Abstract:
:Ecotoxicity tests were performed with fish, invertebrates, and algae to investigate the effect of water quality parameters on Mn toxicity. Models were developed to describe the effects of Mn as a function of water quality. Calcium (Ca) has a protective effect on Mn toxicity for both fish and invertebrates, and magnesium (Mg) also provides a protective effect for invertebrates. Protons have a protective effect on Mn toxicity to algae. The models derived are consistent with models of the toxicity of other metals to aquatic organisms in that divalent cations can act as competitors to Mn toxicity in fish and invertebrates, and protons act as competitors to Mn toxicity in algae. The selected models are able to predict Mn toxicity to the test organisms to within a factor of 2 in most cases. Under low-pH conditions invertebrates are the most sensitive taxa, and under high-pH conditions algae are most sensitive. The point at which algae become more sensitive than invertebrates depends on the Ca concentration and occurs at higher pH when Ca concentrations are low, because of the sensitivity of invertebrates under these conditions. Dissolved organic carbon concentrations have very little effect on the toxicity of Mn to aquatic organisms.
journal_name
Environ Toxicol Chemjournal_title
Environmental toxicology and chemistryauthors
Peters A,Lofts S,Merrington G,Brown B,Stubblefield W,Harlow Kdoi
10.1002/etc.643subject
Has Abstractpub_date
2011-11-01 00:00:00pages
2407-15issue
11eissn
0730-7268issn
1552-8618journal_volume
30pub_type
杂志文章abstract::To evaluate the use of morphological abnormalities for standard testing of endocrine-disrupting substances (EDS), we tested the hypothesis that developmental abnormalities are a sensitive indicator of exposure to waterborne estrogenic and antiestrogenic EDS during embryonic, larval, and juvenile stages in the common e...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1897/03-50
更新日期:2004-02-01 00:00:00
abstract::The present study examined how subcellular partitioning of Cd in plants with different strategies to store and detoxify Cd may affect trophic transfer of Cd to the isopod Porcellio dilatatus. The plant species used were Lactuca sativa, a horticultural metal accumulator species; Thlaspi caerulescens, a herbaceous hyper...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1897/08-154.1
更新日期:2008-12-01 00:00:00
abstract::Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) has been widely used as an explosive in munition formulations, resulting in contamination of wildlife habitat on military installations. To estimate health effects for reptilian species, acute, subacute, and subchronic oral toxicity studies were conducted using the Western...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1897/08-419.1
更新日期:2009-05-01 00:00:00
abstract::The present study evaluated if the element profiles in hair and nails of children from the Lake Victoria region in Kenya reflect uptake from food and the environment. To this purpose, the element concentrations in hair and nails were related to element concentrations measured in food items, water, and soil. The highes...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.1863
更新日期:2012-07-01 00:00:00
abstract::The Chemical Aquatic Fate and Effects (CAFE) database is a centralized repository that allows for rapid and unrestricted access to data. Information in CAFE is integrated into a user-friendly tool with modules containing fate and effects data for 32 377 and 4498 chemicals, respectively. Toxicity data are summarized in...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.3289
更新日期:2016-06-01 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
pub_type: 杂志文章,评审
doi:10.1002/etc.2424
更新日期:2014-06-01 00:00:00
abstract::Pulp and paper mill effluents have been linked to effects on fish reproduction for more than 25 years. To date, the causes of these effects and remedial strategies have eluded investigators. Recent work has shown that the degree of reproductive effect caused by a mill effluent is related to the overall organic content...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.526
更新日期:2011-06-01 00:00:00
abstract::Marine waters have been poorly investigated for the occurrence of pharmaceutical contamination. Recent data confirm that pharmaceuticals occur widely in marine and coastal environments; therefore, assessment of potential risk to marine species needs further efforts. The present study represents the first extensive rev...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章,评审
doi:10.1002/etc.3131
更新日期:2016-04-01 00:00:00
abstract::In Nebraska, fish are exposed to herbicides in agricultural runoff. The study objectives were to determine 1) if fathead minnows and northern leopard frogs exposed to atrazine experience alterations in gene expression, and 2) whether these changes are elicited by a simulated herbicide mixture. Following a 7-d exposure...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.4069
更新日期:2018-04-01 00:00:00
abstract::Earthworms were shown to significantly avoid soils spiked with Pb at concentrations lower than or comparable to concentrations that demonstrate significant effects for other endpoints. It was also shown that inclusion of a microorganism-produced volatile compound that attracts earthworms, ethyl valerate, decreased avo...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.3619
更新日期:2017-04-01 00:00:00
abstract::The bald eagle (Haliaeetus leucocephalus) is an extensively researched tertiary predator. Studies have delineated information about its life history and the influences of various stressors on its reproduction. Due to the bald eagle's position at the top of the food web, it is susceptible to biomagnification of xenobio...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章,收录出版
doi:10.1002/etc.3523
更新日期:2016-08-01 00:00:00
abstract::Storm events lead to agricultural and urban runoff, to mobilization of contaminated particulate matter, and to input from combined sewer overflows into rivers. We conducted time-resolved sampling during a storm event at the Ammer River, southwest Germany, which is representative of small river systems in densely popul...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.4910
更新日期:2021-01-01 00:00:00
abstract::Sorption of chemical substances to nanoparticles (NPs) in the aqueous phase strongly influences NP physicochemisty, and investigations of these complex interactions can provide important insights into the environmental fate of NPs. The objective of the present study was to use differences in copper (Cu) bioavailabilit...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.4378
更新日期:2019-05-01 00:00:00
