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Rozprawy doktorskie na temat „Biogeomorphology”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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Sprawdź 27 najlepszych rozpraw doktorskich naukowych na temat „Biogeomorphology”.

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1

Betz, Florian [Verfasser], Bernd [Akademischer Betreuer] Cyffka, and Gregory [Akademischer Betreuer] Egger. "Biogeomorphology from space / Florian Betz ; Bernd Cyffka, Gregory Egger." Eichstätt-Ingolstadt : Katholische Universität Eichstätt-Ingolstadt, 2021. http://d-nb.info/1236992857/34.

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Haussmann, Natalie Suzette. "The biogeomorphology associated with a keystone plant species in the sub-Antarctic." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6909.

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Thesis (PhD (Conservation Ecology and Entomology))--University of Stellenbosch, 2011.<br>AFRIKAANSE OPSOMMING: Min aandag is al gegee aan biogeomorfologiese interaksies in glasiale en periglasiale omgewings. Nietemin is hierdie interaksies, wat op die skeidingsvlak tussen ekologie en geomorfologie fokus, baie belangrik in hierdie omgewings, waar organismes in noue verband met die abiotiese omgewing saamleef. In hierdie tesis bestudeer ek die interaksies tussen die vaskulêre plantspesies met die hoogste voorkoms op sub-Antarktiese Marion Eiland, Azorella selago Hook. (Apiaceae), en die omringen

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3

Engvall, Cecilia. "Zoogeomorphical Impacts by Elephants in Private Game Res. : With the case study of Knysna Elephant Park." Thesis, Uppsala universitet, Kulturgeografiska institutionen, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-207927.

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Webb, Ashley Adrian. "Episodic erosion, riparian vegetation colonisation and the late holocene stability of sand-bed, forest streams in southeastern Australia." Thesis, The University of Sydney, 2002. https://hdl.handle.net/2123/28458.

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Natural interactions between riparian vegetation, large woody debris (LWD) and the fluvial geomorphology of forest streams in North America and Europe have been well researched. In southeastern Australia, where rainfall and runoff are highly variable, where riparian vegetation species are unique and where many streams have been altered since European settlement, there is a paucity of research on such biogeomorphic interactions. This thesis aimed to partly address this knowledge gap by undertaking detailed case studies of four undisturbed streams that varied in their degree of lateral con

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Docker, Benjamin Brougham. "Biotechnical engineering on alluvial riverbanks of southeastern Australia a quantified model of the earth-reinforcing properties of some native riparian trees /." Connect to full text, 2003. http://hdl.handle.net/2123/1688.

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Thesis (Ph. D.)--School of Geosciences, Faculty of Science, University of Sydney, 2004.<br>Degree awarded 2004; thesis submitted 2003. Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Geosciences, Faculty of Science. Title from title screen (viewed 13 January 2009). Includes bibliographical references. Also available in print form.

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Borg, Carl-Johan. "Mechanisms controlling valley asymmetry development at Abisko, northern Sweden and Sani Pass, southern Africa." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-179985.

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Abstract The main goal of this study is to examine mechanisms controlling valley asymmetry development at two locations with distinctly differing environmental parameters and to develop a model for the two locations. As a secondary aim the knowledge gained from the main goal is thought to help understand the very uncertain glacial past of the high Drakensberg as it can be compared to the much accepted glacial history of Abisko. Parameters studied were slope angle, landforms, vegetation cover, block abundance, available moisture, bedrock characteristics, temperature and soil moisture. Some para

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Coombes, Martin Andrew. "Biogeomorphology of coastal structures : understanding interactions between hard substrata and colonising organisms as a tool for ecological enhancement." Thesis, University of Exeter, 2011. http://hdl.handle.net/10036/3103.

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Urbanisation is increasingly recognised as a major ecological pressure at the coast. By 2035, the Department for Environment, Food and Rural Affairs will have to spend £1 billion each year on flood defence and erosion control infrastructure if current levels of protection are to be sustained in England and Wales; this represents a substantial commitment to building new hard structures. Ecological research has shown that structures like seawalls, breakwaters, and harbour and port infrastructure are poor surrogates for undisturbed rocky shores. This, alongside substantial international policy dr

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Bass, Julia [Verfasser], Michael [Akademischer Betreuer] Kleyer, and Gerhard [Akademischer Betreuer] Zotz. "Biodiversity effects on dune and salt marsh biogeomorphology: a trait-based approach / Julia Bass ; Michael Kleyer, Gerhard Zotz." Oldenburg : BIS der Universität Oldenburg, 2019. http://d-nb.info/1205879072/34.

