Can competitive effects and responses of alien and native species predict invasion outcomes? DOI Creative Commons
Tingting Wu, Yuanzhi Li, Marc W. Cadotte

и другие.

Fundamental Research, Год журнала: 2024, Номер unknown

Опубликована: Май 1, 2024

The relative competitive ability of native and alien species, which consists effect (CE) response (CR), has often been invoked as a key determinant invasion success. Previous studies have reported that an species with high CE /or low CR would successfully invade species. However, no yet empirically examined the hypothesis or tested consistency outcomes predicted by CE-CR framework modern coexistence theory (MCT). To fill this research gap, we conducted pairwise competition experiment between five quantified based on their biomass in absence presence one competitor, both MCT frameworks. We demonstrated theoretically frequently measured previous work are only approximations interspecific coefficients, thus could not completely predict outcomes. As expected, were partially consistent predictions framework. Specifically, aliens tended to exclude natives, while be excluded natives according MCT. In contrast, pairs stable priority effects did conform theoretical expectation. Despite defects framework, it can provide some useful value predicting outcomes, especially when intrinsic growth rate intraspecific coefficients available. Our study is first compare separately derived from qualitative (the framework) quantitative methods. recommend future should adopt approaches such far possible, more comprehensively understand biotic interacting

Язык: Английский

Horizontal gene transfer is predicted to overcome the diversity limit of competing microbial species DOI Creative Commons
Shiben Zhu, Juken Hong, Teng Wang

и другие.

Nature Communications, Год журнала: 2024, Номер 15(1)

Опубликована: Янв. 27, 2024

Abstract Natural microbial ecosystems harbor substantial diversity of competing species. Explaining such is challenging, because in classic theories it extremely infeasible for a large community species to stably coexist homogeneous environments. One important aspect mostly overlooked these theories, however, that microbes commonly share genetic materials with their neighbors through horizontal gene transfer (HGT), which enables the dynamic change growth rates due fitness effects mobile elements (MGEs). Here, we establish framework competition by accounting flow among microbes. Combining theoretical derivation and numerical simulations, show many conditions HGT can surprisingly overcome biodiversity limit predicted model allow coexistence competitors, enabling neutrality In contrast static proposed previous maintained highly stable against random perturbations fitness. Our work highlights importance considering when addressing fundamental ecological questions world has broad implications design engineering complex consortia.

Язык: Английский

Процитировано

14
Revisiting the exclusion principle in epidemiology at the limit of a large competitive advantage DOI Creative Commons
Nir Gavish

Journal of Theoretical Biology, Год журнала: 2025, Номер 600, С. 112045 - 112045

Опубликована: Янв. 21, 2025

Язык: Английский

Процитировано

0
Coexistence Theory for Microbial Ecology, and Vice Versa DOI Creative Commons
James Orr, David Armitage, Andrew D. Letten

и другие.

Environmental Microbiology, Год журнала: 2025, Номер 27(3)

Опубликована: Март 1, 2025

ABSTRACT Classical models from theoretical ecology are seeing increasing uptake in microbial ecology, but there remains rich potential for closer cross‐pollination. Here we explore opportunities stronger integration of ecological theory into research (and vice versa) through the lens so‐called “modern” coexistence theory. Coexistence can be used to disentangle contributions different mechanisms (e.g., resource partitioning, environmental variability) make species coexistence. We begin with a short primer on fundamental concepts theory, an emphasis relevance communities. next present systematic review, which highlights paucity empirical applications systems. In light this gap, then identify and discuss ways which: (i) help answer applied questions particularly spatio‐temporally heterogeneous environments, (ii) experimental systems leveraged validate advance Finally, address several unique often surmountable challenges posed by systems, as well some conceptual limitations. Nevertheless, thoughtful presents wealth advancement both ecology.

Язык: Английский

Процитировано

0
Pioneer generation shapes long-term recovery of coral populations DOI
Aziz J. Mulla, Vianney Denis, Yoko Nozawa

и другие.

Research Square (Research Square), Год журнала: 2025, Номер unknown

Опубликована: Май 12, 2025

Abstract Reef recovery following a disturbance largely depends on successful coral recruitment and the absence of chronic stressors. However, recent events show increasing homogenization, with dominant species replacing high diversity that once characterized these ecosystems. In this study, we analysed nine-year dataset (2012–2020) describing reef towards Pocillopora-dominated state in Taiwan devastating typhoon. Tracking eight cohorts, assessed growth, survival reproduction. Pocillopora peaked during first three years, but mortality surged fourth year. The initial generation had highest rates, while by fifth year, newly settled individuals failed to survive beyond two years. By 2020, 83% consisted corals from 2012–2016, 38% originating alone (2012). This pioneer was primary contributor growth reproduction, emphasizing reef's reliance early settlers, leading an ageing community. While generations were critical recovery, their dominance may have driven gradual loss biodiversity. Our findings highlight importance development underscores risk only few after recovery.

Язык: Английский

Процитировано

0
Metapopulations, the inflationary effect, and consequences for public health DOI
Nicholas Kortessis, Gregory E. Glass, Andrew Gonzalez

и другие.

