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Environmental Management

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https://www.readbyqxmd.com/read/27904947/a-methodology-to-evaluate-ecological-resources-and-risk-using-two-case-studies-at-the-department-of-energy-s-hanford-site
#1
Joanna Burger, Michael Gochfeld, Amoret Bunn, Janelle Downs, Christian Jeitner, Taryn Pittfield, Jennifer Salisbury, David Kosson
An assessment of the potential risks to ecological resources from remediation activities or other perturbations should involve a quantitative evaluation of resources on the remediation site and in the surrounding environment. We developed a risk methodology to rapidly evaluate potential impact on ecological resources for the U.S. Department of Energy's Hanford Site in southcentral Washington State. We describe the application of the risk evaluation for two case studies to illustrate its applicability. The ecological assessment involves examining previous sources of information for the site, defining different resource levels from 0 to 5...
November 30, 2016: Environmental Management
https://www.readbyqxmd.com/read/27885388/recovery-of-forest-and-phylogenetic-structure-in-abandoned-cocoa-agroforestry-in-the-atlantic-forest-of-brazil
#2
Samir Gonçalves Rolim, Regina Helena Rosa Sambuichi, Götz Schroth, Marcelo Trindade Nascimento, José Manoel Lucio Gomes
Cocoa agroforests like the cabrucas of Brazil's Atlantic forest are among the agro-ecosystems with greatest potential for biodiversity conservation. Despite a global trend for their intensification, cocoa agroforests are also being abandoned for socioeconomic reasons especially on marginal sites, because they are incorporated in public or private protected areas, or are part of mandatory set-asides under Brazilian environmental legislation. However, little is known about phylogenetic structure, the processes of forest regeneration after abandonment and the conservation value of former cabruca sites...
November 25, 2016: Environmental Management
https://www.readbyqxmd.com/read/27885387/the-contribution-of-project-environmental-assessment-to-assessing-and-managing-cumulative-effects-individually-and-collectively-insignificant
#3
Bram Noble, Jialang Liu, Paul Hackett
This paper explores the opportunities and constraints to project-based environmental assessment as a means to support the assessment and management of cumulative environmental effects. A case study of the hydroelectric sector is used to determine whether sufficient information is available over time through project-by-project assessments to support an adequate understanding of cumulative change. Results show inconsistency from one project to the next in terms of the components and indicators assessed, limited transfer of baseline information between project assessments over time, and the same issues and concerns being raised by review panels-even though the projects reviewed are operating in the same watershed and operated by the same proponent...
November 25, 2016: Environmental Management
https://www.readbyqxmd.com/read/27858097/effects-of-dam-removal-on-fish-community-interactions-and-stability-in-the-eightmile-river-system-connecticut-usa
#4
Helen M Poulos, Barry Chernoff
New multivariate time-series methods have the potential to provide important insights into the effects of ecosystem restoration activities. To this end, we examined the temporal effects of dam removal on fish community interactions using multivariate autoregressive models to understand changes in fish community structure in the Eightmile River System, Connecticut, USA. We sampled fish for 6 years during the growing season; 1 year prior to, 2 years during, and for 3 years after a small dam removal event. The multivariate autoregressive analysis revealed that the site above the dam was the most reactive and least resilient sample site, followed in order by the below-dam and nearby reference site...
November 17, 2016: Environmental Management
https://www.readbyqxmd.com/read/27858096/identification-of-the-criteria-for-decision-making-of-cut-away-peatland-reuse
#5
Kadi Padur, Mati Ilomets, Tõnis Põder
The total area of abandoned milled peatlands which need to be rehabilitated for sustainable land-use is nearly 10,000 ha in Estonia. According to the agreement between Estonia and the European Union, Estonia has to create suitable conditions for restoration of 2000 ha of abandoned cut-away peatlands by 2023. The decisions on rehabilitation of abandoned milled peatlands have so far relied on a limited knowledgebase with unestablished methodologies, thus the decision making process needs a significant improvement...
