Found 444 datasets matching "gradients".
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Spatial gradients of polychlorinated biphenyls (PCBs) and organochlorine pesticides were examined in the young-of-the-year (YOY) blue¿sh collected in the vicinity of a PCB Superfund Site in New...
Search relevance: 91.15 | Views last month: 4 -
In this study, the U.S. Geological Survey investigated the use of insects as bioindicators of climate change in sagebrush steppe shrublands and grasslands in the Upper Columbia Basin. The research...
Search relevance: 75.76 | Views last month: 0 -
We measured nesting rates and nesting success for a community of cavity-nesting bees across gradients of floral abundance, floral richness, and land-cover in the Prairie Pothole Region. Variables...
Search relevance: 71.57 | Views last month: 1 -
An improved automatic detection of mesoscale fronts, derived from Cayula, J. F., & Cornillon, P. (1992) and Cayula, J. F., & Cornillon, P. (1995), using the new method described by Nieto et al....
Search relevance: 71.07 | Views last month: 2 -
This dataset provides ecological field data that were collected during July 2017 and July 2018 from 43 plots spanning gradients of fire history in the upland tundra of the Yukon-Kuskokwim (Y-K)...
Search relevance: 70.74 | Views last month: 0 -
This data release contains dissolved cyanotoxin concentrations for microcystins (MC), cylindrospermopsins (CYL), anatoxins (ATX), and saxitoxins (STX) assessed using enzyme-linked immunosorbent...
Search relevance: 67.99 | Views last month: 0 -
An improved automatic detection of mesoscale fronts, derived from Cayula, J. F., & Cornillon, P. (1992) and Cayula, J. F., & Cornillon, P. (1995), using the new method described by Nieto et al....
Search relevance: 66.22 | Views last month: 0 -
Estimated sea_floor depth x-gradient, y-gradient and gradient magnitude using the Python scikit-image canny algorithm with sigma = 7.5, x-gradient, y-gradient and gradient magnitude. For the code...
Search relevance: 62.15 | Views last month: 2 -
Estimated sea_floor depth x-gradient, y-gradient and gradient magnitude using the Python scikit-image canny algorithm with sigma = 12.5, x-gradient, y-gradient and gradient magnitude. For the...
Search relevance: 59.60 | Views last month: 1 -
Bioerosion Accretion Replicate (BAR) data covering in situ calcification and bioerosion rates along pH gradients at two volcanically acidified reefs in Papua New Guinea. Methodologies, results,...
Search relevance: 58.41 | Views last month: 0 -
Opportunistic sampling campaign on the icebreaker Le Commandant Charcot during 2022.
Search relevance: 53.93 | Views last month: 0 -
This dataset contains tabular data at three scales (city, tract, and synoptic site) and related vector shapefiles (for watersheds or buffers around synoptic sites) for areas included in the Carbon...
Search relevance: 53.87 | Views last month: 0 -
This data release contains summary metrics describing stream stage, stream water temperature, and short-term climate conditions (daily precipitation and air temperature) for 30 streams spanning...
Search relevance: 51.21 | Views last month: 0 -
These replicate data support the findings described in the publication, "A comparison of four pore water sampling methods for mixed metals and dissolved organic carbon, and implications for...
Search relevance: 50.20 | Views last month: 0 -
Data provided are the volumes of cypress cones, collected in the North American Baldcypress Swamp Network along the Mississippi River Alluvial Valley (southern Illinois to southern Louisiana, and...
Search relevance: 49.60 | Views last month: 0 -
This data release contains summary metrics describing stream stage, stream water temperature, and short-term climate conditions (daily precipitation and air temperature) for 30 streams spanning...
Search relevance: 48.65 | Views last month: 0 -
In December 2005 and January 2006, an interdisciplinary team of 38 scientists ventured to a deep sea site north of the Galapagos Islands to conduct research on the Galapagos Spreading Center,...
Search relevance: 46.88 | Views last month: 0 -
Data includes fine‑scale (1.5 cm minimum resolution) vertical solute concentrations for filtered methylmercury (ng/L), filtered total mercury (ng/L), dissolved organic carbon (mg/L), and dissolved...
Search relevance: 45.99 | Views last month: 0 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 45.99 | Views last month: 0 -
Genetic diversity may promote a plant species’ invasiveness by facilitating the evolution of local adaptation, enhanced competitive abilities, and phenotypic plasticity. We examined the possible...
Search relevance: 45.17 | Views last month: 0
