Long-term studies for evaluating the impacts of natural and anthropic stressors on limnological features and the ecosystem quality of Lake Iseo DOI Creative Commons
Barbara Leoni,

Morena Spreafico,

M Patelli

et al.

Advances in Oceanography and Limnology, Journal Year: 2019, Volume and Issue: 10(2)

Published: Dec. 19, 2019

We review the state of art limnological studies in Lake Iseo and provide updated data concerning long-term investigations (from 1993 to 2018) carried out on chemical physical parameters (e.g., oxygen, phosphorus, silicon). Changes observed were compared with those reported other Deep South alpine Lakes (DSLs) highlight analogies differences chemical, physical, biological patterns. Until 1960s, DSLs oligotrophic. The increase anthropogenic pressure global warming has led a progressive unrecovered process eutrophication. Moreover, decrease frequency full mixing episodes induced temporary meromixis. Other changes have been identified over last two decades, especially phytoplankton zooplankton communities, new emerging pollutants detected. Given important ecological socioeconomic role Iseo, are paramount importance understand response lake ecosystem climatic stressors. These factors can also act coupled combined synergic effects.

Language: Английский

Review of characterization, factors, impacts, and solutions of Lake eutrophication: lesson for lake Tana, Ethiopia DOI
Hailu Sheferaw Ayele, Minaleshewa Atlabachew

Environmental Science and Pollution Research, Journal Year: 2021, Volume and Issue: 28(12), P. 14233 - 14252

Published: Jan. 30, 2021

Language: Английский

Citations

98
Seasonal and Interannual Trends of Oceanographic Parameters over 40 Years in the Northern Adriatic Sea in Relation to Nutrient Loadings Using the EMODnet Chemistry Data Portal DOI Open Access
Federica Grilli, Stefano Accoroni, Francesco Acri

et al.

Water, Journal Year: 2020, Volume and Issue: 12(8), P. 2280 - 2280

Published: Aug. 13, 2020

Long-term data series (1971–2015) of physical and biogeochemical parameters were analyzed in order to assess trends variability oceanographic conditions the northern Adriatic Sea (NAS), a mid-latitude shallow continental shelf strongly impacted by river discharges, human activities climate changes. Interpolation maps statistical models applied investigate seasonal spatial variability, as well decadal temperature, salinity, chlorophyll-a nutrients. This analysis shows that sea surface temperature increased +0.36% year−1 over four decades. Annual mean flow Po River markedly changed due occurrence periods persistent drought, whereas frequency rates higher than 3000 m3 s−1 decreased between 2006 2015. Moreover, we observed long-term decrease phosphate concentrations water (−1.34% year−1) seawater (in summer −2.56% coupled, however, significant increase nitrate concentration (+3.80% almost all seasons. These changes indicate nutrient NAS have been largely modulated, last forty years, evolution environmental management practices runoff. implies further alteration marine environment must be expected consequence

Language: Английский

Citations

94
Time series and beyond: multifaceted plankton research at a marine Mediterranean LTER site DOI Creative Commons
Adriana Zingone, Domenico D’Alelio, Maria Grazia Mazzocchi

et al.

Nature Conservation, Journal Year: 2019, Volume and Issue: 34, P. 273 - 310

Published: May 3, 2019

Plankton are a pivotal component of the diversity and functioning coastal marine ecosystems. A long time-series observations is best tool to trace their patterns variability over multiple scales, ultimately providing sound foundation for assessing, modelling predicting effects anthropogenic natural environmental changes on pelagic communities. At same time, constitutes formidable asset different kinds research specific questions that emerge from observations, whereby results these complementary studies provide precious interpretative tools augment informative value data collected. In this paper, we review more than 140 have been developed around Mediterranean plankton time series gathered in Gulf Naples at station LTER-MC since 1984. These addressed topics concerning plankton, which included: i) seasonal trends; ii) taxonomic diversity, with focus key or harmful algal species discovery many new taxa; iii) molecular selected species, groups whole planktonic community; iv) life cycles several phyto- zooplankton species; v) interactions among through trophic relationships, parasites viruses. Overall, products demonstrate great besides record fluctuations trends, highlight primary role development scientific knowledge much beyond local scale.

Language: Английский

Citations

63
DNA metabarcoding and morphological analysis - Assessment of zooplankton biodiversity in transitional waters DOI
Anna Schroeder, David Stanković, Alberto Pallavicini

et al.

Marine Environmental Research, Journal Year: 2020, Volume and Issue: 160, P. 104946 - 104946

Published: March 23, 2020

Language: Английский

Citations

53
Evolution of Freshwater Runoff in the Western Adriatic Sea over the Last Century DOI Open Access

Teresa Sani,

Mauro Marini, Alessandra Campanelli

et al.

Environments, Journal Year: 2024, Volume and Issue: 11(1), P. 22 - 22

Published: Jan. 20, 2024

The evaluation of the hydrography and biogeochemistry Adriatic Sea over last century was summarized in this review to point out any changes river runoff provide an overview cause effect these trends on marine ecosystems. Although several rivers flow into Adriatic, most affected area is northern where Po River loads basin half total freshwater input, carrying causing algal blooms hypoxia phenomena. These fresh waters predominantly along entire western side, reaching southernmost part up Mediterranean Sea. Here, whole basin, variations nutrient concentration have been observed through years. Starting from 1960 until end century, increase discharge phytoplankton activity reported, with negative repercussions local fisheries, species richness, recreational activities within basin. However, a recent decrease inflow has coastal belt, which can trigger consequences for food web ecosystem. trends, more broadly, corroborate vulnerability stress importance implementing strategies defense relevant ecosystems its confines.

