Keith-Diagne, Lucy W., Margaret E. Barlas, James P. Reid, Amanda J. Hodgson et Helene Marsh. « Diving and Foraging Behaviors ». Dans Ethology and Behavioral Ecology of Marine Mammals, 67–100. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90742-6_3.

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Sokolowski, Marla B. « Drosophila Larval Foraging Behavior and Correlated Behaviors ». Dans Evolutionary Genetics of Invertebrate Behavior, 197–213. Boston, MA : Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-3487-1_19.

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Jeanniard-du-Dot, Tiphaine, et Christophe Guinet. « Foraging Capacities, Behaviors and Strategies of Otariids and Odobenids ». Dans Ethology and Behavioral Ecology of Otariids and the Odobenid, 65–99. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-59184-7_4.

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Nakagaki, Toshiyuki. « Foraging Behaviors and Potential Computational Ability of Problem-Solving in an Amoeba ». Dans Natural Computing, 42–54. Tokyo : Springer Japan, 2010. http://dx.doi.org/10.1007/978-4-431-53868-4_5.

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Chen, Hanning, Xiaodan Liang, Maowei He et Weixing Su. « Biomimicry of Plant Root Foraging for Distributed Optimization : Models and Emergent Behaviors ». Dans Bio-inspired Computing – Theories and Applications, 231–40. Singapore : Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-3614-9_28.

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Schoener, Thomas W. « A Brief History of Optimal Foraging Ecology ». Dans Foraging Behavior, 5–67. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1839-2_1.

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Hanson, John. « Tests of Optimal Foraging Using an Operant Analogue ». Dans Foraging Behavior, 335–62. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1839-2_10.

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Milinski, Manfred. « Competition for Non-Depleting Resources : The Ideal Free Distribution in Sticklebacks ». Dans Foraging Behavior, 363–88. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1839-2_11.

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Caraco, Thomas. « Foraging Games in a Random Environment ». Dans Foraging Behavior, 389–414. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1839-2_12.

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Actes de conférences sur le sujet "Foraging behaviors"

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Ramakrishnan, Subramanian, et Manish Kumar. « Synthesis and Analysis of Control Laws for Swarm of Mobile Robots Emulating Ant Foraging Behavior ». Dans ASME 2010 Dynamic Systems and Control Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/dscc2010-4244.

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Ant foraging behavior has inspired research in a number of areas including distributed problem solving such as optimization and task allocation and mobile robot navigation. In the area of swarm robotic systems, ant foraging behavior has been largely modeled via behavior based techniques and analyzed using cellular automata. Development of continuous time models for ant foraging can potentially provide insights into new mechanisms and behaviors used by ants that provide self-organizing capabilities to the ant colony. This paper presents a distributed control law in continuous time that combines gradient following for pheromone concentration as well as food scent with random motion seen in ants. The paper also provides a continuous time model for pheromone laying in a 2D environment and carries out a preliminary numerical stability analysis of the solutions. Extensive simulation studies confirm emergent behaviors seen in ant systems such as trail formation and convergence to single food site. In addition, the paper examines the effect of randomness on robustness of convergence to a single food site.
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Neupane, Aadesh, et Michael Goodrich. « Learning Swarm Behaviors using Grammatical Evolution and Behavior Trees ». Dans Twenty-Eighth International Joint Conference on Artificial Intelligence {IJCAI-19}. California : International Joint Conferences on Artificial Intelligence Organization, 2019. http://dx.doi.org/10.24963/ijcai.2019/73.

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Algorithms used in networking, operation research and optimization can be created using bio-inspired swarm behaviors, but it is difficult to mimic swarm behaviors that generalize through diverse environments. State-machine-based artificial collective behaviors evolved by standard Grammatical Evolution (GE) provide promise for general swarm behaviors but may not scale to large problems. This paper introduces an algorithm that evolves problem-specific swarm behaviors by combining multi-agent grammatical evolution and Behavior Trees (BTs). We present a BT-based BNF grammar, supported by different fitness function types, which overcomes some of the limitations in using GEs to evolve swarm behavior. Given human-provided, problem-specific fitness-functions, the learned BT programs encode individual agent behaviors that produce desired swarm behaviors. We empirically verify the algorithm's effectiveness on three different problems: single-source foraging, collective transport, and nest maintenance. Agent diversity is key for the evolved behaviors to outperform hand-coded solutions in each task.
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Mallinger, Rachel. « Floral trait variation affects bee foraging behaviors in cultivated sunflowers ». Dans 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.112732.

