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73 results for “shallow lake”
FIGURES 24–32 in Additions to chrysophycean stomatocyst flora from South Urals shallow lake including descriptions of three new morphotypes
FIGURES 24–32. Chrysophycean stomatocysts observed in this study (SEM). Fig. 24: Stomatocyst 27, Van de Vijver & Beyens emend. Pang & Wang. Fig. 25: Stomatocyst 298, Gilbert & Smol in Gilbert et al. Fig. 26: Stomatocyst 11, Vorobyova et al. Fig. 27: Stomatocyst 300, Gilbert & Smol in Gilbert et al. Fig. 28: Stomatocyst 133, Duff & Smol in Duff et al. emend. Wilkinson & Smol in Wilkinson et al., forma С. Fig. 29: Stomatocyst 133, Duff & Smol in Duff et al. emend. Wilkinson & Smol in Wilkinson et al., forma А. Figs. 30–32: Stomatocyst 73, Hansen. Scale bars = 2 μm.
FIGURES 12–23 in Additions to chrysophycean stomatocyst flora from South Urals shallow lake including descriptions of three new morphotypes
FIGURES 12–23. Chrysophycean stomatocysts observed in this study (SEM). Fig. 12: Stomatocyst 183, Brown & Smol in Brown et al. Fig. 13: Stomatocyst 118, Zeeb et al. Fig. 14: Stomatocyst 47, Hansen. Fig. 15: Stomatocyst 313, Brown & Smol in Brown et al. Figs. 16, 17: Stomatocyst cf. 107, Pang & Wang. Fig. 18: Stomatocyst 260, Zeeb et al. emend. Gilbert et al., forma B. Figs. 19, 20: Stomatocyst 260, Zeeb et al. emend. Gilbert et al., forma A. Fig. 21: Stomatocyst 169, Zeeb & Smol. Figs. 22, 23: Stomatocyst 67, Pang & Wang, forma A. Scale bars = 2 μm.
FIGURES 2–11 in Additions to chrysophycean stomatocyst flora from South Urals shallow lake including descriptions of three new morphotypes
FIGURES 2–11. New stomatocysts from the Lake Zhurmankol (SEM). Figs. 2–5: Stomatocyst 3, Ignatenko, Yatsenko-Stepanova & Kapustin. Fig. 6: Stomatocyst 4, Ignatenko, Yatsenko-Stepanova & Kapustin. Figs. 7–10: Stomatocyst 5, Ignatenko, Yatsenko-Stepanova & Kapustin. Fig. 11: Close-up view of the scale of P. bandaiensis. Scale bars: 2–10—2 μm, 11—0.25 μm
FIGURE 1 in Additions to chrysophycean stomatocyst flora from South Urals shallow lake including descriptions of three new morphotypes
FIGURE 1. Map of the chrysophycean stomatocyst studies in Russia: 1—Murmansk Region, 2—Leningrad Region, 3—Vologda Region, 4—Yaroslavl Region, 5—Komi Republic, 6—Chelyabinsk Region, 7—Orenburg Region, 7a—Lake Zhurmankol, "Orenburgskiy" State Nature Reserve (this study), 8—Omsk Region, 9—Altai Republic, 10—Krasnoyarsk Region, 11—Irkutsk Region, 12—Republic of Buryatia, 13—Republic of Sakha (Yakutia).
Dataset and codes used in the manuscript entitled "A rainfall-tracking travel time distribution model to quantify mixing and storage release preference in a large shallow lake by two-year stable isotopic data"
<p>This contains the codes and dataset for the manuscript entitled "A rainfall-tracking travel time distribution model to quantify mixing and storage release preference in a large shallow lake by two-year stable isotopic data". Detailed information about the dataset is described in the Readme.txt file.</p>
Data from: Warming and eutrophication interactively drive changes in the methane-oxidizing community of shallow lakes
<p>Freshwater ecosystems are the largest natural source of the greenhouse gas methane (CH<sub>4</sub>), with shallow lakes a particular hot spot. Eutrophication and warming generally increase lake CH<sub>4</sub> emissions but their impacts on the sole biological methane sink - methane oxidation - and methane-oxidizer community dynamics are poorly understood. We used the world's longest-running freshwater climate-change mesocosm experiment to determine how methane-oxidizing bacterial (MOB) abundance and composition, and methane oxidation potential in the sediment respond to eutrophication, short-term nitrogen addition and warming. After nitrogen addition, MOB abundance and methane oxidation potential increased, while warming increased MOB abundance without altering methane oxidation potential. MOB community composition was driven by both temperature and nutrient availability. Eutrophication increased relative abundance of type I MOB <i>Methyloparacoccus</i>. Warming favoured type II MOB <i>Methylocystis</i> over type I MOB<i> Methylomonadaceae</i>, shifting the MOB community from type I dominance to type I and II co-dominance, thereby altering MOB community traits involved in growth and stress-responses. This shift to slower-growing MOB may explain why higher MOB abundance in warmed mesocosms did not coincide with higher methane oxidation potential. Overall, we show that eutrophication and warming differentially change the MOB community, resulting in an altered ability to mitigate CH<sub>4</sub> emissions from shallow lakes.</p>
Enhancing ecological integrity while preserving ecosystem services: constructing soft-sediment islands in a shallow lake
<p>1. Ecosystems are increasingly managed to provide multiple benefits to humans, which often degrades their ecological integrity. This strongly applies to aquatic ecosystems, in which engineering can enhance flood protection, drinking water supply, fisheries and recreation. Although these activities typically increase ecosystem functionality to humans, they often impair key aspects of biodiversity and natural functioning.</p> <p>2. Classical restoration of such degrading freshwater ecosystems can lead to societal opposition, if returning to a former ecosystem state affects previously acquired ecosystem services. Innovative nature-based solutions are therefore needed that enhance natural values in ecosystems, without affecting existing services.