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43 results for “isotopic signature”
Isotopic signatures of penguin food-web components along the western Antarctic Peninsula, 2009-2011
We evaluated regional variation in reproductive isotopic niche among breeding populations of Adélie (Pygoscelis adeliae), chinstrap (P. antarctica), and gentoo (P. papua) penguins west of the Antarctic Peninsula (AP) to test a hypothesis for sea ice-associated food-web correlates of breeding population change. We rely on signatures of naturally occurring carbon (13C/12C, δ13C) and nitrogen (15N/14N, δ15N) stable isotopes (SI) as integrated proxies of penguin trophic foraging and food-web structure. Each season, study nests, where pairs of adults were present, were individually marked and chosen before the onset of egg-laying, and consistently monitored. When study nests were found at the one-egg stage, both adults were captured to obtain blood samples used for molecular sexing and stable isotope analyses, and measurements of structural size and body mass. At the time of capture, each adult penguin was quickly blood sampled (~1 ml) from the brachial vein. After handling, individuals at study nests were further monitored to ensure the pair reached clutch completion, i.e., two eggs. At approximate an average nest age of five and 15 days, offspring from study nests were captured and quickly blood sampled (≤ ~500 μl for day five chicks, and ≤ ~1 ml for day 15 chicks) from the tarsus vein using a sterile needle and heparinized capillary tubes for day five chicks, and a sterile 3 ml syringe and heparinized infusion needle for day 15 chicks, again to obtain blood tissue for SI analyses. Study nests were monitored for chick survival to 25 days. At five weeks into chick-rearing, older crèched chicks of all three species were captured and quickly blood sampled from study rookeries near Anvers Island. Handling of crèched chicks occurred over a one or two day period, which varied seasonally and by species depending on nest initiation dates. Adélie penguin chicks at Avian Island were sampled on the same day Anvers Island Adélie penguin chicks were sampled. Adélie penguin chicks a
Nitrogen and oxygen isotope signatures of nitrogen compounds during anammox in the lab and in a wastewater treatment plant
<p>Raw data and Berkeley Madonna code files for the curve fitting and denitrification-anammox models. This is from, </p> <p> </p> <p>Syotoku Kotajima, Keisuke Koba*, Daisuke Ikeda, Akihiko Terada, Kazuichi Isaka, Kazuya Nishina, Yuuya Kimura, Akiko Makabe, Midori Yano, Hirotsugu Fujitani, Norisuke Ushiki, Satoshi Tsuneda, and Muneoki Yoh</p> <p> </p> <p>Nitrogen and Oxygen Isotope Signatures of Nitrogen Compounds during Anammox in the Laboratory and a Wastewater Treatment Plant</p> <p> </p> <p>Microbes Environ. 35(4), 2020</p> <p> </p> <p>https://www.jstage.jst.go.jp/article/jsme2/35/4/35_ME20031/_article/-char/en</p> <p> </p>
Dataset for "Early differentiation and core formation on the ureilite parent body recorded in the stable isotopic signatures of Fe, Zn and Mg"
<p>no description</p>
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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.