Related Topics: Ecosystems Research

Ecosystems Research Products in the Science Inventory

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Records 26 to 50 of 1134 records from [ORD] about 'Ecosystems' published between 09/19/2012 and 09/19/2017

2017
Changes in stable isotope composition in Lake Michigan trout - a 40 year perspective
(PRESENTATION) [Presented : Jul 21, 2017]
Researchers have frequently sought to use environmental archives of sediment, peat and glacial ice to try and assess historical trends in atmospheric mercury (Hg) deposition to aquatic ecosystems. While this information is valuable in the context of identifying temporal source tr...
Collaborative Potential between National Estuary Programs and Coastal EPA Laboratories
(PRESENTATION) [Presented : Apr 12, 2017]
Estuaries are among the most productive ecosystems in the world, providing unique habitat for freshwater and marine species as well as valuable social and economic benefits. The wealth of ecosystem goods and services from estuaries has led to growth and development of human commu...
Complex conductivity response to silver nanoparticles in partially saturated sand columns
(JOURNAL) [Published : Feb 01, 2017]
The increase in the use of nanoscale materials in consumer products has resulted in a growing concern of their potential hazard to ecosystems and public health from their accidental or intentional introduction to the environment. Key environmental, health, and safety research nee...
Connectivity: what is it and why do we care?
(JOURNAL) [Published : Mar 01, 2017]
Being “connected” is an essential component of human health. Connections between people allow for communication, trade and other critical social interactions. Similarly, connections are important for the ecosystems that make up our environment. While “aquatic co...
Continental-Scale Estimates of Runoff Using Future Climate Storm Events
(PRESENTATION) [Presented : Jun 28, 2017]
Recent runoff events have had serious repercussions to both natural ecosystems and human infrastructure. Understanding how shifts in storm event intensities are expected to change runoff responses are valuable for local, regional, and landscape planning. To address this challenge...
Cross-scale interactions affect tree growth and intrinsic water use efficiency and highlight the importance of spatial context in managing forests under global change
(JOURNAL) [Published : Sep 01, 2017]
1. We investigated the potential of cross-scale interactions to affect the outcome of density reduction in a large-scale silvicultural experiment. 2. We measured tree growth and intrinsic water-use efficiency (iWUE) based on stable carbon isotopes (13C) to investigate the...
Cross-species assay validation using the AOP “deiodinase inhibition leading to impaired posterior chamber inflation”
(PRESENTATION) [Presented : May 11, 2017]
High throughput screening assays able to detect chemical interactions with specific biological targets are increasingly being used to identify chemicals that could be hazardous to humans or wildlife. Most of these assays examine interaction with mammalian proteins. The present wo...
Detecting spatial regimes in ecosystems
(JOURNAL) [Published : Jan 01, 2017]
Research on early warning indicators has generally focused on assessing temporal transitions with limited application of these methods to detecting spatial regimes. Traditional spatial boundary detection procedures that result in ecoregion maps are typically based on ecological ...
Developing an educational curriculum for EnviroAtlas
(PRESENTATION) [Presented : Mar 15, 2017]
EnviroAtlas is a web-based tool developed by the EPA and its partners, which provides interactive tools and resources for users to explore the benefits that people receive from nature, often referred to as ecosystem goods and services.Ecosystem goods and services are important to...
Developing confidence in adverse outcome pathway-based toxicity predictions effects of the fungicide imazalil on fathead minnow reproduction
(PRESENTATION) [Presented : May 11, 2017]
An adverse outcome pathway (AOP) description linking inhibition of aromatase (cytochrome P450 [cyp] 19) to reproductive dysfunction was reviewed for scientific and technical quality and endorsed by the OECD (https://aopwiki.org/wiki/index.php/Aop:25). An intended application of t...
Developing confidence in adverse outcome pathway-based toxicity predictions effects of the fungicide imazalil on fathead minnow reproduction (Poster)
(PRESENTATION) [Presented : May 11, 2017]
An adverse outcome pathway (AOP) description linking inhibition of aromatase (cytochrome P450 [cyp] 19) to reproductive dysfunction was reviewed for scientific and technical quality and endorsed by the OECD. An intended application of the AOP framework is to support the use of me...
Developing stressor-watershed function relationships to refine the national maps of watershed integrity
(PRESENTATION) [Presented : Aug 11, 2017]
Abstract ESA 2017Developing stressor-watershed function relationships to refine the national maps of watershed integrityJohnson, Z.C., S.G. Leibowitz, and R.A. Hill. To be submitted to the Ecological Society of America Annual Meeting, Portland, OR. August 2017.Human-induced ecolo...
Development of threshold values for a seagrass epiphyte indicator of nutrient enrichment in coastal systems.
