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Now showing items 14612-14631 of 42439
The environmental change in coastal ecosystems during the Late Holocene as recorded in seagrass sedimentary archives
Coastal ecosystems, especially the vegetated areas, are among the most threatened ecosystems in the world, undergoing a fast and constant decline. Their losses are of serious concern due to their elevated production, ...
Environmental contamination and infant development in a Bolivian mining city
Background: Oruro is a mining city in the Bolivian highlands. Most of its citizens are exposed to polymetalic cocktails. This study aims to determine whether the neuropsychological development of one year-old children can ...
Environmental cues controlling the pathogenicity of "Ralstonia solanacearum" on plants / Señales ambientales que determinan la patogenicidad de "Ralstonia solanacearum" en plantas
Ralstonia solanacearum is a soil-borne beta-proteobacterium that causes wilting disease on a wide range of plants with economic importance like tomato, potato, pepper, eggplant and banana. Each year, bacterial wilt pose ...
Environmental damage estimations in industrial process chains
Les estimacions de danys ambientals en cadenes de processos necessiten l'avaluació d'impactes ambientals en dues perspectives: orientades cap a cadenes de processos i orientades localment. Per a ambdues perspectives s'han ...
"Environmental Diagnosis of Process Plants by Life Cycle Techniques"
Environmental Diagnosis of Process Plants by Life Cycle Techniques<br/>Haydée A. Yrigoyen González<br/>El objetivo de la investigación es desarrollar una herramienta que relacione aspectos de<br/>simulación, evaluación ...
Environmental effects during gonadal development in fish: role of epigenetics
In many organisms, sex is determined by a combination of genetic and environmental influences. Epigenetic regulatory mechanisms such as DNA methylation integrate both types of influences. However, understanding how genetic ...
Environmental Evaluation for the Development of Photovoltaic Devices Based on Halide Perovskite through Life Cycle Assessment
An increasing concentration of greenhouse gases makes necessary changing the energy model to one in which photovoltaics play an important role. This thesis aims to assist the development of a novel photovoltaic technology ...
Environmental evaluation of the cork sector in Southern Europe (Catalonia)
El suro és un material natural, renovable i típicament Mediterrani, ja que la majoria de l’extracció de suro i, per tant, dels boscos d’alzina surera, se situa en aquesta àrea, i molt especialment a la península Ibèrica. ...
Environmental factors and brain tumour risk in young people
Risk factors and diagnosis in young people have been little explored, despite brain tumours (BT) is one of the most frequent tumour type in children and adolescents. The purpose of this doctoral thesis is to study 1) the ...
Environmental governance and languages of valuation: two European case studies
El análisis de políticas ambientales mediante el uso de homo economicus ha sido criticado por no tomar en cuenta la multiplicidad de valores ambientales y bases éticas en las cuales se basa la motivación humana. Esta ...
Environmental governance and new ICTs : the impact of new information and communication technologies on global environmental governance
The doctoral dissertation deals with the impact of the use of new information and communication technologies (ICTs) on global environmental governance. The objective of the research is to analyze the influence of these ...
Environmental governance from a gender perspective. Theoretical reflections and case studies
In the second half of the twentieth century we saw the environmental debate escalate into one of the most challenging and complex issues that authorities at international, national, regional and municipal levels have to ...
Environmental impact accounting of organic agricultural production systems: advancing inventory and biodiversity modelling approaches in life cycle assessment
(English) Agriculture not only contributes to more than a quarter of all global greenhouse gas emissions but is also the number one anthropogenic source of nitrogen emissions and a danger to nearly half of threatened ...
Environmental influences on child health and development : The role of seafood, acetaminophen and maternal mental health
The main aims of this thesis can be divided into three focuses. First: to review the literature on the effect of the intake of seafood during early life on neurodevelopment. Secondly: to evaluate the impact of maternal ...
Environmental levels of PAHs and other SVOCs in a petrochemical area. Combining monitoring and modelling tools
En aquesta tesi s’ha avaluat la contaminació atmosfèrica com a conseqüència de la presència de contaminants orgànics semivolàtils (SVOCs) al camp de Tarragona. Aquesta àrea conté un dels complexes químics/petroquímics més ...
Environmental Management In Agriculture Based On Water And Climate Change Assessments: Tools For Decision Making By Life Cycle Approach
The irrigated world area has been increased dramatically from the mid of 20th century. Freshwater use and its consumption have emerged as areas of high environmental concern. Although agricultural lands represent only 12% ...
Environmental mobility of potentially toxic trace elements of Andean volcanic ashes
This research investigate the geochemical environmental impact of ancient ash deposits erupted to hundreds of thousands to several million years ago in the southern Puna and neighbouring areas (Argentina), Uruguay and five ...
Environmental optimization of the public space of cities Action on urban pavements and elements to support sustainable mobility
El planeamiento urbano empieza a estar fuertemente focalizado en la provisión de redes adecuadas de infraestructuras que estimulen el desarrollo de una movilidad sostenible. Sin embargo, la integración de criterios ambientales ...
Environmental Policies in International Markets
La hipòtesi estableix que a la llum de l'escàndol d'emissions de Volkswagen, una creença comuna que s'ha format és que la captura regulatòria en el control i establiment d'estàndards d'emissions ha portat a una menor ...
Environmental Risk Assessment by Microplastics pollution on Catalonia coastal areas
Els Microplastics (MPs) es defineixen com a “qualsevol partícula sòlida sintètica o matriu polimèrica, de forma regular o irregular i de mida compresa entre 1 m i 5 mm, d'origen primari o secundari, que són insolubles en ...
