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Article ; Online: Behaviour of synthetic musk fragrances in freshwaters: occurrence, relations with environmental parameters, and preliminary risk assessment.

Tasselli, Stefano / Rogora, Michela / Orrù, Arianna / Guzzella, Licia

Environmental science and pollution research international

2023 Volume 30, Issue 50, Page(s) 109643–109658

Abstract: The aims of this study were to investigate the presence, possible sources, and potential ecological risks of synthetic musk fragrances in freshwaters and sediments of the main tributaries of a deep subalpine lake in Northern Italy. The total musk ... ...

Abstract	The aims of this study were to investigate the presence, possible sources, and potential ecological risks of synthetic musk fragrances in freshwaters and sediments of the main tributaries of a deep subalpine lake in Northern Italy. The total musk concentrations ranged from few ng L
MeSH term(s)	Odorants/analysis ; Wastewater ; Fresh Water/analysis ; Rivers ; Perfume ; Water/analysis ; Water Pollutants, Chemical/analysis ; Environmental Monitoring ; Risk Assessment
Chemical Substances	musk (095I377U8F) ; Wastewater ; Perfume ; Water (059QF0KO0R) ; Water Pollutants, Chemical
Language	English
Publishing date	2023-09-30
Publishing country	Germany
Document type	Journal Article
ZDB-ID	1178791-0
ISSN	1614-7499 ; 0944-1344
ISSN (online)	1614-7499
ISSN	0944-1344
DOI	10.1007/s11356-023-30030-9
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Article ; Online: Effects of a beaver dam on the benthic copepod assemblage of a Mediterranean river.

Di Lorenzo, T / Tabilio Di Camillo, A / Mori, E / Viviano, A / Mazza, G / Pontalti, A / Rogora, M / Fiasca, B / Di Cicco, M / Galassi, D M P

Scientific reports

2024 Volume 14, Issue 1, Page(s) 8956

Abstract: As known "ecosystem engineers", beavers influence river hydrology, geomorphology, biochemistry, and biological assemblages. However, there is a lack of research regarding the effects of beaver activities on freshwater meiofauna. In this study, we ... ...

Abstract	As known "ecosystem engineers", beavers influence river hydrology, geomorphology, biochemistry, and biological assemblages. However, there is a lack of research regarding the effects of beaver activities on freshwater meiofauna. In this study, we investigated the taxonomic and functional composition of the benthic copepod assemblage of a segment of the Tiber River (Italy) where a beaver dam, created about 7 weeks before our survey, had formed a semi-lentic habitat upstream and a lotic habitat downstream of the dam. We also analyzed the copepod assemblage before and after a flood event that destroyed the beaver dam, providing a unique opportunity to observe changes in a naturally reversing scenario. Our analyses revealed that, while the taxonomic composition and functional traits of the copepod assemblage remained largely unchanged across the recently formed semi-lentic and lotic habitats, substantial differences were evident between the dammed and undammed states. The dammed state showed lower copepod abundances, biomass, and functionality than the undammed one. These results highlight the role of beaver dams in changing the composition and functionality of meiofaunal assemblages offering insights into the dynamic interactions within aquatic ecosystems.
MeSH term(s)	Animals ; Ecosystem ; Copepoda ; Rodentia ; Rivers ; Biomass
Language	English
Publishing date	2024-04-18
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-024-59456-y
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Article: Decadal trends in water chemistry of Alpine lakes in calcareous catchments driven by climate change

Rogora, M / Marchetto, A / Mosello, R / Paro, L / Somaschini, L / Tartari, G.A

Science of the total environment. 2020 Mar. 15, v. 708

2020

Abstract: High mountain lakes are considered sensitive indicators of the effects of natural and anthropogenic drivers, including atmospheric deposition and climate change. In this study, we assess long-term trends in the chemistry of a group of high altitude lakes ...

