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Dissertations / Theses on the topic 'Environmental aspects of Fire ecology'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2025

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1

Weiss, Shelby A. "Social and Ecological Aspects of Managing Wildlife in Fire-dependent Forested Ecosystems." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1498039608388317.

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2

Moreno, Maria C. "Management Tools for Prescribed Burning for Tallgrass Prairie Restoration at the Lewisville Lake Environmental Learning Area." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4405/.

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The Lewisville Lake Environmental Learning Area (LLELA) is a wildlife management area with tallgrass prairie, an endangered ecosystem. Essential ecosystem processes, especially fire, are part of restoration. To support fire management efforts at LLELA and surrounding areas, this project evaluated and developed tools for fire restoration. The four primary prairie grasses respond favorably to burning. Fuel loads and fuel models vary by scale and survey method. One- and 10-hour fuel moisture can be predicted using a statistical model; 100- and 1,000-hour fuel moisture cannot. Historic weather dat

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3

Goss, Heather Vanessa. "Contrasting Chemical Response to Experimental Acidification of Fice Acid-sensitive Streams." Fogler Library, University of Maine, 2006. http://www.library.umaine.edu/theses/pdf/GossHV2006.pdf.

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4

Lalor, Briony Maree. "An assessment of the recovery of the microbial community in jarrah forest soils after bauxite mining and prescription burning." University of Western Australia. School of Earth and Geographical Sciences, 2009. http://theses.library.uwa.edu.au/adt-WU2010.0037.

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[Truncated abstract] Recovery of soil nutrients, microbial populations and carbon (C) and nitrogen (N) cycling processes are critical to the success of rehabilitation following major ecosystem disturbance. Bauxite mining represents a major ecosystem disturbance to the jarrah (Eucalyptus marginata) forest in the south-west of Western Australia. Mining has created a mosaic of mined areas in various stages of succession surrounded by non-mined forest areas. Initial site preparations within rehabilitation areas such as contour ripping alter soil structure (creation of mound and furrows) and over t

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5

David, Clive Addison. "Post-harvest floor changes and nitrogen mobilization in an Engelmann spruce-subalpine fir forest." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26986.

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Engelmann spruce-subalpine fir [Picea engelmannii Parry ex Engelm.-Abies lasiocarpa (Hook.) Nutt.] (ESSF) forests occupy large portions of western North America, and of British Columbia (B.C.) in particular. These areas represent a harsh environment for plant growth. The ESSF forests of B.C. have presented serious problems of regeneration following harvesting; several factors stimulated speculation as to whether N supply limitations were involved. This study was intended to highlight the post-harvest N dynamics of an ESSF forest, and the implications of the latter for silvicultural practices.

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6

Greenwood, Sarah. "Investigating the response of subtropical forests to environmental variation through the study of the Abies kawakamii treelines in Taiwan." Thesis, University of Stirling, 2014. http://hdl.handle.net/1893/21561.

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Altitudinal treeline advance represents a sensitive and well-studied example of species response to climate warming. Although a great deal of work has been conducted globally, few studies have considered subtropical alpine treelines and little is known about their structure and function. This research aims to investigate the response of high altitude forests in Taiwan to climate variation by characterising treeline advance in the area, exploring the mechanisms driving the advance, and considering the consequences of advance for the wider community. The thesis consists of a general introduction

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7

Dufilho, Michael Stephen. "The Children's Forest Association fire ecology hike." CSUSB ScholarWorks, 2005. https://scholarworks.lib.csusb.edu/etd-project/2935.

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This project provides a fire ecology lesson to accompany a hike for student groups from fourth through eighth grade. The lesson plan will acquaint students with the beneficial aspects of forest fires.

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8

Teague, Kara Elizabeth. "Environmental ramifications of the fire ecology of slash pine (Pinus elliottii) a study of population dynamics and dispersal following a fire event /." [Tampa, Fla. : s.n.], 2003. http://purl.fcla.edu/fcla/etd/SFE0000089.

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9

Gentilcore, Dominic M. "Response of Pinyon-juniper woodlands to fire, chaining, and hand thinning." Thesis, University of Nevada, Reno, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1591350.

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<p> Pinyon-juniper (<i>Pinus monophylla – Juniperus osteosperma</i>) woodlands have expanded and infilled over the last 150 years to cover more than 40 million ha in the Great Basin. Many land managers seek to remove Pinyon-juniper trees using a variety of treatments. This thesis looks at six different Pinyon-juniper removal projects in Central and Eastern Nevada. We established a total of 73 vegetation and soil monitoring plots (38 treated, 35 adjacent untreated) across six Pinyon-juniper removal projects in Central and Eastern Nevada to look at the effects of fire, hand thinning, and c

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10

White, Katrina Marie, and University of Lethbridge Faculty of Arts and Science. "Effects of fire on a prairie arthropod community." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2000, 2000. http://hdl.handle.net/10133/125.

