F. Altermatt

Riparian forests shape trophic interactions in detrital stream food webs

This study examines how riparian vegetation affects trophic interactions in detrital stream food webs through experimental analysis of stoichiometric and isotopic differences.

eDITH: an R-package to spatially project eDNA-based biodiversity across river networks with minimal prior information

eDITH is an R-package that projects eDNA-based biodiversity across river networks using hydrological models and minimal prior information, producing spatially integrated biodiversity maps.

Terrestrial land cover shapes fish diversity in major subtropical rivers

The paper links terrestrial land cover changes to fish diversity in a subtropical river catchment, showing LULC effects up to 20 km upstream and explaining 60% of species richness variance.

Evolutionary origin of morphologically cryptic species imprints co-occurrence and sympatry patterns

The paper examines how the evolutionary origin of cryptic species influences their co-occurrence and range overlap patterns across geographic scales.

The structure of Lepidoptera-plant interaction networks across clades, life stages, and environmental gradients

The paper analyzes Lepidoptera-plant interaction networks across different clades, life stages, and environmental gradients to reveal spatial-structural patterns and their drivers.

Fewer non-native insects in freshwater than in terrestrial habitats across continents

The paper compares the representation of non-native insect species in freshwater and terrestrial habitats across three continents, finding non-native species are underrepresented in freshwater.

Modelling eDNA transport in river networks reveals highly resolved spatio-temporal patterns of freshwater biodiversity

The paper models eDNA transport in river networks to reveal spatio-temporal patterns of freshwater biodiversity across multiple taxonomic groups and seasons.

A triad of kicknet sampling, eDNA metabarcoding, and predictive modeling to assess aquatic macroinvertebrate biodiversity

This study compares eDNA metabarcoding, kicknet sampling, and species distribution models to assess aquatic macroinvertebrate biodiversity, finding discrepancies in community composition and limited correlation with predictive models.

Blue and green food webs respond differently to elevation and land use

The paper compares structural and ecological differences between blue and green food webs across elevation and land use in Switzerland, finding divergent responses to environmental gradients.

The interaction of climate history and evolution impacts alpine biodiversity assembly differently in freshwater and on land

The paper examines how climate history and evolution shaped alpine biodiversity differently in freshwater and terrestrial ecosystems, finding distinct patterns of speciation linked to glacial refugia and adaptive radiation.

A spatial fingerprint of land-water linkage of biodiversity uncovered by remote sensing and environmental DNA

The paper identifies a spatial land-water fingerprint linking riverine eDNA diversity to terrestrial RS spectral diversity in a mountainous catchment.

Spatio-temporal patterns of multi-trophic biodiversity and food-web characteristics uncovered across a river catchment using environmental DNA

The paper characterizes biodiversity and food-web structure across a river catchment using environmental DNA, revealing distinct spatial and temporal patterns between taxonomic groups and their ecological interactions.

Meta-analysis shows both congruence and complementarity of DNA metabarcoding to traditional methods for biological community assessment

This study meta-analyzes DNA metabarcoding and traditional methods for aquatic community assessment, finding congruence for fish but complementarity for microorganisms and macroinvertebrates.

Meta-ecosystem dynamics drive the spatial distribution of functional groups in river networks

The paper develops a riverine meta-ecosystem model to show how spatial structure and resource flows shape invertebrate functional group distributions and biomass, with anthropization reducing regional biomass and causing extinctions.

South American freshwater fish diversity shaped by Andean uplift since the Late Cretaceous

The paper investigates how Andean uplift and river rerouting events shaped freshwater fish diversity in South America, showing that dynamic riverine habitats drove high diversification rates.

Selection on growth rate and local adaptation drive genomic adaptation during experimental range expansions in the protist Tetrahymena thermophila

This study examines genomic adaptation in Tetrahymena thermophila during range expansions, finding sexual reproduction influences genetic architecture and adaptation to environmental gradients.

Dispersal rate and riverine network connectivity shape the genetic diversity of freshwater amphipod metapopulations

The paper studies how river network connectivity and dispersal rates affect genetic diversity in freshwater amphipod metapopulations, finding dispersal rate is the key factor.

The shape of density dependence and the relationship between population growth, intraspecific competition and equilibrium population density

This paper reviews the logistic growth model, highlights its limitations, and proposes alternative models to better capture density dependence in population dynamics.

How to design optimal eDNA sampling strategies for biomonitoring in river networks

This study identifies optimal eDNA sampling strategies in river networks using hydrology-based models and simulations to improve biodiversity monitoring.

Gene swamping alters evolution during rangeexpansions in the protist Tetrahymena thermophila

This study tests the gene swamping hypothesis by showing sex accelerates local adaptation without gene flow but hinders it with gene flow in Tetrahymena thermophila during range expansions.

Decision making and best practices for taxonomy-free eDNA metabarcoding in biomonitoring using Hill numbers

The paper evaluates how stringency filtering affects diversity estimates in eDNA metabarcoding using Hill numbers, identifying best practices for biodiversity assessments.

Generation and application of river network analogues for use in ecology and evolution

This paper introduces a method to generate optimal channel networks (OCNs) and provides an R-package, OCNet, for their application in ecological and evolutionary studies.

Estimation of the propensity for sexual selection in a cyclical parthenogen

The paper examines sexual selection in Daphnia magna by observing mating behavior and genetic markers, finding evidence of assortative mating and sperm competition.

Patch size distribution and network connectivity affect species invasion dynamics in dendritic networks

The paper investigates how patch size distribution and network connectivity influence species invasion dynamics in dendritic networks through microcosm experiments.

Evolution in interacting species alters predator life history traits, behavior and morphology in experimental microbial communities

This study shows that predator evolution in microbial communities alters morphology and behavior but not growth on ancestral prey, highlighting trait-specific evolutionary responses in co-evolving systems.

Evolution under pH stress and high population densities leads to increased density-dependent fitness in the protist Tetrahymena thermophila

This study shows that under pH stress and high population densities, Tetrahymena thermophila genotypes evolve to converge in density-dependent fitness through changes in intrinsic growth rate or competitive ability.

Metaecosystem dynamics drive community composition in experimental multi-layered spatial networks

The paper studies how spatial configurations influence community composition through resource exchange in experimental multi-layered networks.

Nonlinear Effects of Intraspecific Competition Alter Landscape-Wide Upscaling of Ecosystem Function

The paper shows that nonlinear intraspecific competition significantly reduces landscape-scale predictions of leaf litter decomposition rates compared to density-independent models.

Assessing different components of biodiversity across a river network using eDNA

This study compares eDNA and kicknet methods for assessing biodiversity in a river network, finding similar richness estimates but differing community composition assessments.

Dispersal syndromes can impact ecosystem functioning in spatially structured freshwater populations

The paper examines how dispersal syndromes affect detrital processing in freshwater ecosystems by comparing dispersing and resident individuals of two invertebrate species.