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Mercury contamination of wildlife populations has been documented widely in recent years as biomonitoring has become an important tool for assessing environmental contamination. Avian eggs provide an ideal assay material for Hg biomonitoring, particularly when the collection of eggs is simplified by using cavity-nesting species that nest in easily monitored nest boxes. However. studies are needed that address the dynamics of how Hg is distributed within eggs, and how Hg is deposited naturally within clutches laid by a single female and among clutches laid by different females occupying the same contaminated environment. We collected 138 eggs from 13 complete clutches of box-nesting wood ducks (Aix sponsa) during...
This is a report of geochemical data from various media collected on Isle Royale, a large island in northeastern Lake Superior. Isle Royale became a national park in 1940 and was designated as a wilderness area in 1976.USGS sampling began in 1996 as part of a larger project on the Midcontinent Rift in the Lake Superior region. Data are given in nine Microsoft Excel spreadsheets. All the data are newly acquired by the USGS.
Tags: Isle Royale,
Keweenaw County,
Lake Superior,
Michigan,
National Park, All tags...
basalt,
copper,
geochemistry,
geoscientificInformation,
geospatial datasets,
lake sediments,
lichen,
mercury,
mercury,
native copper,
surficial,
unconsolidated deposits, Fewer tags
The following topics are currently covered by the MineralCommodity Summaries: domestic production and uses; U.S. salientstatistics; recycling; import sources; tariff; depletionallowance; government stockpile; events, trends, and issues;world production, reserves, and reserve base; world resources;and substitutes.
Tags: AY = Antarctica,
Abrasives,
Alumina,
Aluminum,
Antimony, All tags...
Arsenic,
Asbestos,
Barite,
Bauxite,
Beryllium,
Bismuth,
Boron,
Bromine,
Cadmium,
Cement,
Cesium,
Chromium,
Clays,
Cobalt,
Columbium,
Consumption,
Copper,
Diamond,
Diatomite,
Exports,
Feldspar,
Fluorspar,
Gallium,
Garnet,
Gemstones,
Germanium,
Gold,
Graphite,
Gypsum,
Hafnium,
Helium,
Ilmenite,
Imports,
Indium,
Industrial,
Iodine,
Iron,
Iron and steel scrap,
Iron and steel slag,
Iron ore,
Kyanite,
LD10 = North America,
LD20 = Central America,
LD30 = South America,
LD40 = Europe,
LD50 = Africa,
LD60 = Australia and New Zealand,
LD70 = Asia,
LD80 = Asia Minor and Middle East,
LD90 = Southeast Asia,
Lead,
Lime,
Lithium,
Magnesium,
Manganese,
Mercury,
Metals,
Mica,
Minerals,
Molybdenum,
Nickel,
Niobium,
Nitrogen,
Peat,
Perlite,
Phosphate rock,
Platinum-group metals,
Potash,
Production,
Pumice,
Quartz,
Rare-earths,
Rhenium,
Rubidium,
Rutile,
Salt,
Sand and gravel,
Scandium,
Selenium,
Silicon,
Silver,
Soda ash,
Sodium sulfate,
Statistics,
Steel,
Stocks,
Stone,
Strontium,
Sulfur,
Talc,
Tantalum,
Tellurium,
Thallium,
Thorium,
Tin,
Titanium,
Trade,
Tungsten,
Vanadium,
Vermiculite,
Yttrium,
Zinc,
Zirconium,
business and economics,
datasets,
geoscientificInformation,
mineral deposit areas,
mineral resources, Fewer tags
Atmospheric deposition of Hg and selected trace elements was reconstructed over the past 150 years using sediment cores collected from nine remote, high-elevation lakes in Rocky Mountain National Park in Colorado and Glacier National Park in Montana. Cores were age dated by 210Pb, and sedimentation rates were determined using the constant rate of supply model. Hg concentrations in most of the cores began to increase around 1900, reaching a peak sometime after 1980. Other trace elements, particularly Pb and Cd, showed similar post-industrial increases in lake sediments, confirming that anthropogenic contaminants are reaching remote areas of the Rocky Mountains via atmospheric transport and deposition. Preindustrial...
Categories: Publication;
Types: Citation;
Tags: ASFA 3: Aquatic Pollution & Environmental Quality; Ecology A,
Plegadis chihi,
Q5 01504 Effects on organisms; D 04803 Pollution effects,
USA, Nevada, Carson L.,
aquatic birds, All tags...
bioaccumulation,
contamination,
freshwater pollution,
mercury,
migratory species,
pesticides,
pesticides (organochlorine),
pollution effects,
reproduction,
selenium,
sexual reproduction, Fewer tags
Categories: Publication;
Types: Citation;
Tags: ASFA 3: Aquatic Pollution & Environmental Quality,
Q5 01503 Characteristics, behavior and fate,
USA, Tennessee, Oak Ridge,
hazard assessment,
mercury, All tags...
pollution monitoring,
sediment pollution,
water pollution, Fewer tags
Categories: Publication;
Types: Citation;
Tags: ANW, USA, New Jersey, Newark Bay,
P 1000 MARINE POLLUTION; Q5 01503 Characteristics, behavior ,
Pollution Abstracts; ASFA 3: Aquatic Pollution & Environment,
USA, New Jersey, Newark Bay,
aquatic organisms, All tags...
biota,
environmental impact,
environmental impact,
estuaries,
hazard assessment,
heavy metals,
industrial wastes,
mercury,
pollution effects,
public health,
sediment pollution,
toxicity, Fewer tags
Categories: Publication;
Types: Citation;
Tags: P 3000 SEWAGE & WASTEWATER TREATMENT; SW 3040 Wastewater tre,
Pollution Abstracts; Water Resources Abstracts,
contamination,
mercury,
methyl mercury, All tags...
