Botany (Theses and Dissertations): Recent submissions
Now showing items 41-60 of 129
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Systematics of the genus Gmelina L. (Lamiaceae) in Southeast Asia
(Trinity College (Dublin, Ireland). Department of Botany, 2009)The systematics of Gmelina is investigated using morphological, anatomical, palynological and molecular data.The genus is revised for Southeast Asia and 31 taxa are recognised consisting of 26 species, 1 subspecies, and 4 ... -
The nitrous oxide and methane emissions from Miscanthus x giganteus and Salix viminalis x schwerinii in Oakpark, Carlow, Ireland
(Trinity College (Dublin, Ireland). Department of Botany, 2012)In investigating the reduction of the national greenhouse gas (GHG) footprint by replacing fossil fuels with bioenergy crops it is important to have a full GHG budget. We compared field emissions of nitrous oxide (N2O) ... -
Assessing the impact of climate change on the net ecosystem exchange of Irish grasslands : a case study of CO₂ efflux using multiple microcosm enclosure facilities
(Trinity College (Dublin, Ireland). Department of Botany, 2013)It is now widely accepted that human activity is having a discernible effect on the global climate, and these changes will impact upon the functioning of many of the planet's natural systems (Cox et al, 2000; Trumbore, ... -
Genetics, climate and phylogeography : understanding the Hiberno-Iberian distribution of Daboecia cantabrica (Huds). K. Koch and Erica mackaiana Bab. (Ericaceae)
(Trinity College (Dublin, Ireland). Department of Botany, 2013)Dahoecia cantahrica (Huds.) K. Koch and Erica mackaiana Bab. are two ericaceous species whose disjunct distribution in Europe is best described as Hiberno-Iberian. Both species have their origins in the Atlantic coastal ... -
Impacts of the alien invasive Rhododendron ponticum L. on native plants, pollinators and their interaction
(Trinity College (Dublin, Ireland). Department of Botany, 2009)This thesis addresses the impacts of an alien invasive plant. Rhododendron ponticum L., on pollination processes and population dynamics of native Irish plant and pollinator communities. Field studies were conducted in ... -
Ryegrass organelle genomes : phylogenomics and sequence evaluation
(Trinity College (Dublin, Ireland). Department of Botany, 2010)Perennial ryegrass (Lolium perenne L.) is the most important forage grass of temperate regions of the world. The main objective in breeding perennial ryegrass cultivars is to increase its biomass. Chloroplasts and ... -
Plant diversity and conservation in alpine areas of Kanchenjunga Conservation Area, Nepal
(Trinity College (Dublin, Ireland). Department of Botany, 2013)This thesis describes the plants and vegetation composition of alpine areas of Kanchenjunga Conservation Area, Nepal and relates the pattern to environmental variables. It evaluates the effects of various environmental ... -
The ins and outs of manioc divertsity in Gabon, Central Africia : a pluridisciplinary approach to the dynamics of genetic diversity of Manihot esculenta Crantz (Euphorbiaceae)
(Trinity College (Dublin, Ireland). Department of Botany, 2010)Manioc (Manihot esculenta Crantz subsp. esculenta, Euphorbiaceae) is the staple food and livelihood of more than half a billion people around the world, and ranks third, just behind rice and maize, as a source of calories ... -
Characterisation of Miscanthus genetic resources : a combined analysis of plastid and nuclear microsatellites, nrDNA sequences, flow cytometry and morphology
(Trinity College (Dublin, Ireland). Department of Botany, 2012)Miscanthus is a highly important forage and horticultural genus of perennial grasses (Poaceae) primarily native to South East Asia. Miscanthus is under intense global investigation as a biomass source for renewable energy ... -
The carbon cycle of an energy crop : Miscanthus x giganteus
(Trinity College (Dublin, Ireland). Department of Botany, 2012)The United Nations Framework Convention on Climate Change Kyoto Protocol (1997) has driven research towards a reduction of carbon dioxide (CO2) emissions and the development of alternative energy sources. Energy crops ... -
Conservation of selected legally protected and red-listed bryophyte species in Ireland
(Trinity College (Dublin, Ireland). Department of Botany, 2013)This thesis focussed on the conservation of ten rare and threatened bryophyte species in Ireland using three separate, but complementary conservation approaches to provide an integrated strategy to ensure their survival ... -
Spatial variation of floodplain vegetation in Nong thung thong Non-Hunting Area, peninsular Thailand
(Trinity College Dublin. School of Natural Sciences. Discipline of Botany, 2019)This thesis aims to gain increased understanding of the processes that govern plant species composition and structure of floodplain vegetation in Nong thung thong Non-Hunting Area, one of the last few patches of floodplain ... -
Systematics of the Thai Hypericaceae Juss. and Kielmeyeroideae (Clusiaceae Lindl.)
(Trinity College (Dublin, Ireland). Department of Botany, 2009)The Clusiaceae (Subfamily Kielmeyeroideae) and Hypericaceae families are fully revised for Thailand. 33 species are recognised in six genera, these are; Calophyllum Linnaeus, Kayea Wallich, Mammea Linnaeus and Mesua Linnaeus ... -
Delimitation and diversity of the genus Badula Juss. (primulaceae) - rare endemic trees of the Mascarene Archipelago
(Trinity College (Dublin, Ireland). Department of Botany, 2010)The western Indian Ocean Mascarene archipelago is a trio of geologically young volcanic islands that have never been connected to a continent or continental fragments. The islands are biologically diverse, and 72% of the ... -
Assessing soil respiration in the soil profile. A study case of gradient-based CO2 efflux and subsurface production rates using soil diffusion chambers
(Trinity College (Dublin, Ireland). Department of Botany, 2010)The impact of global warming on soil respiration is strongly related to the characteristics of deep-soil carbon and may differ with soil depth. Environmental parameters can affect the rates of soil CO2 respiration not only ... -
Physiological studies of salt tolerance in Plantago maritima (L.)
(Trinity College (Dublin, Ireland). Department of Botany, 2001)The studies described in this thesis were concerned with evaluating the salt tolerance mechanisms of Plantago maritima (L.). This species, a perennial herb, is found growing in various habitats including saline coastal ... -
A taxanomic revision of tribe Ocimeae Dumort. (Labiatae) in continental South East Asia
(Trinity College (Dublin, Ireland). Department of Botany, 2001)This thesis aims to provide a complete account of the tribe Ocimeae for Thailand, Laos, Vietnam, Cambodia and Burma. In addition, the relevant generic problems of Ocimeae in continental South East Asia are outlined, and ... -
Conservation biology of Colchicum autumnale L. and Campanula trachelium L. in the Nore Valley, Southeast Ireland
(Trinity College (Dublin, Ireland). Department of Botany, 2004)The conservation of plant biodiversity can only proceed effectively if it is informed by a detailed biological knowledge of the target species and their constituent populations. The overall aim of this study was to assess ... -
Systematics of the woody bamboos (tribe Bambuseae)
(Trinity College (Dublin, Ireland). Department of Botany, 2002)In this thesis the monophyly of the tribe Bambuseae and the inter-relationships of its constituents were assessed using comparative morphological character analysis and sequence analysis of four non-coding DNA regions, ... -
A systematic revision of the Uvaria L. group (Annonaceae) in Continental Asia
(Trinity College (Dublin, Ireland). Department of Botany, 2001)The goal of this research project has been to complete a taxonomic revision of Uvaria L. (Annonaceae) and its affiliates in Continental Asia. Research was based primarily at the Trinity College Herbarium. Research visits ...