Results 21 to 30 of about 542,641 (362)

Pollen limitation of native plant reproduction in an urban landscape

open access: yesAmerican Journal of Botany, Volume 109, Issue 12, Page 1969-1980, December 2022., 2022
Abstract Premise Evidence suggests that bees may benefit from moderate levels of human development. However, the effects of human development on pollination and reproduction of bee‐pollinated plants are less‐well understood. Studies have measured natural variation in pollination and plant reproduction as a function of urbanization, but few have ...
Adrian L. Carper   +3 more
wiley   +1 more source

Optimally frugal foraging [PDF]

open access: yesPhysical Review E, 2018
We introduce the \emph{frugal foraging} model in which a forager performs a discrete-time random walk on a lattice, where each site initially contains $\mathcal{S}$ food units. The forager metabolizes one unit of food at each step and starves to death when it last ate $\mathcal{S}$ steps in the past. Whenever the forager decides to eat, it consumes all
Dudka, Maxym   +6 more
openaire   +6 more sources

Testing for personality consistency across naturally occurring behavioral contexts in sanctuary chimpanzees (Pan troglodytes)

open access: yesAmerican Journal of Primatology, Volume 85, Issue 1, January 2023., 2023
Sanctuary chimpanzees show consistency of their personality‐based behaviors across real‐life contexts and over time while displaying interindividual differences in the consistency of their personality‐based behavioral profile Abstract Personality is both a reflection of the bio‐behavioral profile of individuals and a summary of how they typically ...
Hélène Chotard   +3 more
wiley   +1 more source

Viruses in sanctuary chimpanzees across Africa

open access: yesAmerican Journal of Primatology, Volume 85, Issue 1, January 2023., 2023
Abstract Infectious disease is a major concern for both wild and captive primate populations. Primate sanctuaries in Africa provide critical protection to thousands of wild‐born, orphan primates confiscated from the bushmeat and pet trades. However, uncertainty about the infectious agents these individuals potentially harbor has important implications ...
Emily Dunay   +9 more
wiley   +1 more source

Accessible ecophysiological tools for seabird conservation

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 32, Issue 12, Page 1983-2002, December 2022., 2022
Abstract Seabirds are the most endangered avian taxa on Earth, with over a third of species globally threatened. To help slow their decline, conservation physiology seeks to determine how seabird responses to climatic and anthropogenic threats influence demographic processes, but it is not widely utilized in monitoring.
Edin A. Whitehead, Brendon J. Dunphy
wiley   +1 more source

Foraging Behavior of Swainson\u27s Thrushes (Catharus ustulatus) During Spring Migration through Arkansas [PDF]

open access: yes, 2015
Foraging behavior of Swainson’s Thrushes on spring migration was studied in western Arkansas in the spring of 2013 and 2014. Observations were made in two forested field sites, one of them urban and the other suburban.
Deshwal, A.   +3 more
core   +3 more sources

Shortening day length as a previously unrecognized selective pressure for early breeding in a bird with long parental care [PDF]

open access: yes, 2014
Several different selective pressures have been suggested to explain an intense competition for early return to breeding grounds in birds. In this study we hypothesized that shortening day length during summer months may constitute additional ...
Janiszewski, Tomasz   +5 more
core   +1 more source

Mucin glycan foraging in the human gut microbiome

open access: yesFrontiers in Genetics, 2015
The availability of host and dietary carbohydrates in the gastrointestinal (GI) tract plays a key role in shaping the structure-function of the microbiota. In particular, some gut bacteria have the ability to forage on glycans provided by the mucus layer
L. Tailford   +3 more
semanticscholar   +1 more source

Impact of food distribution on lifetime of a forager with or without sense of smell [PDF]

open access: yesPhys. Rev. E 103, 012114 (2021), 2020
Modeling foraging via basic models is a problem that has been recently investigated from several points of view. However, understanding the effect of the spatial distribution of food on the lifetime of a forager has not been achieved yet. We explore here how the distribution of food in space affects the forager's lifetime in several different scenarios.
arxiv   +1 more source

Information foraging with an oracle

open access: yesPLOS ONE, 2023
During ecological decisions, such as when foraging for food or selecting a weekend activity, we often have to balance the costs and benefits of exploiting known options versus exploring novel ones. Here, we ask how individuals address such cost-benefit tradeoffs during tasks in which we can either explore by ourselves or seek external advice from an ...
Jeremy Gordon   +3 more
openaire   +5 more sources

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