Sökning: "botanical collection"
Hittade 5 avhandlingar innehållade orden botanical collection.
1. A Utopian Quest for Universal Knowledge : Diachronic Histories of Botanical Collections between the Sixteenth Century and the Present
Sammanfattning : This thesis explores the history of botany as a global collection-based science by tracing parallels between utopian traditions and botanical collecting, from their sixteenth-century beginnings to the present. A range of botanical collections, such as gardens, herbaria and classification systems, have played a central role in the struggle to discover a global or universal scientific order for the chaotic, diverse and locally shaped kingdom of plants. LÄS MER
2. Studies on the taxonomy of acid resistant algal microfossils
Sammanfattning : This dissertation is the summary of the collection of seven previously published articles on the taxonomy of acid resistant algal microfossils, viz. (A) forms referable to Tetraporina, (B) leiospheres, and (C) peridinioid dinoflagellates. The material studied is mainly from Upper Cretaceous deposits in southern Sweden. LÄS MER
3. Diversifying the utility and species composition of Nordic forage systems : new fractionation methods and novel legume species
Sammanfattning : Leys, a temporary grassland grown as part of a crop rotation, represent an essential component of agricultural production in the Nordic countries. This thesis explores methods to diversify the utility of feed produced from leys through fractionation, as well as increase the diversity of legume species within the stand. LÄS MER
4. Platsens blick : Vetenskapsakademien och den naturalhistoriska resan 1790-1840
Sammanfattning : The purpose of the present dissertation is to study the relationship between travel as a form of knowledge and the natural history pursued at the Royal Academy of Science during the period 1790-1840. Primarily, this dissertation deals with the perception of travel as a form of knowledge which existed at the Royal Swedish Academy of Science, though a number of selected journeys are used to illustrate the era's shifting perceptions on travel. LÄS MER
5. Wild vegetables and micronutrient nutrition : Studies on the significance of wild vegetables in women's diets in Vietnam
Sammanfattning : The principal aim has been to investigate the contemporary role and importance of edible wild plants in the diets of women in different agro-ecological regions of Vietnam. Field studies were undertaken in four villages in the Mekong Delta (MD) and the Central Highlands (CH) in 1995-1999. LÄS MER