Article
Environmental Sciences
Roy E. Petrakis, Laura M. Norman, Barry R. Middleton
Summary: Riparian systems in the Southwest United States are crucial for human and ecological communities, but they have faced significant changes and stresses. Vegetation management approaches, such as ecological restoration, can address these issues and reduce future impacts.
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2023)
Article
Forestry
Sherri L. Johnson, Judith L. Li, Janel B. Sobota, Linda R. Ashkenas, Amanda M. Pollock, Mark A. Meleason, Lisa Ganio
Summary: Although the importance of macroinvertebrates in healthy stream ecosystems is well-understood, studies on sustainable management practices for macroinvertebrate communities in small streams affected by forest harvesting have been limited. This study examined the effects of contemporary forest harvest practices on benthic macroinvertebrate density and community composition in 12 small headwater streams. The results showed that retaining riparian vegetation during clearcut harvesting minimized changes in macroinvertebrate densities and community composition in headwater streams.
FOREST ECOLOGY AND MANAGEMENT
(2022)
Article
Environmental Sciences
Cong Liu, Liqin Qu, John Clausen, Tingwu Lei, Xiusheng Yang
Summary: This study evaluated the impact of riparian buffer zones on water quality in the Jinghe watershed, China. By using the AnnAGNPS and REMM models, the effectiveness of riparian buffers in reducing sediments and nutrients in surface runoff was assessed. The study found that riparian buffer zones are highly effective in reducing sediments and nutrients, even with reduced buffer widths.
Article
Environmental Sciences
Pamela L. Nagler, Armando Barreto-Munoz, Ibrahima Sall, Matthew R. Lurtz, Kamel Didan
Summary: This study aims to estimate the actual evapotranspiration and annual consumptive use of riparian vegetation in select areas of the Little Colorado River watershed in northeastern Arizona, USA. Remote sensing methods were used to estimate vegetation evapotranspiration and calculate the annual consumptive use for this region. The findings provide insights into the water use of riparian vegetation in this area.
Article
Environmental Sciences
Xiaojun Liu, Yi Zhang, Zhanbin Li, Peng Li, Guoce Xu, Yuting Cheng, Tiegang Zhang
Summary: The study investigates the impact of land use on surface water quality, finding that nitrogen is the dominant nutrient and has significant correlations with other water quality parameters when influenced by grassland and farmland. Land use in buffers can directly and effectively affect water quality.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Neal D. Mundahl, Will L. Varela, Cole Weaver, Erik D. Mundahl, Jennifer L. Cochran-Biederman
Summary: Riparian buffers along streams can intercept eroding soils, contaminants, and nutrients, improving stream habitats and increasing the health of aquatic communities. A survey conducted in a Minnesota stream showed that the implementation of a state-mandated buffer law resulted in improved stream habitats and fish and benthic invertebrate communities. However, the improvement in biotic community metrics was not significant, indicating that more time may be needed for the biotic communities to adapt to the changed habitat conditions.
ENVIRONMENTAL MANAGEMENT
(2023)
Article
Engineering, Civil
Jinxuan Wang, Zhitong Ma, Zhoufeng Wang, Xiaoqin Huang, Quanhua Hou, Yongxiang Cao, Wenke Wang
Summary: In arid and semiarid areas, the interaction between rivers and groundwater plays a significant role in the evolution of the landscape ecological pattern in riparian zones. However, the impact of river-groundwater interactions on landscape ecological patterns has often been neglected in the implementation of grey infrastructure. This study examines the evolution of the landscape ecological pattern in the riparian zones in northwestern China, highlighting the dominant factors and proposing pathways for maintaining a healthy landscape ecological pattern.
JOURNAL OF HYDROLOGY
(2023)
Article
Environmental Sciences
Marcos D. Robles, John C. Hammond, Stephanie K. Kampf, Joel A. Biederman, Eleonora M. C. Demaria
Summary: Recent research in the Upper Colorado River Basin suggests that despite warming temperatures and reduced snowfall, consistent streamflow declines have not been observed due to increased winter runoff. A study on nine gaged basins of the Salt River and its tributaries found that annual and seasonal streamflow patterns remained stable despite significant temperature increases from 1968-2011, with winter inputs playing a crucial role in streamflow production. Atmospheric rivers were identified as a key contributor to large winter streamflow peaks.