The American Naturalist, Год журнала: 2024, Номер 205(3), С. 342 - 359

Опубликована: Ноя. 6, 2024

AbstractThe metapopulation concept offers significant explanatory power in ecology and evolutionary biology. Metapopulations, a set of spatially distributed populations linked by dispersal, their community ecosystem level analogs, metacommunity meta-ecosystem models, tend to be more stable regionally than locally. This fact is largely attributable the interplay spatiotemporal heterogeneity dispersal (the inflationary effect). We highlight this underappreciated (but essential) role biology, present novel expression for quantifying defining effect, provide mechanistic interpretation how it arises impacts population growth abundance. illustrate effect with examples from infectious disease dynamics, including hypothesis that policy decisions made during COVID-19 pandemic generated enhanced spread disease. finish noting generates emergent processes at large scales across many topics history ecology, as diverse natural enemy-victim species coexistence, conservation Embracing complexity vital future research on persistence populations.

Язык: Английский

Процитировано

2
Partitioning the Impacts of Spatial-Temporal Variation in Demography and Dispersal on Metapopulation Growth Rates DOI
Sebastian J. Schreiber

The American Naturalist, Год журнала: 2024, Номер 205(2), С. 149 - 169

Опубликована: Окт. 7, 2024

AbstractSpatial-temporal variation in environmental conditions is ubiquitous nature. This simultaneously impacts survival, reproduction, and movement of individuals thereby the rate at which metapopulations grow. Using tools stochastic demography, metapopulation growth decomposed into five components corresponding to temporal, spatial, spatial-temporal fitness spatial covariation dispersal fitness. While temporal always reduces rate, all other sources can either increase or reduce rate. Increases occur by reducing generating a positive fitness-density covariance where tend concentrate higher-quality patches. For example, autocorrelations variability generate this for less dispersive populations but decrease it highly (e.g., migratory species). Negative have opposite effects. Positive covariances between future fitness, on short long timescales, rates. These arise unexpected ways. win-stay, lose-shift strategy negatively autocorrelated environments that exceed negative covariances. decomposition provides way quantify relative importance fundamental persistence.

Язык: Английский

Процитировано

1
Metapopulations, the inflationary effect, and consequences for public health DOI Creative Commons
Nicholas Kortessis, Gregory E. Glass, Andrew Gonzalez

и другие.

bioRxiv (Cold Spring Harbor Laboratory), Год журнала: 2023, Номер unknown

Опубликована: Ноя. 2, 2023

Abstract The metapopulation perspective is an important conceptual framework in ecology and evolutionary ecology. Metapopulations are spatially distributed populations linked by dispersal. Both models their community ecosystem level analogues, metacommunity meta-ecosystem models, tend to be more stable regionally than locally display enhanced abundance because of the interplay spatiotemporal heterogeneity dispersal (an effect that has been called “inflationary effect”). We highlight essential role biology, sketch empirical demonstrations inflationary effect, provide a mechanistic interpretation how arises impacts population growth abundance. illustrate with examples from spread infectious disease. Namely, failure recognize full possible effects likely COVID-19, based on lack understanding emergent processes at large scales which may hamper control eradication other diseases. finish noting have implicitly played roles history ecology, ranging across subdisciplines as diverse natural enemy-victim dynamics, species coexistence, conservation biology. Seriously confronting complexity could push many these forward.

Язык: Английский

Процитировано

3
Lotka-Volterra predator-prey model with periodically varying carrying capacity DOI
Mohamed Swailem, Uwe C. Täuber

Physical review. E, Год журнала: 2023, Номер 107(6)

Опубликована: Июнь 30, 2023

We study the stochastic spatial Lotka-Volterra model for predator-prey interaction subject to a periodically varying carrying capacity. The with on-site lattice occupation restrictions (i.e., finite local capacity) that represent food resources prey population exhibits continuous active-to-absorbing phase transition. active is sustained by existence of spatiotemporal patterns in form pursuit and evasion waves. Monte Carlo simulations on two-dimensional are utilized investigate effect seasonal variations environment species coexistence. results our also compared mean-field analysis order specifically delineate impact fluctuations correlations. find parameter region predator coexistence enlarged relative stationary situation when capacity varies periodically. (quasi-)stationary regime system shows qualitative agreement between approximation. However, under periodic capacity-switching environments, rate equations predict period-doubling scenarios washed out internal reaction noise model. Utilizing visual representations dynamical correlation functions, we how waves affected ensuing resonance effects. Correlation function measurements indicate time delay response sudden changes environment. Resonance features observed cause prolonged persistent Different effective static environments explored extreme limits fast slow switching. fast-switching enables semiquantitative description state.

Язык: Английский

Процитировано

2
Can competitive effects and responses of alien and native species predict invasion outcomes? DOI Creative Commons
Tingting Wu, Yuanzhi Li, Marc W. Cadotte

и другие.

Fundamental Research, Год журнала: 2024, Номер unknown

Опубликована: Май 1, 2024

The relative competitive ability of native and alien species, which consists effect (CE) response (CR), has often been invoked as a key determinant invasion success. Previous studies have reported that an species with high CE /or low CR would successfully invade species. However, no yet empirically examined the hypothesis or tested consistency outcomes predicted by CE-CR framework modern coexistence theory (MCT). To fill this research gap, we conducted pairwise competition experiment between five quantified based on their biomass in absence presence one competitor, both MCT frameworks. We demonstrated theoretically frequently measured previous work are only approximations interspecific coefficients, thus could not completely predict outcomes. As expected, were partially consistent predictions framework. Specifically, aliens tended to exclude natives, while be excluded natives according MCT. In contrast, pairs stable priority effects did conform theoretical expectation. Despite defects framework, it can provide some useful value predicting outcomes, especially when intrinsic growth rate intraspecific coefficients available. Our study is first compare separately derived from qualitative (the framework) quantitative methods. recommend future should adopt approaches such far possible, more comprehensively understand biotic interacting

Язык: Английский

Процитировано

0