Environmental Toxicology and Chemistry

Cover image for Vol. 37 Issue 2

Edited By: G.A. Burton, Jr.

Impact Factor: 2.951

ISI Journal Citation Reports © Ranking: 2016: 31/92 (Toxicology); 70/229 (Environmental Sciences)

Online ISSN: 1552-8618

Associated Title(s): Integrated Environmental Assessment and Management

ET&C Cover Gallery

Cover Images 2017

Cover: Oil pollution has a significant lethal and sublethal impact on hermatypic corals, such as <i>Porites divaricate</i>, an essential part of the ocean ecosystem. See Renegar et al., pp 212 - 219. Image from Adobe Stock.
Volume 36, Issue 1
Cover: Increased cannabis use could have a negative effect on the health of freshwater species. See Parolini, et al., pp 472–479. Image from Adobe Stock.
Volume 36, Issue 2
Cover: The risk assessment of pesticide exposures to birds and mammals needs to be improved. See Brooks et al., pp 565-575. Image from Adobe Stock.
Volume 36, Issue 3
Cover: Recent research has measured some of the highest perfl uorooctane sulfonate concentrations to date in American alligators in the southeastern United States. See Bangma et al., pp 917 – 925. Image from Adobe Stock.
Volume 36, Issue 4
Cover: Wildlife from polar areas may be subject to a substantially higher level of POP risk because of long-range distribution patterns of POPs and their persistence in cold climates. See Villa et al., pp 1181 – 1192. Image from Adobe Stock.
Volume 36, Issue 5
Cover: Polycyclic aromatic hydrocarbons are widespread contaminants with adverse affects on ecosystem health, transported to streams and lakes via runoff from streets, parking lots, and rooftops. See Baldwin et al., pp 1622–1635. Image from Adobe Stock.
Volume 36, Issue 6

Cover Images 2016

Cover: Are harmful algal blooms becoming the greatest inland water quality threat to public health and aquatic ecosystems? See Brooks et al., pp 6-13. Image by Heike Kampe.
Volume 35, Issue 1
Cover: Concerns have been raised and researched on environmental impacts on pollinators, biodiversity, and ecosystems. See Special Section pp. 287 - 329. Image by Florin Tirlea
Volume 35, Issue 2
Cover: Trace metal effects are not always as expected, as shown in the northern leopard frog. See Leduc et al., pp 687 – 694. Image by Keith Szafranski.
Volume 35, Issue 3
Cover: Scientific interest in pharmaceuticals and their exposure and effects in the environment has become a growing concern. See this special issue on Pharmaceuticals in the Environment. Image by iStock.com/flubydust.
Volume 35, Issue 4
Cover: Are oil and gas extraction activities in the Permian Basin having toxic effects on the dunes sagebrush lizard? See Weir et al., pp 1276–1283. Image by Christopher J. Salice.
Volume 35, Issue 5
Cover: Both legacy and current use flame retardants have a limited effect on osprey in the Chesapeake Bay, where populations continue to thrive. See Lazarus et al., p 1560. Image by Mark Medcalf.
Volume 35, Issue 6
Cover: A better understanding of microplastic and nanoplastic contamination, their transport and fate, and how they impact the environment is needed. See Special Section pp. 1617–1676. Image from Adobe Stock.
Volume 35, Issue 7
Cover: Livestock treated with veterinary medical products, including the drug ivermectin, expel fecal residues that can cause damage to the dung ecosystem. See Special Section pp. 1914–1977. Image from Adobe Stock.
Volume 35, Issue 8
Cover: Concentrations of Hg and Cd, which can have adverse effects on reproduction and survival, were found in a number of seabirds in northwest Mexico, including the bluefooted booby. See Ceyca et al., pp 2330 – 2338. Image from Adobe Stock.
Volume 35, Issue 9
Cover: Sediments are a key component of aquatic ecosystems and environmental risk assessments. Research efforts continue to advance to develop improved methods as shown in this issue´s special section. See pp. 2405–2465. Image from Adobe Stock.
Volume 35, Issue 10
Cover: Pesticides may affect aquatic fungi that contribute significantly to the decomposition of leaves in streams. See Elskus et al., pp 2834 – 2844. Image from Adobe Stock.
Volume 35, Issue 11
Cover: Large- and small-scale plastic debris is the most common compound in all marine litter, with harmful consequences on aquatic ecosystems. See Greven et al., pp 3093 – 3100. Image from Adobe Stock.
Volume 35, Issue 12