November 17, 2016: Environmental Management
https://www.readbyqxmd.com/read/27848002/mangrove-and-freshwater-wetland-conservation-through-carbon-offsets-a-cost-benefit-analysis-for-establishing-environmental-policies
#6
César Vázquez-González, Patricia Moreno-Casasola, María Elizabeth Hernández, Adolfo Campos, Ileana Espejel, José Luis Fermán-Almada
Mexico has extensive coastal wetlands (4,243,137 ha), and one of its most important sites is the Alvarado Lagoon System, located in the Papaloapan River Basin on the Gulf of Mexico. The land cover dedicated to livestock and sugarcane has increased: by 25 % in 2005 and 50 % in 2010, with a loss of wetland vegetation and the carbon that it stores. We found that the Net Present Value of mangrove carbon offsets profit is equal to $5822.71, that of broad-leaved marshes is $7958.86, cattail marshes $5250.33, and forested wetlands $8369...
November 15, 2016: Environmental Management
https://www.readbyqxmd.com/read/27848001/visions-of-restoration-in-fire-adapted-forest-landscapes-lessons-from-the-collaborative-forest-landscape-restoration-program
#7
Lauren S Urgenson, Clare M Ryan, Charles B Halpern, Jonathan D Bakker, R Travis Belote, Jerry F Franklin, Ryan D Haugo, Cara R Nelson, Amy E M Waltz
Collaborative approaches to natural resource management are becoming increasingly common on public lands. Negotiating a shared vision for desired conditions is a fundamental task of collaboration and serves as a foundation for developing management objectives and monitoring strategies. We explore the complex socio-ecological processes involved in developing a shared vision for collaborative restoration of fire-adapted forest landscapes. To understand participant perspectives and experiences, we analyzed interviews with 86 respondents from six collaboratives in the western U...
November 15, 2016: Environmental Management
https://www.readbyqxmd.com/read/27848000/effects-of-post-fire-plant-cover-in-the-performance-of-two-cordilleran-cypress-austrocedrus-chilensis-seedling-stocktypes-planted-in-burned-forests-of-northeastern-patagonia-argentina
#8
María F Urretavizcaya, Héctor E Gonda, Guillermo E Defossé
Cordilleran cypress (Austrocedrus chilensis [D.Don] Pic. Serm. et Bizarri) forests occupy 140,000 ha along a sharp environmental gradient of central Andean-Patagonia in Argentina. Every summer, about 3200 ha of these forests are affected by wildfires, taking thereafter long time to recover. To accelerate forest recovery, we determined in xeric and mesic cypress stands burned 5 and 2 year before whether survival and growth of two planted cypress seedling stocktypes are affected by plant cover and contrasting precipitation conditions...
November 15, 2016: Environmental Management
https://www.readbyqxmd.com/read/27838769/how-can-high-biodiversity-coffee-make-it-to-the-mainstream-market-the-performativity-of-voluntary-sustainability-standards-and-outcomes-for-coffee-diversification
#9
Cecilia Solér, Cecilia Sandström, Hanna Skoog
This article investigates the outcomes of mainstream coffee voluntary sustainability standards for high-biodiversity coffee diversification. By viewing voluntary sustainability standards certifications as performative marketing tools, we address the question of how such certification schemes affect coffee value creation based on unique biodiversity conservation properties in coffee farming. To date, the voluntary sustainability standards literature has primarily approached biodiversity conservation in coffee farming in the context of financial remuneration to coffee farmers...
November 12, 2016: Environmental Management
https://www.readbyqxmd.com/read/27838768/fine-and-coarse-scale-patterns-of-vegetation-diversity-on-reclaimed-surface-mine-land-over-a-40-year-chronosequence
#10
Stefanie L Bohrer, Ryan F Limb, Aaron L Daigh, Jay M Volk, Abbey F Wick
Rangelands are described as heterogeneous, due to patterning in species assemblages and productivity that arise from species dispersal and interactions with environmental gradients and disturbances across multiple scales. The objectives of rangeland reclamation are typically vegetation establishment, plant community productivity, and soil stability. However, while fine-scale diversity is often promoted through species-rich seed mixes, landscape heterogeneity and coarse-scale diversity are largely overlooked...
