Characterization of European lampreys and fishes by their longitudinal and lateral distribution traits

Wolter, Christian; Borcherding, Jost; Ferreira, Teresa; Freyhof, Jörg; Geßner, Jörn; Górski, Konrad; A, Năstase; Schomaker, Christian; Erős, Tibor

doi:10.1016/j.ecolind.2021.107350

Cited by 7 publications

(4 citation statements)

References 43 publications

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“…We used the habitat affinity values of the floodplain fish index to distinguish habitat specialist vs. generalist species [ 25 ]. This index uses a fuzzy coding system (sensu [ 26 ]) to characterize the probability of occurrence of 163 European lamprey and fish species along the lateral connectivity gradient of floodplain rivers.…”

Section: Methodsmentioning

confidence: 99%

“…This index uses a fuzzy coding system (sensu [ 26 ]) to characterize the probability of occurrence of 163 European lamprey and fish species along the lateral connectivity gradient of floodplain rivers. Specifically, using species distribution data all over Europe the affinity of the species to five major river-floodplain waterbody types was scored between 0 and 10 for each type, summing up to a total of 10 across all types [ 25 ]. In general, specialist species occur only in a restricted amount of habitat types and can be characterized with high affinity scores to these habitats, while generalist species occur along the full gradient of floodplain habitats with low affinity scores.…”

Section: Methodsmentioning

confidence: 99%

“…between 0 and 10 for each type, summing up to a total of 10 across all types [25]. In general, specialist species occur only in a restricted amount of habitat types and can be characterized with high affinity scores to these habitats, while generalist species occur along the full gradient of floodplain habitats with low affinity scores.…”

Section: Plos Onementioning

confidence: 99%

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eDNA metabarcoding reveals the role of habitat specialization and spatial and environmental variability in shaping diversity patterns of fish metacommunities

Erős,

Funk,

Pont

et al. 2024

PLoS ONE

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Information is scarce on how environmental and dispersal processes interact with biological features of the organisms, such as their habitat affinity, to influence patterns in biodiversity. We examined the role of habitat specialist vs. generalist species, and the spatial configuration, connectivity, and different environmental characteristics of river-floodplain habitats to get a more mechanistic understanding of alpha and beta diversity of fish metacommunities. We used environmental DNA metabarcoding to characterize species (taxa) richness and composition in two separate floodplains of the river Danube (Austria and Hungary) during two different hydrological conditions. Results showed that differences in the number of generalist and specialist species and their responses to connectivity and environmental gradients influenced patterns in alpha and beta diversity. Of the components of beta diversity, richness difference (nestedness) showed consistently higher values than replacement (turnover), mainly due to the decrease of specialist species along the connectivity gradient (i.e., from the mainstem to the most isolated oxbows). Variance in both alpha and beta diversity could be well predicted by a set of local and regional variables, despite high environmental variability, which characterizes river-floodplain ecosystems. Of these, the joint or shared variance fractions proved to be the most important, which indicates that the effects of local and regional processes cannot be unambiguously separated in these river-floodplain systems. Local scale environmental variables were more important determinants of both alpha and beta diversity in the low water period than in the high water period. These results indicate the differential role of local and regional processes in community organization during different hydrological conditions. Maintenance of both local and regional scale processes are thus important in the preservation of alpha and beta diversity of floodplain fish metacommunities, which should be considered by environmental management.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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eDNA metabarcoding reveals the role of habitat specialization and spatial and environmental variability in shaping diversity patterns of fish metacommunities

Erős,

Funk,

Pont

et al. 2024

PLoS ONE

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“…Fish traits of feeding guild, habitat, migration, and reproduction were obtained from the freshwaterecology.info trait database. Flow preference traits followed the FAME consortium (EU FP5), sh community traits of sensitivity according to van Treeck et al (2020), of Fish Region Index (FRI) and its variation of FRI (S 2 FRI) based on Wolter et al (2021). Macroinvertebrate traits were obtained from the Tachet database (Tachet et al 2010).…”

Section: Fish and Macroinvertebrate Biodiversitymentioning

confidence: 99%

Inland navigation is a driver of freshwater biodiversity declines in Europe

Sexton,

Beisel,

Staentzel

et al. 2023

Preprint

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Freshwater navigation is expected to increase in the coming years, being promoted as a low-carbon form of transport. However, we currently lack knowledge on how this will impact biodiversity at large scales and interact with existing stressors. We addressed this knowledge gap by analyzing fish and macroinvertebrate community time series spanning the last 30 years across large European rivers comprising 19,592 observations from 4,049 sampling sites. We found ship traffic to be associated with biodiversity declines, i.e. decreases in fish and macroinvertebrate taxonomic richness and diversity, and trait richness. Shipping was also associated with increases in taxonomic evenness, which, in concert with richness decreases, can likely be attributed to losses in rare/smaller populations. In particular, shipping was especially harmful for benthic taxa and those preferring slow flows. These effects were often dependent on local land use and degradation. In fish, the negative impacts of shipping were highest in urban and agricultural landscapes. Regarding navigation infrastructure, the negative impact of channelization on macroinvertebrates was only evident when riparian degradation was also high. Our results demonstrate the risk of increasing inland navigation on freshwater biodiversity. Integrative waterway management accounting for riparian and landscape characteristics could help to mitigate these impacts.

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Revitalisierung von Flussaltwässern – Bewertung und Projektbeispiele

Lüderitz

2021

Handbuch Angewandte Limnologie: Grundlagen ‐ Gewässerbelastung ‐ Restaurierung ‐ Aquatische Ökotoxikologie ‐ Bewertung ‐ Gewäss

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Characterization of European lampreys and fishes by their longitudinal and lateral distribution traits

Cited by 7 publications

References 43 publications

eDNA metabarcoding reveals the role of habitat specialization and spatial and environmental variability in shaping diversity patterns of fish metacommunities

eDNA metabarcoding reveals the role of habitat specialization and spatial and environmental variability in shaping diversity patterns of fish metacommunities

Inland navigation is a driver of freshwater biodiversity declines in Europe

Revitalisierung von Flussaltwässern – Bewertung und Projektbeispiele

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