Cover Images 2015

Cover: The impact of different tillage treatments on crop productivity and environmental risk from insecticides was investigated. See de Perre et al., pp. 197 – 207. Image by Josh Banks.
Volume 34, Issue 1
Cover: Black-capped chickadee beak deformities may be related to chemical exposures. See Handel and Van Hemert, pp. 314–327. Image by John Schoen.
Volume 34, Issue 2
Cover: Tadpoles are negatively affected by environmental contamination causing a decrease in populations. See Flynn et al., p. 575, and Wood and Welch, p. 675. Image by Martina Berg.
Volume 34, Issue 3
Cover: The fate and biological effects of chemical mixtures in the environment are receiving increased attention from scientific and regulatory communities. See Special Section p. 721 -832. Image by Amygdala Imagery.
Volume 34, Issue 4
Cover: Increasing use of microplastics and their presence in aquatic compartments worldwide has led to growing concern and a call for quickly developing sound scientific guidance on the ecological risks of microplastics. See Syberg et al., p 945. Image by Tolga Corak.
Volume 34, Issue 5
Cover: Ballast water transported by nonseagoing ships is an important pathway of secondary spread of nonnative species, particularly in the Great Lakes. See Elskus et al., p 1405. Image by Dan Prat.
Volume 34, Issue 6
Cover: Hexagenia spp. may serve as an ideal organism for freshwater sediment toxicity and bioaccumulation studies. Additional studies, collaboration, and information sharing are essential to optimize standardization testing. See Watson-Leung et al., p 1460, and Harwood et al., p 1463. Image by Richard Chong-Kit.
Volume 34, Issue 7
Cover: Agricultural pesticides with known endocrine disrupting chemicals have been detected in the Great Barrier Reef catchment and lagoon, potentially putting fish at risk for altered sexual and reproductive development. See Kroon et al., p 1881. Image by JD Field.
Volume 34, Issue 8
Cover: Alloy et al. (page 2061) examine blue crab sensitivity to photo-induced toxicity after exposure to the Deepwater Horizon oil spill. Image by Colin Moore.
Volume 34, Issue 9
Cover: Correa et al. (pp 2403–2408) research the adverse effects mercury and selenium concentrations have on bearded seals in northern Alaska. Image by Michel de Nijs.
Volume 34, Issue 10
Cover: Although regulations have improved, PCDD/F contaminants remain a concern in pulp and paper mill effluent. See Dahmer et al. pp 2489 – 2502. Image by Acnakelsy.
Volume 34, Issue 11
Cover: Extraction and processing of oil sands may pose a serious risk for surrounding ecosystems, wildlife, and human health. See Martin et al., p 2682,and Rodríguez-Estival et al., p 2884. Image by Daniel Barnes.
Volume 34, Issue 12

