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Journal articles on the topic 'Stream health'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 August 2024

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1

Powell, Martin. "Seventy years of the British National Health Service: problem, politics and policy streams." Health Economics, Policy and Law 14, no. 1 (April 15, 2018): 29–39. http://dx.doi.org/10.1017/s1744133118000117.

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AbstractThe British National Health Service (NHS) celebrates its 70th birthday on 5 July 2018. This paper examines this anniversary through the lens of previous anniversaries, exploring two strands of political debates and NHS documents. It draws on the basic ‘multiple streams model’ of Kingdon that argues that an issue reaches the agenda when the policy window opens to allow the coupling of three independent streams – policy, problem and politics. It is found that there appears to be some discontinuity in the problem stream; some periods of relative consensus and sharp political differences i

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Smiley, Peter C., Kevin W. King, and Norman R. Fausey. "Public health perspectives of channelized and unchannelized headwater streams in central Ohio: a case study." Journal of Water and Health 8, no. 3 (March 9, 2010): 577–92. http://dx.doi.org/10.2166/wh.2010.160.

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Headwater streams constitute the majority of watersheds in the United States and many in the midwest have been channelized for agricultural drainage. Public health implications of water chemistry and aquatic insects within channelized and unchannelized headwater streams have not been explored. We sampled water chemistry and aquatic insects in two channelized and two unchannelized headwater streams in central Ohio from December 2005 until November 2008. Maximum concentrations of ammonium, nitrate plus nitrite, and chlorothalonil were greater in channelized streams. Nitrate plus nitrite and atra

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Finkenbine, J. K., J. W. Atwater, and D. S. Mavinic. "STREAM HEALTH AFTER URBANIZATION." Journal of the American Water Resources Association 36, no. 5 (October 2000): 1149–60. http://dx.doi.org/10.1111/j.1752-1688.2000.tb05717.x.

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Speechley, W. J., C. B. Murray, R. M. McKay, M. T. Munz, and E. T. C. Ngan. "A failure of conflict to modulate dual-stream processing may underlie the formation and maintenance of delusions." European Psychiatry 25, no. 2 (March 2010): 80–86. http://dx.doi.org/10.1016/j.eurpsy.2009.05.012.

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AbstractBackgroundDual-stream information processing proposes that reasoning is composed of two interacting processes: a fast, intuitive system (Stream 1) and a slower, more logical process (Stream 2). In non-patient controls, divergence of these streams may result in the experience of conflict, modulating decision-making towards Stream 2, and initiating a more thorough examination of the available evidence. In delusional schizophrenia patients, a failure of conflict to modulate decision-making towards Stream 2 may reduce the influence of contradictory evidence, resulting in a failure to corre

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McNie, Pierce M., and Russell G. Death. "The effect of agriculture on cave-stream invertebrate communities." Marine and Freshwater Research 68, no. 11 (2017): 1999. http://dx.doi.org/10.1071/mf16112.

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The impacts that land-use changes have on cave-stream fauna have not been considered widely in the investigations of land-use impacts on stream ecology. The present study examines how above-ground agriculture may influence cave-stream invertebrate communities. The invertebrate communities in four cave streams and their surface counterparts were sampled in 2014–2015, including two drained predominantly agricultural catchments and two drained forested catchments. These communities were examined alongside habitat and GIS land-use data to determine the relationship between above-ground land use an

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Meyer, Judy L. "Stream Health: Incorporating the Human Dimension to Advance Stream Ecology." Journal of the North American Benthological Society 16, no. 2 (June 1997): 439–47. http://dx.doi.org/10.2307/1468029.

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Mao, Kelong, Jieming Zhu, Liangcai Su, Guohao Cai, Yuru Li, and Zhenhua Dong. "FinalMLP: An Enhanced Two-Stream MLP Model for CTR Prediction." Proceedings of the AAAI Conference on Artificial Intelligence 37, no. 4 (June 26, 2023): 4552–60. http://dx.doi.org/10.1609/aaai.v37i4.25577.

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Click-through rate (CTR) prediction is one of the fundamental tasks in online advertising and recommendation. Multi-layer perceptron (MLP) serves as a core component in many deep CTR prediction models, but it has been widely shown that applying a vanilla MLP network alone is ineffective in learning complex feature interactions. As such, many two-stream models (e.g., Wide&Deep, DeepFM, and DCN) have recently been proposed, aiming to integrate two parallel sub-networks to learn feature interactions from two different views for enhanced CTR prediction. In addition to one MLP stream that learn

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Polat, Seda, and Taflan İmre Gündem. "Stream Processing Health Card Application." Journal of Medical Systems 36, no. 5 (November 30, 2011): 3215–22. http://dx.doi.org/10.1007/s10916-011-9812-0.

