Bryan L. Brown
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View article: Here today, gone tomorrow: the effects of an invading host on a community of native symbionts
Here today, gone tomorrow: the effects of an invading host on a community of native symbionts Open
Invasions by new host species could potentially affect native symbionts associated with native hosts. Effects of invading hosts can be either negative or positive depending on host competence. Three native crayfish species ( Cambarus spp.)…
View article: Gramians for a New Class of Nonlinear Control Systems Using Koopman and a Novel Generalized SVD
Gramians for a New Class of Nonlinear Control Systems Using Koopman and a Novel Generalized SVD Open
Model reduction with error bounds in nonlinear systems with non-affine control inputs remains an active field of research. In this work we present a construction for Controllability and Observability Gramians in a class of non-affine contr…
View article: Crayfish molting as a disturbance effect in the assembly of ectosymbiotic communities
Crayfish molting as a disturbance effect in the assembly of ectosymbiotic communities Open
Recently, there has been an effort to view the study of symbiosis through the lens of community ecology. Hosts can be viewed as patches in a symbiont metacommunity, and host ontogenetic change can alter the properties of patches occupied b…
View article: Drivers of the Distributions of Stream‐Dwelling Crayfishes in the New River Catchment, United States
Drivers of the Distributions of Stream‐Dwelling Crayfishes in the New River Catchment, United States Open
Crayfish are keystone species and ecosystem engineers in aquatic ecosystems, and many species require conservation to support their continued persistence. Unfortunately, managers often lack basic data needed to make effective conservation …
View article: Assessing the Effects of Plant Species, Functional Traits and Groups on Soil Microbial Diversity
Assessing the Effects of Plant Species, Functional Traits and Groups on Soil Microbial Diversity Open
View article: Ectosymbionts improve host gill function in a freshwater cleaning symbiosis
Ectosymbionts improve host gill function in a freshwater cleaning symbiosis Open
Mutualisms are common interactions that involve a diverse array of taxa. An important aspect in the study of mutualisms is determining the mechanisms that underlie benefits in survival, growth and reproduction of the partner species involv…
View article: Meteorological forcing shapes reservoir zooplankton communities over six summers
Meteorological forcing shapes reservoir zooplankton communities over six summers Open
View article: Impacts of invasion on a freshwater cleaning symbiosis
Impacts of invasion on a freshwater cleaning symbiosis Open
Organismal invasions have repeatedly been cited as a driving force behind the loss of biodiversity. Unlike many other impacts of invasion, the effect of invasion on native symbiont communities has received less attention. The introduction …
View article: Editorial: Spatial constraints on multiple dimensions of biodiversity
Editorial: Spatial constraints on multiple dimensions of biodiversity Open
EDITORIAL article Front. Ecol. Evol., 12 February 2024Sec. Biogeography and Macroecology Volume 12 - 2024 | https://doi.org/10.3389/fevo.2024.1371970
View article: Impacts of Invasion on a Freshwater Cleaning Symbiosis
Impacts of Invasion on a Freshwater Cleaning Symbiosis Open
Invasions are a driving force behind the loss of biodiversity, but the effect of invasion on native symbiont communities has received scant attention. While invasive hosts may present an opportunity to native symbionts through providing a …
View article: Analysis of host plant availability and use by 2 species of soldier beetles (Coleoptera: Cantharidae) using community-gathered digital specimens
Analysis of host plant availability and use by 2 species of soldier beetles (Coleoptera: Cantharidae) using community-gathered digital specimens Open
Digital specimens collected by community members are a largely untapped source of entomological data. By mining and curating data from photo observations uploaded to online community data repositories, researchers can utilize this wealth o…
View article: Relationship with the land as a foundation for ecosystem stewardship
Relationship with the land as a foundation for ecosystem stewardship Open
We examined the hypothesis that adapting to ecosystem change on working landscapes can be enhanced by supporting the place‐based stewardship values of landowners. On the basis of responses to a survey of more than 500 landowners across a l…
View article: Multiple dimensions of functional diversity affect stream fish taxonomic β‐diversity
Multiple dimensions of functional diversity affect stream fish taxonomic β‐diversity Open
When investigating metacommunity dynamics, functional differences among species are often assumed to be as important as environmental differences between sites in determining β‐diversity. However, few studies have examined the influence of…
View article: Disentangling structural and functional responses of native versus alien communities by canonical ordination analyses and variation partitioning with multiple matrices
Disentangling structural and functional responses of native versus alien communities by canonical ordination analyses and variation partitioning with multiple matrices Open
View article: Disentangling structural and functional responses of native versus alien communities by canonical ordination analyses and variation partitioning with multiple matrices
Disentangling structural and functional responses of native versus alien communities by canonical ordination analyses and variation partitioning with multiple matrices Open
Freshwaters are under accelerated human pressure, and mollusk communities are among its most sensitive, threatened, and valuable components. To the best of our knowledge, the overall effects of damming, environment, space, and invasive ali…
View article: The potential impacts of invasions on native symbionts
