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Lakes Function in Climate Change: Sentinels, Ecological Responses, and Integrators

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water and Climate Change".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 7389

Special Issue Editors


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Guest Editor
Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza Della Scienza 1, I-20126 Milano, Italy
Interests: ecology of lakes; planktonic food webs; freshwater chemistry; long-term limnological studies; anthropogenic and climate impacts on pelagic communities
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Guest Editor
Institute of Geological Sciences, Polish Academy of Sciences, Twarda 51/55, PL-00818 Warsaw, Poland
Interests: palaeolimnology; palaeoecology; palaeoclimatology; hydrobiology; subfossil Cladocera

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Guest Editor
Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza Della Scienza 1, I-20126 Milano, Italy
Interests: ecology; Pollution; water ecosystems

Special Issue Information

Dear Colleagues,

Climate change is one of the most severe threats to global lake ecosystems, affecting the chemical and physical parameters of lakes as well as their biotic communities, with consequences for ecosystem functioning. Many studies have highlighted that lakes may be valid sentinels for current climate change. Indeed, lakes integrate responses over time and are distributed worldwide, therefore acting as sentinels in many different geographic and climatic regions. The efficacy of lakes as sentinels depends on our understanding of internal lake processes and on our ability to discriminate signal from noise. The availability of long-term datasets and the spread of technology that allows for the collection of high-frequency data in lakes helps to disentangle these processes, thus furthering our comprehension of ecosystem functions in lakes. However, further studies are still needed to understand the threshold above which lake disturbance can trigger effects that may become difficult or impossible to reverse.

In this volume, we aim at collecting contributions investigating the responses of lakes to climatic changes analyzed through single limnological proxies (biotic and abiotic) and/or the combination of multiple parameters, deriving from both modeling studies and in situ investigation in order to highlight the role of lakes as sentinels and integrators of climate change.

Given your great expertise in the field, we are inviting you to contribute to this volume with an original article.

Dr. Barbara Leoni
Prof. Dr. Edyta Zawisza
Dr. Veronica Nava
Guest Editors

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Published Papers (3 papers)

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Research

21 pages, 8710 KiB  
Article
Cladocera Responses to the Climate-Forced Abrupt Environmental Changes Related to the Late Glacial/Holocene Transition
by Marta Rudna, Marta Wojewódka-Przybył, Jacek Forysiak, Krystyna Milecka and Daniel Okupny
Water 2023, 15(2), 348; https://doi.org/10.3390/w15020348 - 14 Jan 2023
Cited by 3 | Viewed by 2274
Abstract
This article aims to trace in detail the periods of rapid changes during the Late Glacial period based on a subfossil Cladocera analysis and a palynological, geochemical, and statistical analysis. At the end of the Older Dryas, the water level in the reservoir [...] Read more.
This article aims to trace in detail the periods of rapid changes during the Late Glacial period based on a subfossil Cladocera analysis and a palynological, geochemical, and statistical analysis. At the end of the Older Dryas, the water level in the reservoir was low, with quite cold waters and inconvenient conditions for developing Cladocera-dominated cold-tolerant species. The beginning of the Alleröd is marked by increasing vegetation density and a rising water temperature, with favorable conditions for developing rare species. At its end, there was a large diversity of species, along with the quite deep and rather mesotrophic nature of the water body. The beginning of the Younger Dryas is a shift back to conditions similar to those noticed during the Older Dryas. The shift to Holocene is manifested by a rapid increase in the number of species and abundance of planktonic forms that appeared before the Holocene onset. The high resolution of the research (1 cm sampling) allowed us to set up more precisely the boundaries between the stadials and interstadials of the Late Glacial and to find some species which were found in the sediment earlier than in previous studies. Full article
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18 pages, 3885 KiB  
Article
Thermal Sensitivity of High Mountain Lakes: The Role of Morphometry and Topography (The Tatra Mts., Poland)
by Mirosław Szumny, Bogdan Gądek, Michał Laska and Michał Ciepły
Water 2022, 14(17), 2704; https://doi.org/10.3390/w14172704 - 30 Aug 2022
Viewed by 1833
Abstract
This study presents the results of a 5-year monitoring program of ice cover, water temperature, and local meteorological conditions carried out in three reference lakes in the periglacial zone of the Polish Tatra Mountains. On the basis of this information, the relationships between [...] Read more.
This study presents the results of a 5-year monitoring program of ice cover, water temperature, and local meteorological conditions carried out in three reference lakes in the periglacial zone of the Polish Tatra Mountains. On the basis of this information, the relationships between the weighted mean water temperature of each of these lakes and the air temperature, wind speed, precipitation, and ice–snow cover in the summer, spring, and autumn seasons, as well as year-round, were described, and the roles of the morphometry of lakes and the topography of their catchments were determined. It was found that the sensitivity of the lakes to climate warming increased with a decrease in their area/depth and shade, and with an increase in altitude and the share of wind-blown snow in the formation of the ice–snow cover. An increase in the mean annual air temperature does not necessarily translate into the warming of lakes, but, paradoxically, may result in their cooling. The current climate may not be best reflected by the most sensitive lakes, but rather by the largest ones located in the subalpine zone. Full article
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14 pages, 2442 KiB  
Article
Density and Diversity Differences of Contemporary and Subfossil Cladocera Assemblages: A Case Study in an Oxbow Lake
by Uyanga Tumurtogoo, Aida Figler, János Korponai, Zsófi Sajtos, István Grigorszky, Csaba Berta and István Gyulai
Water 2022, 14(14), 2149; https://doi.org/10.3390/w14142149 - 6 Jul 2022
Cited by 4 | Viewed by 2323
Abstract
Cladocerans are biological indicators of environmental changes. Their remains provide information on past changes in lake environments. We studied the correspondence between contemporary Cladocera assemblages and their subfossil remains from an oxbow lake. We sought to demonstrate that there were differences among the [...] Read more.
Cladocerans are biological indicators of environmental changes. Their remains provide information on past changes in lake environments. We studied the correspondence between contemporary Cladocera assemblages and their subfossil remains from an oxbow lake. We sought to demonstrate that there were differences among the various sites of an oxbow lake with different utilization based on contemporary and subfossil Cladocera assemblages and physical–chemical variables. The oxbow lake’s two sides are used as fishing sites, where angling is the main activity. The middle site of the lake is under nature protection with high macrovegetation coverage. Contemporary and subfossil Cladocera assemblages were sampled from 21 sampling sites along the oxbow lake. Our research showed that the subfossil Cladocera assemblages had higher species richness and densities (36 taxa) than the contemporary species (29 taxa). We found one species of the Polyphemidae family only in the contemporary assemblage. Among the sites, Cladocera assemblages differed in their species composition and density. The highest densities were found in the second fishing site due to the appearance of the small-sized Bosmids. The relationship between Cladocerans and the physical–chemical variables showed that some variables, such as chlorophyll-a, biological oxygen demand, dissolved oxygen, copper, phosphide, and organic matter content, significantly affected Cladocera composition. We found that the subfossil Cladocera assemblage was significantly more diverse and abundant than the contemporary one, indicating that an integrated sampling may be sufficient to provide better results on the total species composition of the water body. Full article
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