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Rittle, Alex M. "Ecohydraulic Investigation of Diatoms in a Bedrock-Controlled Stream." UKnowledge, 2015. http://uknowledge.uky.edu/geography_etds/30.

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Recent studies within the past decade or so have shown the importance of algae in geomorphic and hydrologic processes of lotic systems. However, the ecohydraulic role of algae in bedrock systems has largely been ignored. In addition, the utility of algae as indicators of channel dynamics have often been assumed by geomorphologists, but relatively few studies have examined this relationship. The purpose of this study was to determine whether algae, specifically diatoms, are useful indicators of channel geomorphological dynamics, and to examine if distinct habitats or biotopes typical in fluviok

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10

Proctor, Sarah. "Fluvial Biogeomorphic Evolution of the Upper South Fork Toutle River, WA After the 1980 Eruption of Mount St. Helens." Thesis, University of Oregon, 2017. http://hdl.handle.net/1794/22293.

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The eruption of Mount St. Helens in 1980 severely impacted the woody vegetation within the geomorphic floodplain as well as the morphology of the Upper South Fork Toutle River. Historic aerial imagery and LiDAR data were used in combination to create snapshots of the channel and vegetation in 1980, 1983, 1996, 2003, and 2014. This data was mapped and analyzed using GIS, with the primary focus on 2D channel change, vegetation change, and channel-vegetation interactions from 1980 to 2014. No vegetation was discernable in 1980-83 but the vegetation present in 1996 increased in area and in density

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11

Berg, Oskar. "Small scale spatial and temporal variability of microclimate in a fellfield landscape, Marion Island." Thesis, Uppsala University, Department of Social and Economic Geography, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-103910.

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<p>Marion Island is situated in the South Indian Ocean and belongs to the sub-Antarctic island group, Prince Edward Islands. The islands in the sub-Antarctic have over the past few decades been exposed to a warmer and drier climate trend. The aim of this thesis is to achieve better understanding of the small-scale spatial and temporal variability between Azorella selago andthe surrounding microclimate. Due to the consequences of climate change, the interactions between Azorella selago, landforms and soil processes are important for the future of the terrestrial ecosystems in the sub-Antarctic.

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12

Da, Lio Cristina. "Bio-geomorphic patterns in tidal environments." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3422654.

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In times of natural and anthropogenic climate change, tidal bio-geomorphic systems are most exposed to possibly irreversible transformations with far-reaching ecological and socio-economic implications. It is thus of critical importance to develop models for predicting the evolution of such systems under varying forcings and, if present, their dynamically-accessible stable states. The notion that freshwater and terrestrial ecosystems may switch abruptly to alternative stable states as a result of feedbacks between consumers and limiting resources is widely acknowledged. On the contrar

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Johnson, Matthew. "The disturbance of fluvial gravel substrates by signal crayfish (Pacifastacus leniusculus) and the implications for coarse sediment transport in gravel-bed rivers." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/8166.

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Signal crayfish are an internationally widespread invasive species that can have important detrimental ecological impacts. This thesis aims to determine whether signal crayfish have the potential to also impact the physical environment in rivers. A series of experiments were undertaken in purpose-built still-water aquaria using a laser scanner to obtain Digital Elevation Models (DEMs) of narrowly-graded gravel surfaces before and after exposure to crayfish. The difference between DEMs was used to quantify volumetric changes in surface topography due to crayfish activity. Two distinct types of

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Pledger, Andrew G. "Foraging fish as zoogeomorphic agents : their effects on the structure and composition of gravel-bed river sediments with implications for bed material transport." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/16680.

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The plants and animals that inhabit river channels may act as zoogeomorphic agents affecting the nature and rates of sediment recruitment, transport and deposition. The impact of benthic-feeding fish, which disturb bed material sediments during their search for food, has received little attention, even though benthic feeding species are widespread in rivers and may collectively expend significant amounts of energy foraging across the bed. A series of experiments were conducted to investigate the impacts of benthic feeding fish on the structure and composition of gravel-bed river sediments, and

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15

Hsu, Li-Chih. "VISUALIZING BARRIER DUNE TOPOGRAPHIC STATE SPACE AND INFERENCE OF RESILIENCE PROPERTIES." UKnowledge, 2019. https://uknowledge.uky.edu/geography_etds/63.