Abstract	High mountain lakes are considered sensitive indicators of the effects of natural and anthropogenic drivers, including atmospheric deposition and climate change. In this study, we assess long-term trends in the chemistry of a group of high altitude lakes in the Western Alps, Italy, lying in bedrock with a relevant presence of basic, soluble rocks. An in-depth investigation was performed on two key-sites (Lakes Boden Inferiore and Superiore) for which continuous chemical data are available for a period of 30 years. A group of 10 additional lakes in the same area was also considered; these lakes were sampled at the end of the ice-free period during irregular surveys in the period 1980–2017. Water samples were analysed for the main chemical variables, including pH, electrical conductivity, major ions (Ca2+, Mg2+, Na+, K+, HCO3−, Cl−, SO42−, NO3−) and algal nutrients (phosphorus and nitrogen compounds, reactive silica).A steep increase in conductivity and ion concentrations was detected at the key-sites: conductivity increased from 40–45 to 60–70 μS cm−1 over the period 1984–2017; sulphate concentrations more than doubled over the same period (from 50–60 to 120–180 μeq L−1) and base cations increased from 400–500 to 600–750 μeq L−1. An increase in the solute content was also detected in the survey lakes (average conductivity from 39 ± 20 to 57 ± 23 μS cm−1). The analysis of meteorological data revealed a significant increase of air temperature (0.019 °C y−1 over the period 1950–2017), mainly in spring and summer (0.033 °C y−1), and a decrease of snow cover depth and duration. Meteo-climatic drivers were identified as the responsible for the chemical changes occurred in the lakes. Climate-driven effects on weathering rates were mainly indirect and occurred by affecting the flow paths of water at both surface and subsurface level. Cryosphere modification (reduced snow cover and permafrost thawing) also played a role.
Keywords	air temperature ; algae ; altitude ; atmospheric deposition ; bedrock ; bicarbonates ; calcium ; cations ; chemical bases ; chlorides ; climate change ; electrical conductivity ; hydrochemistry ; lakes ; magnesium ; meteorological data ; nitrates ; nitrogen compounds ; nutrients ; permafrost ; pH ; phosphorus ; potassium ; silica ; snowpack ; sodium ; solutes ; spring ; sulfates ; summer ; surveys ; thawing ; watersheds ; weathering ; Alps region ; Italy
Language	English
Dates of publication	2020-0315
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2019.135180
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Article ; Online: A modelling approach to evaluate the present and future effectiveness of hypolimnetic withdrawal for the restoration of eutrophic Lake Varese (Northern Italy).

Dresti, Claudia / Rogora, Michela / Buzzi, Fabio / Beghi, Andrea / Magni, Daniele / Canziani, Alessandro / Fenocchi, Andrea

Journal of environmental management

2023 Volume 347, Page(s) 119042

Abstract: Hypolimnetic withdrawal has been applied as a restoration measure in lakes subject to eutrophication together with external load reduction, to decrease internal load by removing limiting nutrient phosphorus (P) from anoxic deep waters and contributing to ...

Abstract	Hypolimnetic withdrawal has been applied as a restoration measure in lakes subject to eutrophication together with external load reduction, to decrease internal load by removing limiting nutrient phosphorus (P) from anoxic deep waters and contributing to the unloading of bottom sediments from previously deposited nutrients and organic matter. The aim of this study is to evaluate the effect of hypolimnetic withdrawal on Lake Varese, a 24 m-deep and 14.8 km
MeSH term(s)	Lakes ; Water ; Models, Theoretical ; Eutrophication ; Phosphorus/analysis ; Environmental Monitoring
Chemical Substances	Water (059QF0KO0R) ; Phosphorus (27YLU75U4W)
Language	English
Publishing date	2023-09-27
Publishing country	England
Document type	Journal Article
ZDB-ID	184882-3
ISSN	1095-8630 ; 0301-4797
ISSN (online)	1095-8630
ISSN	0301-4797
DOI	10.1016/j.jenvman.2023.119042
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Article ; Online: Where do the antibiotic resistance genes come from? A modulated analysis of sources and loads of resistances in Lake Maggiore.

Di Cesare, Andrea / Mammola, Stefano / Sabatino, Raffaella / Fontaneto, Diego / Eckert, Ester M / Rogora, Michela / Tonsi, Tiziana / Corno, Gianluca

FEMS microbiology ecology

2024 Volume 100, Issue 4

Abstract: Antibiotic resistance genes (ARGs) are abundant in aquatic ecosystems affected by human activities. Understanding the fate of ARGs across different ecosystems is essential because of the significant role aquatic environments play in the cycle of ... ...

Abstract	Antibiotic resistance genes (ARGs) are abundant in aquatic ecosystems affected by human activities. Understanding the fate of ARGs across different ecosystems is essential because of the significant role aquatic environments play in the cycle of antibiotic resistance. We quantified selected ARGs in Lake Maggiore, its main tributaries, and the effluent of the main wastewater treatment plant (WWTP) discharging directly into the lake. We linked their dynamics to the different anthropogenic impacts in each tributary's watershed. The dynamics of tetA in the lake were influenced by those of the rivers and the WWTP effluent, and by the concentration of N-NH4, related to anthropogenic pollution, while sul2 abundance in the lake was not influenced by any water inflow. The dynamics of the different ARGs varied across the different rivers. Rivers with watersheds characterized by high population density, touristic activities, and secondary industries released more ARGs, while ermB correlated with higher numbers of primary industries. This study suggests a limited contribution of treated wastewater in the spread of ARGs, indicating as prevalent origin other sources of pollution, calling for a reconsideration on what are considered the major sources of ARGs into the environment.
MeSH term(s)	Humans ; Anti-Bacterial Agents/pharmacology ; Anti-Bacterial Agents/analysis ; Genes, Bacterial ; Lakes ; Ecosystem ; Drug Resistance, Microbial/genetics ; Rivers
Chemical Substances	Anti-Bacterial Agents
Language	English
Publishing date	2024-02-23
Publishing country	England
Document type	Journal Article
ZDB-ID	283722-5
ISSN	1574-6941 ; 0168-6496
ISSN (online)	1574-6941
ISSN	0168-6496
DOI	10.1093/femsec/fiae025
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Book ; Online: FOSS4G BASED HIGH FREQUENCY AND INTEROPERABLE LAKE WATER-QUALITY MONITORING SYSTEM

