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Träfflista för sökning "WFRF:(Ostwald Madelene 1966) srt2:(2010-2014)"

Sökning: WFRF:(Ostwald Madelene 1966) > (2010-2014)

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1.
  • Englund, Oskar, 1982, et al. (författare)
  • Environmental Impact Assessments: Suitable for supporting assessments of biofuel sustainability?
  • 2011
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • The European Union requires that 10% of the energy in the transport sector shall come from renewable sources by 2020. In addition, biofuels used for transport need to fulfill certain sustainability requirements set out in the Renewable Energy Directive (RED). To meet these requirements, the EU will need to produce and import large amounts of sustainable biofuels. Therefore, there is a need for ways to verify the sustainability of imported biofuels, so that unsustainable biofuels can be avoided. One strategy may involve analyzing Environmental Impact Assessment (EIA) reports (EIRs) conducted for specific biofuel projects. For EIRs to be useful as such information sources they need to be sufficiently comprehensive in relation to the RED but also sufficiently reliable.In this study, 19 biofuel project EIRs are analyzed with respect to how they cover the RED sustainability considerations. In addition, EIA legislation, requirements, quality, and enforcement are discussed to determine not only whether EIRs can be sufficiently comprehensive, but also sufficiently reliable for supporting information to studies intended to assess the sustainability of biofuels, from an RED perspective.Notable differences between EIRs for different types of projects were found. EIRs for projects including both plantation establishment and the construction of a biofuel plant had better RED coverage than EIRs for projects including either the plantations or the biofuel plant. As might be expected, EIAs for “plantation projects” generally leave out features related to biofuel processing, and EIAs for “biofuel plant” projects generally leave out features related to feedstock production.In general, EIA legislation is insufficient and most target countries seem to have rather low potential to enforce legislation. Several additional EIA-related problems need to be overcome in order for EIRs to be regarded as sufficiently reliable information tools.
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2.
  • Rootzén, Johan, 1978, et al. (författare)
  • Carbon Sequestration Versus Bioenergy: A Case Study From South India Exploring The Relative Land Use Efficiency Of Two Options For Climate Change Mitigation
  • 2010
  • Ingår i: Biomass & Bioenergy. - : Elsevier BV. - 0961-9534 .- 1873-2909. ; 34:1, s. 116-123
  • Tidskriftsartikel (refereegranskat)abstract
    • This case study has been carried out as a comparison between two different land-use strategies for climate change mitigation, with possible application within the Clean Development Mechanisms. The benefits of afforestation for carbon sequestration versus for bioenergy production are compared in the context of development planning to meet increasing domestic and agricultural demand for electricity in Hosahalli village, Karnataka, India. One option is to increase the local biomass based electricity generation, requiring an increased biomass plantation area. This option is compared with fossil based electricity generation where the area is instead used for producing wood for non-energy purposes while also sequestering carbon in the soil and standing biomass. The different options have been assessed using the PRO-COMAPmodel. The ranking of the different options varies depending on the system boundaries and time period. Results indicate that, in the short term (30 years) perspective, the mitigation potential of the long rotation plantation is largest, followed by the short rotation plantation delivering wood for energy. The bioenergy option is however preferred if a long-term view is taken. Short rotation forests delivering wood for short-lived non-energy products have the smallest mitigation potential, unless a large share of the wood products are used for energy purposes (replacing fossil fuels) after having served their initial purpose. If managed in a sustainable manner all of these strategies can contribute to the improvement of the social and environmental situation of the local community.
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3.
