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Environmental Management 

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Assessment of Agriculture Pressures Impact on the Joumine River Water Quality Using the PEGASE Model
21. September 2019
Abstract The protection of the aquatic environment while managing the risk of water scarcity in the Mediterranean region is challenging. Ensuring future sustainability of water resources needs improved monitoring networks and early warning system of future trends of water quality. A specific concern is given to nonpoint source pollution from agriculture, which is often the main source of water quality degradation in rivers. In this work, we focused on the Joumine river basin, a rural-catchment situated north Tunisia dominated by agricultural activities and exposed to...
A Spatial Analysis of Possible Environmental Exposures in Recreational Areas Impacted by Hurricane Harvey Flooding, Harris County, Texas
13. September 2019
Abstract Hurricane Harvey made landfall on the Texas Gulf Coast in August 2017 causing catastrophic flooding. Harris County is highly vulnerable to flooding, which is controlled in part by a system of bayous that include parks and trails. The petrochemical industry, as well as thousands of documented sources of environmental pollution make recreational areas susceptible to environmental contamination during flood events. Recreational areas and toxic exposure sources were geocoded by subwatershed boundaries and overlaid with the area of Hurricane Harvey inundation. A total...
Exploring the Multiple Meanings of Adaptive Management: A Case Study of the Lachlan Catchment in the Murray–Darling Basin
11. September 2019
Abstract Managing rivers and sharing their benefits is largely dependent on stakeholder values and knowledge, expressed through policy, governance and institutions. Adaptive management is essentially a social learning process, which can provide a tool to navigate the ‘wickedness’ of contemporary social-ecological challenges. This research applied an interpretive, qualitative approach to examine government intentions for adaptive management, as expressed in water policy documents, and practitioner experiences of learning through adaptive management in a case study of...
Effects of Legal Regulation on Indoor Air Quality in Facilities for Sensitive Populations – A Field Study in Seoul, Korea
01. September 2019
Abstract Facilities for sensitive populations have increased in Korea; and its indoor air quality (IAQ) was strictly regulated by the Korean government compared to other facilities. However, merely public facilities on certain level of total floor area were lawfully regulated. This study aims to characterize the indoor environment at facilities for sensitive populations in Korea and investigate the effects of legal regulation on IAQ throughout the duration of 1 year. Sixty facilities for sensitive populations were investigated. Particulate matter (PM10), nitrogen...
Using Spatially Targeted Conservation to Evaluate Nitrogen Reduction and Economic Opportunities for Best Management Practice Placement in Agricultural Landscapes
01. September 2019
Abstract The US Cornbelt leads North American production of intensively managed, row-crop corn and soybeans. While highly productive, agricultural management in the region is often linked with nonpoint source nutrient pollution that negatively impacts water quality. Presently, conservation programs designed to install best management practices (BMPs) to mitigate agricultural nonpoint source pollution have not been targeted to those areas of the landscape that contribute disproportionately to surface water quality concerns. We used an innovative spatially targeted...
A Framework for Climate Change-Related Research to Inform Environmental Protection
01. September 2019
Abstract A critical charge for science to inform environmental protection is to characterize the risks associated with climate change, to support development of appropriate responses. The nature of climate change, however, presents significant challenges that must be overcome to do so, including the need for integration and synthesis across the many disciplines that contain knowledge relevant for achieving environmental protection goals. This paper describes an interdisciplinary research framework organized around three “Science Challenges” that directly respond to...
Assessment of Potential Heavy Metal Contamination in the Peri-urban Agricultural Soils of 31 Provincial Capital Cities in China
01. September 2019
Abstract To obtain a general understanding of heavy metal contamination in peri-urban agricultural soils in China, this study investigates the concentrations of eight heavy metals, i.e., Cd, Pb, Zn, As, Cu, Cr, Hg, and Ni, in the peri-urban agricultural soils of 31 provincial capital cities in China. The data were obtained via exhaustive literature searches in both the Web of Science and China National Knowledge Infrastructure (CNKI) as well as from statistical yearbooks published in China. To evaluate the pollution status of each city and identify a variety of...