The potential impacts of invasions on native symbionts Open
Symbionts, including parasites, pathogens, and mutualists, can play important roles in determining whether or not invasions by host species will be successful. Loss of enemies from the native habitat, such as parasites and pathogens, can a…
View article: Effect of curve numbers on family benthic index in headwater streams in western North Carolina, USA
Effect of curve numbers on family benthic index in headwater streams in western North Carolina, USA Open
Many studies report stream degradation from direct anthropogenic impacts by correlating increased catchment impervious cover percentage (IC) with worsening stream health. However, this correlation can be less useful when predicting stream …
View article: The dilution effect in a freshwater mutualism: Impacts of introduced host species on native symbionts
The dilution effect in a freshwater mutualism: Impacts of introduced host species on native symbionts Open
The dilution effect was originally proposed to describe the negative effect of increased host diversity on parasite or pathogen abundance; with greater host diversity, parasite or pathogen levels per host are predicted to be lower due to a…
View article: Dispersal in Stream Networks: Meta-populations and Meta-communities
Dispersal in Stream Networks: Meta-populations and Meta-communities Open
View article: Stream Bacterial Diversity Peaks at Intermediate Freshwater Salinity and Varies by Salt Type
Stream Bacterial Diversity Peaks at Intermediate Freshwater Salinity and Varies by Salt Type Open
View article: The dilution effect in a freshwater mutualism: impacts of introduced host species on native symbionts
The dilution effect in a freshwater mutualism: impacts of introduced host species on native symbionts Open
The dilution effect was originally proposed to describe the negative effect of increased host diversity on parasite abundance; with greater host diversity, parasite levels per host are predicted to be lower due to a higher probability of d…
View article: The application of metacommunity theory to the management of riverine ecosystems
The application of metacommunity theory to the management of riverine ecosystems Open
River managers strive to use the best available science to sustain biodiversity and ecosystem function. To achieve this goal requires consideration of processes at different scales. Metacommunity theory describes how multiple species from …
View article: A new composite abundance metric detects stream fish declines and community homogenization during six decades of invasions
A new composite abundance metric detects stream fish declines and community homogenization during six decades of invasions Open
Aim We developed a new technique, utilizing species‐specific counts of individuals from historical fish community samples, to examine landscape‐level, spatio‐temporal trends in relative abundance distributions. Abundance‐based historical d…
View article: A framework for understanding how biodiversity patterns unfold across multiple spatial scales in urban ecosystems
A framework for understanding how biodiversity patterns unfold across multiple spatial scales in urban ecosystems Open
Whether cities are more or less diverse than surrounding environments, and the extent to which non‐native species in cities impact regional species pools, remain two fundamental yet unanswered questions in urban ecology. Here we offer a un…
View article: Rethinking Biological Invasions as a Metacommunity Problem
Rethinking Biological Invasions as a Metacommunity Problem Open
Perhaps more than any other ecological discipline, invasion biology has married the practices of basic science and the application of that science. The conceptual frameworks of population regulation, metapopulations, supply-side ecology, a…
View article: Diversity Patterns Associated with Varying Dispersal Capabilities as a Function of Spatial and Local Environmental Variables in Small Wetlands in Forested Ecosystems
Diversity Patterns Associated with Varying Dispersal Capabilities as a Function of Spatial and Local Environmental Variables in Small Wetlands in Forested Ecosystems Open
The diversity of species on a landscape is a function of the relative contribution of diversity at local sites and species turnover between sites. Diversity partitioning refers to the relative contributions of alpha (local) and beta (speci…
View article: Host specificity and microhabitat preference of symbiotic copepods (Cyclopoida: Clausiididae) associated with ghost shrimps (Decapoda: Callichiridae, Callianideidae)
Host specificity and microhabitat preference of symbiotic copepods (Cyclopoida: Clausiididae) associated with ghost shrimps (Decapoda: Callichiridae, Callianideidae) Open
We examined the host specificity of two ectosymbiotic Clausidium Kossman, 1874 copepods ( Cyclopoida: Clausiididae ) on two co‐occurrence species of host ghost shrimps. Our results revealed that both species of symbiotic copepod demonstrat…
View article: Positive biotic interactions in freshwaters: A review and research directive
Positive biotic interactions in freshwaters: A review and research directive Open
Positive interspecific interactions such as mutualism, commensalism, and facilitation are globally ubiquitous. Although research on positive interactions in terrestrial and marine systems has progressed over the past few decades, comparati…
View article: Ectosymbionts alter spontaneous responses to the Earth’s magnetic field in a crustacean
Ectosymbionts alter spontaneous responses to the Earth’s magnetic field in a crustacean Open
View article: Experimental logging alters the abundance and community composition of ovipositing mosquitoes in the southern Appalachians
Experimental logging alters the abundance and community composition of ovipositing mosquitoes in the southern Appalachians Open
1. The loss of intact forest via logging can influence vector‐borne disease dynamics in part by altering the abundance or diversity of mosquito species. Using an experimental field approach, we characterised how two types of logging (clear…