Cannata, M. / Strigaro, D. / Lepori, F. / Capelli, C. / Rogora, M. / Manca, D.

eISSN: 2194-9034

2021

Abstract: Climate, together with human activities, is changing the natural dynamics in lake ecosystems and adding new challenges to the management of water resources. Recent studies on Lake Lugano, in Switzerland, showed for instance that the increased water ... ...

Abstract	Climate, together with human activities, is changing the natural dynamics in lake ecosystems and adding new challenges to the management of water resources. Recent studies on Lake Lugano, in Switzerland, showed for instance that the increased water temperature influence other processes such as lake stratification and mixing dynamics, algal blooms, colonisation by alien species, affecting the lake ecosystem as a whole. In such situation, real-time systems with high frequency measurements, together with the traditional discrete monitoring, can help in understanding dynamics and processes occurring on short time scales. To this aim, an open monitoring system largely composed by open source components is being developed for the high frequency monitoring of Lake Lugano. The system relies on the open source software istSOS either on the server and node sides applying the edge computing paradigm which is more and more adopted in the Internet of Things field. The implementation collects temperature and dissolved oxygen data from sensors positioned at six different depths of the lake and transmits them using the LoRa radio frequency to a data warehouse. At server side, the software architecture adopts the evolving technology based on containers where services can be grouped in a compose and easily deployed on a server. This paper aims to describe the adopted open source technology and demonstrate that it can be successfully used also in environmental monitoring where the accessibility is limited and the weather conditions can be unpredictable.
Subject code	333
Language	English
Publishing date	2021-08-19
Publishing country	de
Document type	Book ; Online
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Article ; Online: Decadal trends in water chemistry of Alpine lakes in calcareous catchments driven by climate change.

Rogora, M / Somaschini, L / Marchetto, A / Mosello, R / Tartari, G A / Paro, L

The Science of the total environment

2019 Volume 708, Page(s) 135180

Abstract	High mountain lakes are considered sensitive indicators of the effects of natural and anthropogenic drivers, including atmospheric deposition and climate change. In this study, we assess long-term trends in the chemistry of a group of high altitude lakes in the Western Alps, Italy, lying in bedrock with a relevant presence of basic, soluble rocks. An in-depth investigation was performed on two key-sites (Lakes Boden Inferiore and Superiore) for which continuous chemical data are available for a period of 30 years. A group of 10 additional lakes in the same area was also considered; these lakes were sampled at the end of the ice-free period during irregular surveys in the period 1980-2017. Water samples were analysed for the main chemical variables, including pH, electrical conductivity, major ions (Ca
Language	English
Publishing date	2019-11-21
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2019.135180
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Article ; Online: Response of atmospheric deposition and surface water chemistry to the COVID-19 lockdown in an alpine area

Rogora, Michela / Steingruber, Sandra / Marchetto, Aldo / Mosello, Rosario / Giacomotti, Paola / Orru’, Arianna / Tartari, Gabriele A. / Tiberti, Rocco

Environ Sci Pollut Res. 2022 Sept., v. 29, no. 41 p.62312-62329

2022

Abstract: The effects of the COVID-19 lockdown on deposition and surface water chemistry were investigated in an area south of the Alps. Long-term data provided by the monitoring networks revealed that the deposition of sulfur and nitrogen compounds in this area ... ...

