نتایج جستجو برای: social coexistence
تعداد نتایج: 627666 فیلتر نتایج به سال:
Background. The subject of PE is often considered as a field of equal opportunities and cultural coexistence, which facilitate social skills and create a harmonic environment. Sports are a most suitable field for developing social skills, facing the “different” and embodying normally all the participants who come from different cultural environments. Objectives. The aim of this study was to co...
Coexistence of many competitive species is very common in natural plant communities. For example, almost all forests and grasslands consist of various species. Extremely high biodiversity is seen in tropical rain forests. Grassland communities also often consist of many species. In plant communities, spatially competitive species of plants coexist in a mosaic pattern. Communities with a single ...
The rise of antimicrobial resistance in many pathogens presents a major challenge to the treatment and control of infectious diseases. Furthermore, the observation that drug-resistant strains have risen to substantial prevalence but have not replaced drug-susceptible strains despite continuing (and even growing) selective pressure by antimicrobial use presents an important problem for those who...
Background and Importance: The coexistence of pituitary adenoma and another type of brain tumor is a very rare clinical scenario. Even though such a presentation can be an incidental event but the possible pathogenesis of coexistence of different lesions in the sella and suprasellar region has not yet been elucidated. Case Presentation: Two cases of concomitant sellar and suprasellar region ...
Coexistence with wildlife is becoming a key challenge in Europe as populations of large carnivores recover human-dominated landscapes. Modeling the spatial distribution conditions for human-bear coexistence can help support conservation by identifying priority areas and measures to coexistence, but existing models often only address risks either humans or carnivores. In this study, we developed...
0[ Intraspeci_c aggregation at a single spatial scale can promote the coexistence of competitors[ This paper demonstrates how this same mechanism can be applied to the many systems that are patchy at two scales\ with patches nested within {superpatches|[ 1[ Data are presented from a _eld study showing that insects living in rotting fruits have aggregated distributions in the fruits under a sing...
A fundamental result in the evolutionary-game paradigm of cyclic competition in spatially extended ecological systems, as represented by the classic Reichenbach-Mobilia-Frey (RMF) model, is that high mobility tends to hamper or even exclude species coexistence. This result was obtained under the hypothesis that individuals move randomly without taking into account the suitability of their local...
We study frequency-dependent seed predation (FDP) in a model of competing annual plant species in a variable environment. The combination of a variable environment and competition leads to the storage-effect coexistence mechanism (SE), which is a leading hypothesis for coexistence of desert annual plants. However, seed predation in such systems demands attention to coexistence mechanisms associ...
Phase behaviour of binary mixtures of diamagnetic colloidal platelets in an external magnetic field.
Using fundamental measure density functional theory we investigate paranematic-nematic and nematic-nematic phase coexistence in binary mixtures of circular platelets with vanishing thicknesses. An external magnetic field induces uniaxial alignment and acts on the platelets with a strength that is taken to scale with the platelet area. At particle diameter ratio λ = 1.5 the system displays paran...
■ Abstract The focus of most ideas on diversity maintenance is species coexistence, which may be stable or unstable. Stable coexistence can be quantified by the long-term rates at which community members recover from low density. Quantification shows that coexistence mechanisms function in two major ways: They may be (a) equalizing because they tend to minimize average fitness differences betwe...
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