November 12, 2016: Environmental Management
https://www.readbyqxmd.com/read/27826695/stable-isotopes-reveal-nitrogen-loading-to-lake-tanganyika-from-remote-shoreline-villages
#11
Brianne Kelly, Emmanuel Mtiti, Peter B McIntyre, Yvonne Vadeboncoeur
Access to safe water is an ongoing challenge in rural areas in Tanzania where communities often lack access to improved sanitation. Methods to detect contamination of surface water bodies, such as monitoring nutrient concentrations and bacterial counts, are time consuming and results can be highly variable in space and time. On the northeast shore of Lake Tanganyika, Tanzania, the low population density coupled with the high potential for dilution in the lake necessitates the development of a sensitive method for detecting contamination in order to avoid human health concerns...
November 8, 2016: Environmental Management
https://www.readbyqxmd.com/read/27826694/assessment-of-the-spatial-distribution-of-metal-oid-s-in-soils-around-an-abandoned-pb-smelter-plant
#12
Nielson Machado Dos Santos, Clístenes Williams Araújo do Nascimento, Jörg Matschullat, Ricardo Alves de Olinda
Todos os Santos (All Saints) Bay area, NE-Brazil, is known for one of the most important cases of urban lead (Pb) contamination in the world. The main objective of this work was to assess and interpret the spatial distribution of As, Cd, Hg, Pb, and Zn in "background" soils of this environmentally impacted bay area, using a combination of geostatistical and multivariate analytical methods to distinguish between natural and anthropogenic sources of those metal(oid)s in soils. We collected 114 topsoil samples (0...
November 8, 2016: Environmental Management
https://www.readbyqxmd.com/read/27826693/effectiveness-of-wyoming-s-sage-grouse-core-areas-influences-on-energy-development-and-male-lek-attendance
#13
R Scott Gamo, Jeffrey L Beck
Greater sage-grouse (Centrocercus urophasianus) populations have declined across their range due to human-assisted factors driving large-scale habitat change. In response, the state of Wyoming implemented the Sage-grouse Executive Order protection policy in 2008 as a voluntary regulatory mechanism to minimize anthropogenic disturbance within defined sage-grouse core population areas. Our objectives were to evaluate areas designated as Sage-grouse Executive Order Core Areas on: (1) oil and gas well pad development, and (2) peak male lek attendance in core and non-core sage-grouse populations...
November 8, 2016: Environmental Management
https://www.readbyqxmd.com/read/27826692/lessons-learned-from-an-industry-government-and-university-collaboration-to-restore-stream-habitats-and-mitigate-effects
#14
Nicholas E Jones, Garry J Scrimgeour, William M Tonn
Restoration ecologists conduct both basic and applied research using a diversity of funding and collaborative models. Over the last 17 years we have assessed the effectiveness of a stream compensation project in Canada's north, where an independent university-based research program was a condition of the regulatory approval process. This resulted in a non-traditional university-government-industry partnership. Here we share seven lessons that we learned from our collective experiences with the research partnership and use the Ekati diamond mine as a case study to illustrate and support lessons learned...
November 8, 2016: Environmental Management
https://www.readbyqxmd.com/read/27812797/adaptive-management-as-an-effective-strategy-interdisciplinary-perceptions-for-natural-resources-management
#15
Lindsay M Dreiss, Jan-Michael Hessenauer, Lucas R Nathan, Kelly M O'Connor, Marjorie R Liberati, Danielle P Kloster, Janet R Barclay, Jason C Vokoun, Anita T Morzillo
Adaptive management is a well-established approach to managing natural resources, but there is little evidence demonstrating effectiveness of adaptive management over traditional management techniques. Peer-reviewed literature attempts to draw conclusions about adaptive management effectiveness using social perceptions, but those studies are largely restricted to employees of US federal organizations. To gain a more comprehensive insight into perceived adaptive management effectiveness, this study aimed to broaden the suite of disciplines, professional affiliations, and geographic backgrounds represented by both practitioners and scholars...