Cover Images 2014

 Cover: Anticoagulant rodenticides have been identified as a potential cause of mortality in nontarget wildlife such as the eastern screech-owl. See Rattner et al., pp. 74-81. Image by Tammy Wolfe.
Volume 33, Issue 1
 Cover: A survey of contaminants of emergingconcern found chlorinated phosphate flame retardants and current use pesticides dominating below wastewater treatment plants, with little attenuation downstream until estuarine dilution. See Sengupta et al., pp. 350–358. Image by Lee Pettet.
Volume 33, Issue 2
 Cover: A survey of contaminants of emergingconcern found chlorinated phosphate flame retardants and current use pesticides dominating below wastewater treatment plants, with little attenuation downstream until estuarine dilution. See Sengupta et al., pp. 350–358. Image by Lee Pettet.
Volume 33, Issue 3
 Cover: Oil spills have proved challenging to assess from an ecotoxicity perspective and require considerations of test design, exposure periods, oil composition, and dispersant types. See Bejarano et al., pp. 732–742, Hodson et al., pp. 814–824, and Hodson et al., pp. 825–835. Image by Matthew S. Rambo.
Volume 33, Issue 4
 Cover: The effect of soil properties and their role in controlling the toxicity and bioavailability of metals in the environment is receiving increased interest and evaluation. See Langdon et al., page 1170. Image by K_background Stocker.
Volume 33, Issue 5
 Cover: In Hashizume et al. (p. 1406) common carp (Cyprinus carpio L.) are used as a test species to assess bioaccumulation. Image by Dave Claassen.
Volume 33, Issue 6
A novel model shows the relationship between Humpback whale energy budgets and organochlorine pesticide accumulation. See Cropp et al., p. 1638. Image by Olga Filatova.
Volume 33, Issue 7
The risk of heavy metals in water, sediment, and biota was assessed in the coastal area of Jiangsu Province, China. See Fu et al., p. 1697. For additional environmental challenges in China, see the special section (pp. 1690 - 1753). Image by Tony Yao.
Volume 33, Issue 8
See Morris et al. (pp. 1956–1966) for research on how the bioaccumulation of current-use pesticides are affecting terrestrial food webs and the caribou and wolf population in the Canadian Arctic. Image by Mike Lane.
Volume 33, Issue 9
Cover: Perfluorinated chemical exposure can induce oxidative stress and lead to a series of antioxidant responses and oxidative damage in green mussels. See Liu et al., p. 2323 – 2332. Image by Somsak Khamkula.
Volume 33, Issue 10
Cover: Massive algal blooms caused by the eutrophication of freshwater ecosystems have become a health threat to aquatic organisms. See Kim et al., pp. 2560 – 2565. Image by Todd Crail.
Volume 33, Issue 11
Cover: Banned internationally in 2004, PCBs continue to impact the environment causing a wide range of toxic effects. See Eng et al., pp. 2753-2758. Image by Mike Lane.
Volume 33, Issue 12