Accounting for Connectivity Uncertainties in Predicting Roadkills: a Comparative Approach between Path Selection Functions and Habitat Suitability Models
01. September 2019
Abstract Functional connectivity modeling is increasingly used to predict the best spatial location for over- or underpasses, to mitigate road barrier effects and wildlife roadkills. This tool requires estimation of resistance surfaces, ideally modeled with movement data, which are costly to obtain. An alternative is to use occurrence data within species distribution models to infer movement resistance, although this remains a controversial issue. This study aimed both to compare the performance of resistance surfaces derived from path versus occurrence data in...
Fine Sediment Removal Influences Biogeochemical Processes in a Gravel-bottomed Stream
01. September 2019
Abstract The transport and processing of nutrients and organic matter in streams are important functions that influence the condition of watersheds and downstream ecosystems. In this study, we investigated the effects of streambed sediment removal on biogeochemical cycling in Fawn River, a gravel-bottomed river in Indiana, U.S.A. We measured stream metabolism as well as nitrogen (N) and phosphorus (P) retention in both restored and unrestored reaches of Fawn River to examine how sediment removal affected multiple biogeochemical functions at the reach scale. We also...
Household Air Pollution in a Changing Tibet: A Mixed Methods Ethnography and Indoor Air Quality Measurements
01. September 2019
Abstract Household air pollution (HAP) is considered to be one of the largest environmental health risks in the world, being responsible each year for ~4.3 million deaths globally and 420,000 in China. Tibetan regions of China are known for pristine ambient air but several recent studies have concluded that the indoor air quality in Tibetan homes is compromised. Tibet is changing rapidly and this study sought to holistically understand HAP in relation to these changes. We took 28 measurements of fine particulate matter (PM2.5) and black carbon (BC) concentrations in a...
Impacts of Channel Morphodynamics on Fish Habitat Utilization
01. September 2019
Abstract It is reasonable to expect that hydro-morphodynamic processes in fluvial systems can affect fish habitat availability, but the impacts of morphological changes in fluvial systems on fish habitat are not well studied. Herein we investigate the impact of morphological development of a cohesive meandering stream on the quality of fish habitat available for juvenile yellow perch (Perca flavescens) and white sucker (Catostomus commersonii). A three-dimensional (3D) morphodynamic model was first developed to simulate the hydro-morphodynamics of the study creek. The...
The Second Phase of the Grain for Green Program: Adapting the Largest Reforestation Program in the World to the New Conditions in Rural China
01. September 2019
Abstract This paper introduces the second phase of the Grain for Green. The first phase ran from 1999 to 2014, and the second phase started in 2015. The second phase of the GfG (GfG/2) addresses some problems of the first phase (GfG/1), in particular the lack of income for the farmers, as well as some changes to the rural areas, in particular the small number of remaining farmers. The paper describes how the GfG/2 (unlike the GfG/1) encourages farmers to organize themselves in cooperatives, or work with investors, and grow fruit trees to generate sustainable incomes...
Landowner Perceptions of Payments for Nature Conservation on Private Land
01. September 2019
Abstract Private land conservation (PLC) programs often provide financial incentives to motivate and enable landowners to engage in conservation. However, few studies have explored the psychological and management impacts of these incentives. We interviewed 50 landowners in Tasmania, Australia who were engaged in incentivised or nonincentivised PLC programs. Landowners who received incentives were paid to either protect private land through creating a conservation covenant (a legal deed restricting land uses) or engage in a specific stewardship activity (e.g., planting...
