Extreme weather events threaten biodiversity and functions of river ecosystems: evidence from a meta‐analysis

S Sabater, A Freixa, L Jiménez… - Biological …, 2023 - Wiley Online Library
Both gradual and extreme weather changes trigger complex ecological responses in river
ecosystems. It is still unclear to what extent trend or event effects alter biodiversity and …

Drought in intermittent river and ephemeral stream networks

R Sarremejane, ML Messager, T Datry - Ecohydrology, 2022 - Wiley Online Library
Intermittent rivers and ephemeral streams (IRES), those watercourses that periodically
cease to flow or dry, are the world's most widespread type of river ecosystem. Our …

Reconceptualizing the hyporheic zone for nonperennial rivers and streams

AG DelVecchia, M Shanafield, MA Zimmer… - Freshwater …, 2022 - journals.uchicago.edu
Nonperennial streams dominate global river networks and are increasing in occurrence
across space and time. When surface flow ceases or the surface water dries, flow or …

Small rain events during drought alter sediment dissolved organic carbon leaching and respiration in intermittent stream sediments

LE Coulson, G Weigelhofer, S Gill, T Hein, C Griebler… - Biogeochemistry, 2022 - Springer
With climate change, streams and rivers are at increased risk of droughts and flow
intermittency. The full implications of these conditions for fluvial carbon (C) processing and …

Effects of the desiccation duration on the dynamic responses of biofilm metabolic activities to rewetting

L Miao, C Li, TM Adyel, W Huang, J Wu… - … Science & Technology, 2023 - ACS Publications
Global climate changes have increased the duration and frequency of river flow interruption,
affecting the physical and community structure of benthic biofilms. However, the dynamic …

[HTML][HTML] Drying shapes the ecological niche of aquatic fungi with implications on ecosystem functioning

R Arias-Real, M Menéndez, I Muñoz… - Science of the Total …, 2023 - Elsevier
Fungi are among the most abundant and diverse organisms on Earth and play pivotal roles
in global carbon processing, nutrient cycling and food webs. Despite their abundant and …

Key bacterial groups maintain stream multifunctionality in response to episodic drying

G Gionchetta, R Arias‐Real, P Hurtado… - Limnology and …, 2024 - Wiley Online Library
Microbial biodiversity is fundamental to maintain ecosystem functioning in seasonally
variable ecosystems. However, it remains unclear how alterations in water availability …

[HTML][HTML] Defining dry rivers as the most extreme type of non-perennial fluvial ecosystems

MR Vidal-Abarca, R Gómez, MM Sánchez-Montoya… - Sustainability, 2020 - mdpi.com
We define Dry Rivers as those whose usual habitat in space and time are dry channels
where surface water may interrupt dry conditions for hours or a few days, primarily after …

Fungal biodiversity mediates the effects of drying on freshwater ecosystem functioning

R Arias-Real, C Gutiérrez-Cánovas, I Munoz… - Ecosystems, 2022 - Springer
Investigating the influence of biodiversity on ecosystem functioning over environmental
gradients is needed to anticipate ecosystem responses to global change. However, our …

Desiccation time and rainfall control gaseous carbon fluxes in an intermittent stream

MI Arce, MM Bengtsson, D von Schiller, D Zak… - Biogeochemistry, 2021 - Springer
Droughts are recognized to impact global biogeochemical cycles. However, the implication
of desiccation on in-stream carbon (C) cycling is not well understood yet. We subjected …