Concentrations of Metals in Fishes from the Athabasca and Slave Rivers of Northern Canada.

abstract：:We conducted a seasonal study of the uptake of Cd, Se(IV), and Zn by natural phytoplankton assemblages collected from two locations in Hong Kong coastal waters. Marine phytoplankton in Port Shelter was dominated by diatoms and cyanobacteria, while phytoplankton in Tolo Harbour was dominated by dinoflagellates. The nat...

journal_title：Environmental toxicology and chemistry

authors： Wang WX,Dei RC,Hong H

更新日期：2005-01-01 00:00:00

abstract：:Daphnia magna is a widely used model organism for aquatic toxicity testing. In the present study, the authors investigated the hydrolytic enzyme activity of D. magna after exposure to toxicant stress. In vivo enzyme activity was quantified using 15 fluorogenic enzyme probes based on 4-methylumbelliferyl or 7-amino-4-m...

journal_title：Environmental toxicology and chemistry

authors： Ørsted M,Roslev P

更新日期：2015-08-01 00:00:00

abstract：:Tangshan city in Hebei Province is one of the most heavily polluted cities in China, with substantial industrial emissions. The development of effective air pollution emission reduction policies requires knowledge of the sources and health risks of polycyclic aromatic hydrocarbon (PAH)-enriched fine particulate matter...

journal_title：Environmental toxicology and chemistry

authors： Zhang L,Xu H,Fang B,Wang H,Yang Z,Yang W,Hao Y,Wang X,Wang Q,Wang M

更新日期：2020-02-01 00:00:00

abstract：:Acute and chronic bioassays were used to evaluate the lethal and sublethal effects of copper chloride and tributyltin chloride on mahi mahi (Coryphaena hippurus) embryos, a pelagic life stage often found in the surface microlayer where anthropogenic contaminants can accumulate. Acute bioassay testing determined the me...

journal_title：Environmental toxicology and chemistry

authors： Adema-Hannes R,Shenker J

更新日期：2008-10-01 00:00:00

abstract：:The present review describes and discusses key interactions between mercury (Hg) and phytoplankton to highlight the role of phytoplankton in the biogeochemical cycle of Hg and to understand direct or indirect Hg effects on phytoplankton. Phytoplankton are exposed to various Hg species in surface waters. Through Hg upt...

journal_title：Environmental toxicology and chemistry

authors： Le Faucheur S,Campbell PG,Fortin C,Slaveykova VI

更新日期：2014-06-01 00:00:00

abstract：:Northern bobwhite (Colinus virginianus) and scaled quail (Callipepla squamata) from the Rolling Plains ecoregion in Texas and Oklahoma were evaluated for organochlorine pesticides, Pb, and Hg. Of all organochlorine pesticides analyzed, only p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) and p,p'-dichlorodiphenyldich...

journal_title：Environmental toxicology and chemistry

authors： Baxter CE,Pappas S,Abel MT,Kendall RJ

更新日期：2015-07-01 00:00:00

abstract：:Many chiral pesticides are introduced into the environment as racemates, although their pesticidal activity is usually the result of preferential reactivity of only one enantiomer, while the other enantiomer may have toxic effects against nontarget organisms. Methamidophos (O,S-dimethyl phosphoramidothioate), a chiral...

journal_title：Environmental toxicology and chemistry

authors： Emerick GL,Oliveira RV,Belaz KR,Gonçalves M,DeOliveira GH

更新日期：2012-02-01 00:00:00

abstract：:Aluminum (Al) toxicity to aquatic organisms is strongly affected by water chemistry. Toxicity-modifying factors such as pH, dissolved organic carbon (DOC), hardness, and temperature have a large impact on the bioavailability and toxicity of Al to aquatic organisms. The importance of water chemistry on the bioavailabil...

journal_title：Environmental toxicology and chemistry

authors： Santore RC,Ryan AC,Kroglund F,Rodriguez PH,Stubblefield WA,Cardwell AS,Adams WJ,Nordheim E

更新日期：2018-01-01 00:00:00

abstract：:Many chemicals have recently been demonstrated to possess estrogenic activity and may potentially interfere with normal sexual development. In the present study, we quantified the effects of waterborne exposure to 17beta-estradiol on the gonopodial development and sexual activity of male eastern mosquitofish (Gambusia...

journal_title：Environmental toxicology and chemistry

authors： Doyle CJ,Lim RP

更新日期：2002-12-01 00:00:00

abstract：:The relationship between the physiological state of fungi and the response of their functional system to metals is not known, limiting the use of fungal enzymes as tools for assessing metal ecotoxicity in terrestrial ecosystems. The present study attempts to establish how the development phases modulate the secretion ...

