Results 11 to 20 of about 1,003 (94)
Dynamics of Niche Width and Resource Partitioning [PDF]
American Journal of Sociology, 2001 This article examines the effects of crowding in a market center on rates of change in organizational niche width and on organizational mortality. It proposes that, although firms with wide niches benefit from risk spreading and economies of scale, they are simultaneously exposed to intense competition.
Dobrev, S., Kim, T-Y., Hannan, M. T.
openaire +3 more sources
Niche Partitioning Along an Environmental Gradient [PDF]
SIAM Journal on Applied Mathematics, 2014 Biological systematics studies suggest that species are discretized in niche space. That is, rather than seeing a continuum of organism types with respect to continuous environmental variations, observers instead find discrete species or clumps of species, with one clump separated from another in niche space by a gap.
Isaac Klapper +2 more
openaire +2 more sources
Counting niches: Abundance‐by‐trait patterns reveal niche partitioning in a Neotropical forest [PDF]
Ecology, 2020 Abstract Tropical forests challenge us to understand biodiversity, as numerous seemingly similar species persist on only a handful of shared resources. Recent ecological theory posits that biodiversity is sustained by a combination of species differences reducing interspecific competition and species similarities increasing time to ...
Rafael D’Andrea +6 more
openaire +3 more sources
Eleutherodactylus frogs show frequency but no temporal partitioning: implications for the acoustic niche hypothesis [PDF]
PeerJ, 2014 Individuals in acoustic communities compete for the use of the sound resource for communication, a problem that can be studied as niche competition. The acoustic niche hypothesis presents a way to study the partitioning of the resource, but the studies ...
Luis J. Villanueva-Rivera
doaj +2 more sources
Niche partitioning in a sympatric cryptic species complex [PDF]
Ecology and Evolution, 2016 AbstractCompetition theory states that multiple species should not be able to occupy the same niche indefinitely. Morphologically, similar species are expected to be ecologically alike and exhibit little niche differentiation, which makes it difficult to explain the co‐occurrence of cryptic species.
Scriven, Jessica J +3 more
openaire +5 more sources
Niche partitioning of microbial communities in riverine floodplains [PDF]
Scientific Reports, 2019 AbstractRiverine floodplains exhibit high floral and faunal diversity as a consequence of their biophysical complexity. Extension of such niche partitioning processes to microbial communities is far less resolved or supported. Here, we evaluated the responses of aquatic biofilms diversity to environmental gradients across ten riverine floodplains with ...
Marc Peipoch +3 more
openaire +2 more sources
Skull ecomorphology of megaherbivorous dinosaurs from the dinosaur park formation (upper campanian) of Alberta, Canada. [PDF]
PLoS ONE, 2013 Megaherbivorous dinosaur coexistence on the Late Cretaceous island continent of Laramidia has long puzzled researchers, owing to the mystery of how so many large herbivores (6-8 sympatric species, in many instances) could coexist on such a small (4-7 ...
Jordan C Mallon, Jason S Anderson
doaj +1 more source
Energetic efficiency of foraging mediates bee niche partitioning [PDF]
Ecology, 2021 AbstractRevitalizing our understanding of species distributions and assembly in community ecology requires greater use of functional (physiological) approaches based on quantifiable factors such as energetics. Here, we explore niche partitioning between bumble and honey bees by comparing a measure of within‐patch foraging efficiency, the ratio of ...
Nicholas J. Balfour +6 more
openaire +2 more sources
A unifying framework for quantifying and comparing n‐dimensional hypervolumes
Methods in Ecology and Evolution, 2021 The quantification of Hutchinson's n‐dimensional hypervolume has enabled substantial progress in community ecology, species niche analysis and beyond. However, most existing methods do not support a partitioning of the different components of hypervolume.
Muyang Lu, Kevin Winner, Walter Jetz
doaj +1 more source
Diversity, 2022 Niche partitioning studies are essential to understand the mechanisms that allow ecologically similar species to coexist. The Rhone streber (Zingel asper) and the European bullhead (Cottus gobio) are both benthic riverine fishes that consume ...
Kurt Villsen +7 more
doaj +1 more source