Coastal Tourism and Its Influence on Wastewater Nitrogen Loading: A Barrier Island Case Study
23. August 2019
Abstract Package treatment plants (PTPs) are facilities designed to treat onsite wastewater for small communities, commercial, and residential developments. PTPs are being utilized in a growing number of coastal communities. This study estimated the effects of coastal tourism on onsite wastewater nitrogen (N) inputs to a barrier island surficial aquifer (Bogue Banks, NC). The N-removal effectiveness was assessed for seven PTPs that treated wastewater from vacation properties using a range of technologies: extended aeration; sequencing batch reactor; and advanced media...
Shifting Ground: Landscape-Scale Modeling of Biogeochemical Processes under Climate Change in the Florida Everglades
22. August 2019
Abstract Scenarios modeling can be a useful tool to plan for climate change. In this study, we help Everglades restoration planning to bolster climate change resiliency by simulating plausible ecosystem responses to three climate change scenarios: a Baseline scenario of 2010 climate, and two scenarios that both included 1.5 °C warming and 7% increase in evapotranspiration, and differed only by rainfall: either increase or decrease by 10%. In conjunction with output from a water-use management model, we used these scenarios to drive the Everglades Landscape Model to...
Purity, Pollution, and Space: Barriers to Latrine Adoption in Post-disaster India
21. August 2019
Abstract This study examines the adoption of latrines provided as part of reconstruction efforts after the 2004 tsunami in India. Primary data from 274 households encompassing 1154 individuals were collected from 14 villages. GLM and GLMM tests indicate that sex (more females adopted than males) is a statistically significant factor in latrine adoption (p = 0.046 and p = 0.005, respectively), while income, education, and male age cohorts were significant only in the GLM model. Regression analyses show that six social and demographic variables are somewhat...
Do the Adaptations of Venice and Miami to Sea Level Rise Offer Lessons for Other Vulnerable Coastal Cities?
18. August 2019
Abstract Both Venice and Miami are high-density coastal cities that are extremely vulnerable to rising sea levels and climate change. Aside from their sea-level location, they are both characterized by large populations, valuable infrastructure and real estate, and economic dependence on tourism, as well as the availability of advanced scientific data and technological expertize. Yet their responses have been quite different. We examine the biophysical environments of the two cities, as well as their socio-economic features, administrative arrangements vulnerabilities...
Access Matting Reduces Mixedgrass Prairie Soil and Vegetation Responses to Industrial Disturbance
15. August 2019
Abstract Substantial interest exists in understanding the role of low-disturbance construction methods in mitigating industrial impacts to native grassland soils and vegetation. We assessed soil and vegetation responses to conventional high-disturbance sod-stripping and revegetation on sandy soils, and the alternative practice of low-disturbance access matting to provide a temporary work surface on sandy and loamy soils. Treatments were associated with high-voltage transmission tower construction during 2014 within the Mixedgrass Prairie. High-disturbance sites were...
Household Pharmaceutical Waste Disposal in Selangor, Malaysia—Policy, Public Perception, and Current Practices
09. August 2019
Abstract Although pharmaceuticals treat illnesses and prevent diseases in humans and animals, ironically, they are now among the emerging pollutants in the environment. As individuals continue to consume medicines, households can become a primary source of pharmaceutical pollutants. This paper explains relevant Malaysian law and policy on the issue. Using a questionnaire survey, it also assesses public perception concerning the environmental impact of pharmaceutical waste and the current methods of disposal that are practiced in Selangor. The survey used a convenience...
Predicting Farmer Adoption of Water Conservation Practices Using a Norm-based Moral Obligation Model
07. August 2019
Abstract This study examines the social-psychological drivers of conservation practice adoption among farmers in Minnesota. Specifically, it applies a moral obligation model to understand farmer decision-making related to water resource management, focusing in particular on conservation tillage and drainage management. Data were collected through a self-administered mail survey of 1500 landowners in two subwatersheds of the Red River Basin: Wild Rice River and Middle Snake-Tamarac Rivers. Data were analyzed using structural equation modeling. Study results demonstrate...