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Reid, Scott, and Anita LeBaron. "Autumn electrofishing reduces harm to Ontario (Canada) stream fishes collected during watershed health monitoring." Conservation Evidence Journal 18 (January 1, 2021): 31–36. http://dx.doi.org/10.52201/cej18hjvu9134.

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Electrofishing surveys provide important information on watershed health, and the status of imperiled and recreationally important stream fishes. Concerns about the harmful effects of electrofishing on the endangered redside dace Clinostomus elongatus have resulted in restrictions on its use in sampling activities in the province of Ontario, Canada. However, the effectiveness of these restrictions is unproven. We undertook a paired sampling gear study in 2018-2019 to test whether an alternate gear (seine nets) or a change in electrofishing timing (autumn rather than summer) reduced harm to str

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Derose, Kelsey L., Charles F. Battaglia, Danny J. Eastburn, Leslie M. Roche, Theresa A. Becchetti, Holly A. George, David F. Lile, Donald L. Lancaster, Neil K. McDougald, and Kenneth W. Tate. "Riparian health improves with managerial effort to implement livestock distribution practices." Rangeland Journal 42, no. 3 (2020): 153. http://dx.doi.org/10.1071/rj20024.

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Optimising the spatial distribution of free-ranging livestock is a significant challenge in expansive, grazed landscapes across the globe. Grazing managers use practices such as herding (i.e. droving), strategic placement of off-stream livestock drinking water and nutritional supplements, and strategic fencing in attempts to distribute livestock away from sensitive streams and riparian areas. We conducted a cross-sectional survey of 46 cattle-grazed riparian areas and associated stream reaches embedded in rugged range landscapes to examine relationships between implementation of these manageme

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Potent, Keith, Benjamin Levy, and Andrew Porritt. "Review of electronic discharge summaries from the general medicine, general surgery and mental health streams at a tertiary hospital: retrospective analysis of timeliness, brevity and completeness." Australian Health Review 44, no. 5 (2020): 699. http://dx.doi.org/10.1071/ah19057.

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ObjectiveThis retrospective study identified and compared the performance of electronic discharge summaries (EDSs) from three hospital in-patient streams (surgical, medical and mental health) with Australian standards. MethodsAn audit was performed of 120 EDSs extracted from a tertiary hospital. Auditors evaluated each EDS using an adaptation of the Australian Commission on Safety and Quality in Health Care’s EDS toolkit. ResultsEDSs from all in-patient streams were lengthy and most did not include information regarding discharge destination, patient education or recommendations. General Medic

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Bae, Mi-Jung, Jeong-Ki Hong, and Eui-Jin Kim. "Evaluation of the Impacts of Abandoned Mining Areas: A Case Study with Benthic Macroinvertebrate Assemblages." International Journal of Environmental Research and Public Health 18, no. 21 (October 22, 2021): 11132. http://dx.doi.org/10.3390/ijerph182111132.

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Mining activities are among the most long-lasting anthropogenic pressures on streams and rivers. Therefore, detecting different benthic macroinvertebrate assemblages in the areas recovered from mining activities is essential to establish conservation and management plans for improving the freshwater biodiversity in streams located near mining areas. We compared the stability of benthic macroinvertebrate communities between streams affected by mining activities (Hwangjicheon: NHJ and Cheolamcheon: NCA) and the least disturbed stream (Songjeonricheon: NSJ) using network analysis, self-organizing

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Tewari, Ankit, Prabhat Kumar Singh, and Shishir Gaur. "Engineered hyporheic zones: design and applications in stream health restoration – a review." Water Supply 22, no. 2 (October 27, 2021): 2179–93. http://dx.doi.org/10.2166/ws.2021.366.

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Abstract Anthropogenic deterioration of streams and rivers has affected their surface-subsurface linkages. This has led to the degradation of hyporheic zones, a sensitive interface between a stream channel and its surrounding sediments, responsible for transforming pollutants, natural solutes and supporting benthic communities. Several authors have reported the influence of stream restoration measures on hyporheic exchanges and have called for the inclusion of hyporheic zone restorations in stream management. Engineered Hyporheic Zones (EHZ) are the creation of artificial transition areas due

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Park, Jin Won, and Yong-Sik Cho. "Establishing Indicators and Stream Depletion Potential Index (SDPI) for Stream Health." Journal of Korean Society of Hazard Mitigation 15, no. 2 (April 30, 2015): 285–92. http://dx.doi.org/10.9798/kosham.2015.15.2.285.

