Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Amazon rainforest"”.
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Trees and people : an anthropology of British campaigners for the Amazon Rainforest
… campaigners and campaigns for the Brazilian Amazon rainforest in the 1990s. It is the result of over two and a half years investigation amongst campaigners in environmental, social and human rights organisations in the UK. My approach combines different theoretical and methodological …
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Volatile organic compound fluxes and mixing ratios in two contrasting atmospheric environments : London and the Amazon rainforest
… environments: central London and the Brazilian Amazon. VOC concentrations were quantified by proton transfer reaction-mass spectrometry and fluxes were calculated using the virtual disjunct eddy covariance method over a period of several months at sites in central London and the Amazon …
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Reflecting on capabilities and interactions between designers and local producers: through the materiality of the rubber from the Amazon rainforest
… own experiences of researching and working with Amazon rainforest rubber-tapping communities which have adopted new production methods in order to acquire new capabilities and help conserve their environment. Two case studies illustrate the reflective methodology applied to the designer and …
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Reflecting on capabilities and interactions between designers and local producers through the materiality of the rubber from the Amazon rainforest
… own experiences of researching and working with Amazon rainforest rubber-tapping communities which have adopted new production methods in order to acquire new capabilities and help conserve their environment. Two case studies illustrate the reflective methodology applied to the designer and …
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Rise of mercury emissions in the Amazon rainforest: an evaluation of artisanal and small-scale gold mining and biomass burning sources
… operations. These activities, prevalent in the Amazon rainforest, are driven by agricultural and cattle ranching expansion and rising international gold prices, respectively. Although there are indications of increasing ASGM activities in the Amazon, there are no studies of corresponding mercury …
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A New Method for Melt Detection on Antarctic Ice-Shelves and Scatterometer Calibration Verification
… This model is applied to selected regions of the Amazon rainforest and the Sahara desert. It is shown that the two sensors are well calibrated. Additionally, evidence of a previously presumed diurnal cycle in the Amazon rainforest backscatter is given.</p>
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The Role of the State, Multinational Oil Companies, International Law & the International Community: Intersection of Human Rights & Environmental Degradation Climate change in the 21st Century caused by Traditional Extractive Practices, The Amazon Rainforest, Indigenous People and Universal Jurisdiction to Resolve the Accountability Issue
… nature and the rights of the indigenous from the Amazon rainforest.</p> <p>I propose that a global intervention response to such violations will be more effective than a domestic one. I demonstrate that law and processes will be more effective if they apply to MNCs as well as states, and provide …
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Cobertura da terra em propriedades privadas na Amazônia: dinâmica de desmatamento e remanescente florestal
The Amazon Rainforest, the largest remnant of tropical rainforest in the world, was deforested at a rate of 25,000 km² per year in the 1990’s. However, environmental policies and supply chain interventions strongly reduced deforestation rates on the following decade. At COP 21, Brazil committed …
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Combining Masked Autoencoding and Neural Fields for Multi-band Satellite Understanding
… than baselines for transfer learning to predict Amazon rainforest deforestation.
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Development of a Support-Vector-Machine-based Supervised Learning Algorithm for Land Cover Classification Using Polarimetric SAR Imagery
… capability of the model is assessed on amazon rainforest land cover types using a supervised Support Vector Machine (SVM) classification algorithm. The quantity of land cover types that can be discriminated using the model is also determined. Additionally, the performance of the median …
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Identification and functional study of the bioactive peptide QUB-2417 from the skin secretion of the tree frog, Phyllomedusa bicolor
… of Phyllomedusa bicolor, a tree frog from the Amazon rainforest, and was named QUB-2417. The peptide sequence was acquired by molecular cloning through constructing a cDNA library with isolated mRNA from skin secretion. Then the peptide was chemically synthesised by Solid Phase Peptide …
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A Novel Mass Spectrometer for Atmospheric Measurements & Halocarbons During the CARIBIC and SAMBBA Aircraft Campaigns
… over Brazil. Methyl halide emissions from rainforest and savannah fires were quantified. The Cerrado savannah was found to be a strong source of COS. Regional biomass burning emission estimates indicate that this is an important region for emissions of these compounds. Terrestrial, natural …
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Past and future responses of soil water to climate change in tropical and subtropical rainforest systems in South America
… the WWF classification), composed mainly by the Amazon Rainforest and the Atlantic Forest, covers a representative portion of the planet's biodiversity. In the last decades (2001-2021) significant alterations in the use of the soil in this biome have been evidenced, threatening the future …
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Modeling of oil palm energy surface fluxes and growth for Brazilian Amazon climate conditions
… is currently covered by forest, mainly by the Amazon Rainforest. Also, climate change has reduced the amount of land suitable for oil palm plantation in Brazil, since, under unfavorable climatic conditions, crop yield is reduced. To reconcile the increase in oil palm production in Brazil with …
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Developing Fashion Embellishment: Decorative Alternatives to Fur and Exotic Animal Materials
… inspiring exotic animal species in the Amazon Rainforest which further informed practice developments, and by creating artefacts which were disseminated in exhibitions, including the ‘Fashioned from Nature’ exhibition at the Victoria & Albert Museum (2018-2019). As part of research …
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Influence of climate, fire and phosphorus in the dynamics of vegetation in the Amazon-Cerrado border simulated with INLAND model
… for the dynamics of vegetation in the Amazon such as climate and / or deforestation suggest the possibility of the Amazon rainforest may not resist a potencial change in rainfall patterns, and be converted to an ecosystem of more sparse vegetation like savanna, which gave rise to the …
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A Predictor Analysis Framework for Surface Radiation Budget Reprocessing Using Design of Experiments
… atmospherically distinct regions to include the Amazon Rainforest, Sahara Desert, Indian Ocean and Mt. Everest. The same design was used for all of the regions. Least squares multiple regression analysis of the results of the modified algorithm identified those parameters and parameter …
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Spatial and non-spatial patterns of genetic diversity in Neotropical bats
… has been found in the Andes mountains and the Amazon Rainforest, yet it is an open question whether bat genetic diversity is also higher in these regions, or even if any abiotic factors are correlated with bat genetic diversity. Additionally, it is not known if any species-level ecological …
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The impacts of Amazon deforestation on Pacific climate
… El Niño Southern Oscillation are known to affect Amazonian precipitation, but to what extent do changing Amazonian vegetation and rainfall impact eastern Pacific SST? The Amazon rainforest is threatened by many factors including climate change and clearing for agricultural reasons. Forest fires …
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Ayahuasca’s Religious Diaspora in the Wake of the Doctrine of Discovery
… have emerged both inside and outside of the Amazon Rainforest, frequently with the aim of helping people addicted to other substances. As interest grew, ayahuasca use in South America attracted large numbers of tourists. Use of it also began a worldwide diaspora.</p> <p>Due to the mixture’s …
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