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The linkage between barrier island morphologies and dune topographies, vegetation, and biogeomorphic feedbacks, has been examined. The two-fold stability domain (i.e., overwash-resisting and overwash-reinforcing stability domains) model from case studies in a couple of islands along the Georgia Bight and Virginia coast has been proposed to examine the resilience properties in the barrier dune systems. Thus, there is a need to examine geographic variations in the dune topography among and within islands. Meanwhile, previous studies just analyzed and compared dune topographies based on transect-

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16

Shouse, Michael. "BIOMECHANICAL EFFECTS OF TREES AND SOIL THICKNESS IN THE CUMBERLAND PLATEAU." UKnowledge, 2014. http://uknowledge.uky.edu/geography_etds/25.

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Previous research in the Ouachita Mountains, Arkansas suggests that, on relatively thin soils overlying bedrock, individual trees locally thicken the regolith by root penetration into bedrock. However, that work was conducted mainly in areas of strongly dipping and contorted rock, where joints and bedding planes susceptible to root penetration are more common and accessible. This project extended this concept to the Cumberland Plateau, Kentucky, with flat, level-bedded sedimentary rocks. Spatial variability of soil thickness was quantified at three nested spatial scales, and statistical relati

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17

Docker, Benjamin Brougham. "Biotechnical engineering on alluvial riverbanks of southeastern Australia: A quantified model of the earth-reinforcing properties of some native riparian trees." Thesis, The University of Sydney, 2003. http://hdl.handle.net/2123/1688.

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It is generally accepted that tree roots can reinforce soil and improve the stability of vegetated slopes. Tree root reinforcement is also recognised in riverbanks although the contribution that the roots make to bank stability has rarely been assessed due to the reluctance of geomorphologists to examine riverbank stability by geomechanical methods that allow for the inclusion of quantified biotechnical parameters. This study investigates the interaction between alluvial soil and the roots of four southeastern Australian riparian trees. It quantifies the amount and distribution of root reinfor

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18

Jourdain, Camille. "Action des crues sur la dynamique sédimentaire et végétale dans un lit de rivière à galets : l'Isère en Combe de Savoie." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAU002/document.

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Au cours du XXe siècle, les lits de nombreuses rivières ont été sujets à l'installation de végétation alluviale. Dans le cas des rivières aménagées, cette tendance est souvent associée à des altérations géomorphologiques directes (extractions de granulats, endiguements, etc.) ainsi qu'à des modifications anthropiques de leur régime hydrologique et sédimentaire conduisant à une stabilisation du lit qui permet l'installation de la végétation. Cette végétation augmente le risque d'inondation en diminuant les vitesses d'écoulement et en augmentant les niveaux d'eau en crue. Par ailleurs la biodive

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19

Engvall, Cecilia. "A first classification of zoogeomorphological activity and impacts by large mammals in national parks, South Africa." Thesis, Uppsala universitet, Kulturgeografiska institutionen, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-194811.

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20

Hughes, Matthew William. "Late Quaternary Landscape Evolution and Environmental Change in Charwell Basin, South Island, New Zealand." Phd thesis, Lincoln University. Agriculture and Life Sciences Division, 2008. http://theses.lincoln.ac.nz/public/adt-NZLIU20080214.132530/.

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Charwell Basin is a 6 km-wide structural depression situated at the boundary between the axial ranges and faulted and folded Marlborough Fault Zone of north-eastern South Island, New Zealand. The basin contains the piedmont reach of the Charwell River, and a series of late Quaternary loess-mantled alluvial terraces and terrace remnants that have been uplifted and translocated from their sediment source due to strike-slip motion along the Hope Fault which bounds the basin to its immediate north. The aim of this study was to provide an interdisciplinary, integrated and holistic analysis of late

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21

Fortes, Mircia Ribeiro. "A distribuição espacial da vegetação nas feições geomorfológica da ilha da marchantaria: planície do rio Amazonas, AM/Brasil." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/8/8135/tde-29042015-175051/.

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Estudos biogeomorfológicos integrando a geomorfologia fluvial, neotectônica e a vegetação foram aplicados na ilha da Marchantaria, com a finalidade de analisar a distribuição da vegetação de várzea nas feições geomorfológicas. A planície do rio Amazonas é um mosaico de feições morfológicas de dimensões espaciais ora menores, ora maiores tais como ilhas, bancos arenosos, furos, paranás e lagos, que pela dinâmica fluvial estão continuamente se modificando. No canal do rio Amazonas, a ilha da Marchantaria, situada no baixo curso do rio Solimões motiva relevante interesse, tendo em vista a sua evo

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Hughes, Matthew W. "Late Quaternary landscape evolution and environmental change in Charwell Basin, South Island, New Zealand." Lincoln University, 2008. http://hdl.handle.net/10182/305.

