Results 11 to 20 of about 321,236 (250)

Simulating Groundcover Community Assembly in a Frequently Burned Ecosystem Using a Simple Neutral Model [PDF]

open access: yesFrontiers in Plant Science, 2019
Fire is a keystone process that drives patterns of biodiversity globally. In frequently burned fire-dependent ecosystems, surface fire regimes allow for the coexistence of high plant diversity at fine scales even where soils are uniform.
E. Louise Loudermilk   +9 more
doaj   +3 more sources

Impact of landscape disturbance on butterfly communities: Diversity, distance dependence, and neutral model predictions

open access: yesGlobal Ecology and Conservation
Recent theoretical work suggests that rainforest biotas are not primarily structured by environmental determinism but rather by stochastic processes. We sampled butterflies from primary and disturbed (logged, and burnt) forest landscapes and compared ...
Daniel F.R. Cleary   +3 more
doaj   +3 more sources

How to quantify immigration from community abundance data using the neutral community model. [PDF]

open access: yesProc Natl Acad Sci U S A
Biological communities are connected through dispersal, which regulates diversity across local and regional scales. However, dispersal is difficult to measure directly, limiting what is known about dispersal’s impact on species composition in complex communities.
Rafay R, Jones EW, Sivak DA, Fowler SJ.
europepmc   +3 more sources

Neutral Processes Provide an Insight Into the Structure and Function of Gut Microbiota in the Cotton Bollworm

open access: yesFrontiers in Microbiology, 2022
Gut-associated microbes can influence insect health and fitness. Understanding the structure of bacterial communities provides valuable insights on how different species may be selected and their functional characteristics in their hosts.
Sali Li   +14 more
doaj   +1 more source

Communication-free and Parallel Simulation of Neutral Biodiversity Models

open access: yesCoRR, 2021
We present a novel communication-free algorithm for individual-based probabilistic neutral biodiversity simulations. The algorithm transforms a neutral Moran ecosystem model into an embarrassingly parallel problem by trading off inter-process communication at the cost of some redundant computation.
openaire   +3 more sources

Niche‐neutral theoretic approach to mechanisms underlying the biodiversity and biogeography of human microbiomes

open access: yesEvolutionary Applications, 2021
The human microbiome consists of five major regional biomes distributed in or on our five body sites including skin, oral, lung, gut, and reproductive tract.
Zhanshan (Sam) Ma
doaj   +1 more source

Does colorectal cancer significantly influence the assembly of gut microbial communities? [PDF]

open access: yesPeerJ, 2017
Colorectal cancer (CRC) is the third commonest malignant tumor. Previous studies have revealed that the composition change of the human gut microbiome, measured by community diversity, is associated with the progression of CRC.
Lin Dai   +5 more
doaj   +2 more sources

Assessing mechanisms for microbial taxa and community dynamics using process models

open access: yesmLife, 2023
Disentangling the assembly mechanisms controlling community composition, structure, distribution, functions, and dynamics is a central issue in ecology. Although various approaches have been proposed to examine community assembly mechanisms, quantitative
Linwei Wu   +9 more
doaj   +1 more source

Distribution and Assembly Processes of Soil Fungal Communities along an Altitudinal Gradient in Tibetan Plateau

open access: yesJournal of Fungi, 2021
In soil ecosystems, fungi exhibit diverse biodiversity and play an essential role in soil biogeochemical cycling. Fungal diversity and assembly processes across soil strata along altitudinal gradients are still unclear. In this study, we investigated the
Sarfraz Hussain   +6 more
doaj   +1 more source

Self-consistent approach for neutral community models with speciation

open access: yesPhysical Review E, 2010
Hubbell's neutral model provides a rich theoretical framework to study ecological communities. By incorporating both ecological and evolutionary time scales, it allows us to investigate how communities are shaped by speciation processes. The speciation model in the basic neutral model is particularly simple, describing speciation as a point-mutation ...
Haegeman, Bart, Etienne, Rampal
openaire   +3 more sources

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