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Koepke, Jonathan. "URBAN STREAM RESTORATION AND APPLIED PRACTICES IN NORTHEAST ILLINOIS." Journal of Green Building 12, no. 2 (March 2017): 13–27. http://dx.doi.org/10.3992/1943-4618.12.2.13.

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INTRODUCTION: In-stream and watershed dynamics in urban and urbanizing areas have significant impacts on local property and infrastructure, as well as the quality of the stream itself including: water quality, habitat, physical characteristics, and biodiversity. As land development occurs, natural vegetation and exposed soils are converted to buildings, pavement and other impervious surfaces. This leads to increased runoff during storm events as well as decreasing the time that it takes that stormwater to reach streams, wetlands, and other stormwater storage and conveyance systems. These hydro

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Gwos Nhiomock Serge Roger, Foto Menbohan Samuel, Nyame Mbia Donald-L’Or, Tchouapi Yvonne Laure, Biram A Ngon Eric Belmond, and Disso Eliane. "Biodiversity and water health status of four rivers in the East Cameroon region." GSC Biological and Pharmaceutical Sciences 18, no. 3 (March 30, 2022): 226–41. http://dx.doi.org/10.30574/gscbps.2022.18.3.0100.

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A study on the biodiversity and health status of the waters of four stream in the East Cameroon region was conducted from December 2018 to December 2019. Physicochemical parameters were measured following Rodier's recommendations, while benthic macroinvertebrates were collected following the multihabitat approach. The physicochemical analyses show that the waters of the streams in the East Cameroon region are well oxygenated (70.16%), slightly acidic (5.18 UC), with low values of nitrogen and phosphate compounds (0.48 mg/L) indicating low litter decomposition. A total of 12558 benthic macroinv

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Mushi, Douglas. "Clostridium perfringens identifies source of pollution and reference streams in a tropical highland environment." Journal of Water and Health 16, no. 4 (June 11, 2018): 501–7. http://dx.doi.org/10.2166/wh.2018.192.

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Abstract Clostridium perfringens was analysed in soils from a tropical highland catchment and corresponding headwater streams at baseflow condition in order to understand the contribution of soils to the microbiological quality of stream water and the feasibility of using these streams as surrogate for negative control (reference streams). The concentrations of C. perfringens depended on the sample matrix. C. perfringens concentrations were significantly higher in the catchment soil than in the stream water (P &lt; 0.05, n = 20). In addition, C. perfringens concentrations in the catchment

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Kannan, Narayanan. "Stream Health Estimation for the Plum Creek Watershed." Hydrology 8, no. 1 (January 20, 2021): 13. http://dx.doi.org/10.3390/hydrology8010013.

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Overall health of a stream is one of the powerful indicators for planning mitigation strategies. Currently, available methods to estimate stream health do not look at all the different components of stream health. Based on the statistical parameters obtained from daily streamflow data, water quality data, and index of biotic integrity (IBI), this study evaluated the impacts on all the elements of stream health, such as aquatic species, riparian vegetation, benthic macro-invertebrates, and channel degradation for the Plum Creek watershed in Texas, USA. The method involved the (1) collection of

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Kurniawati, Nawang, Agus Heruanto Hadna, and Bachtiar Dwi Kurniawan. "Muhammadiyah as Policy Entrepreneur in Policy Change Making of Oil and Gas Law." Politik Indonesia: Indonesian Political Science Review 6, no. 1 (April 7, 2021): 73–89. http://dx.doi.org/10.15294/ipsr.v6i1.29202.

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Muhammadiyah pursues a policy agenda by suing Law Number 21 of the Year 2001 regarding the oil and gas in 2012. Muhammadiyah acts as PE, bringing together three streams of MSA (problem stream, politic stream, and policy stream) to open the policy window and make the public issues (lawsuit) of the policy agenda. Therefore, this study intends to analyze the efforts of Muhammadiyah as a policy entrepreneur in policy change making towards oil and gas law. This research is used a descriptive qualitative method to describe the chronology of Muhammadiyah as a policy actor. The purposive sampling meth

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Chatzidavid, David, Eleni Kokinou, Stratos Kokolakis, and Matina Karagiannidou. "Integrating Earth Observation with Stream Health and Agricultural Activity." Remote Sensing 15, no. 23 (November 24, 2023): 5485. http://dx.doi.org/10.3390/rs15235485.

