Monica Tolotti
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View article: Global evidence that cold rocky landforms support icy springs in warming mountains
Global evidence that cold rocky landforms support icy springs in warming mountains Open
Climate change is reducing the extent of cold aquatic habitats and their unique biodiversity in mountain areas. However, a variety of cold rocky landforms (CRLs) are thermally buffered and feed cold springs (<2 °C) that may represent clima…
View article: Intact rock glaciers as weathering reactors: influence on spring water quality
Intact rock glaciers as weathering reactors: influence on spring water quality Open
During the last decades, most glaciers have been retreating and losing mass in all high-mountain regions, where permafrost has also undergone warming, degradation, and ice loss. In this context, rock glaciers, a visual indication of the pr…
View article: Increasing Nickel Concentrations in a Large River Network of South Tyrol, Eastern European Alps
Increasing Nickel Concentrations in a Large River Network of South Tyrol, Eastern European Alps Open
Climate change and cryosphere degradation may enhance the concentrations of heavy metals in high-mountain rivers. However, the downstream export of these contaminants to lower elevations is still overlooked. In this study, we investigated …
View article: Spring-water temperature suggests widespread occurrence of Alpine permafrost in pseudo-relict rock glaciers
Spring-water temperature suggests widespread occurrence of Alpine permafrost in pseudo-relict rock glaciers Open
Runoff originating from ground ice contained in rock glaciers represents a significant water supply for lowlands. Pseudo-relict rock glaciers contain patchy permafrost but appear to be relict, and therefore they can be misinterpreted when …
View article: Factors controlling the water quality of rock glacier springs in European and American mountain ranges
Factors controlling the water quality of rock glacier springs in European and American mountain ranges Open
Rock glaciers (RGs) provide significant water resources in mountain areas under climate change. Recent research has highlighted high concentrations of solutes including trace elements in RG-fed waters, with negative implications on water q…
View article: Thermal characteristics of springs fed by mountain permafrost in Val di Sole (Eastern Italian Alps)
Thermal characteristics of springs fed by mountain permafrost in Val di Sole (Eastern Italian Alps) Open
In alpine areas, spring-water temperature is affected by the presence of permafrost and by changes in the periglacial domain caused by the current atmospheric warming. Our interest in spring-water temperature is related to the possibility …
View article: Spring-water temperature suggests widespread occurrence of Alpine permafrost in pseudo-relict rock glaciers
Spring-water temperature suggests widespread occurrence of Alpine permafrost in pseudo-relict rock glaciers Open
Runoff originating from ground ice contained in landforms like rock glaciers and talus slopes represents an important water supply for the lowlands. Pseudo-relict rock glaciers host patchy permafrost, but appear to be visually relict, and …
View article: Effects of nitrogen on benthic diatom assemblages in high-elevation central and eastern alpine lakes
Effects of nitrogen on benthic diatom assemblages in high-elevation central and eastern alpine lakes Open
We explored patterns of benthic-diatom composition across 62 high-elevation Alpine lakes spanning a wide range of nitrogen (N) concentrations due to atmospheric deposition and background variation in lake and watershed characteristics (e.g…
View article: Macrophyte habitat architecture and benthic-pelagic coupling: Photic habitat demand to build up large P storage capacity and bio-surface by underwater vegetation
Macrophyte habitat architecture and benthic-pelagic coupling: Photic habitat demand to build up large P storage capacity and bio-surface by underwater vegetation Open
Macrophytes play an important role in shallow lakes if large standing crop can be achieved. Here we stress the role of submerged macrophytes for benthic-pelagic coupling in the shallow oxbow lake Alte Donau (Austria) during restoration tri…
View article: Living organisms and sedimentary remains from high mountain lakes in the Alps
Living organisms and sedimentary remains from high mountain lakes in the Alps Open
We publish a data set of environmental and biological data collected in 2000 during the ice-free period in high mountain lakes located above the local timberline in the Alps, in Italy, Switzerland and Austria. Environmental data include co…
View article: Living organisms and sedimentary remains from high mountain lakes in the Alps collected in Summer 2000
Living organisms and sedimentary remains from high mountain lakes in the Alps collected in Summer 2000 Open
A data set of environmental and biological data collected in 2000 during the ice-free period in high mountain lakes located above the local timberline in the Alps, in Italy, Switzerland and Austria. Environmental data include coordinates, …
View article: Living organisms and sedimentary remains from high mountain lakes in the Alps collected in Summer 2000
Living organisms and sedimentary remains from high mountain lakes in the Alps collected in Summer 2000 Open
A data set of environmental and biological data collected in 2000 during the ice-free period in high mountain lakes located above the local timberline in the Alps, in Italy, Switzerland and Austria. Environmental data include coordinates, …
