Multiple stressors determine river ecological status at the European scale: Towards an integrated understanding of river status deterioration

Global Change Biology, Journal Year: 2020, Volume and Issue: 27(9), P. 1962 - 1975

Published: Dec. 29, 2020

Abstract The biota of European rivers are affected by a wide range stressors impairing water quality and hydro‐morphology. Only about 40% Europe's reach ‘good ecological status’, target set the Water Framework Directive (WFD) indicated biota. It is yet unknown how different in concert impact status relationship between differs river types. We linked intensity seven to recently measured data for more than 50,000 sub‐catchment units (covering almost 80% surface area), which were distributed among 12 broad Stressor either derived from remote sensing (extent urban agricultural land use riparian zone) or modelled (alteration mean annual flow base flow, total phosphorous load, nitrogen load mixture toxic pressure, composite metric substances), while on taken national statutory reporting second WFD River Basin Management Plans years 2010–2015. used Boosted Regression Trees link stressor intensities. explained average 61% deviance individual types, with all contributing considerably this explanation. On average, 39.4% was altered hydro‐morphology (morphology: 23.2%; hydrology: 16.2%), 34.4% nutrient enrichment 26.2% substances. More half interaction, substances interacting most frequently strongly. Our results underline that types determined co‐occurring multiple stressors, lending support conclusion fundamental management strategies at catchment scale required ambitious objective good waters.

Language: Английский

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Rising water temperature in rivers: Ecological impacts and future resilience

Wiley Interdisciplinary Reviews Water, Journal Year: 2024, Volume and Issue: 11(4)

Published: March 5, 2024

Abstract Rising water temperatures in rivers due to climate change are already having observable impacts on river ecosystems. Warming has both direct and indirect aquatic life, further aggravates pervasive issues such as eutrophication, pollution, the spread of disease. Animals can survive higher through physiological and/or genetic acclimation, behavioral phenological change, range shifts more suitable locations. As such, those animals that adapted cool‐water regions typically found high altitudes latitudes where there fewer dispersal opportunities most at risk future extinction. However, sub‐lethal animal physiology phenology, body‐size, trophic interactions could have significant population‐level effects elsewhere. Rivers vulnerable warming because historic management left them exposed solar radiation removal riparian shade, hydrologically disconnected longitudinally, laterally, vertically. The resilience riverine ecosystems is also limited by anthropogenic simplification habitats, with implications for resource use resident organisms. Due complex ecosystems, species‐specific response organisms warming, predicting how will challenging. Restoring provide connectivity heterogeneity conditions would a expected co‐occurring pressures, including should be considered priority part global strategies adaptation mitigation. This article categorized under: Science Water > Environmental Change Life Nature Freshwater Ecosystems Stresses Pressures

Language: Английский

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Land cover disturbance homogenizes aquatic insect functional structure in neotropical savanna streams

Ecological Indicators, Journal Year: 2017, Volume and Issue: 84, P. 573 - 582

Published: Sept. 23, 2017

Language: Английский

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Land use changes and socio-economic development strongly deteriorate river ecosystem health in one of the largest basins in China

The Science of The Total Environment, Journal Year: 2017, Volume and Issue: 616-617, P. 376 - 385

Published: Nov. 17, 2017

Language: Английский

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A review of recent advances and future challenges in freshwater salinization