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The overall health of streams, including their surrounding urban or agricultural areas, is inextricably linked to general ecological balance and public health (physical and mental well-being). This study aims to contribute to the monitoring of rural or suburban areas adjacent to streams. Specifically, low-cost and rapid ground and Earth observation techniques were used to (a) obtain a rapid assessment of stream soil and water patterns, (b) create a database of selected parameters for the study area that can be used for future comparisons, and (c) identify soil variability in agricultural field

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Chashoo, Hafsa Farooq, Adnan Abubakr, Monisa Malik, Farooz Ahmad Bhat, Bilal Ahmad Bhat, Irfan Ahmad Khan, Shazia Tariq, and Farah Hanief. "Assessing the Health of Dachigam Stream: A Water Quality Analysis." International Journal of Environment and Climate Change 14, no. 4 (April 17, 2024): 356–71. http://dx.doi.org/10.9734/ijecc/2024/v14i44122.

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As global populations rise and climate change impacts water cycles, the importance of water resources becomes increasingly critical for human sustenance. Streams, characterized by their unidirectional flow, are valuable systems for studying ecological phenomena across spatial and temporal scales. Maintaining good water quality is crucial for preserving biodiversity and ensuring individual and public health, environmental protection, and sustainable development. Analyzing water chemistry is a valuable tool for monitoring stream health, offering insights into pollutant levels and potential issue

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McDonald, Brook S., Gary W. Mullins, and Stuart Lewis. "Macroinvertebrates as Indicators of Stream Health." American Biology Teacher 53, no. 8 (November 1, 1991): 462–66. http://dx.doi.org/10.2307/4449370.

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23

Akidau, Tyler, Edmon Begoli, Slava Chernyak, Fabian Hueske, Kathryn Knight, Kenneth Knowles, Daniel Mills, and Dan Sotolongo. "Watermarks in stream processing systems." Proceedings of the VLDB Endowment 14, no. 12 (July 2021): 3135–47. http://dx.doi.org/10.14778/3476311.3476389.

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Streaming data processing is an exercise in taming disorder: from oftentimes huge torrents of information, we hope to extract powerful and timely analyses. But when dealing with streaming data, the unbounded and temporally disordered nature of real-world streams introduces a critical challenge: how does one reason about the completeness of a stream that never ends? In this paper, we present a comprehensive definition and analysis of watermarks , a key tool for reasoning about temporal completeness in infinite streams. First, we describe what watermarks are and why they are important, highlight

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Crosbie, Eric, Sara Perez, Adriana Rocha Camarena, Valentina Ochoa Vivanco, Gianella Severini, Patricia Gutkowski, Patricia Sosa, and Ernesto M. Sebrié. "The Perfect Storm: Applying the Multiple Streams Framework to Understand the Adoption of a WHO Framework Convention on Tobacco Control-Based Policy in Mexico." International Journal of Environmental Research and Public Health 21, no. 7 (July 13, 2024): 917. http://dx.doi.org/10.3390/ijerph21070917.

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Background: The aim of this study was to document how Mexico adopted a WHO Framework Convention on Tobacco Control (FCTC)-based national tobacco control law. Methods: We analyzed publicly available documents and interviewed 14 key stakeholders. We applied the Multiple Streams Framework (MSF) to analyze these findings. Results: Previous attempts to approve comprehensive FCTC-based initiatives failed due to a lack of political will, the tobacco industry’s close connections to policymakers, and a lack of health advocacy coordination. Applying the MSF reveals increased attention towards collecting

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Kasahara, Tamao, and Alan R. Hill. "Effects of rifflestep restoration on hyporheic zone chemistry in N-rich lowland streams." Canadian Journal of Fisheries and Aquatic Sciences 63, no. 1 (January 1, 2006): 120–33. http://dx.doi.org/10.1139/f05-199.