journal_title：Environmental toxicology and chemistry

authors： Lebrun JD,Trinsoutrot-Gattin I,Laval K,Mougin C

更新日期：2010-04-01 00:00:00

abstract：:The trophic transfer of monoaromatic hydrocarbons to predatory organisms feeding upon contaminated marine animals is not well reported within the scientific literature. Branched alkylbenzenes (BABs) unresolved by gas chromatography have been reported to be principal toxic components of bioaccumulated hydrocarbons in t...

journal_title：Environmental toxicology and chemistry

authors： Scarlett A,Dissanayake A,Rowland SJ,Galloway TS

更新日期：2009-02-01 00:00:00

abstract：:Freshwater organisms are increasingly exposed to combinations of stressors. However, because it is time-consuming and costly, research on the interaction of stressors, such as compound toxicity and global warming on vertebrates, is scarce. Studies on multigenerational effects of these combined stressors are almost non...

journal_title：Environmental toxicology and chemistry

authors： Philippe C,Hautekiet P,Grégoir AF,Thoré ESJ,Pinceel T,Stoks R,Brendonck L,Boeck G

更新日期：2018-09-01 00:00:00

abstract：:Pesticides are frequently detected in urban streams, with concentrations often exceeding those reported in surface waters within agricultural areas. The authors studied growth, survival, and return rates of coho salmon (Oncorhynchus kisutch) smolts exposed to a pesticide mixture ("cocktail") representative of the pest...

journal_title：Environmental toxicology and chemistry

authors： King KA,Grue CE,Grassley JM,Fisk RJ,Conquest LL

更新日期：2014-07-01 00:00:00

abstract：:Atrazine is the most extensively used herbicide in the United States. Part-per-million concentrations of atrazine have been reported in agricultural runoff. It is detectable in surface waters and precipitation throughout the year, and it has been found in groundwater sources of drinking water. Recent studies indicate ...

journal_title：Environmental toxicology and chemistry

authors： Bringolf RB,Belden JB,Summerfelt RC

更新日期：2004-04-01 00:00:00

abstract：:There is global concern regarding the fate and effects of microplastics in the environment, particularly in aquatic systems. In the present study, ethylene acrylic acid copolymer particles were evaluated in a chronic toxicity study with the aquatic invertebrate Daphnia magna. The study design included a natural partic...

journal_title：Environmental toxicology and chemistry

authors： Coady KK,Burgoon L,Doskey C,Davis JW

更新日期：2020-08-01 00:00:00

abstract：:Soil tests have been widely developed to predict trace metal uptake by plants. The prediction of metal toxicity, however, has rarely been tested. The present study was set up to compare 8 established soil tests for diagnosing phytotoxicity in contaminated soils. Nine soils contaminated with Zn or Cu by metal mining, s...

journal_title：Environmental toxicology and chemistry

authors： Hamels F,Malevé J,Sonnet P,Kleja DB,Smolders E

更新日期：2014-11-01 00:00:00

abstract：:The chemical ultraviolet (UV) filter benzophenone-3 (BP-3) is suspected to be an endocrine disruptor based on results from in vitro and in vivo testing. However, studies including endpoints of endocrine adversity are lacking. The present study investigated the potential endocrine-disrupting effects of BP-3 in zebrafis...

journal_title：Environmental toxicology and chemistry

authors： Kinnberg KL,Petersen GI,Albrektsen M,Minghlani M,Awad SM,Holbech BF,Green JW,Bjerregaard P,Holbech H

更新日期：2015-12-01 00:00:00

abstract：:Soils and sediments in the floodplain of the Tittabawassee River downstream of Midland, Michigan, USA contain elevated concentrations of polychlorinated dibenzofurans (PCDF) and polychlorinated dibenzo-p-dioxins (PCDD). As a long-lived, resident top predator, the great horned owl (Bubo virginianus; GHO) has the potent...

journal_title：Environmental toxicology and chemistry

authors： Coefield SJ,Zwiernik MJ,Fredricks TB,Seston RM,Nadeau MW,Tazelaar DL,Moore JN,Kay DP,Roark SA,Giesy JP

更新日期：2010-10-01 00:00:00

abstract：:The dissolved uptake rate constant (k(u)), dietary assimilation efficiency (AE), and efflux rate constant (k(e)) of cadmium (Cd) and zinc (Zn) were quantified in a freshwater zooplankton Daphnia magna cultured at different ambient calcium (Ca) concentrations. The animals were first acclimated to different ambient Ca l...

journal_title：Environmental toxicology and chemistry

authors： Tan QG,Wang WX

更新日期：2008-07-01 00:00:00

abstract：:Atrazine (2-chloro-4-ethylamino-6-isopropylamino-s-triazine) and its degradation products are important contaminants of world water systems and have effects on aquatic life. These effects are modulated by the degradation of atrazine, which depends, in part, on its reactivity with soil minerals. We have studied the deg...

