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131 results for “aquatic ecology”
FIGURE 33 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 33. Ochthebius (Asiobates) cascadeus, new species, holotype habitus and aedeagus (inset: aedeagal apex of Ochthebius (Asiobates) mimicus Brown).
FIGURES 43–44 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURES 43–44. Behavior and morphology of exocrine secretion delivery system of Limnebius. 43) Limnebius piceus Horn, schematic, beetle balanced on edge, tibiae of the left legs resting on the surface of a wet leaf, the right legs performing secretiongrooming, anterior (left) and posterior aspects; dorsal areas groomed by legs: a) protibia and protarsus, b) protibia, c) mesotibia, d) metatibia and metatarsus. 44) Limnebius truncatellus (Thunberg). Head and adjacent area of prothorax, ventral aspect of left side showing external cuticular features and internal end-apparatus and ductules of exocrine glands. For more context and SEMs see Perkins (1997).
Ecological impacts of photosynthetic light harvesting in changing aquatic environments: A systematic literature map
<p>Underwater light is spatially as well as temporally variable and directly affects phytoplankton growth and competition. Here we systematically (following the guidelines of PRISMA-EcoEvo) searched and screened the published literature resulting in 640 individual articles. We mapped the conducted research for the objectives of (1) phytoplankton fundamental responses to light, (2) effects of light on the competition between phytoplankton species and (3) effects of climate change induced changes in the light availability in aquatic ecosystems. Among the fundamental responses of phytoplankton to light, the effects of light intensity (quantity, as measure of total photon or energy flux) were investigated in most identified studies. The effects of the light spectrum (quality) that via species-specific light absorbance result in direct consequences on species competition emerged more recently. Complexity in competition arises due to variability and fluctuations in light which effects are sparsely investigated on community level. Predictions regarding future climate change scenarios included changes in in stratification and mixing, lake and coastal ocean darkening, UV radiation, ice melting as well as light pollution which affect the underwater light-climate. Generalization of consequences is difficult due to a high variability, interactions of consequences as well as a lack in sustained timeseries and holistic approaches. Nevertheless, our systematic literature map, and the identified articles within, provide a comprehensive overview and shall guide prospective research.</p>
Flueckigersee Aquatic Ecology Course (BS Env Sci) Sampling 2024
<p>Dataset produced through weekly field sampling of the Flueckigersee in Freiburg, Germany. The data were collected as part of a bachelors course in Aquatic Ecology as part of the BS degree program in Environemntal Science in the hydrology track. </p>
Data from: Ecological release from aquatic predation is associated with the emergence of marine blenny fishes onto land
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Data from: Phylogenetic signal in diatom ecology: perspectives for aquatic ecosystems biomonitoring
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Data from: How to characterize chemical exposure to predict ecologic effects on aquatic communities?
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Ecological impacts of photosynthetic light harvesting in changing aquatic environments: A systematic literature map
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Data from: Polar lakes may act as ecological islands to aquatic protists
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Data from: Molecular data and ecological niche modeling reveal the Pleistocene history of a semi-aquatic bug (Microvelia douglasi douglasi) in East Asia
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Data from: Calculating the ecological impacts of animal-borne instruments on aquatic organisms
1. Animal-borne instruments provide researchers with valuable data to address important questions on wildlife ecology and conservation. However, these devices have known impacts on animal behaviour and energetics. Tags deployed on migrating animals may reduce reproductive output through increased energy demands or cause phenological mismatches of foraging and nesting events. For marine organisms, the only tagging guidelines that exist are based on lift and thrust impacts on birds – concepts that do not translate well to aquatic animals. Herein, we provide guidelines on assessing drag from animal-borne instruments and discuss the ecological impacts on marine organisms. Of particular concern is the effect of drag from instruments to the welfare of the animals and for the applicability of collected data to wild populations. 2. To help understand how drag from electronic tags affects marine animals in the wild, we used marine turtles as model aquatic organisms and conducted wind tunnel experiments to measure the fluid drag of various marine turtle body types with and without commercially available electronic tags (e.g. satellite, TDR, video cameras). We quantified the drag associated with carrying biotelemetry devices of varying frontal area and design (squared or tear drop shaped) and generated contour plots depicting percentage drag increase as a framework for evaluating tag drag by scientists and wildlife managers. Then, using concepts of fluid dynamics, we derived a universal equation estimating drag impacts from instruments across marine taxa. 3. The drag of the marine turtle casts was measured in wind speeds from 2 to 30 m s−1 (Re 3·0 × 104–1·9 × 106), equivalent to 0·1–1·9 m s−1 in seawater. The drag coefficient (CD) of the marine turtles ranged from 0·11 to 0·22, which is typical of other large, air-breathing, marine vertebrates (0·08–0·26). The CD of tags in reference to the turtle casts was 0·91 ± 0·18 and most tags caused minimal additional drag (<5%) to adult animals, but the same devices increased the drag for juveniles significantly (>100%). The sensitivity of aquatic animals to instrument drag is a dynamic relationship between the fluid flow patterns, or CD, and the frontal area ratio of the animal and tag. 4. In this paper, we have outlined methods for quantifying the drag costs from animal-borne instrumentation considering the instrument retention time (time to release from the animal) and the activity of the instrumented animal. With this valuable tool, researchers can quantify the drag costs from animal-borne instrumentation and choose appropriate tags for their intended study organism and question. Reducing drag will ultimately reduce the impact on the instrumented animals and lead to greater biological realism in the collected data.
FIGURE 38 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 38. Dorsal habitus of representative species of Nearctic Hydraenidae.
FIGURE 32 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 32. Hydraena (Hydraenopsis) lenticula, new species, holotype habitus and aedeagus.
FIGURE 31 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 31. Hydraena (Hydraenopsis) comicala, new species, holotype habitus and aedeagus.
FIGURE 29 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 29. Hydraena (Hydraenopsis) saintvincentensis, new species, holotype habitus and aedeagus.
FIGURE 28 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 28. Hydraena (Hydraenopsis) pantitillata, new species, holotype habitus and aedeagus.
FIGURE 23 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 23. Ochthebius (Asiobates) shepardi, new species, holotype habitus and aedeagus.
FIGURE 21 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 21. Ochthebius (Asiobates) convexus, new species, holotype habitus and aedeagus.
FIGURE 20 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 20. Hydraena (Spanglerina) ingens (Perkins), habitus and aedeagus.
FIGURE 37 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)
FIGURE 37. Dorsal habitus of representative species of Nearctic Hydraenidae.
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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.