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Stream restoration projects that aim to rehabilitate ecosystem health have not considered surfacesubsurface linkages, although stream water and groundwater interaction has an important role in sustaining stream ecosystem functions. The present study examined the effect of constructed riffles and a step on hyporheic exchange flow and chemistry in restored reaches of several N-rich agricultural and urban streams in southern Ontario. Hydrometric data collected from a network of piezometers and conservative tracer releases indicated that the constructed riffles and steps were effective in inducin

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Echeverría-Sáenz, Silvia, Rocío Ugalde-Salazar, Meyer Guevara-Mora, Francisco Quesada-Alvarado, and Clemens Ruepert. "Ecological Integrity Impairment and Habitat Fragmentation for Neotropical Macroinvertebrate Communities in an Agricultural Stream." Toxics 10, no. 7 (June 22, 2022): 346. http://dx.doi.org/10.3390/toxics10070346.

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The Volcán River watershed in the south Pacific of Costa Rica comprises forests, small urban settlements, cattle fields, and intensive agriculture (mostly pineapple and sugarcane). The ecological integrity and quality of its waters was assessed from 2011–2013 and 2018–2019 by means of physical–chemical parameters (pH, conductivity, temperature, DO, DBO, nitrate, total phosphorus, and pesticide residues) and benthic macroinvertebrate (MI) sampling in eight sites (Volcán, Cañas, and Ángel Rivers, and Peje and Maura streams), resulting in high ecological integrity in all sites except the Peje str

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Walsh, Christopher J., Matthew J. Burns, Tim D. Fletcher, Darren G. Bos, Peter Poelsma, Joshphar Kunapo, and Moss Imberger. "Linking stormwater control performance to stream ecosystem outcomes: Incorporating a performance metric into effective imperviousness." PLOS Water 1, no. 2 (February 15, 2022): e0000004. http://dx.doi.org/10.1371/journal.pwat.0000004.

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Stormwater control measures, such as raingardens, tanks, or wetlands, are often employed to mitigate the deleterious effects of urban stormwater drainage on stream ecosystems. However, performance metrics for control measures, most commonly pollutant-load reduction, have not permitted prediction of how they will change stream ecosystems downstream. Stream ecosystem responses have more commonly been predicted by catchment-scale measures such as effective imperviousness (percentage of catchment with impervious cover draining to sealed drains). We adapt effective imperviousness, weighting it by a

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Gašparović, Sanja, Ana Sopina, and Anton Zeneral. "Impacts of Zagreb’s Urban Development on Dynamic Changes in Stream Landscapes from Mid-Twentieth Century." Land 11, no. 5 (May 6, 2022): 692. http://dx.doi.org/10.3390/land11050692.

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Urban streams constitute a valuable form of multi-functional blue and green infrastructure (BGI) and can support urban development to generate ecosystem, social, and economic benefits. In global cities, planning for BGI enhancement contributes to climate change adaptation, ecosystem restoration, community health and wellbeing, improved quality of life, etc. This research aims to assess the dynamics of stream landscape change in Zagreb as well as the influence of urban development on the blue and green landscape and related urban values. The analysis of landscape features and their planning is

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Belt, Kenneth T., Christina Hohn, Aiah Gbakima, and James A. Higgins. "Identification of culturable stream water bacteria from urban, agricultural, and forested watersheds using 16S rRNA gene sequencing." Journal of Water and Health 5, no. 3 (March 1, 2007): 395–406. http://dx.doi.org/10.2166/wh.2007.035.

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Bacteria present in water samples taken on a weekly basis, from June 2004 through June 2005, from three streams, were cultured on Coliscan® Easygel® agar plates. Colonies representative of a variety of colors and morphologies were subjected to amplification and sequencing of a 1000–1100 nt portion of the 16S rRNA gene. A total of 528 colonies were sequenced; these categorized into 26 genera and 78 species. Of 175 dark blue/purple colonies presumed to be E. coli, sequence analysis indicated that 45 (25%) were actually other genera. For the urban stream Gwynns Falls Gwynns Run, E. coli was the m

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Lewis, David J., Dylan Voeller, Tina L. Saitone, and Kenneth W. Tate. "Management Scale Assessment of Practices to Mitigate Cattle Microbial Water Quality Impairments of Coastal Waters." Sustainability 11, no. 19 (October 6, 2019): 5516. http://dx.doi.org/10.3390/su11195516.