Cover Images 2013

 Cover: Both climate change and human adaptation will influence chemical fate, distribution, and effects. Human and ecological risk assessments will need to incorporate multiple stressors and cumulative risks and face shifting reference conditions. See Special Section on Global Climate Change, pp. 12-101. Image by Ink Studios.
Volume 32, Issue 1
 Cover: Mineral leachate from valley fills in the coal-bearing region of West Virginia extirpate aquatic invertebrates. See Special Section (pp. 254-303) for a description of the methods and derivation of a field-based water quality benchmark for dissolved bicarbonate and sulfate salts. Photo by Carl Galie.
Volume 32, Issue 2
 Cover: Immunosuppression and poor reproduction are found in herring gulls exposed to organochlorine contaminants in the Hudson-Raritan Estuary. See Grasman et al. (pp. 548-561). Image by Alan Lagadu.
Volume 32, Issue 3
 Cover: Testing on organisms, such as Daphnia, is key in understanding the impact nanoparticles have on the aquatic environment. See Artal et al. (pp. 908-912) and Zhao et al. (pp. 913-919). Image by Gerald Helbig.
Volume 32, Issue 4
 Cover: The unique lifestyle of coastal grizzly bears, which comprises dramatic shifts between salmon and plant consumption, helps to deplete their exposure to persistent organic pollutants. See Christensen et al. (pp. 995-1005). Image by Daniel Delaney.
Volume 32, Issue 5
 Cover: Increased production and use of zinc oxide (ZnO) nanoparticles in products and applications commonly discharged into aquatic environments suggest heightened exposure to aquatic organisms. See Jarvis et al., pp. 1264–1269. Image by Francisco Rangel, courtesy of FEI Company.
Volume 32, Issue 6
 Cover: Industrial organic contaminants and other pollutants released around China's Dinghushan Biosphere Reserve cause elevated biomagnification in the native kingfisher, reaching levels known to impair bird reproduction and survival. See Mo et al., pp. 1655-1662. Image by Galushko Sergey.
Volume 32, Issue 7
 Cover: Pharmaceuticals are often present in both untreated and treated wastewater, creating potential risks to aquatic species. See Metcalfe pp. 1683-1684, Wang and Gardinali pp. 1752-1758, and Connors et al., pp. 1810-1818. Image by My Good Images.
Volume 32, Issue 8
 Cover: A variety of factors have been implicated in declining populations of Honeybees. A new method is useful for assessing the role of pesticides. See Carvalho et al. (pp. 2117-2124). Image by Florian Andronache.
Volume 32, Issue 9
 Cover: To improve pollution management in China's Taihu Lake region, long-term investigation on the temporal and spatial trends of brominated flame retardants, TBBPA and HBCDs, and their potential ecological risks, is necessary. See Xu et al., pp. 2249-2255. Image by Walkdragon Photography.
Volume 32, Issue 10
 Cover: Nonagricultural plant ecosystems,especially threatened and endangered plant species, may be at risk to nontarget impacts associated with herbicide drift. SeeOlszyk et al. (pp. 2542-2551). Image by Birthe Lunau.
Volume 32, Issue 11
 Cover: Chironomus dilutus larvae are prey to a number of fish and bird species and can be used to detect the potential adverse effects of elevated SE in aquatic ecosystems. See Franz et al., pp. 2836-2848. Image by Douglas Hardesty.
Volume 32, Issue 12

Cover Images 2012

 Cover: The collision of biology and particles that is nanotoxicology. See the article by Klaine et al., pp. 3-14. Cover art by E. Walker Massey, Clemson University.
Volume 31, Issue 1
 Cover: Environmental chemicals leave epigenetic marks on DNA. These marks can affect health outcomes throughout life and even be passed on to future generations. See the article by Head et al., pp. 221-227. Cover art by Eric M. Nelson, ET&C.
Volume 31, Issue 2
 Cover: Ecological reality checks are needed as part of all environmental regulatory and management frameworks, particularly in human-dominated watersheds. See the Focus article by Burton et al., pp. 459-468. Image by Dariusz Paciorek, iStock Photos.
Volume 31, Issue 3
 Cover: The mussel is a widely used experimental model organism in ecotoxicological studies. See articles by Bourgeault et al. (pp. 819-827) and Fiorini et al. (pp 877-884). Image by Ottilie Simpson, iStock Photos.
Volume 31, Issue 4
 Cover: Calcified plates of barnacles remain cemented to a ship’s hull where antifouling paint has started to deteriorate. See articles by Castro et al. (pp. 947–954) and Castro and Fillmann (pp. 955–960) in the Latin America Special Section. Image by Tiburon Studios.
Volume 31, Issue 5
 Cover: A new understanding of the aquatic-terrestrial interface has prompted an increasingly integrated view of cross-boundary contamination. In this issue’s Focus article, Sullivan and Rodewald (pp. 1175–1183) examine how aquatic insects—a source of energy for arthropods, birds, mammals, and reptiles—are especially likely to move contaminants into terrestrial ecosystems. Image by Ray Hennessy.
Volume 31, Issue 6
 Cover: Common use pesticides impact non-target communities. See Weston and Lydy (pp. 1579–1586), Phillips et al. (pp. 1595–1603), and Lao et al. (pp. 1649–1656). Image by Georg Hanf.
Volume 31, Issue 7
 Cover: Tributyltin-contaminated reed-bed sediments pose a threat to terrestrial wildlife via emergent insects. See article by Lilley et al. (p. 1781-1787). Image by Mary B. Stephens.
Volume 31, Issue 8
 Cover: In an effort to restore the Williamson River Delta in Oregon, USA, levees that connected the Upper Klamath and Agency Lakes to the historic wetland were breached in 2007. Kuwabara et al. (pp. 1995-2013) assess the geochemical and biological changes following this event. Image courtesy of the U.S. Bureau of Reclamation.
Volume 31, Issue 9
 Cover: Amphibian larvae are increasingly used as a model for nonpoint-source related toxicity. See Van Meter et al., pp.2306-2310; Rosenbaum et al., pp. 2311-2317; Edge et al., pp. 2375-2383; and Olmstead et al., pp. 2391-2398. Image by Alan Crawford.
Volume 31, Issue 10
 Cover: Stormwater contaminant loadings into waterways are substantially elevated following wildfires. See Stein et al., pp. 2625-2638. Image by Ricardo Azoury.
Volume 31, Issue 11
 Cover: Considering carbon and lipid food sources of polar bears provides a useful approach for assessing riverine food web inputs and spatial and temporal trends of trace elements. See Routti et al. (pp. 2739–2747). Image by Thomas Pickard.
Volume 31, Issue 12