methylmercury,
sludge,
trickling filters,
wastewater facilities,
wastewater treatment,
wastewater treatment plants, Fewer tags
Categories: Publication;
Types: Citation;
Tags: Colpoda cucculus,
SW 3030 Effects of pollution; P 6000 TOXICOLOGY AND HEALTH; ,
Water Resources Abstracts; Pollution Abstracts; Microbiology,
acetates,
ciliates, All tags...
ecosystems,
lead,
lethal effects,
mercury,
metals,
organic matter,
pollution effects,
population dynamics,
protozoa,
soil environment,
soil microorganisms,
toxicity,
toxicity testing,
toxicity tests, Fewer tags
Categories: Publication;
Types: Citation;
Tags: ASFA 3: Aquatic Pollution & Environmental Quality; Pollution,
Q5 01503 Characteristics, behavior and fate; P 2000 FRESHWAT,
USA, Nevada, Carson R.,
USA, Nevada, Carson R.,
drainage water, All tags...
environmental effects,
environmental impact,
mercury,
mine tailings,
mine wastes,
mineral industry,
mineral processing,
pollutant identification,
water pollution, Fewer tags
Categories: Publication;
Types: Citation;
Tags: SW 3020 Sources and fate of pollution; P 2000 FRESHWATER POL,
USA, Wisconsin,
Water Resources Abstracts; Pollution Abstracts,
agricultural watersheds,
comparison studies, All tags...
forest watersheds,
geographic information systems,
land use,
mercury,
mercury,
rivers,
water analysis,
water pollution,
water pollution measurements,
watersheds, Fewer tags
Categories: Publication;
Types: Citation;
Tags: Fundulus heteroclitus,
SW 3030 Effects of pollution; X 24162 Chronic exposure,
USA, New Jersey, Linden, Piles Creek,
Water Resources Abstracts; Toxicology Abstracts,
behavior, All tags...
dimethylmercury,
embryonic growth stage,
embryos,
experimental data,
fish behavior,
killifish,
larvae,
mercury,
methylmercury,
population exposure,
predation,
swimming,
swimming behavior, Fewer tags
Categories: Publication;
Types: Citation;
Tags: Canada, Ontario,
Canada, Ontario,
SW 3020 Sources and fate of pollution; Q5 01503 Characterist,
Water Resources Abstracts; ASFA 3: Aquatic Pollution & Envir,
catchment area, All tags...
catchment areas,
catchments,
ecosystems,
fate of pollutants,
forest watersheds,
forests,
freshwater pollution,
lakes,
mercury,
methyl mercury,
methylmercury,
retention,
water yield,
wetlands, Fewer tags
Categories: Publication;
Types: Citation;
Tags: Larus atricilla,
Larus atricilla,
Toxicology Abstracts; Pollution Abstracts; ASFA 3: Aquatic P,
X 24163 Metabolism; P 6000 TOXICOLOGY AND HEALTH; Q5 01504 E,
age, All tags...
bioaccumulation,
birds,
cadmium,
chromium,
heavy metals,
lead,
marine birds,
mercury,
sex differences,
sex differences,
toxicology, Fewer tags
Categories: Publication;
Types: Citation;
Tags: Aves,
Larus argentatus,
Larus argentatus,
North America, Great Lakes,
North America, Great Lakes, All tags...
North America, Great Lakes,
P 2000 FRESHWATER POLLUTION; X 24166 Environmental impact; X,
Pollution Abstracts; Toxicology Abstracts; Ecology Abstracts,
aquatic birds,
bioaccumulation,
bird eggs,
eggs,
heavy metals,
heavy metals,
historical account,
historical account,
indicator species,
mercury,
mercury,
water birds, Fewer tags
Categories: Publication;
Types: Citation;
Tags: ASFA 1: Biological Sciences & Living Resources; ASFA 3: Aqua,
Fish,
Q1 01346 Physiology, biochemistry, biophysics; Q5 01504 Effe,
Stizostedion vitreum,
Stizostedion vitreum, All tags...
USA, Washington, Columbia R.,
USA, Washington, Columbia R.,
USA, Washington, Columbia R.,
USA, Washington, Franklin D. Roosevelt L.,
USA, Washington, Franklin D. Roosevelt L.,
Water Pollution Effects,
bioaccumulation,
biological age,
body size,
chemical speciation,
mercury,
mercury,
metal mining,
mining,
physicochemical properties,
physicochemical properties,
pollution effects,
spatial distribution,
spatial variations,
walleye, Fewer tags
Categories: Publication;
Types: Citation;
Tags: ANW, USA, New York Bight,
Birds,
Herring gulls,
Larus argentatus,
Larus argentatus, All tags...
P 1000 MARINE POLLUTION; X 24163 Metabolism; X 24166 Environ,
Pollution Abstracts; Toxicology Abstracts; Water Resources A,
USA, New York Bight,
aquatic birds,
bioindicators,
bird eggs,
cadmium,
chromium,
eggs,
heavy metals,
indicator species,
lead,
manganese,
mercury,
selenium, Fewer tags
Categories: Publication;
Types: Citation;
Tags: Biological Magnification,
Fish,
Food Chains,
Mercury,
Methylmercury, All tags...
Public Health,
SW 3030 Effects of pollution; X 24120 Food, additives & cont,
Seafood,
Standards,
Water Resources Abstracts; Toxicology Abstracts; ASFA 3: Aqu,
bioaccumulation,
dimethylmercury,
food contamination,
methyl mercury,
water pollution, Fewer tags
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