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Coastal areas support multiple important resource uses including recreation, aquaculture, and agriculture. Unmanaged cattle access to stream corridors in grazed coastal watersheds can contaminate surface waters with fecal-derived microbial pollutants, posing risk to human health via activities such as swimming and shellfish consumption. Improved managerial control of cattle access to streams through implementation of grazing best management practices (BMPs) is a critical step in mitigating waterborne microbial pollution in grazed watersheds. This paper reports trend analysis of a 19-year datas

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Yang, Tianhao, Qixin Wu, Yanling An, and Jiemei Lv. "Major ion compositions, sources and risk assessment of karst stream under the influence of anthropogenic activities, Guizhou Province, Southwest China." PeerJ 11 (May 18, 2023): e15368. http://dx.doi.org/10.7717/peerj.15368.

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To explore the influence of different types of anthropogenic activity on the rivers, we investigate the major ion composition, sources and risk assessment of the karst stream (Youyu stream and Jinzhong stream), which are heavily influenced by mining activities and urban sewage, respectively. The chemical compositions of the Youyu stream water, which is heavily influenced by mining activities, are dominated by Ca2+ and SO42–. However, the chemical compositions of the Jinzhong stream water, which is heavily influenced by urban sewage, are dominated by Ca2+ and HCO3–. The Ca2+, Mg2+ and HCO3– in

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Lind, Kimberly E., Mikaela Jorgensen, Chanelle Stowers, and Martyn Brookes. "HealthPathways: a detailed analysis of utilisation trends in the northern Sydney region." Australian Journal of Primary Health 26, no. 4 (2020): 338. http://dx.doi.org/10.1071/py20010.

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This study developed a model for using Google Analytics (GA) data to evaluate utilisation trends of the Sydney North HealthPathways portal. HealthPathways GA data merged with dates of page localisations and promotional events from March 2017 through June 2018 were analysed to evaluate engagement and use of HealthPathways, integration into clinical practice and how HealthPathways is used. Descriptive statistics and plots were generated for each clinical stream and page for the number of users per month (total, new and return users), mean time on page, navigation and search terms. The number of

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Kakore, Blandina Genes, Md Mamun, Sang-Jae Lee, and Kwang-Guk An. "Land-Use Pattern as a Key Factor Determining the Water Quality, Fish Guilds, and Ecological Health in Lotic Ecosystems of the Asian Monsoon Region." Water 14, no. 17 (September 5, 2022): 2765. http://dx.doi.org/10.3390/w14172765.

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Land-use patterns influence water quality in lotic ecosystems worldwide; consequently, deteriorating water quality affects fish communities and composition and the ecological health of water bodies. This study aimed to evaluate how land use, stream order, and elevation regulate water quality and ecological health in 64 streams based on the following four land cover types: namely, forest, agriculture, urban upstream, and urban downstream regions. Spatial analysis revealed that urban downstream areas had higher nutrient concentrations [total phosphorus (TP) as follows: 117 µg/L; total nitrogen (

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Sharma, Neha, Rajesh Rayal, K. P. Chamoli, Pankaj Bahuguna, and Pratibha Baluni. "Observation on the Diversity of Riparian Vegetation in the Sahastradhara Stream from Doon Valley (Uttarakhand) India." Scientific Temper 13, no. 01 (June 25, 2022): 37–45. http://dx.doi.org/10.58414/scientifictemper.2022.13.1.05.

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The physical and ecological health of streams is both influenced by riparian vegetation. It helpsto maintain the balance of oxygen, nutrients, and sediments in the environment, as well asproviding habitat and food for micro and macrofauna. The purpose of this study was to add toour understanding of the riparian vegetation of the Sahastradhara stream in Doon Valley. Thestudied riparian zone of the Sahastradhara stream in Dehradun comprises a total of 69 plantspecies belonging to 41 different families. The Asteraceae family, with 13 species, dominatedthe riparian vegetation, followed by Euphorbi

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Tribble, Dennis A. "Print-stream interfaces." American Journal of Health-System Pharmacy 66, no. 11 (June 1, 2009): 990–91. http://dx.doi.org/10.2146/ajhp070593.

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Doehring, Katharina, Joanne E. Clapcott, and Roger G. Young. "Assessing the Functional Response to Streamside Fencing of Pastoral Waikato Streams, New Zealand." Water 11, no. 7 (June 29, 2019): 1347. http://dx.doi.org/10.3390/w11071347.

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In New Zealand, streamside fencing is a well-recognised restoration technique for pastoral waterways. However, the response of stream ecosystem function to fencing is not well quantified. We measured the response to fencing of eight variables describing ecosystem function and 11 variables describing physical habitat and water quality at 11 paired stream sites (fenced and unfenced) over a 30-year timespan. We hypothesised that (1) fencing would improve the state of stream ecosystem health as described by physical, water quality and functional indicators due to riparian re-establishment and (2)

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Greeves, Scott. "Tracking Trash: Understanding Patterns of Debris Pollution in Knoxville’s Urban Streams." Sustainability 15, no. 24 (December 12, 2023): 16747. http://dx.doi.org/10.3390/su152416747.