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Stine, Zachary K., Tuja Khaund et Nitin Agarwal. « Measuring the Information-Foraging Behaviors of Social Bots Through Word Usage ». Dans 2018 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM). IEEE, 2018. http://dx.doi.org/10.1109/asonam.2018.8508811.

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« Emergence of temporal and spatial synchronous behaviors in a foraging swarm ». Dans ECAL 2011 : The 11th European Conference on Artificial Life. MIT Press, 2011. http://dx.doi.org/10.7551/978-0-262-29714-1-ch022.

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Vicerra, Ryan Rhay P., Ralph Nicole R. Barcos, Jan Kenneth S. Bulan, Adriel Joseph O. Loterina, S. O. Oliver, John Miguel D. G. Pineda, Angelo R. Dela Cruz, Edison A. Roxas, Argel A. Bandala et Elmer P. Dadios. « A comparative study of swarm foraging behaviors ; trophallaxis, task allocation and pheromone ». Dans 2015 International Conference on Humanoid, Nanotechnology, Information Technology,Communication and Control, Environment and Management (HNICEM). IEEE, 2015. http://dx.doi.org/10.1109/hnicem.2015.7393259.

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Ohnishi, Kei, Akihiro Fujiwara et Mario Koeppen. « Non-swarm intelligence search algorithm based on the foraging behaviors of fruit flies ». Dans 2016 IEEE Congress on Evolutionary Computation (CEC). IEEE, 2016. http://dx.doi.org/10.1109/cec.2016.7743968.

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Johnson, Matthew, et Daniel Brown. « Evolving and Controlling Perimeter, Rendezvous, and Foraging Behaviors in a Computation-Free Robot Swarm ». Dans 9th EAI International Conference on Bio-inspired Information and Communications Technologies (formerly BIONETICS). ACM, 2016. http://dx.doi.org/10.4108/eai.3-12-2015.2262390.

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Zhong, Rui, Enzhi Zhang et Masaharu Munetomo. « Evolutionary Multi-Mode Slime Mould Optimization : A Hyper-Heuristic Algorithm Inspired by Slime Mould Foraging Behaviors ». Dans 2023 Congress in Computer Science, Computer Engineering, & ; Applied Computing (CSCE). IEEE, 2023. http://dx.doi.org/10.1109/csce60160.2023.00353.

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Briggs, Shannon, Jonas Braasch, Tomek Strzalkowski, Bryan Burns, Samuel Chabot, Abraham Sanders et Erfan Al-Hossami. « A Cognitive Immersive Room for Intelligence Analysis Scenarios (CIRIAS) ». Dans 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003867.

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Intelligence can be understood as the timely delivery of actionable information. Our Cognitive Immersive Room for Intelligence Analysis Scenarios (CIRAS) supports foraging and processing information during time-critical scenarios. Intelligence has an ambiguous meaning and could either refer to the ability to learn and reason well using a logical approach or to use a standard procedure to gather and process public and secret information about an adverse entity (e.g., a foreign country) to forecast threats and opportunities. While the latter definition of intelligence roots in military operations, similar methods have been successfully applied in the civil domain, for example, forensic sciences and corporate business decisions. In this paper, we describe the use of cognitive immersive environments for collaborative decision-making using the general procedures of intelligence analysis, especially the concept of the foraging loop by Pirolli and Card (2005). We focus on three use cases, traffic-pattern analysis, bibliographic search, and travel planning, to explain the benefit of virtual environments for the efficient and time-constrained decision-making process. Each of these examples leans heavily on information-foraging behaviors, which have been historically a bottleneck for intelligence gathering. By leveraging the cognitive immersive technology, we will transfer some of the granular search and sort activities to the system, reducing the cognitive load experienced by users during intelligence tasks. The progressive dialog system paired with our map views allows users to plan points of interest across travel itineraries and allows users to plan routes during challenging traffic. Our brainstorming tool supports text source discovery, allowing users to build a knowledge base, and supports bibliography creation.This approach aids analysis in reducing time and time and effort; timely analysis is typically critical in reconnaissance and other intelligence analyst tasks. During collection and analysis, information has to be pulled from various sources and shared among an expert team. CIRIAS possesses matured technologies to source information through personal interfaces such as computer terminals, handheld devices, and dialog systems while also allowing interfacing between groups of people.The latter is important within the shared context between analysts to allow sharing the most relevant information while deferring other information. To bridge this technology gap, we propose a Situations Room environment that enables small teams to pursue intelligence analyst tasks together. In this room, each member can gather information individually while also exchanging and displaying relevant data among each other on large immersive displays. The room provides immersive audio/visual displays to facilitate this as a shared resource while connecting participants to personal devices. The room tracks participants via gestural and acoustic sensors, displays information in spatial relationships to users and extracts speech information and gestures. An existing audio/visual tracking system provides continuous locations of team members using a 6-camera network and a 16-channel spherical microphone. The latter is also used for speech recognition, and assigns input to individual participants for context-based dialog functions utilizing beamforming and tracking. The system can be adapted to different tasks in a flexible manner, which we will explore during our use case discussion.
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Rapports d'organisations sur le sujet "Foraging behaviors"