abstract::A full assessment of the impact of oil and chemical spills at sea requires the identification of both the polluting chemicals and the biological effects they cause. Here, a combination of chemical fingerprinting of surface oils, tissue residue analysis, and biological effects measures was used to explore the relations...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.156
更新日期:2010-06-01 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
pub_type: 杂志文章
doi:10.1897/07-369.1
更新日期:2008-10-01 00:00:00
abstract::Potentially toxic levels of 3 naturally occurring chemical stressors (dissolved sulfide, ammonia, and iron) can appear in freshwater sediments, although their roles in shaping ecosystem structure (i.e., plant and animal communities) and function (e.g., biologically mediated elemental cycles) have received little study...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.2801
更新日期:2015-03-01 00:00:00
abstract::Adult Atlantic salmon (Salmo salar) were fed on four diets containing polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and polychlorinated biphenyls (PCBs) for 30 weeks. Lipid-normalized concentrations showed that all congeners were equally partitioned between whole-fish and fillet sam...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1897/03-367
更新日期:2004-07-01 00:00:00
abstract::Bis(2-ethylhexyl) tetrabromophthalate (TBPH), a high production volume flame retardant chemical used as a replacement for banned flame retardants, has been detected in media and human and wildlife tissues globally. We describe bioaccumulation and biological effects from dietary exposure of TBPH to an estuarine fish, A...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.4180
更新日期:2018-09-01 00:00:00
abstract::An urgent need exists to identify suitable tropical marine species for use in the development of sensitive and reliable test methods for routine laboratory ecotoxicological testing. Corals are a group of organisms not represented in routine ecotoxicology due to inherent difficulties in laboratory husbandry, and sea an...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.1993
更新日期:2012-11-01 00:00:00
abstract::Increased ionic concentrations are associated with the impairment of benthic invertebrate assemblages. However, the causal nature of that relationship must be demonstrated so that it can be used to derive a benchmark for conductivity. The available evidence is organized in terms of six characteristics of causation: co...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.2059
更新日期:2013-02-01 00:00:00
abstract::Interest in stream mesocosms has recently revived for higher tier aquatic macrophyte risk assessment of plant protection products mainly because 1) the highest predicted environmental concentrations for the assessment of effects are frequently derived from stream scenarios, and 2) they allow an effect assessment using...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.3636
更新日期:2017-04-01 00:00:00
abstract::The present study assessed the effects of maternal copper or cadmium exposure in a live-bearing fish. After a 10-d exposure to background levels (control) or 0.15 μM copper or cadmium, gravid females were transferred to clean water. Once a female gave birth, the authors analyzed her newborn offspring for lipid peroxid...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.2919
更新日期:2015-06-01 00:00:00
abstract::An assessment of biodegradability was carried out for fragrance substances containing quaternary carbons by using data obtained from Organisation for Economic Co-operation and Development (OECD) 301F screening tests for ready biodegradation and from Biowin and Catalogic prediction models. Despite an expected challengi...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.2523
更新日期:2014-05-01 00:00:00
abstract::Herbicide drift may cause adverse effects on natural and semi-natural plant communities, and it has been debated whether the current ecological risk assessments are adequate to protect non-target terrestrial plant species (NTTP). In this study, nine NTTPs with different lifespans (three annual/ six perennial) belongin...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.4992
更新日期:2021-01-25 00:00:00
abstract::The degradation rate of sodium fluoroacetate (SFA) was assessed in a laboratory microcosm study incorporating 3 New Zealand soil types under different temperature (5 °C, 10 °C, or 20 °C) and soil moisture (35% or 60% water holding capacity) conditions using guideline 307 from the Organisation for Economic Co-operation...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.2536
更新日期:2014-05-01 00:00:00
abstract::Populations of Cascades frogs (Rana cascadae) have declined precipitously in the Mount Lassen area, but remain abundant in the other half of their California range in the Klamath Mountains. To evaluate the role of contaminants in Cascade frog declines, we sampled sediment and frog tadpole tissue at 31 sites where Casc...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.1902
更新日期:2012-08-01 00:00:00
abstract::The fate of esfenvalerate was investigated by sampling and chemical analysis after spraying of an artificial pond (25 g a.i./ha) and in the laboratory with [14C]esfenvalerate by trapping of 14CO2 and fractionation of the sediment. The effects were investigated on pelagic communities in enclosures in a natural lake and...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1897/1551-5028(2001)020<1570:faeoei>2.0.co;2
更新日期:2001-07-01 00:00:00
abstract::In risk assessment of aquatic sediments, much attention is paid to the immobilizing effect of acid volatile sulfide (AVS) on trace metals. The difference of AVS and simultaneously extracted metals (SEM) gives an indication of metal availability. In floodplain sediments, where changing redox conditions occur, AVS may p...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:
更新日期:2003-03-01 00:00:00
abstract::Ecological soil-screening levels (Eco-SSLs) were developed by the United States Environmental Protection Agency (USEPA) for the purposes of setting conservative soil screening values that can be used to eliminate the need for further ecological assessment for specific analytes at a given site. Ecological soil-screenin...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1002/etc.2675
更新日期:2014-10-01 00:00:00
abstract::The mab-3 of Caenorhabditis elegans and doublesex of Drosophila are two sex-determining genes that are found to have only a common DNA binding motif called a doublesex and mab-3 (DM) domain among phyla. The DM domain regulates some aspects of sexual development such as yolk protein synthesis. In the present study, by ...
journal_title:Environmental toxicology and chemistry
pub_type: 杂志文章
doi:10.1897/07-067.1
更新日期:2008-01-01 00:00:00