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Charwell Basin is a 6 km-wide structural depression situated at the boundary between the axial ranges and faulted and folded Marlborough Fault Zone of north-eastern South Island, New Zealand. The basin contains the piedmont reach of the Charwell River, and a series of late Quaternary loess-mantled alluvial terraces and terrace remnants that have been uplifted and translocated from their sediment source due to strike-slip motion along the Hope Fault which bounds the basin to its immediate north. The aim of this study was to provide an interdisciplinary, integrated and holistic analysis of late

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23

Hortobágyi, Borbála. "Multi-scale interactions between riparian vegetation and hydrogeomorphic processes (the lower Allier River)." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAL001/document.

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Dans les écosystèmes, tels que les rivières, les marais salés, les mangroves, les dunes côtières, qui sont exposés à des flux hydrogéomorphologiques fréquents et réguliers (c’est-à-dire à des perturbations physiques), des rétroactions se mettent en place entre la géomorphologie (eau, sédiments et formes fluviales) et les plantes (par exemple Populus nigra L., Salix alba L., Salix purpurea L. dans les rivières). L’établissement de la végétation est contrôlé par des processus hydrogéomorphologiques qui, en retour, sont modulés par la végétation. De telles rétroactions contrôlent la dynamique des

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24

Wintenberger, Coraline. "Dynamique fluviale et végétation pionnière à la Salicaceae en rivière sablo-graveleuse : études in et ex situ de la survie des semis durant les premiers stades de la succession biogéomorphologique en Loire Moyenne." Thesis, Tours, 2015. http://www.theses.fr/2015TOUR4020/document.

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La présente analyse est ciblée sur la transition entre les phases géomorphologiques, pionnières et biogéomorphologiques décrites par le concept de succession biogeomorphologique fluviale d’une rivière sablo-graveleuse de plaine, la Loire moyenne. L’étude se focalise sur la reproduction sexuée et la survie (dans leur premiers stades, au cours des crues) de deux espèces de Salicacées : Populus nigra L. et Salix alba L. sur une barre sédimentaire et repose sur des approches in- et ex-situ. La dynamique hydro-sédimentaire d’une barre forcée influence le potentiel de survie des semis des ligneux pi

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25

"Damming Ephemeral Streams: Understanding Biogeomorphic Shifts and Implications to Traversed Streams due to the Central Arizona Project (CAP) Canal, Arizona." Doctoral diss., 2014. http://hdl.handle.net/2286/R.I.25024.

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abstract: Ephemeral streams in Arizona that are perpendicularly intersected by the Central Arizona Project (CAP) canal have been altered due to partial or complete damming of the stream channel. The dammed upstream channels have experienced decades long cycles of sediment deposition and waterlogging during storm events causing the development of "green-up" zones. This dissertation examines the biogeomorphological effects of damming ephemeral streams caused by the CAP canal by investigating: (1) changes in the preexisting spatial cover of riparian vegetation and how these changes are affected b

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Massuanganhe, Elidio. "Geomorphology and environmental dynamics in Save River delta, Mozambique : A cross-timescale perspective." Doctoral thesis, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-126064.

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Long-term perspectives on the evolution of river deltas have provided useful knowledge capable of responding to pending questions related to the ongoing climate and environmental changes. Increasing utilization pressure on delta environments has necessitated increased attention to protect the socio-economic and ecological values. As a result, multiple local initiatives have been designed, aimed at mitigating environmental deterioration and implementing adaptive measures, but many such initiatives have shown limited success. This thesis uses a case study of Save River delta in Mozambique to exp

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Nyikos, Sarah Ildiko. "Tree Community Patterns and Soil Texture Characteristics of a Meander Bend, Lower Trinity River, Southeast Texas." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10232.

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Meandering rivers and associated vegetation communities are highly dynamic systems that interact through various geomorphic and successional processes. However, much is still unknown about these interactions. Studies that focus on system integration rather than examining fluvial-related and vegetation dynamics individually will benefit science and the management of river systems. Tree communities in riparian areas, although consisting mainly of bottomland hardwood species, can be very diverse. Diversity has been linked to environmental influences such as meander migration, and changes in eleva

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