Mountain lakes: Eyes on global environmental change

Global and Planetary Change, Journal Year: 2019, Volume and Issue: 178, P. 77 - 95

Published: April 11, 2019

Language: Английский

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Environmental DNA Time Series in Ecology

Trends in Ecology & Evolution, Journal Year: 2018, Volume and Issue: 33(12), P. 945 - 957

Published: Oct. 9, 2018

Language: Английский

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Lake Sedimentary DNA Research on Past Terrestrial and Aquatic Biodiversity: Overview and Recommendations

Quaternary, Journal Year: 2021, Volume and Issue: 4(1), P. 6 - 6

Published: Feb. 13, 2021

The use of lake sedimentary DNA to track the long-term changes in both terrestrial and aquatic biota is a rapidly advancing field paleoecological research. Although largely applied nowadays, knowledge gaps remain this there therefore still research be conducted ensure reliability signal. Building on most recent literature seven original case studies, we synthesize state-of-the-art analytical procedures for effective sampling, extraction, amplification, quantification and/or generation inventories from ancient (sedaDNA) via high-throughput sequencing technologies. We provide recommendations based current best practises.

Language: Английский

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Exploring temperature and precipitation impacts on harmful algal blooms across continental U.S. lakes

Limnology and Oceanography, Journal Year: 2019, Volume and Issue: 65(5), P. 992 - 1009

Published: Nov. 20, 2019

Abstract Climate change is expected to impact the severity of harmful algal blooms in lakes and reservoirs through a number mechanisms related influence warming temperatures changes precipitation patterns. Evidence on prevalence individual lacking, however, with knowledge many restricted studies or small subsets lakes. Here, we leverage over twelve hundred summertime lake observations from across continental U.S. explore evidence for hypothesized risks climate attributable specific mechanisms. Using statistical model selection approach, examine associations between temperature variables indicators total phytoplankton abundance, species dominance, toxicity. We find support hypotheses that summer drive length drives cyanobacterial increased may reduce observed toxicity some cases. nutrient concentrations are also likely be impacted by warming, as robustly associated phosphorus concentrations. mixed, there runoff could but reduced greater flushing due precipitation. While not definitive formal mechanistic links, geographic scale results useful identifying widespread U.S., therefore informing understanding change.

Language: Английский

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Abrupt ecological shifts of lakes during the Anthropocene

Earth-Science Reviews, Journal Year: 2022, Volume and Issue: 227, P. 103981 - 103981

Published: March 1, 2022

Language: Английский

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Disruption of ecological networks in lakes by climate change and nutrient fluctuations

Nature Climate Change, Journal Year: 2023, Volume and Issue: 13(4), P. 389 - 396

Published: March 23, 2023

Climate change interacts with local processes to threaten biodiversity by disrupting the complex network of ecological interactions. While changes in interactions drastically affect ecosystems, how networks respond climate change, particular warming and nutrient supply fluctuations, is largely unknown. Here, using an equation-free modelling approach on monthly plankton community data ten Swiss lakes, we show that number strength fluctuate nonlinearly water temperature phosphorus. lakes system-specific responses, generally reduces interactions, particularly under high phosphate levels. This reorganization shifts trophic control food webs, leading consumers being controlled resources. Small grazers cyanobacteria emerge as sensitive indicators networks. By exposing outcomes a interplay between environmental drivers, our results provide tools for studying advancing understanding impacts entire communities.

Language: Английский

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Eutrophication increases the similarity of cyanobacterial community features in lakes and reservoirs

Water Research, Journal Year: 2023, Volume and Issue: 250, P. 120977 - 120977

Published: Dec. 6, 2023

Language: Английский

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Uncovering the complete biodiversity structure in spatial networks: the example of riverine systems

Oikos, Journal Year: 2020, Volume and Issue: 129(5), P. 607 - 618

Published: Jan. 13, 2020

Uncovering biodiversity as an inherent feature of ecosystems and understanding its effects on ecosystem processes is one the most central goals ecology. Studying organisms’ occurrence patterns in natural has spurred discovery foundational ecological rules, such species–area relationship, general scientific interest. Recent global changes add relevance urgency to diversity organisms, their respective roles processes. While information properties abiotic environmental conditions are now available at unprecedented, highly‐resolved spatial temporal scales, fundamental variable – itself still often studied a local perspective, generally not wide taxonomic breadth, high scale coverage. This limiting capacity impact ecology field science. In this forum article, we propose that complete assessments should be inclusive across functional groups, space, time better understand emergent properties, functioning. We use riverine case example because they among biodiverse worldwide, but also highly threatened, in‐depth these systems critically needed. Furthermore, structure requires multiscale perspective consideration autocorrelation structures commonly ignored biodiversity–ecosystem functioning studies. show how recent methodological advances DNA (eDNA) provide novel opportunities uncover broad link it processes, with potential revolutionize sciences. then outline roadmap for using technique assess manner. Our proposed approach will help get associated scales relevant landscape managers.

Language: Английский

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The NSERC Canadian Lake Pulse Network: A national assessment of lake health providing science for water management in a changing climate

The Science of The Total Environment, Journal Year: 2019, Volume and Issue: 695, P. 133668 - 133668

Published: Aug. 4, 2019

The distribution and quality of water resources vary dramatically across Canada, human impacts such as land-use climate changes are exacerbating uncertainties in supply security. At the national level, Canada has no enforceable standards for safe drinking comprehensive water-monitoring program to provide detailed, timely reporting on state resources. To Canada's first assessment lake health, NSERC Canadian Lake Pulse Network was launched 2016 an academic-government research partnership. LakePulse uses traditional approaches limnological monitoring well state-of-the-art methods fields genomics, emerging contaminants, greenhouse gases, invasive pathogens, paleolimnology, spatial modelling, statistical analysis, remote sensing. A coordinated sampling about 680 lakes together with historical archives a geomatics analysis over 80,000 watersheds used examine extent which being altered now future, how this aquatic ecosystem services societal importance. Herein we review network context, objectives methods.

Language: Английский

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Dead or alive: sediment DNA archives as tools for tracking aquatic evolution and adaptation

Communications Biology, Journal Year: 2020, Volume and Issue: 3(1)

Published: April 7, 2020

DNA can be preserved in marine and freshwater sediments both bulk sediment intact, viable resting stages. Here, we assess the potential for combined use of ancient, environmental, timeseries resurrected long-term dormant organisms, to reconstruct trophic interactions evolutionary adaptation changing environments. These new methods, coupled with independent evidence biotic abiotic forcing factors, provide a holistic view past ecosystems beyond that offered by standard palaeoecology, help us implications ecological molecular change contemporary ecosystem functioning services, improve our ability predict environmental stress.

Language: Английский

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