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Herrel, Sherry L., Eric D. Dibble et K. J. Killgore. Foraging Behavior of Fishes in Aquatic Plants. Fort Belvoir, VA : Defense Technical Information Center, février 2001. http://dx.doi.org/10.21236/ada392062.

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Ungar, Eugene D., Montague W. Demment, Uri M. Peiper, Emilio A. Laca et Mario Gutman. The Prediction of Daily Intake in Grazing Cattle Using Methodologies, Models and Experiments that Integrate Pasture Structure and Ingestive Behavior. United States Department of Agriculture, juillet 1994. http://dx.doi.org/10.32747/1994.7568789.bard.

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This project addressed the prediction of daily intake in grazing cattle using methodologies, models and experiments that integrate pasture structure and ingestive behavior. The broad objective was to develop concepts of optimal foraging that predicted ingestive behavior and instantaneous intake rate in single and multi-patch environments and extend them to the greater scales of time and space required to predict daily intake. Specific objectives included: to determine how sward structure affects the shape of patch depletion curves, to determine if the basic components of ingestive behavior of animals in groups differs from animals alone, and to evaluate and modify our existing models of foraging behavior and heterogeneity to incorporate larger scales of time and space. Patch depletion was found to be predominantly by horizon, with a significant decline in bite weight during horizon depletion. This decline derives from bite overlap, and is more pronounced on taller swards. These results were successfully predicted by a simple bite placement simulator. At greater spatial scales, patch selection was aimed at maximizing daily digestible intake, with the between patch search pattern being non-random. The processes of selecting a feeding station and foraging at a feeding station are fundamentally different. The marginal value theorem may not be the most appropriate paradigm for predicting residence time at a feeding station. Basic components of ingestive behavior were unaffected by the presence of other animals. Our results contribute to animal production systems by improving our understanding of the foraging process, by identifying the key sward parameters that determine intake rate and by improving existing conceptual and quantitative models of foraging behavior across spatial and temporal scales.
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McGehee, Duncan E., Amatzia Genin et Jules S. Jaffe. Swimming Behavior of Individual Zooplankters During Night-time Foraging. Fort Belvoir, VA : Defense Technical Information Center, septembre 1998. http://dx.doi.org/10.21236/ada536359.

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McGehee, Duncan E., Amatzia Genin et Jules S. Jaffe. Swimming Behavior of Individual Zooplankters During Night-time Foraging. Fort Belvoir, VA : Defense Technical Information Center, septembre 1997. http://dx.doi.org/10.21236/ada629342.

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Keane, Kathy, et Lawrence J. Smith. California Least Tern Foraging Ecology in Southern California : A Review of Foraging Behavior Relative to Proposed Dredging Locations. Fort Belvoir, VA : Defense Technical Information Center, mai 2016. http://dx.doi.org/10.21236/ada631962.

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Baumgartner, Mark. Right Whale Diving and Foraging Behavior in the Southwestern Gulf of Maine. Fort Belvoir, VA : Defense Technical Information Center, septembre 2009. http://dx.doi.org/10.21236/ada531180.

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Au, Whitlow W., et Marc O. Lammers. On the Foraging Behavior of Beaked Whales and Other Deep Diving Odontocetes. Fort Belvoir, VA : Defense Technical Information Center, septembre 2010. http://dx.doi.org/10.21236/ada541812.

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Baumgartner, Mark. Right Whale Diving and Foraging Behavior in the Southwestern Gulf of Maine. Fort Belvoir, VA : Defense Technical Information Center, septembre 2012. http://dx.doi.org/10.21236/ada573310.

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Au, Whitlow W., et Marc O. Lammers. On the Foraging Behavior of Beaked Whales and Other Deep Diving Odontocetes. Fort Belvoir, VA : Defense Technical Information Center, septembre 2011. http://dx.doi.org/10.21236/ada598282.

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Baumgartner, Mark. Right Whale Diving and Foraging Behavior in the Southwestern Gulf of Maine. Fort Belvoir, VA : Defense Technical Information Center, septembre 2011. http://dx.doi.org/10.21236/ada598726.

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