Cover Images 2011

 Cover: Fathead minnow ovary gene regulatory network derived from gene expression responses to endocrine-disrupting chemicals. See the article by Perkins et al. from the Predictive Ecotoxicology Workshop (pp. 22-38).
Volume 30, Issue 1
 Cover: Conformations of eight estradiol derivatives docked into human estrogen receptor alpha, showing the key residues involved in the hydrogen bonding process. See the article by Mu et al. (pp. 330-336).
Volume 30, Issue 2
 Cover: Aerial photograph of northern Disk Island, Prince William Sound (Alaska, USA). The shoreline in the foreground was heavily oiled by the Exxon Valdez oil spill. See the article by Neff et al. (pp. 659-672).
Volume 30, Issue 3
 Cover: Uptake of aqu/C70 fullerene nanoparticles and red polystyrene indicator microspheres by Thamnocephalus platyurus. Spheres are unhatched cysts. See the article by Patra et al. (pp. 828-835).
Volume 30, Issue 4
 Cover: Studies in American kestrels (Falco sparverius) revealed that raptorial birds may be at greater risk to secondary poisoning by anticoagulant rodenticides than previously recognized. See the article by Rattner et al. (pp. 1213-1222). Photo of F. sparverius: Getty Images; cover design: Kinard Boone, USGS Patuxent Wildlife Research Center.
Volume 30, Issue 5
 Cover: Satellite image of the Pearl River Delta within Guangdong Province of southern China. Data set provided by International Scientific Data Service Platform, Computer Network Information Center, Chinese Academy of Sciences. See the article by Zhang et al. (pp. 1272-1277).
Volume 30, Issue 6
 Cover: Loggerhead turtle (Caretta caretta L.), West Palm Beach, Florida, USA. See the article by Ragland et al. (pp. 1549-1556). Image © Paul Osmond (www.deepseaimages.com), used with permission.
Volume 30, Issue 7
 Cover: River otters (Lontra canadensis). See the article by Spencer et al. (pp. 1879-1884). Photo courtesy of Dmitry Azovtsev, http://www.daphoto.info.
Volume 30, Issue 8
 Cover: Northern fulmars (Fulmarus glacialis L.) from an Arctic colony, photographed by Mark Mallory, one of the authors of the article on pp. 2055-2064.
Volume 30, Issue 9
 Cover: American toad (Bufo americanus). See the article by Todd et al. (pp. 2277-2284). Photo by Michael Benard.
Volume 30, Issue 10
 Cover: Blue pyrotechnics in the night sky. See the article by Wu et al., pp. 2449-2455. Image by Dovapi, iStock Photos.
Volume 30, Issue 11
 Monteverde Cloud Forest in Costa Rica. See the article by Shunthirasingham et al., pp. 2709-2717. Photograph by Frank Wania.
Volume 30, Issue 12