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Environmental Management

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https://www.readbyqxmd.com/read/28429061/natural-resource-management-schemes-as-entry-points-for-integrated-landscape-approaches-evidence-from-ghana-and-burkina-faso
#1
Samson Foli, Mirjam A F Ros-Tonen, James Reed, Terry Sunderland
In recognition of the failures of sectoral approaches to overcome global challenges of biodiversity loss, climate change, food insecurity and poverty, scientific discourse on biodiversity conservation and sustainable development is shifting towards integrated landscape governance arrangements. Current landscape initiatives however very much depend on external actors and funding, raising the question of whether, and how, and under what conditions, locally embedded resource management schemes can serve as entry points for the implementation of integrated landscape approaches...
April 20, 2017: Environmental Management
https://www.readbyqxmd.com/read/28424880/herbicide-toxicity-testing-with-non-target-boreal-plants-the-sensitivity-of-achillea-millefolium-l-and-chamerion-angustifolium-l-to-triclopyr-and-imazapyr
#2
Krystal M Isbister, Eric G Lamb, Katherine J Stewart
Terrestrial plant toxicity tests were conducted to determine the sensitivity of two boreal plants, yarrow (Achillea millefolium L.) and fireweed (Chamerion angustifolium L.), to the herbicides imazapyr and triclopyr. Both plants are common non-target species on northern powerline rights-of-way where the impacts of proposed herbicide applications are of concern. In the vegetative vigour test, triclopyr foliar spray caused extensive damage to A. millefolium at <50% of the maximum field application rate (inhibition concentration (IC)50 = 1443...
April 19, 2017: Environmental Management
https://www.readbyqxmd.com/read/28424879/drinking-water-management-and-governance-in-canada-an-innovative-plan-do-check-act-pdca-framework-for-a-safe-drinking-water-supply
#3
Ty Bereskie, Manuel J Rodriguez, Rehan Sadiq
Drinking water management in Canada is complex, with a decentralized, three-tiered governance structure responsible for safe drinking water throughout the country. The current approach has been described as fragmented, leading to governance gaps, duplication of efforts, and an absence of accountability and enforcement. Although there have been no major waterborne disease outbreaks in Canada since 2001, a lack of performance improvement, especially in small drinking water systems, is evident. The World Health Organization water safety plan approach for drinking water management represents an alternative preventative management framework to the current conventional, reactive drinking water management strategies...
April 19, 2017: Environmental Management
https://www.readbyqxmd.com/read/28421268/using-a-population-model-to-inform-the-management-of-river-flows-and-invasive-carp-cyprinus-carpio
#4
John D Koehn, Charles R Todd, Brenton P Zampatti, Ivor G Stuart, Anthony Conallin, Leigh Thwaites, Qifeng Ye
Carp are a highly successful invasive fish species, now widespread, abundant and considered a pest in south-eastern Australia. To date, most management effort has been directed at reducing abundances of adult fish, with little consideration of population growth through reproduction. Environmental water allocations are now an important option for the rehabilitation of aquatic ecosystems, particularly in the Murray-Darling Basin. As carp respond to flows, there is concern that environmental watering may cause floodplain inundation and provide access to spawning habitats subsequently causing unwanted population increase...
April 18, 2017: Environmental Management
https://www.readbyqxmd.com/read/28421267/potential-distribution-of-mountain-cloud-forest-in-michoac%C3%A3-n-mexico-prioritization-for-conservation-in-the-context-of-landscape-connectivity
#5
Camilo A Correa Ayram, Manuel E Mendoza, Andrés Etter, Diego R Pérez Salicrup
Landscape connectivity is essential in biodiversity conservation because of its ability to reduce the effect of habitat fragmentation; furthermore is a key property in adapting to climate change. Potential distribution models and landscape connectivity studies have increased with regard to their utility to prioritizing areas for conservation. The objective of this study was to model the potential distribution of Mountain cloud forests in the Transversal Volcanic System, Michoacán and to analyze the role of these areas in maintaining landscape connectivity...
April 18, 2017: Environmental Management
https://www.readbyqxmd.com/read/28417159/endangered-mangroves-in-segara-anakan-indonesia-effective-and-failed-problem-solving-policy-advice
#6
Budi Dharmawan, Michael Böcher, Max Krott
The success of scientific knowledge transfer depends on if the decision maker can transform the scientific advice into a policy that can be accepted by all involved actors. We use a science-policy interactions model called research-integration-utilization to observe the process of scientific knowledge transfer in the case of endangered mangroves in Segara Anakan, Indonesia. Scientific knowledge is produced within the scientific system (research), science-based solutions to problems are practically utilized by political actors (utilization), and important links between research and utilization must be made (integration)...
April 17, 2017: Environmental Management
https://www.readbyqxmd.com/read/28412766/integrative-governance-of-environmental-water-in-australia-s-murray-darling-basin-evolving-challenges-and-emerging-pathways
#7
Zachary Bischoff-Mattson, Amanda H Lynch
Integration, a widely promoted response to the multi-scale complexities of social-environmental sustainability, is diversely and sometimes poorly conceptualized. In this paper we explore integrative governance, which we define as an iterative and contextual process for negotiating and advancing the common interest. We ground this definition in a discussion of institutional factors conditioning integrative governance of environmental water in Australia's Murray-Darling Basin. The Murray-Darling Basin is an iconic system of social-ecological complexity, evocative of large-scale conservation challenges in other developed arid river basins...