Abstract	The effects of the COVID-19 lockdown on deposition and surface water chemistry were investigated in an area south of the Alps. Long-term data provided by the monitoring networks revealed that the deposition of sulfur and nitrogen compounds in this area has stabilized since around 2010; in 2020, however, both concentrations and deposition were significantly below the average values of the previous decade for SO₄ and NO₃. Less evident changes were observed for NH₄ and base cation. The estimated decrease of deposition in 2020 with respect to the previous decade was on average − 54% and − 46% for SO₄ and NO₃, respectively. The lower deposition of SO₄ and NO₃ recorded in 2020 was caused by the sharp decrease of SO₂ and particularly of NOₓ air concentrations mainly due to the mobility restrictions consequent to the COVID-19 lockdown. The limited effects on NH₄ deposition can be explained by the fact that NH₃ emission was not affected by the lockdown, being mainly related to agricultural activities. A widespread response to the decreased deposition of S and N compounds was observed in a group of pristine freshwater sites, with NO₃ concentrations in 2020 clearly below the long-term average. The rapid chemical recovery observed at freshwater sites in response to the sharp decrease of deposition put in evidence the high resilience potential of freshwater ecosystems in pristine regions and demonstrated the great potential of emission reduction policy in producing further substantial ameliorations of the water quality at sensitive sites.
Keywords	COVID-19 infection ; air ; atmospheric deposition ; cations ; freshwater ; hydrochemistry ; issues and policy ; nitrogen ; sulfur ; surface water ; water quality
Language	English
Dates of publication	2022-09
Size	p. 62312-62329.
Publishing place	Springer Berlin Heidelberg
Document type	Article ; Online
ZDB-ID	1178791-0
ISSN	1614-7499 ; 0944-1344
ISSN (online)	1614-7499
ISSN	0944-1344
DOI	10.1007/s11356-022-20080-w
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Article ; Online: Response of atmospheric deposition and surface water chemistry to the COVID-19 lockdown in an alpine area.

Rogora, Michela / Steingruber, Sandra / Marchetto, Aldo / Mosello, Rosario / Giacomotti, Paola / Orru', Arianna / Tartari, Gabriele A / Tiberti, Rocco

Environmental science and pollution research international

2022 Volume 29, Issue 41, Page(s) 62312–62329

Abstract	The effects of the COVID-19 lockdown on deposition and surface water chemistry were investigated in an area south of the Alps. Long-term data provided by the monitoring networks revealed that the deposition of sulfur and nitrogen compounds in this area has stabilized since around 2010; in 2020, however, both concentrations and deposition were significantly below the average values of the previous decade for SO
MeSH term(s)	Air Pollutants/analysis ; COVID-19 ; Communicable Disease Control ; Ecosystem ; Environmental Monitoring/methods ; Humans
Chemical Substances	Air Pollutants
Language	English
Publishing date	2022-04-09
Publishing country	Germany
Document type	Journal Article
ZDB-ID	1178791-0
ISSN	1614-7499 ; 0944-1344
ISSN (online)	1614-7499
ISSN	0944-1344
DOI	10.1007/s11356-022-20080-w
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Article ; Online: PET particles raise microbiological concerns for human health while tyre wear microplastic particles potentially affect ecosystem services in waters.

Sathicq, Maria Belen / Sabatino, Raffaella / Di Cesare, Andrea / Eckert, Ester M / Fontaneto, Diego / Rogora, Michela / Corno, Gianluca

Journal of hazardous materials

2022 Volume 429, Page(s) 128397

Abstract: Although abundant and chemically peculiar, tyre wear microplastic particles (TWP) and their impact on the microbial communities in water are largely understudied. We tested in laboratory based semi-continuous cultures the impact of TWP and of ... ...

Abstract	Although abundant and chemically peculiar, tyre wear microplastic particles (TWP) and their impact on the microbial communities in water are largely understudied. We tested in laboratory based semi-continuous cultures the impact of TWP and of polyethylene terephthalate (PET) derived particles (following a gradient of relative abundance) on the pathobiome (the group of potential human pathogenic bacteria) of a freshwater microbial community exposed to contamination by the effluent of a urban wastewater treatment plant, for a period of 28 days. We could define the modulated impact of the two types of microplastic particles: while PET does not favour bacterial growth, it offers a refuge to several potential pathogens of allochthonous origin (from the treated sewage effluent), TWP act as an additional carbon source, promoting the development and the massive growth of a biofilm composed by fast-growing bacterial genera including species potentially harmful and competitive in abating biodiversity in surface waters. Our results demonstrate the different ecological role and impact on freshwater environments of TWP and PET particles, and the need to approach the study of this pollutant not as a whole, but considering the origin and the chemical composition of the different particles.
MeSH term(s)	Ecosystem ; Environmental Monitoring ; Humans ; Microbiota ; Microplastics/toxicity ; Plastics/toxicity ; Polyethylene Terephthalates ; Water Pollutants, Chemical/analysis ; Water Pollutants, Chemical/toxicity
Chemical Substances	Microplastics ; Plastics ; Polyethylene Terephthalates ; Water Pollutants, Chemical
Language	English
Publishing date	2022-01-31
Publishing country	Netherlands
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1491302-1
ISSN	1873-3336 ; 0304-3894
ISSN (online)	1873-3336
ISSN	0304-3894
DOI	10.1016/j.jhazmat.2022.128397
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