journal_title：Environmental toxicology and chemistry

authors： Shin JY,Cheney MA

更新日期：2005-06-01 00:00:00

abstract：:The main objective of the present study was to derive ecologically relevant effect threshold concentrations of (dissolved) Pb for selected European Union (EU) freshwater rivers, using the 2008 EU Voluntary Risk Assessment Report as a starting point and more advanced methodologies than those used in the Voluntary Risk ...

journal_title：Environmental toxicology and chemistry

authors： Van Sprang PA,Nys C,Blust RJ,Chowdhury J,Gustafsson JP,Janssen CJ,De Schamphelaere KA

更新日期：2016-05-01 00:00:00

abstract：:Acute and chronic toxicity of eight agricultural adjuvants (Bond, Kinetic, Plyac, R-11, Silwet L-77, Sylgard 309, X-77, and WaterMaxx) to Daphnia pulex were evaluated with 48-h acute lethal concentration estimates (LC50) and a 10-d population growth-rate measurement, the instantaneous rate of increase (r1). Based on L...

journal_title：Environmental toxicology and chemistry

authors： Stark JD,Walthall WK

更新日期：2003-12-01 00:00:00

abstract：:Most toxicity tests investigate constant concentrations of a chemical. Concentrations of many compounds in the environment are dynamic, however, and individuals may be more sensitive to pulses of a chemical initiated at specific points during development. Realistic toxicity tests are important to accurately assess the...

journal_title：Environmental toxicology and chemistry

authors： Earl JE,Whiteman HH

更新日期：2009-06-01 00:00:00

abstract：:Concentrations of (alpha- and gamma-hexachlorocyclohexane (HCH), alpha/gamma-HCH ratios, and enantiomer ratios (ER) of alpha-HCH were measured in lakes in the arctic, subarctic, Great Lakes, Canada, and temperate regions, and temperate and arctic wetlands and streams. The highest concentrations of alpha-HCH were found...

journal_title：Environmental toxicology and chemistry

authors： Law SA,Diamond ML,Helm PA,Jantunen LM,Alaee M

更新日期：2001-12-01 00:00:00

abstract：:During the last four years, significant effort has been devoted to understanding the effects that Hurricanes Katrina and Rita had on contaminant distribution and redistribution in New Orleans, Louisiana, USA, and the surrounding Gulf Coast area. Elevated concentrations were found for inorganic contaminants (including ...

journal_title：Environmental toxicology and chemistry

authors： Abel MT,Cobb GP,Presley SM,Ray GL,Rainwater TR,Austin GP,Cox SB,Anderson TA,Leftwich BD,Kendall RJ,Suedel BC

更新日期：2010-07-01 00:00:00

abstract：:With the aim to refine water analysis in fish bioconcentration studies, automated solid-phase microextraction (SPME) was used as an alternative approach to conventional solvent extraction (liquid-liquid extraction [LLE]) for the extraction of 3 hydrophobic organic chemicals (HOCs; log KOW 5.5-7.8) from flow-through st...

journal_title：Environmental toxicology and chemistry

authors： Böhm L,Düring RA,Bruckert HJ,Schlechtriem C

更新日期：2017-11-01 00:00:00

abstract：:Traditional risk assessment guidelines employ acute or chronic toxicity tests for a maximum of one generation of organisms. These tests are usually performed in the laboratory at a constant standard temperature, although in the field organisms may experience different temperatures, which may be a source of additional ...

journal_title：Environmental toxicology and chemistry

authors： Tassou KT,Schulz R

更新日期：2012-10-01 00:00:00

abstract：:Investigations were conducted to determine acute (48-h) effects of cadmium and zinc presented individually and in combination on Ceriodaphnia dubia, Daphnia magna, Daphnia ambigua, and Daphnia pulex. Toxicity tests were conducted with single metals to determine lethal effects concentrations (lethal concentrations pred...

journal_title：Environmental toxicology and chemistry

authors： Shaw JR,Dempsey TD,Chen CY,Hamilton JW,Folt CL

更新日期：2006-01-01 00:00:00

abstract：:Soil column experiments were conducted to investigate the release of aged organic contaminants (adsorbable organohalogens, [AOX]) and the potential effects of microbial turnover of soil organic matter onto the contaminant release from two different soils of former wastewater infiltration sites. Under reference conditi...

journal_title：Environmental toxicology and chemistry

authors： Reemtsma T,Savric I,Jekel M

更新日期：2003-04-01 00:00:00

abstract：:The risk to adjacent aquatic systems posed by leachates from scrap tires used in engineering applications has not been characterized adequately. Toxicity testing, toxicity identification evaluation (TIE), and groundwater modeling were used to determine the circumstances under which tire shreds could be used as roadbed...

journal_title：Environmental toxicology and chemistry

authors： Sheehan PJ,Warmerdam JM,Ogle S,Humphrey DN,Patenaude SM

更新日期：2006-02-01 00:00:00