</p> <p>3. We present a large-scale project aiming to increase the ecological integrity of a human-modified freshwater lake, while maintaining its services to humans. The freshwater lake Markermeer in the Netherlands was formed by closing off an estuary for flood protection. The ecological integrity of this lake diminished over time, likely because a declining primary productivity impaired biodiversity at higher trophic levels. This decline is associated with a lack of gradual land-water transitions, strong resuspension of fine sediments, a low nutrient availability and lack of dynamics typically to be expected in a natural temperate freshwater lake. Restoring the lake to its former marine state would conflict with current ecosystem services.</p> <p>4. A nature-based solution was initiated in 2016, consisting of constructing a five-island archipelago from the lake's own soft-sediments called the "Marker Wadden". The project aims to increase the lake's primary production by creating gradual land-water transitions, more heterogeneity in water depths, and decreasing turbidity by creating shelter and deep sinks reducing fine-sediment resuspension by wind – thus introducing currently missing elements that are typical for natural lakes. We present the underlying ecological framework and first scientific results of this innovative on-going project.</p> <p>5. Within four years, the Marker Wadden project shows how forward-looking sustainable development of lake ecosystems using a rewilding approach can enhance natural processes and attract birds and fish, without conflicting with existing ecosystem services. This inspires new directions for halting and reversing the degradation of other vital ecosystems worldwide.</p>
Wind-driven hydrodynamic characteristics of Lake Taihu, a large shallow lake in China
<p>Measured hydrological data of Lake Taihu in 2017.</p>
Data from: Evolution and origin of sympatric shallow-water morphotypes of Lake Trout, Salvelinus namaycush, in Canada's Great Bear Lake
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Data from: Environmental filtering and competitive exclusion drive biodiversity-invasibility relationships in shallow lake plant communities
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Enhancing ecological integrity while preserving ecosystem services: constructing soft-sediment islands in a shallow lake
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Data from: On the benefits of being redundant: low compositional fidelity of diatom death assemblages does not hamper the preservation of environmental gradients in shallow lakes
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Data from: Extreme diel dissolved oxygen and carbon cycles in shallow vegetated lakes
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Data from: Warming and eutrophication interactively drive changes in the methane-oxidizing community of shallow lakes
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Data from: The legacy of large regime shifts in shallow lakes
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Thermal mixing regimes in ponds and shallow lakes
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Regime shifts in a shallow lake: Consequences for taxonomic and functional diversity, and ecosystem multifunctionality
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Multitrophic richness enhances ecosystem multifunctionality of tropical shallow lakes
<p class="MsoBodyText">1. Biodiversity provides multiple functions and services to ecosystems. However, the role of biodiversity in sustaining multiple functions simultaneously (multifunctionality) is still poorly understood in natural communities, especially in hyperdiverse tropical freshwater ecosystems. Studies have focused on the effect of single trophic groups on ecosystem function and on individual ecosystem functions.</p> <p class="MsoBodyText">2. Using a 16-year database from tropical shallow lakes, we combined species richness of nine trophic groups into a unique measurement of multitrophic richness. We then investigated the influence of the richness within separate trophic groups and in a multitrophic context on ecosystem multifunctionality. We also analyzed how the interactions among multiple trophic groups affect multifunctionality.</p> <p class="MsoBodyText">3. The multitrophic richness had a stronger positive effect on multifunctionality than the richness of single trophic groups. The removal of each trophic groups decreased the effect of the multitrophic richness on multifunctionality. The larger predatory vertebrates and primary producers had stronger positive effects on multifunctionality, but the richness of basal trophic groups fueled the large size predators, thus indirectly contributing to increase multifunctionality.</p> <p class="MsoBodyText">4. Our study has important implications for conservation, such as the need for preserving multiple trophic groups to maintain multifunctional integrity in natural freshwater ecosystems. Moreover, trophic simplification (loss of trophic groups) of the ecosystems should strongly impair their functioning.</p>
Supplementary material 1 from: Ács É, Bíró T, Boros E, Dobosy P, Duleba M, Földi A, Kiss KT, Levkov Z, Orgoványi P, Szén OP, Trábert Z, Vadkerti E, Grigorszky I (2023) Halamphora taxa in Hungarian soda pans and shallow soda lakes detected via metabarcoding and microscopic analyses. Metabarcoding and Metagenomics 7: e111679. https://doi.org/10.3897/mbmg.7.111679
Relative abundances of Halamphora species based on microscopy and metabarcodin
Supplementary material 3 from: Ács É, Bíró T, Boros E, Dobosy P, Duleba M, Földi A, Kiss KT, Levkov Z, Orgoványi P, Szén OP, Trábert Z, Vadkerti E, Grigorszky I (2023) Halamphora taxa in Hungarian soda pans and shallow soda lakes detected via metabarcoding and microscopic analyses. Metabarcoding and Metagenomics 7: e111679. https://doi.org/10.3897/mbmg.7.111679
Supplementary Alignment 1
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.