Language: Английский

Citations

7
European large perialpine lakes under anthropogenic pressures and climate change: present status, research gaps and future challenges DOI
Nico Salmaso, Orlane Anneville, Dietmar Straile

et al.

Hydrobiologia, Journal Year: 2018, Volume and Issue: 824(1), P. 1 - 32

Published: Sept. 20, 2018

Language: Английский

Citations

37
Density-dependent oxylipin production in natural diatom communities: possible implications for plankton dynamics DOI Creative Commons
Ennio Russo, Giuliana d’Ippolito, Angelo Fontana

et al.

The ISME Journal, Journal Year: 2019, Volume and Issue: 14(1), P. 164 - 177

Published: Oct. 14, 2019

Abstract Oxylipins are important signal transduction lipoxygenase-derived products of fatty acids that regulate a variety physiological and pathological processes in plants animals. In marine diatoms, these molecules can be highly bioactive, impacting zooplankton grazers, bacteria other phytoplankton. However, the ultimate cause for oxylipin production diatoms is still poorly understood, from an evolutionary perspective. Here we analysed particulate linear oxygenated (LOFAs, previously named non-volatile oxylipins) natural phytoplankton collected weekly 1 year. We demonstrate first time main LOFA producers assemblages. Interestingly, LOFA-per-cell decreased with increasing diatom density was not due to major changes community composition. An inverse relation confirmed at global scale by analysing lipoxygenase unigenes metagenomes Tara Oceans datasets. A network analysis suggested different LOFAs could contribute modulate co-variations taxa. Overall, offer new insights chemical ecology, possibly explaining evolution synthesis diatoms.

Language: Английский

Citations

30
The Role of Nitrogen and Phosphorus in Eutrophication of the Northern Adriatic Sea: History and Future Scenarios DOI Creative Commons
Mauro Marini, Federica Grilli

Applied Sciences, Journal Year: 2023, Volume and Issue: 13(16), P. 9267 - 9267

Published: Aug. 15, 2023

In the last two decades of 21st century, a gradual decrease in nitrogen and phosphorus has been observed along coastal area Northern Adriatic Sea. This depletion is attributed to reduced river flows. Studies conducted over past four have indicated that N/P ratio open sea unlikely undergo significant change. fact, it tends increase due unique characteristics Sea, which experiences slow water turnover influenced by strong winds. Additionally, Sea receives substantial amount freshwater from rivers, accounting for about one-third total flow into Mediterranean. These rivers carry nutrient loads contribute high productivity abundance fish this sea, making one most productive areas It cessation anthropogenic input, regulated since late 1980s with legislation limiting its use detergents, significantly affected trophic chain. The aim review provide an overview eutrophication trend highlighting importance long-term data series.

Language: Английский

Citations

10
Unraveling the Diversity of Eukaryotic Microplankton in a Large and Deep Perialpine Lake Using a High Throughput Sequencing Approach DOI Creative Commons
Nico Salmaso,

Adriano Boscaini,

Massimo Pindo

et al.

Frontiers in Microbiology, Journal Year: 2020, Volume and Issue: 11

Published: May 7, 2020

The structure of microbial communities, microalgae, heterotrophic protozoa and fungi contributes to characterize food webs productivity and, from an anthropogenic point view, the qualitative characteristics water bodies. Traditionally, in freshwater environments many investigations have been directed study pelagic microalgae ("phytoplankton") periphyton (i.e., photosynthetic mixotrophic protists) through use light microscopy (LM). While number studies on bacterioplankton communities shown a substantial increase after advent high-throughput sequencing (HTS) approaches, composition, structure, spatio-temporal patterns eukaryotes was much less widespread. Moreover, understanding correspondence between relative phytoplankton abundances estimated by HTS LM is still incomplete. Taking into account these limitations, this examined biodiversity seasonality community eukaryotic microplankton epilimnetic layer large deep perialpine lake (Lake Garda) using HTS. analyses were carried out at monthly frequency during 2014 2015. results highlighted existence rich well diversified presence numerous taxa that never identified previous investigations. Furthermore, showed significant relationship different taxonomic ranks. In 2 years investigation, temporal development whole micro-eukaryotic clear non-random comparable distribution pattern, with main groups coherently distributed individual seasons. perspective, obtained highlight importance approaches assessing protist along environmental gradients, including those caused impacts (e.g., eutrophication climate change).

Language: Английский

Citations

26
Responses to local and global stressors in the large southern perialpine lakes: Present status and challenges for research and management DOI
Nico Salmaso,

Fabio Buzzi,

Camilla Capelli

et al.

Journal of Great Lakes Research, Journal Year: 2020, Volume and Issue: 46(4), P. 752 - 766

Published: Feb. 15, 2020

Language: Английский

Citations

24