November 3, 2016: Environmental Management
https://www.readbyqxmd.com/read/27812796/constraints-on-development-of-wind-energy-in-poland-due-to-environmental-objectives-is-there-space-in-poland-for-wind-farm-siting
#16
Małgorzata Hajto, Zdzisław Cichocki, Małgorzata Bidłasik, Jan Borzyszkowski, Agnieszka Kuśmierz
The objective of the study was to evaluate spatial effects of adopting environmental criteria for wind farm siting, i.e., the criteria related to the settlement system and those with regards to landscape values. The set of criteria was elaborated on the basis of literature and experience-based knowledge. Some of the criteria selected are legally binding. The analyses were carried out with the use of GIS tools. Settlement areas with 1000 and 2000 m wide buffer zones, and the areas with the highest landscape values, were assumed as particularly sensitive receptors to wind farm impacts...
November 3, 2016: Environmental Management
https://www.readbyqxmd.com/read/27812795/accounting-for-the-impact-of-management-scenarios-on-typha-domingensis-cattail-in-an-everglades-wetland
#17
Gareth Lagerwall, Gregory Kiker, Rafael Muñoz-Carpena, Naiming Wang
The coupled regional simulation model, and the transport and reaction simulation engine were recently adapted to simulate ecology, specifically Typha domingensis (Cattail) dynamics in the Everglades. While Cattail is a native Everglades species, it has become invasive over the years due to an altered habitat over the last few decades, taking over historically Cladium jamaicense (Sawgrass) areas. Two models of different levels of algorithmic complexity were developed in previous studies, and are used here to determine the impact of various management decisions on the average Cattail density within Water Conservation Area 2A in the Everglades...
November 3, 2016: Environmental Management
https://www.readbyqxmd.com/read/27812794/are-urban-stream-restoration-plans-worth-implementing
#18
Auri Sarvilinna, Virpi Lehtoranta, Turo Hjerppe
To manage and conserve ecosystems in a more sustainable way, it is important to identify the importance of the ecosystem services they provide and understand the connection between natural and socio-economic systems. Historically, streams have been an underrated part of the urban environment. Many of them have been straightened and often channelized under pressure of urbanization. However, little knowledge exists concerning the economic value of stream restoration or the value of the improved ecosystem services...
November 3, 2016: Environmental Management
https://www.readbyqxmd.com/read/27796488/the-cattle-wolf-dilemma-interactions-among-three-protected-species
#19
Nir Becker, Yanay Farja
This paper utilizes economic valuation to offer a new perspective on livestock rancher-predator conflicts. While most studies have considered losses to the species directly involved, i.e., cattle and wolves (Canis lupus), we take into account other species that are threatened by efforts to protect livestock. In this case, vultures (Gyps fulvus) and gazelles (Gazella gazella), both endangered species, are either poisoned (vultures) or suffer from habitat fragmentation (gazelles) in the Upper Galilee region in Israel...
October 28, 2016: Environmental Management
https://www.readbyqxmd.com/read/27796487/participatory-multi-criteria-evaluation-methods-as-a-means-to-increase-the-legitimacy-and-sustainability-of-land-use-planning-processes-the-case-of-the-chaco-region-in-salta-argentina
#20
Lucas Seghezzo, Cristian Venencia, E Catalina Buliubasich, Martín A Iribarnegaray, José N Volante
Conflicts over land use and ownership are common in South America and generate frequent confrontations among indigenous peoples, small-scale farmers, and large-scale agricultural producers. We argue in this paper that an accurate identification of these conflicts, together with a participatory evaluation of their importance, will increase the social legitimacy of land use planning processes, rendering decision-making more sustainable in the long term. We describe here a participatory, multi-criteria conflict assessment model developed to identify, locate, and categorize land tenure and use conflicts...
October 28, 2016: Environmental Management
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