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Urban streams and rivers often experience high levels of pollution from anthropogenic sources. Litter and plastic debris are of particular concern because they negatively impact ecosystem health, increase the risk of flooding, and limit human recreational opportunities. In the City of Knoxville, Tennessee, several urban streams are posted as impaired, with health and use advisories in place. Despite remediation efforts from local governance and charitable initiatives, urban stream pollution remains a pervasive issue in Knoxville. To support and inform local remediation actions and sustainable

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Hwang, Eun-A., In-Hwan Cho, Ha-Kyung Kim, Chen Yi, and Baik-Ho Kim. "The Relationship between Rainfall Pattern and Epilithic Diatoms in Four Streams of Central-Western Korea for Three Years (2013–2015)." International Journal of Environmental Research and Public Health 20, no. 5 (February 24, 2023): 4099. http://dx.doi.org/10.3390/ijerph20054099.

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To study the effect of rainfall patterns on diatom communities in four major central western streams on the Korean Peninsula during the monsoon seasons of 2013 through 2015, we measured precipitation, environmental factors, and epilithic diatoms at 42 sites before (May) and after (August and September) each monsoon. The Mangyeonggang river and Sapgyocheon stream (SS) had a high percentage of low-permeability soil, and the stream had the highest proportion (49.1%) of surrounding land in urban areas. Precipitation and precipitation frequency was closely correlated with electrical conductivity an

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Arena, Christopher M., John L. Galebach, Thomas M. Mandichak, J. Michael Engle, and Merrilee G. Anderson. "Identification of diatoms in a healthy Pennsylvania stream compared to three downstream sites impacted by Abandoned Mine Drainage." Fine Focus 1, no. 1 (December 1, 2014): 29–38. http://dx.doi.org/10.33043/ff.1.1.29-38.

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Life in a healthy stream can be severely impacted by changes in pH and other water quality parameters. This study reveals differences in diatom diversity and water quality characteristics in a central Pennsylvania stream. One healthy site was compared to three nearby sites affected by abandoned mine drainage during a July sampling in 2013. Permanent slides were made and microscopically assessed for diatom identification. The healthy stream contained eleven diatom genera while the site most impacted by mine drainage showed only one diatom, Eunotia exigua. Data were analyzed for Shannon diversit

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Varela, Will L., Neal D. Mundahl, Silas Bergen, David F. Staples, Jennifer Cochran-Biederman, and Cole R. Weaver. "Physical and Biological Stream Health in an Agricultural Watershed after 30+ Years of Targeted Conservation Practices." Water 15, no. 19 (October 2, 2023): 3475. http://dx.doi.org/10.3390/w15193475.

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Agricultural activities within watersheds can have negative effects on river ecosystems, but numerous conservation practices can be implemented that reduce soil erosion, increase water infiltration, slow runoff, and improve soil quality. Our study focused on analyzing overall stream health (instream and riparian physical, instream biological) at 56 stream sites within an agricultural watershed (83,000 hectares, 70% croplands, and rangelands) in southeastern Minnesota, USA, with a 30+-year history of targeted conservation practices to protect local water resources of importance for tourism and

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Zhao, Kai, Chang Xu, and Bailu Si. "Learning Visual Abstract Reasoning through Dual-Stream Networks." Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 15 (March 24, 2024): 16979–88. http://dx.doi.org/10.1609/aaai.v38i15.29641.

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Visual abstract reasoning tasks present challenges for deep neural networks, exposing limitations in their capabilities. In this work, we present a neural network model that addresses the challenges posed by Raven’s Progressive Matrices (RPM). Inspired by the two-stream hypothesis of visual processing, we introduce the Dual-stream Reasoning Network (DRNet), which utilizes two parallel branches to capture image features. On top of the two streams, a reasoning module first learns to merge the high-level features of the same image. Then, it employs a rule extractor to handle combinations involvin

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Mpangase, Senzo, and Ntokozo Amanda Xaba. "Understanding the impact of policy adherence and implementation on streams in the Umlazi River System." International Journal of Research in Business and Social Science (2147- 4478) 11, no. 3 (April 30, 2022): 195–205. http://dx.doi.org/10.20525/ijrbs.v11i3.1738.

