Community uses of maritime heritage in Bermuda : a heritage ethnography with museum implications

This research contributes to the fields of heritage and museum studies with a threefold objective: conceptualise heritage as a process, using an appropriate research method, with implications for museums. The work correspondingly helps to redress the undertheorisation of heritage, the inadequacy of methods for grasping heritage as an ethnographic object of study, and the disconnection between communities and their museums - and, underlying and linking these issues, the widespread incorrect and damaging presumption that individuals, or the communities they constitute, are heritage deficient. In doing so, the presumption of public heritage deficiency underlying and linking these theoretical, methodological and museological 'problems' is challenged and countered. Drawing on my heritage ethnography of maritime Bermuda, I examine how and why people of this mid-Atlantic island use maritimity to formulate identity and community, and thereby generate maritime heritage. This contextualised case study engages with current thinking and key debates about heritage and museums to conceptualise heritage cross-culturally. Introductory chapters review heritage and museums across the relevant scholarly, maritime, and Bermuda scales and reflect upon my methodological choices during the research design, fieldwork and analysis. Five chapters of ethnographic analysis subsequently interpret community uses of heritage in terms of Bermudian relationships with the sea. Specifically, this analysis identifies and explores maritime heritage as: relationships with past and present maritimes; negotiations of 'race' and its legacies; beliefs in authenticity; curatorial practices of community museology; and aspirational remedies to social crisis. With this rich ethnographic yet analytic account of maritime heritage in Bermuda, I expand the framework for understanding heritage as a phenomena and concept, offer a heritage model to museums - and maritime and Bermuda's museums specifically - so they may better connect with their communities, and utilise and innovate heritage ethnography as a specialised method for heritage research, museum curation and wider community use.EThOS - Electronic Theses Online ServiceGBUnited Kingdo

The effect of silicon on the symptoms of manganese toxicity in maize plants

The effect of exogenously applied silicon (Si) on plant growth, lipid peroxidation, total phenolic compounds and non-protein thiols was studied in two maize varieties ( Zea mays L. vars. Kneja 605, 434 ) differing in sensitivity to excess manganese (Mn). Based on the density of brown spots per leaf area and relative shoot weight (RSW) used to define Mn tolerance var. Kneja 434 was found to be more Mn-tolerant than Kneja 605 . The lipid peroxidation level and total phenolic compounds were enhanced with increasing Mn concentration in the nutrient solution. In addition, the Mn-sensitive var. Kneja 605 with markedly expressed first visible Mn toxicity symptoms had higher levels of total phenolic acids than var. Kneja 434 thus supporting the hypothesis that a stimulating effect of Mn on phenol content reflected rather a stress response to Mn excess than a tolerance mechanism. In contrast, non-protein SH content increased to a higher extent in the Mn-tolerant var. Kneja 434 . The increased amount of non-protein SH compounds was accompanied by a much stronger oxidative stress in the Mn-sensitive plants when compared with the Mn-tolerant variety, thus suggesting that non-protein SH compounds may play a role in Mn tolerance in maize. The addition of silicon (Si) reduced the density of brown spots per leaf area as well as lipid peroxidation level and improved plant growth in Mn-treated plants

Zooplankton Community Changes along the Eutrophication Gradient Varna Lakes - Varna Bay (Western Black Sea)

The main objective of the present study is to select amongst the zooplankton community characteristics (diversity, quantitative and taxonomic structure, Rotifers/Copepods/Cladocera ratio) relevant descriptors to eutrophication. Plankton fauna in investigated area manifested dissimilar features which greatly correlated with the eutrophic state of the ecosystems Varna Lakes - Varna Bay. The results of Simper and principal component analyses (PCA) gave arguments to suggest the main zooplankton community characteristics as reliable indicators in biomonitorng schemes.JRC.H.3-Global environement monitorin

Influence of nitrogen deficiency on photosynthesis and chloroplast ultrastructure of pepper plants

Selostus: Typen puutteen vaikutus paprikan fotosynteesiin ja kloroplastien rakenteesee