(PRESENTATION) [Presented : Mar 18, 2017]
Epiphytes on seagrasses have been studied for more than 50 years, and proposed as an indicator of anthropogenic nutrient enrichment for over 30 years. Epiphytes have been correlated with seagrass declines, causally related to nutrient additions in both field and mesocosm experim...
Discovery through maps: Exploring real-world applications of ecosystem services
(PRESENTATION) [Presented : Aug 11, 2017]
Background/Question/Methods U.S. EPA’s EnviroAtlas provides a collection of interactive tools and resources for exploring ecosystem goods and services. The purpose of EnviroAtlas is to provide better access to consistently derived ecosystems and socio-economic data to facil...
Drivers of Non-Native Aquatic Species Invasions across the Continental U.S: A Macroscale Assessment
(PRESENTATION) [Presented : Aug 11, 2017]
Background/Question/Methods Mapping the geographic distribution of non-native aquatic species is a critically important precursor to understanding the anthropogenic and environmental factors that drive freshwater biological invasions. Such efforts are often limited to local scale...
Dynamics of ecosystem services provided by subtropical forests in Southeast China during succession as measured by donor and receiver value
(JOURNAL) [Published : Feb 01, 2017]
The trends in the provision of ecosystem services during restoration and succession of subtropical forests and plantations were quantified, in terms of both receiver and donor values, based on a case study of a 3-step secondary succession series that included a 400-year-old subtr...
EPA’s EnviroAtlas: Identifying Nature’s benefits, deficits, and opportunities for equitable distribution to support public health
(PRESENTATION) [Presented : Apr 05, 2017]
Cities, towns, and Tribes rely on clean air, water and other natural resources for public health and well-being. Yet natural infrastructure and its benefits are not always fully understood or considered in local decisions. EnviroAtlas is a free, online, easy-to-use mapping tool...
Ecdysone receptor agonism leading to lethal molting disruption in arthropods: Review and adverse outcome pathway development
(JOURNAL) [Published : Apr 01, 2017]
Molting is a key biological process in growth, development, reproduction and survival in arthropods. Complex neuroendocrine pathways are involved in the regulation of molting and may potentially become targets of environmental endocrine disrupting compounds (EDCs). For example, s...
Ecological differences influence the thermal sensitivity of swimming performance of two co-occurring mysid shrimp species with climate change implications
(JOURNAL) [Published : Feb 01, 2017]
Temperature strongly affects performance in ectotherms. As ocean warming continues, performance of marine species will be impacted. Many studies have focused on how warming will impact physiology, life history, and behavior, but few studies have investigated how ecological and be...
Ecosystem Services Deserve Better than “Dirty Paper”
(JOURNAL) [Published : Mar 28, 2017]
This letter presents our rationale for promoting pluralism in methods to capture peoples values associated with changes in ecosystems services, some of which do not involve monetization.
Education modules using EnviroAtlas
(PRESENTATION) [Presented : Jul 13, 2017]
Proposal #1: Exploration and Discovery through Maps: Teaching Science with Technology (Elementary)Online maps have the power to bring students closer to their local natural environments. EnviroAtlas is an interactive, web-based tool that was designed by the EPA and its partners ...
Effects of the antimicrobial contaminant triclocarban and co-exposure with the androgen 17â-trenbolone, on reproductive function and ovarian transcriptome of the fathead minnow (Pimephales promelas)
(JOURNAL) [Published : Jan 01, 2017]
Triclocarban (TCC) is a widely used antimicrobial agent that is routinely detected in surface waters. The present study was designed to examine TCC’s efficacy and mode of action as a reproductive toxicant in fish. Reproductively mature Pimephales promelas were continuously expose...
Effects of the fungicide imazalil on the fathead minnow (Pimephales promelas) reproductive axis a case study in 21st century toxicity testing
(PRESENTATION) [Presented : Mar 22, 2017]
Since its introduction in 1983, imazalil has been used primarily as a fungicide on crops post-harvest. Its effectiveness lies in the ability to inhibit the fungal cytochrome P450 (cyp), lanosterol 14 á-demethylase. However, like other azole fungicides, imazalil can inhibit...
Effects of triclosan on bacterial community composition and Vibrio populations in natural seawater microcosms
(JOURNAL) [Published : May 24, 2017]
Pharmaceuticals and personal care products, including antimicrobials, can be found at trace levels in treated wastewater effluent. Impacts of chemical contaminants on coastal aquatic microbial community structure and pathogen abundance are unknown despite the potential for select...
Emerging Contaminants.
(BOOK CHAPTER) [Published : Sep 12, 2017]
Recent temporal trends of contaminants from Narragansett Bay show the appearance of CECs resulting from the use of personal care products, pharmaceuticals and industrial products over time. In contrast, legacy contaminants such as PCBs and toxic heavy metals generally show susta...