Limnetica, Journal Year: 2020, Volume and Issue: 39(1), P. 185 - 211

Published: Jan. 15, 2020

A review of recent advances and future challenges in freshwater salinizationIn spite being a worldwide phenomenon that can have important ecological, economic social consequences, salinization (i.e. the increase ion concentrations freshwaters) has been poorly studied when compared with other environmental issues.However, it is receiving increasing attention, significant scientific made during last two decades.Here I current knowledge on topic propose research directions within context human welfare global change.Freshwater caused by wide range activities, agriculture resource extraction most widely documented.Different studies suggest could be affecting around 1/3 bodies, this number will very likely due to climate land use changes.The salinity freshwaters known cause adverse effects fitness survival many aquatic organisms, however osmoregulatory mechanisms underlying these are still understood.Moreover, proved different ions toxicities but focused exclusively Na + Cl -.Thus, more investigations potential specific (e.g.K , SO 4 2-) needed.The impact biodiversity alter ecosystem functioning, although only few functions (e.g.leaf litter decomposition).Also, affect delivery services direct (e.g.infrastructure corrosion) (e.g.human health) impacts rarely assessed.The management urgent issue needs improved through mitigation (e.g.backfilling mine tailings), remediation (e.g.enhanced wastewater treatment), prevention (e.g. using alternative deicers for roads) monitoring (e.g.estimating salt loads ecosystems) actions.

Language: Английский

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Effects of changing climate on European stream invertebrate communities: A long-term data analysis

The Science of The Total Environment, Journal Year: 2017, Volume and Issue: 621, P. 588 - 599

Published: Nov. 29, 2017

Language: Английский

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Occurrence of caffeine in the freshwater environment: Implications for ecopharmacovigilance

Environmental Pollution, Journal Year: 2020, Volume and Issue: 263, P. 114371 - 114371

Published: March 17, 2020

Language: Английский

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Intraseasonal Drainage Network Dynamics in a Headwater Catchment of the Italian Alps

Water Resources Research, Journal Year: 2020, Volume and Issue: 56(4)

Published: March 23, 2020

Abstract In the majority of existing studies, streams are conceived as static objects that occupy predefined regions landscape. However, empirical observations suggest stream networks systematically and ubiquitously featured by significant expansion/retraction dynamics produced hydrologic climatic variability. This contribution presents novel data about active drainage network a 5 km 2 headwater catchment in Italian Alps. The has been extensively monitored with biweekly temporal resolution during field campaign conducted from July to November 2018. Our results reveal that, spite wet climate typical study area, more than 70% observed river is temporary, presence disconnected reaches periods. Available have used develop set simple statistical models were able properly reconstruct length function antecedent precipitation. rainfall timing intensity represent major controls on length, while evapotranspiration minor effect intraseasonal changes density. also indicate multiple expansion retraction cycles simultaneously operate at different time scales, response distinct hydrological processes. Furthermore, we found spatial patterns unchanneled lengths related underlying heterogeneity geological attributes. offers insights physical mechanisms driving low‐order alpine catchments.

Language: Английский

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Flushing away the future: The effects of wastewater treatment plants on aquatic invertebrates

Water Research, Journal Year: 2023, Volume and Issue: 243, P. 120388 - 120388

Published: July 19, 2023

Language: Английский

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Water quality and habitat drive phytoplankton taxonomic and functional group patterns in the Yangtze River

Ecological Processes, Journal Year: 2024, Volume and Issue: 13(1)

Published: Feb. 18, 2024

Abstract Background Although phytoplankton are important primary producers in food webs, they relatively less studied large rivers compared to other types of systems. To fill this research gap, we taxonomic and functional composition their relationships with water quality, habitat, climate, land use across 30 river sections the middle lower reaches Yangtze River during 2017–2018. Results Major observed groups were cyanobacteria, bacillariophyta, chlorophyta. Phytoplankton total abundance, biomass, species richness significantly decreased dry season wet season, differing between seasons. differences seasons mainly contributed by Oscillatoria sp., Pseudanabaena Melosira granulata . The dfferences P (including Closterium sp.), Lo Merismopedia Peridinium Ceratium Gymnodinium J Pediastrum Tetraedron Crucigenia Scenedesmus Coelastrum sp.). variance partitioning showed that quality (NO 3 -N, suspended solids, turbidity) habitat (water flow, bank channel conditions) critical factors shaping patterns, followed climate use. Conclusions indicated there was significant seasonal variation River, primarily driving patterns. Our study contributes understanding natural anthropogenic drive successional processes River. These findings have implications for environmental management as well towards ecological restoration rivers.

Language: Английский

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