  • Axelsson, Lisa, 1984, et al. (författare)
  • Jatropha cultivation in southern India: assessing farmers experiences
  • 2012
  • Ingår i: Biofuels, Bioproducts and Biorefining. - : John Wiley and Sons. - 1932-104X .- 1932-1031. ; 6:3, s. 246-256
  • Tidskriftsartikel (refereegranskat)abstract
    • Together with 106 farmers who started growing Jatropha (Jatropha curcas L.) in 20042006, this research sought to increase the knowledge around the real-life experience of Jatropha farming in the southern India states of Tamil Nadu and Andhra Pradesh. Launched as an alternative for diesel in India, Jatropha has been promoted as a non-edible plant that could grow on poor soils, yield oil-rich seeds for production of bio-diesel, and not compete directly with food production. Through interviews with the farmers, information was gathered regarding their socio-economic situation, the implementation and performance of their Jatropha plantations, and their reasons for continuing or discontinuing Jatropha cultivation. Results reveal that 82% of the farmers had substituted former cropland for their Jatropha cultivation. By 2010, 85% (n = 90) of the farmers who cultivated Jatropha in 2004 had stopped. Cultivating the crop did not give the economic returns the farmers anticipated, mainly due to a lack of information about the crop and its maintenance during cultivation and due to water scarcity. A majority of the farmers irrigated and applied fertilizer, and even pesticides. Many problems experienced by the farmers were due to limited knowledge about cultivating Jatropha caused by poor planning and implementation of the national Jatropha program. Extension services, subsidies, and other support were not provided as promised. The farmers who continued cultivation had means of income other than Jatropha and held hopes of a future Jatropha market. The lack of market structures, such as purchase agreements and buyers, as well as a low retail price for the seeds, were frequently stated as barriers to Jatropha cultivation. For Jatropha biodiesel to perform well, efforts are needed to improve yield levels and stability through genetic improvements and drought tolerance, as well as agriculture extension services to support adoption of the crop. Government programs will -probably be more effective if implementing biodiesel production is conjoined with stimulating the demand for Jatropha biodiesel. To avoid food-biofuel competition, additional measures may be needed such as land-use restrictions for Jatropha producers and taxes on biofuels or biofuel feedstocks to improve the competitiveness of the food sector compared to the bioenergy sector.
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4.
  • Axelsson, Lisa, et al. (författare)
  • Performance of Jatropha biodiesel production and its environmental and socio-economic impact – A case study in Southern India
  • 2011
  • Ingår i: World Renewable Energy Congress 2011. - Linköping : Linköping University Electronic Press. - 9789173930703 ; , s. 2470-2477
  • Konferensbidrag (refereegranskat)abstract
    •  In India expectations have been high on production of biodiesel from the oil-crop Jatropha. Jatropha is promoted as a drought- and pest-resistant crop, with the potential to grow on degraded soil with a low amount of inputs. These characteristics encourage hope for positive environmental and socio-economic impacts from Jatropha biodiesel production. The purpose of this study was to explore the performance of Jatropha biodiesel production in Southern India, to identify motivational factors for continued Jatropha cultivation, and to assess environmental and socio-economic impacts of the Jatropha biodiesel production. 106 farmers who have or have had Jatropha plantations were visited and interviewed regarding their opinion of Jatropha cultivation. The result indicates that 85 percent of the farmers have discontinued cultivation of Jatropha. The main barriers to continued cultivation derive from ecological problems, economic losses, and problems in the development and execution of the governmental implementation of the Jatropha programme. The Jatropha characteristics were overrated, and the plantations failed to provide income to the farmer. A common factor for the farmers who continued Jatropha cultivation was that they had the economic means to maintain non-profitable plantations. As the Jatropha programme was not as successful as expected, the expected positive environmental and socio-economic impacts have not been realized.
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5.
  • Cederberg, Christel, et al. (författare)
  • Remissvar till Näringsdepartementet - Förändrad markanvändning kan skapa bieffekter
  • 2013
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Detta brief baserar sig på ett remissvar till Näringsdepartementet. Remissvaret i februari 2013 kom som följd av Näringsdepartementets inbjudan till remiss på Europeiska kommissionens förslag till Europaparlamentets och rådets direktiv om ändringar av direktiv 98/70/EG om kvaliteten på bensin och dieselbränslen och om ändring av direktiv 2009/28/EG om främjande av användning av energi från förnybara energikällor. Svaret hanterar främst förslaget utifrån hur biodrivmedelsproduktion påverkar markanvändning både direkt och indirekt genom s.k “Indirect Land Use Change” (ILUC). 
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6.