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Although the national policy landscape is saturated with environmental and surface water management policies, there is limited evidence of successful policy implementation at a local level. This lack of policy adherence can have many economic, environmental, and public health effects in an area hence measure to improve adherence and implementation are essential. This study, therefore, looked at the lack of stream policy adherence and implementation by the government at Umlazi Township, which is the second biggest township in South Africa, with a population reported to be about half a million p

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Yirigui, Lee, and Nejadhashemi. "Multi-Scale Assessment of Relationships between Fragmentation of Riparian Forests and Biological Conditions in Streams." Sustainability 11, no. 18 (September 16, 2019): 5060. http://dx.doi.org/10.3390/su11185060.

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Due to anthropogenic activities within watersheds and riparian areas, stream water quality and ecological communities have been significantly affected by degradation of watershed and stream environments. One critical indicator of anthropogenic activities within watersheds and riparian areas is forest fragmentation, which has been directly linked to poor water quality and ecosystem health in streams. However, the true nature of the relationship between forest fragmentation and stream ecosystem health has not been fully elucidated due to its complex underlying mechanism. The purpose of this stud

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Su, He, Pei Wu, Jing Xue, Yongan Zhang, and Haijun Zhang. "Analysis of flow field characteristics and structure optimization of the split-stream rushing muffler for diesel engine." Noise Control Engineering Journal 68, no. 1 (January 20, 2020): 101–11. http://dx.doi.org/10.3397/1/37688.

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In order to analyze the flow field characteristics of the split-stream rushing muffler, a theoretical model describing the velocity of the split streams is established and verified by the tracer test. For this new-principle muffler, the acoustic performance and the relationship between the velocity drop of the airflow and the pressure field are analyzed, also the structure optimization of the muffler is carried out based on the orthogonal test. Finally, a new muffler is fabricated based on the designing theory of this type of muffler for a prototype of diesel engine, and the comparative analys

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Kannan, Narayanan, Aavudai Anandhi, and Jaehak Jeong. "Estimation of Stream Health Using Flow-Based Indices." Hydrology 5, no. 1 (March 15, 2018): 20. http://dx.doi.org/10.3390/hydrology5010020.

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Woznicki, Sean A., A. Pouyan Nejadhashemi, Dennis M. Ross, Zhen Zhang, Lizhu Wang, and Abdol-Hossein Esfahanian. "Ecohydrological model parameter selection for stream health evaluation." Science of The Total Environment 511 (April 2015): 341–53. http://dx.doi.org/10.1016/j.scitotenv.2014.12.066.

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Esfahanian, Elaheh, A. Pouyan Nejadhashemi, Mohammad Abouali, Fariborz Daneshvar, Ameli Renani Alireza, Matthew R. Herman, and Ying Tang. "Defining drought in the context of stream health." Ecological Engineering 94 (September 2016): 668–81. http://dx.doi.org/10.1016/j.ecoleng.2016.06.110.

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Abouali, Mohammad, A. Pouyan Nejadhashemi, Fariborz Daneshvar, and Sean A. Woznicki. "Two-phase approach to improve stream health modeling." Ecological Informatics 34 (July 2016): 13–21. http://dx.doi.org/10.1016/j.ecoinf.2016.04.009.

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Chiu, Grace, and Peter Guttorp. "Stream health index for the Puget Sound Lowland." Environmetrics 17, no. 3 (2006): 285–307. http://dx.doi.org/10.1002/env.744.

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Erdozain, Maitane, Karen A. Kidd, Lauren Negrazis, Scott S. Capell, David P. Kreutzweiser, Michelle A. Gray, and Erik J. S. Emilson. "Understanding the effects of forest management on streams and rivers: A synthesis of research conducted in New Brunswick (Canada) 2014–2018." Forestry Chronicle 98, no. 1 (November 2022): 77–88. http://dx.doi.org/10.5558/tfc2022-010.

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Forests play a major role in maintaining healthy streams and in providing ecosystem services such as clean drinking water, flood/drought protection and biodiversity, but studies have shown that some forestry operations can compromise these benefits. To assess whether current forest management practices impact stream ecosystems, a five-year study was conducted in J.D. Irving, Limited’s Black Brook Forestry District (New Brunswick, Canada) and in other watersheds with varying forest management intensity. This study was divided into two phases, with each addressing one main research question: 1)

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