April 15, 2017: Environmental Management
https://www.readbyqxmd.com/read/28412765/advanced-value-chain-collaboration-in-ghana-s-cocoa-sector-an-entry-point-for-integrated-landscape-approaches
#8
Howard Deans, Mirjam A F Ros-Tonen, Mercy Derkyi
Value chain analyses have focused mainly on collaboration between chain actors, often neglecting collaboration "beyond the chain" with non-chain actors to tackle food security, poverty and sustainability issues in the landscapes in which these value chains are embedded. Comparing conventional and advanced value chain collaborations involving small-scale cocoa farmers in Ghana, this paper analyzes the merits of a more integrated approach toward value chain collaboration. It particularly asks whether advanced value chain collaboration targeting cocoa-producing areas potentially offers an entry point for implementing a landscape approach...
April 15, 2017: Environmental Management
https://www.readbyqxmd.com/read/28412764/how-networks-of-informal-trails-cause-landscape-level-damage-to-vegetation
#9
Agustina Barros, Catherine Marina Pickering
When visitors are not constrained to remain on formal trails, informal trail networks can develop and damage plant communities in protected areas. These networks can form in areas with low growing vegetation, where formal trails are limited, where there is limited regulation and where vegetation is slow to recover once disturbed. To demonstrate the extent of impacts from unregulated recreational use, we assessed damage to alpine vegetation by hikers and pack animals in the highest protected area in the southern Hemisphere: Aconcagua Park, in the Andes...
April 15, 2017: Environmental Management
https://www.readbyqxmd.com/read/28405754/local-government-capacity-to-respond-to-environmental-change-insights-from-towns-in-new-york-state
#10
Lincoln R Larson, T Bruce Lauber, David L Kay, Bethany B Cutts
Local governments attempting to respond to environmental change face an array of challenges. To better understand policy responses and factors influencing local government capacity to respond to environmental change, we studied three environmental issues affecting rural or peri-urban towns in different regions of New York State: climate change in the Adirondacks (n = 63 towns), loss of open space due to residential/commercial development in the Hudson Valley (n = 50), and natural gas development in the Southern Tier (n = 62)...
April 12, 2017: Environmental Management
https://www.readbyqxmd.com/read/28405753/relationships-between-land-use-and-stream-nutrient-concentrations-in-a-highly-urbanized-tropical-region-of-brazil-thresholds-and-riparian-zones
#11
F Tromboni, W K Dodds
Nutrient enrichment in streams due to land use is increasing globally, reducing water quality and causing eutrophication of downstream fresh and coastal waters. In temperate developed countries, the intensive use of fertilizers in agriculture is a main driver of increasing nutrient concentrations, but high levels and fast rates of urbanization can be a predominant issue in some areas of the developing world. We investigated land use in the highly urbanized tropical State of Rio de Janeiro, Brazil. We collected total nitrogen, total phosphorus, and inorganic nutrient data from 35 independent watersheds distributed across the State and characterized land use at a riparian and entire watershed scales upstream from each sample station, using ArcGIS...
April 12, 2017: Environmental Management
https://www.readbyqxmd.com/read/28396912/forest-edge-regrowth-typologies-in-southern-sweden-relationship-to-environmental-characteristics-and-implications-for-management
#12
Björn Wiström, Anders Busse Nielsen
After two major storms, the Swedish Transport Administration was granted permission in 2008 to expand the railroad corridor from 10 to 20 m from the rail banks, and to clear the forest edges in the expanded area. In order to evaluate the possibilities for managers to promote and control the species composition of the woody regrowth so that a forest edge with a graded profile develops over time, this study mapped the woody regrowth and environmental variables at 78 random sites along the 610-km railroad between Stockholm and Malmö four growing seasons after the clearing was implemented...
April 10, 2017: Environmental Management
https://www.readbyqxmd.com/read/28386746/river-bank-erosion-and-the-influence-of-environmental-flow-management
#13
Geoff J Vietz, Anna Lintern, J Angus Webb, David Straccione
Environmental flows aim to influence river hydrology to provide appropriate physical conditions for ecological functioning within the restrictions of flow regulation. The hydrologic characteristics of flow events, however, may also lead to unintended morphologic effects in rivers, such as increases in riverbank erosion beyond natural rates. This may negatively impact habitat for biota, riparian infrastructure, and land use. Strategic environmental flow delivery linked to monitoring and adaptive management can help mitigate risks...
April 6, 2017: Environmental Management
https://www.readbyqxmd.com/read/28386745/how-local-landholder-groups-collectively-manage-weeds-in-south-eastern-australia
#14
Sonia Graham, Sarah Rogers
For two decades researchers and policy makers have been arguing that community-based collective action is needed to effectively control weeds. Yet there has been little social research into the ways that collective weed control emerges at local scales. The aim of this paper is to investigate the mechanisms through which three local landholder groups in south-eastern Australia collectively manage weeds and the measures they use to evaluate success. Semi-structured interviews were conducted with members of three Landcare groups-Jerrawa Creek/Upper Lachlan, MacLaughlin River and Towamba Valley-as well as government staff external to the groups...