Review
Environmental Sciences
Mathieu Nsenga Kumwimba, Jinlou Huang, Mawuli Dzakpasu, Koshila De Silva, Okugbe Ebiotubo Ohore, Fidelis Odedishemi Ajibade, Xuyong Li, Jingjun Su, Diana Kavidia Muyembe, Kaixuan Huang
Summary: The transport of excess nutrients into freshwater systems poses a threat to water quality and aquatic health. Vegetated buffer zones (VBZs) have been used to intercept and remove pollutants in overland flow, particularly in warm regions. However, cold weather negatively affects the effectiveness of VBZ by interrupting key processes such as microbial degradation and infiltration. Research on VBZ in cold climates is lacking, and the nutrient removal abilities of these systems in cold regions are uncertain. Furthermore, frozen soils and plants may release nutrients during freeze-thaw cycles and subsequent runoff events. Therefore, the management and design of VBZ in cold climates require further examination.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Fisheries
Dylan S. Cunningham, Douglas C. Braun, Jonathan W. Moore, Amanda M. Martens
Summary: Human activities such as forestry can have negative impacts on freshwater ecosystems that support juvenile salmon. Forestry activities alter water temperatures and the delivery of water and nutrients in streams, affecting the habitat and survival of juvenile salmon. This study examines the relationship between forestry and stream habitat in interior watersheds and finds that forest harvest is positively correlated with maximum summer stream temperature, while stream gradient explains most of the variation in physical habitat.
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2023)
Article
Forestry
Maneesha T. Jayasuriya, Rene H. Germain, John C. Stella
Summary: This study compared different riparian buffer delineation methods used around headwater streams in 17 states across the US. The functional approach resulted in the highest percentages of watershed area being designated as riparian, while state guidelines allocated less forestland as riparian in many watersheds.
Article
Green & Sustainable Science & Technology
Santosh R. Ghimire, Joel Corona, Rajbir Parmar, Gouri Mahadwar, Raghavan Srinivasan, Katie Mendoza, John M. Johnston
Summary: A study conducted an extensive sensitivity analysis of different riparian buffer zones to climate change impacts on water quality, finding that urban RBZs significantly reduced pollutants and increased dissolved oxygen in current climate conditions and are projected to continue mitigating water quality changes under future climate scenarios.
Article
Environmental Sciences
Brumberg Hilary, Beirne Chris, Broadbent Eben North, Almeyda Zambrano Angelica Maria, Almeyda Zambrano Sandra Lucia, Quispe Gil Carlos Alberto, Lopez Gutierrez Beatriz, Eplee Rachael, Whitworth Andrew
Summary: The study highlights the importance of riparian forest buffer length over width in conserving water quality in riparian zones. A lengthier buffer has a greater impact on water quality compared to wider buffers. It suggests that a 15-meter-wide riparian forest buffer supported by Costa Rican legislation can improve water quality if it is at least 500 meters long, providing a rapid and cost-effective management approach to balance agricultural production and water quality protection.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Environmental Sciences
Hang Chen, Xiaode Zhou, Ying Wang, Wei Wu, Li Cao, Xin Zhang
Summary: This study used the random forest model to identify the riparian buffer zone in the upper and middle reaches of the Ziwu River. It simulated and calculated the nonpoint source pollution load in the riparian buffer zone using the Soil and Water Assessment Tool (SWAT). The study also estimated the pollutant concentration when surface runoff passes the edge of the riparian buffer zone using empirical formulas. Through correlation analysis, the main factors affecting the safe width of the riparian buffer zone were identified. The safe width of the riparian buffer zone was analyzed and calculated by combining these factors with the characteristic parameters of the riparian buffer zone and the water quality demand.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Biodiversity Conservation
Zhan Wang, Wenke Wang, Zaiyong Zhang, Xinyue Hou, Zhitong Ma, Baohui Chen
Summary: This study found that the river-groundwater relationship significantly influences the lateral zonation of plant species composition and diversity along regulated rivers. Different types of river-groundwater relationships result in varied plant distributions, with higher diversity within the groundwater fluctuation zone and lower diversity outside of it. Understanding these patterns can provide valuable guidance for designing appropriate water conveyance schemes.
GLOBAL ECOLOGY AND CONSERVATION
(2021)
Article
Environmental Sciences
Sujithkumar Surendran Nair, Anthony W. King, Jay Gulledge, Benjamin L. Preston, Ryan A. McManamay, Christopher D. Clark
ENVIRONMENTAL RESEARCH LETTERS
(2020)
Article
Green & Sustainable Science & Technology
Yejun Choi, Dayton M. Lambert, Kimberly L. Jensen, Christopher D. Clark, Burton C. English, McKenzie Thomas
Article
Agronomy
Katryn N. Pasaribu, Lixia He Lambert, Dayton M. Lambert, Burton C. English, Christopher D. Clark, Chad Hellwinckel, Christopher N. Boyer, S. Aaron Smith
Summary: This study examines the breakeven price distributions for irrigated and non-irrigated corn, cotton, and soybean production in Tennessee under different field sizes and energy sources for irrigation, with a focus on the impact of drought on commodity market prices. Findings suggest that electric pump irrigation systems have lower energy costs and thus lower breakeven prices compared to diesel-fueled pumps. The results highlight the importance of irrigation management plans tailored to crop producers in the southeastern United States.
