Results 21 to 30 of about 556,522 (351)

Woodpeckers can act as dispersal vectors for fungi, plants, and microorganisms

open access: yesEcology and Evolution, 2021
Bird‐mediated dispersal is presumed to be important in the dissemination of many different types of organisms, but concrete evidence remains scarce. This is especially true for biota producing microscopic propagules.
Niko R. Johansson   +2 more
doaj   +1 more source

Price Dispersion [PDF]

open access: yesSSRN Electronic Journal, 2003
We model firm pricing given consumers follow simple reservation price rules. Such reservation rules are rational when consumers are sufficiently impatient. The equilibrium exhibits price dispersion in pure strategies, with lower price firms earning higher profits.
ANDERSON, Simon, de PALMA, André
openaire   +3 more sources

Historic Wooden Shipwrecks Influence Dispersal of Deep-Sea Biofilms

open access: yesFrontiers in Marine Science, 2022
Wood arrives on the seabed from natural and anthropogenic sources (e.g., wood falls and wooden shipwrecks, respectively) and creates seafloor habitats for macro-, meio- and microbiota.
Rachel D. Moseley   +3 more
doaj   +1 more source

Connectivity of Striped Marlin From the Central North Pacific Ocean

open access: yesFrontiers in Marine Science, 2022
Striped marlin, Kajikia audax, have been in overfished condition in the Western and Central North Pacific, and overfishing is still occurring, prompting an urgent need to devise conservation and management measures based on the best, current information ...
Chi Hin Lam   +4 more
doaj   +1 more source

Changes in seed dispersal processes and the potential for between-patch connectivity for an arid land daisy [PDF]

open access: yes, 2012
Dispersal is a major and critical process in population biology that has been particularly challenging to study. Animals can have major roles in seed dispersal even in species that do not appear specifically adapted to animal-aided dispersal.
Chesson, P.   +4 more
core   +2 more sources

Dispersive Estimates for Full Dispersion KP Equations [PDF]

open access: yesJournal of Mathematical Fluid Mechanics, 2021
AbstractWe prove several dispersive estimates for the linear part of the Full Dispersion Kadomtsev–Petviashvili introduced by David Lannes to overcome some shortcomings of the classical Kadomtsev–Petviashvili equations. The proof of these estimates combines the stationary phase method with sharp asymptotics on asymmetric Bessel functions, which may be ...
Didier Pilod   +3 more
openaire   +4 more sources

Dispersive stabilization [PDF]

open access: yesBulletin of the London Mathematical Society, 2010
Ill posed linear and nonlinear initial value problems may be stabilized, that it converted to to well posed initial value problems, by the addition of purely nonscalar linear dispersive terms. This is a stability analog of the Turing instability. This idea applies to systems of quasilinear Schr dinger equations from nonlinear optics.
Métivier, Guy, Rauch, Jeffrey
openaire   +3 more sources

Testing the Resource Hypothesis of Species–Area Relationships: Extinction Cannot Work Alone

open access: yesMicroorganisms, 2022
The mechanisms that underpin the species–area relationship (SAR) are crucial for both the development of biogeographic theory and the application of biodiversity conservation.
Wei Deng   +5 more
doaj   +1 more source

Diversity and Ice Nucleation Activity of Microorganisms Collected With a Small Unmanned Aircraft System (sUAS) in France and the United States

open access: yesFrontiers in Microbiology, 2018
Many microbes relevant to crops, domestic animals, and humans are transported over long distances through the atmosphere. Some of these atmospheric microbes catalyze the freezing of water at higher temperatures and facilitate the onset of precipitation ...
Celia Jimenez-Sanchez   +5 more
doaj   +1 more source

Integrating Disturbance, Seasonality, Multi-Year Temporal Dynamics, and Dormancy Into the Dynamics and Conservation of Metacommunities

open access: yesFrontiers in Ecology and Evolution, 2020
The metacommunity framework has rapidly become a dominant concept used by ecologists to understand community assembly. By emphasizing extinction-colonization dynamics, dispersal, and species’ niche requirements in determining community structure ...
Marcel Holyoak   +2 more
doaj   +1 more source

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