April 6, 2017: Environmental Management
https://www.readbyqxmd.com/read/28382488/micro-credit-and-community-wildlife-management-complementary-strategies-to-improve-conservation-outcomes-in-serengeti-national-park-tanzania
#15
Emmanuel Kaaya, Margaret Chapman
Community wildlife management programs in African protected areas aim to deliver livelihood and social benefits to local communities in order to bolster support for their conservation objectives. Most of these benefits are delivered at the community level. However, many local people are also seeking more individual or household-level livelihood benefits from community wildlife management programs because it is at this level that many of the costs of protected area conservation are borne. Because community wildlife management delivers few benefits at this level, support for their conservation objectives amongst local people often declines...
April 5, 2017: Environmental Management
https://www.readbyqxmd.com/read/28378091/how-misapplication-of-the-hydrologic-unit-framework-diminishes-the-meaning-of-watersheds
#16
James M Omernik, Glenn E Griffith, Robert M Hughes, James B Glover, Marc H Weber
Hydrologic units provide a convenient but problematic nationwide set of geographic polygons based on subjectively determined subdivisions of land surface areas at several hierarchical levels. The problem is that it is impossible to map watersheds, basins, or catchments of relatively equal size and cover the whole country. The hydrologic unit framework is in fact composed mostly of watersheds and pieces of watersheds. The pieces include units that drain to segments of streams, remnant areas, noncontributing areas, and coastal or frontal units that can include multiple watersheds draining to an ocean or large lake...
April 4, 2017: Environmental Management
https://www.readbyqxmd.com/read/28374227/predicting-the-influence-of-streamflow-on-migration-and-spawning-of-a-threatened-diadromous-fish-the-australian-grayling-prototroctes-maraena
#17
W M Koster, D A Crook, D R Dawson, S Gaskill, J R Morrongiello
The development of effective strategies to restore the biological functioning of aquatic ecosystems with altered flow regimes requires a detailed understanding of flow-ecology requirements, which is unfortunately lacking in many cases. By understanding the flow conditions required to initiate critical life history events such as migration and spawning, it is possible to mitigate the threats posed by regulated river flow by providing targeted environmental flow releases from impoundments. In this study, we examined the influence of hydrological variables (e...
April 3, 2017: Environmental Management
https://www.readbyqxmd.com/read/28374226/simulation-of-optimal-decision-making-under-the-impacts-of-climate-change
#18
Lea Ravnkilde Møller, Martin Drews, Morten Andreas Dahl Larsen
Climate change causes transformations to the conditions of existing agricultural practices appointing farmers to continuously evaluate their agricultural strategies, e.g., towards optimising revenue. In this light, this paper presents a framework for applying Bayesian updating to simulate decision-making, reaction patterns and updating of beliefs among farmers in a developing country, when faced with the complexity of adapting agricultural systems to climate change. We apply the approach to a case study from Ghana, where farmers seek to decide on the most profitable of three agricultural systems (dryland crops, irrigated crops and livestock) by a continuous updating of beliefs relative to realised trajectories of climate (change), represented by projections of temperature and precipitation...
April 3, 2017: Environmental Management
https://www.readbyqxmd.com/read/28374225/energy-development-in-colorado-s-pawnee-national-grasslands-mapping-and-measuring-the-disturbance-footprint-of-renewables-and-non-renewables
#19
Chris W Baynard, Ksenya Mjachina, Robert D Richardson, Robert W Schupp, J David Lambert, Alexander A Chibilyev
This paper examines the pattern and extent of energy development in steppe landscapes of northeast Colorado, United States. We compare the landscape disturbance created by oil and gas production to that of wind energy inside the Pawnee National Grasslands eastern side. This high-steppe landscape consists of a mosaic of federal, state, and private lands where dominant economic activities include ranching, agriculture, tourism, oil and gas extraction, and wind energy generation. Utilizing field surveys, remote sensing data and geographic information systems techniques, we quantify and map the footprint of energy development at the landscape level...
April 3, 2017: Environmental Management
https://www.readbyqxmd.com/read/28349191/a-risk-based-ecohydrological-approach-to-assessing-environmental-flow-regimes
#20
Glenn B Mcgregor, Jonathan C Marshall, Jaye S Lobegeiger, Dean Holloway, Norbert Menke, Julie Coysh
For several decades there has been recognition that water resource development alters river flow regimes and impacts ecosystem values. Determining strategies to protect or restore flow regimes to achieve ecological outcomes is a focus of water policy and legislation in many parts of the world. However, consideration of existing environmental flow assessment approaches for application in Queensland identified deficiencies precluding their adoption. Firstly, in managing flows and using ecosystem condition as an indicator of effectiveness, many approaches ignore the fact that river ecosystems are subjected to threatening processes other than flow regime alteration...
March 27, 2017: Environmental Management
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