IRRIGATION SCIENCE
(2021)
Article
Energy & Fuels
McKenzie Thomas, Kimberly L. Jensen, Dayton M. Lambert, Burton C. English, Christopher D. Clark, Forbes R. Walker
Summary: This research provides insights into consumer preferences and willingness to pay for potting mix amended with biochar, with the findings indicating a higher willingness to pay for these products. Consumer preferences were found to be influenced by demographics and attitudes towards biofuels and the environment.
Article
Energy & Fuels
Keven Alan Robertson, Burton C. English, Christopher D. Clark, Jada M. Thompson, Kimberly L. Jensen, Robert Jamey Menard, Nicole Labbe
Summary: This study analyzes the effects of nitrogen fertilizer application rates on the profitability of growing switchgrass and producing sustainable aviation fuel in a pyrolysis biorefinery facility. The results indicate that farm-gate profit is maximized at 111 kg/ha nitrogen application, while biorefinery profit is maximized at 157 kg/ha nitrogen application due to increased production levels and decreased ash content. Lower ash content could lead to premium prices paid to switchgrass producers in an integrated biofuel industry.
Article
Agricultural Economics & Policy
Christopher N. Boyer, Dayton M. Lambert, Andrew P. Griffith, Christopher D. Clark
Summary: This study identifies the factors associated with rotational grazing and the frequency of cattle rotation during the summer months in Tennessee. The results suggest that factors such as labor, capital, knowledge, and water availability influence the use of rotational grazing and the frequency of cattle rotation. The findings provide insights that can be used to develop incentives for promoting more intensive use of rotational grazing.
JOURNAL OF AGRICULTURAL AND APPLIED ECONOMICS
(2022)
Article
Development Studies
Hari P. Regmi, Sreedhar Upendram, Seong-Hoon Cho, Christopher D. Clark
Summary: This study examines the influence of institutional factors on the complementary relationships among multiple climate change adaptation strategies, using survey data from rice producers in Chitwan district of Nepal. The results indicate that access to Extension services, training, and weather-related information enhance the likelihood of adopting different adaptation practices, and these institutional factors also enhance the complementarities among the strategies.
CLIMATE AND DEVELOPMENT
(2023)
Article
Food Science & Technology
Sreedhar Upendram, Hari P. Regmi, Seong-Hoon Cho, James C. Mingie, Christopher D. Clark
Summary: This study investigates the influence of institutional resources on the adoption intensity of climate change adaptation practices among smallholder rice producers in Nepal. The results show that access to institutional resources significantly increases the likelihood and intensity of adopting climate change adaptation practices. However, the intensity of adoption decreases with greater adaptation alternatives available. Lack of information and technical knowledge are identified as the main barriers to adoption. These findings have important implications for policy makers and planners in prioritizing training opportunities and allocating resources to enhance climate change adaptation and improve sustainability in rice production.
FRONTIERS IN SUSTAINABLE FOOD SYSTEMS
(2023)
Article
Agricultural Economics & Policy
Yongwang Ren, Dayton M. Lambert, Christopher D. Clark, Christopher N. Boyer, Andrew P. Griffith
Summary: A study found that cattle producers in Tennessee have a willingness to adopt warm-season grasses, especially when provided with monetary incentives. It is estimated that a $95/acre incentive is needed to convert 7,631 acres to warm-season grasses, with a total cost of $7.7 million.
JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
(2022)
Article
Ecology
K. M. Campbell, C. N. Boyer, D. M. Lambert, C. D. Clark, S. A. Smith
Summary: This research aims to determine how producer risk preferences influence the adoption of best management practices, finding that an increase in cost-share payment for cover crops boosts adoption likelihood, while the adoption of no-till practices remains unaffected by incentives. Risk preferences do not directly impact cover crop adoption, but higher risk aversion in producers decreases the likelihood of adopting no-till practices.
JOURNAL OF SOIL AND WATER CONSERVATION
(2021)
Article
Agricultural Economics & Policy
Dayton M. Lambert, Christopher D. Clark, Laura J. Medwid, Shawn A. Hawkins, Hannah A. McClellan
JOURNAL OF AGRICULTURAL AND APPLIED ECONOMICS
(2020)
Article
Development Studies
Seong-Hoon Cho, Amine Ben Ayara, Dayton M. Lambert, Christopher D. Clark, Guangsheng Chen, Daniel J. Hayes, Bijay P. Sharma
JOURNAL OF ENVIRONMENTAL PLANNING AND MANAGEMENT
(2020)
Article
Agricultural Economics & Policy
Christopher N. Boyer, Dayton M. Lambert, Andrew P. Griffith, Christopher D. Clark, Burton English
JOURNAL OF AGRICULTURAL AND APPLIED ECONOMICS
(2020)
Article
Agricultural Economics & Policy
Kristen Holley, Kimberly L. Jensen, Dayton M. Lambert, Christopher D. Clark
JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
(2020)
Article
Economics
Di Sheng, Stephanie Owen, Dayton M. Lambert, Burton C. English, Robert J. Menard, David W. Hughes, Lixia He-Lambert, Christopher D. Clark
REVIEW OF REGIONAL STUDIES
(2019)