  • Henders, Sabine, et al. (författare)
  • Accounting methods for international land-related leakage and distant deforestation drivers
  • 2014
  • Ingår i: Ecological Economics. - : Elsevier BV. - 0921-8009 .- 1873-6106. ; 99, s. 21-28
  • Forskningsöversikt (refereegranskat)abstract
    • International agricultural trade flows are increasingly important as distant drivers in global land-use changes, creating teleconnections between geographically separated locations of consumption and production. Land- use displacement and associated carbon emissions can undermine the effectiveness of land-use and climate pol- icies, such as activities to reduce emissions from deforestation and forest degradation (REDD). Nevertheless, few accounting methods exist for international emissions leakage from land-use change, due to methodological and policy challenges. In this paper we review methods to quantify international land-use displacement and teleconnections through international trade. Weaknesses and strengths of those methods are assessed as well as the conclusiveness of results. We identify limitations and potential ways forward for the quantification of land-related leakage in general, while highlighting implications for REDD-leakage accounting in particular. Re- sults show that land-related leakage assessments are facilitated by applying a weak leakage definition, without the requirement to demonstrate causal leakage effects. Suitable quantification approaches combine method ele- ments such as economic modeling, trade-flow analysis, biophysical accounting and life-cycle assessments. De- pending on the use of monetary or physical input data the results can change considerably. All reviewed methods face limitations such as uncertainties and data gaps in emission factors.
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7.
  • Henders, Sabine, et al. (författare)
  • Forest Carbon Leakage Quantification Methods and Their Suitability for Assessing Leakage in REDD
  • 2012
  • Ingår i: Forests. - Geneva, Switzerland : MDPI AG. - 1999-4907. ; 3:1, s. 33-58
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper assesses quantification methods for carbon leakage from forestry activities for their suitability in leakage accounting in a future Reducing Emissions from Deforestation and Forest Degradation (REDD) mechanism. To that end, we first conducted a literature review to identify specific pre-requisites for leakage assessment in REDD. We then analyzed a total of 34 quantification methods for leakage emissions from the Clean Development Mechanism (CDM), the Verified Carbon Standard (VCS), the Climate Action Reserve (CAR), the CarbonFix Standard (CFS), and from scientific literature sources. We screened these methods for the leakage aspects they address in terms of leakage type, tools used for quantification and the geographical scale covered. Results show that leakage methods can be grouped into nine main methodological approaches, six of which could fulfill the recommended REDD leakage requirements if approaches for primary and secondary leakage are combined. The majority of methods assessed, address either primary or secondary leakage; the former mostly on a local or regional and the latter on national scale. The VCS is found to be the only carbon accounting standard at present to fulfill all leakage quantification requisites in REDD. However, a lack of accounting methods was identified for international leakage, which was addressed by only two methods, both from scientific literature.
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8.
  • Henders, Sabine, et al. (författare)
  • Guyana - Norway REDD+ agreement Payments based on performance - or politics?
  • 2013
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • The second audit of Guyana’s progress under the Norway-Guyana REDD+ agreement was completed in December 2012. It found that seven out of ten verification indicators were not or only partially met. Nevertheless, the Norwegian government allocated additional funds of 45 million USD to Guyana due to “continued improvements”. Focali has written about the debated bilateral agreement between Norway and Guyana earlier (Focali Brief 2010:01 & 2011:01) and is now revisiting the process.
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9.
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10.
  • Karlson, Martin, et al. (författare)
  • Tree Crown Mapping in Managed Woodlands (Parklands) of Semi-Arid West Africa Using WorldView-2 Imagery and Geographic Object Based Image Analysis
  • 2014
  • Ingår i: Sensors. - Basel : MDPI AG. - 1424-8220 .- 1424-3210. ; 14:12, s. 22643-22669
  • Tidskriftsartikel (refereegranskat)abstract
    • Detailed information on tree cover structure is critical for research and monitoring programs targeting African woodlands, including agroforestry parklands. High spatial resolution satellite imagery represents a potentially effective alternative to field-based surveys, but requires the development of accurate methods to automate information extraction. This study presents a method for tree crown mapping based on Geographic Object Based Image Analysis (GEOBIA) that use spectral and geometric information to detect and delineate individual tree crowns and crown clusters. The method was implemented on a WorldView-2 image acquired over the parklands of Saponé, Burkina Faso, and rigorously evaluated against field reference data. The overall detection rate was 85.4% for individual tree crowns and crown clusters, with lower accuracies in areas with high tree density and dense understory vegetation. The overall delineation error (expressed as the difference between area of delineated object and crown area measured in the field) was 45.6% for individual tree crowns and 61.5% for crown clusters. Delineation accuracies were higher for medium (35–100 m2) and large (?100 m2) trees compared to small (
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