View article: Living organisms and sedimentary remains from high mountain lakes in the Alps collected in Summer 2000
Living organisms and sedimentary remains from high mountain lakes in the Alps collected in Summer 2000 Open
A data set of environmental and biological data collected in 2000 during the ice-free period in high mountain lakes located above the local timberline in the Alps, in Italy, Switzerland and Austria. Environmental data include coordinates, …
View article: Contrasting physical and chemical conditions of two rock glacier springs
Contrasting physical and chemical conditions of two rock glacier springs Open
Rock glaciers are increasingly influencing the hydrology and water chemistry of Alpine catchments. During three consecutive summers (2017–2019), we monitored by recording probes and fortnightly/monthly field campaigns the physical and chem…
View article: Contrasting physical and chemical conditions of two springs fed by active rock glaciers
Contrasting physical and chemical conditions of two springs fed by active rock glaciers Open
Rock glaciers are increasingly influencing the hydrology and water chemistry of Alpine catchments, with important implications for drinking water quality and ecosystem health under a changing climate. During summers of 2017 - 2019, we moni…
View article: New Emphasis on Water Transparency as Socio-Ecological Indicator for Urban Water: Bridging Ecosystem Service Supply and Sustainable Ecosystem Health
New Emphasis on Water Transparency as Socio-Ecological Indicator for Urban Water: Bridging Ecosystem Service Supply and Sustainable Ecosystem Health Open
The perspective on water transparency changed since the early days of limnology from being a physical parameter of optical water property to an ecological indicator tracking algal turbidity due to eutrophication or an overall success of su…
View article: Influence of the paraglacial landscape along the river continuum in a deglaciating Alpine catchment
Influence of the paraglacial landscape along the river continuum in a deglaciating Alpine catchment Open
Several deglaciating catchments in the Alps have already surpassed the peak water of maximum discharge associated to glacier shrinkage, and are increasingly dependent on stochastic precipitation, groundwater sources and permafrost influenc…
View article: Characterisation of a rock glacial stream under a multitrophic approach
Characterisation of a rock glacial stream under a multitrophic approach Open
In the Alps, the glacier imprint on stream hydroecology is fading due to progressive retreat, and permafrost is increasing its influence due to the slower response to air warming. Streams fed by rock glaciers have been recently addressed a…
View article: Diatom diversity in headwaters influenced by permafrost thawing: First evidence from the Central Italian Alps
Diatom diversity in headwaters influenced by permafrost thawing: First evidence from the Central Italian Alps Open
Glacier melting and permafrost thawing are the most evident effects of the current climate change that is strongly affecting high mountain areas, including the European Alps. As the thawing rate of subsurface ice is lower than for glacier …
View article: First insights in bacteria diversity in headwaters emerging from Alpine rock glaciers
First insights in bacteria diversity in headwaters emerging from Alpine rock glaciers Open
Global warming exerts particularly pronounced effects on the European Alps. As the thawing rates of mountain permafrost ice is lower than for glacier ice, a shift from glacial/periglacial to paraglacial/periglacial dynamics is predicted fo…
View article: Multi-tracer approach for characterizing rock glacier outflow
Multi-tracer approach for characterizing rock glacier outflow Open
The present study used a multi-tracer approach (water stable isotopes, electrical conductivity (EC), and major, minor, and trace elements) to identify the impact of rock glacier outflow on water quality. Springs and streams/creeks fed by r…
View article: First human impacts and responses of aquatic systems: A review of palaeolimnological records from around the world
First human impacts and responses of aquatic systems: A review of palaeolimnological records from around the world Open
Lake sediments constitute natural archives of past environmental changes. Historically, research has focused mainly on generating regional climate records, but records of human impacts caused by land use and exploitation of freshwater reso…
View article: Effects of long term nutrient and climate variability on subfossil Cladocera in a deep, subalpine lake (Lake Garda, northern Italy)
Effects of long term nutrient and climate variability on subfossil Cladocera in a deep, subalpine lake (Lake Garda, northern Italy) Open
Albeit subfossil Cladocera remains are considered as a reliable proxy for tracking historical lake development, they have been scarcely studied in large subalpine lakes south of the Alps. In this study, subfossil Cladocera remains from Lak…
View article: Sediments of high mountain lakes as records of long-term environmental changes
Sediments of high mountain lakes as records of long-term environmental changes Open
A limnological and paleolimnological survey of high mountain lakes in North- and South-
\nTyrol was conducted within the Interreg Project Permaqua (Permafrost and its effects on
\nwater balance and mountain water ecology) aiming at reconst…