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In this study, I addressed how a large-scale wildfire affected a prairie arthropod community in southern Alberta, Canada. First, I looked at the general effects of disturbance on the arthropod community. Second, I addressed how processes such as competition and secondary succession may have affected diversity in this arthropod community. Third, I determined how the arthropod community trophic structure was regulated. Results showed that the effect of disturbance on arthropods varies greatly by taxa. Factors, such as site, year, distance from disturbance edge, as well as the disturbance itself

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11

Manning, Nancy Denise. "Weaving stories around the old fire: Using heuristic inquiry as a path to personal and professional growth." CSUSB ScholarWorks, 2007. https://scholarworks.lib.csusb.edu/etd-project/3295.

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The author of this thesis uses her own personal experience of the Old Fire that took place in the fall of 2003 in San Bernardino County to teach children ecological concepts, especially fire ecology using an art oriented methodology. Thus, heArts for the Forest was born incorporating ash from the burned forest into pottery and other art pieces to sell and raise money for reforestation efforts in the San Bernardino mountains.

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12

Garcia, Hernandez Jacqueline. "Aspects of ecosystem health in the Colorado River Delta, Mexico." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/279931.

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Two aspects of ecosystem health in the Colorado River delta were investigated as part of the present dissertation. The following is a summary of the most important findings: Contaminants of natural origin (e.g. selenium) and anthropogenic activities (e.g. pesticides) represent a potential threat for humans and wildlife in the Colorado River delta. Fourteen locations were sampled for bottom material and biota from March 1998 to April 2000. Concentrations of selenium in bottom material ranged from 0.6-5.0 μg/g. Concentrations of selenium in biota ranged from 0.5-18.3 μg/g, 23% of these samples e

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13

Charpentier, Jessica E. "Wildland Fire Disturbance - Recovery Dynamics in Upland Forests at Acadia National Park, Maine." Antioch University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1589622211058728.

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14

Shearer, Megan Marie. "Tibetan Buddhism and the environment: A case study of environmental sensitivity among Tibetan environmental professionals in Dharamsala, India." CSUSB ScholarWorks, 2005. https://scholarworks.lib.csusb.edu/etd-project/2904.

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The purpose of this study was to investigate environmental sensitivity among environmental professionals in a culture that is assumed to hold an ecocentric perspective. Nine Tibetan Buddhist environmental professionals were surveyed in this study. Based on an Environmental Sensitivity Profile Insytrument, an environmental sensitivity profile for a Tibetan Buddhist environmental professional was created from the participants demographic and interview data. The most frequently defined vaqriables were environmental destruction/development, education and role models.

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15

Goins, Jeffrey P. (Jeffrey Paul). "Expendable Creation: Classical Pentecostalism and Environmental Disregard." Thesis, University of North Texas, 1997. https://digital.library.unt.edu/ark:/67531/metadc278335/.

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Whereas the ecological crisis has elicited a response from many quarters of American Christianity, classical (or denominational) Pentecostals have expressed almost no concern about environmental problems. The reasons for their disregard of the environment lie in the Pentecostal worldview which finds expression in their: (1) tradition; (2) view of human and natural history; (3) common theological beliefs; and (4) scriptural interpretation. All these aspects of Pentecostalism emphasize and value the supernatural--conversely viewing nature as subordinate, dependent and temporary. Therefore, the e

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16

McKessey, Anika Nkechi Spotila James R. "Effects of fire management on pine plains vegetation at Warren Grove Air National Guard Range, New Jersey /." Philadelphia, Pa. : Drexel University, 2006. http://dspace.library.drexel.edu/handle/1860%20/893.

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17

Woo, Chunho Anthony, and 鄔俊豪. "Molecular ecology and public health risks of urban bio-aerosols." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B49617680.

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The Earth’s atmosphere supports microorganisms and they include potential pathogens and microbial allergens. Whilst indoor environments have been well studied, relatively little is known of bio-aerosols in outdoor locations and their potential influence on human health, particularly with regard to urban development. Hong Kong provides an ideal model system for testing hypotheses related to the impact of urbanization on bio-aerosols, with a well-defined gradient of urbanization and large population. This thesis describes work to establish the biodiversity and spatio-temporal dynamics of outdoo

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18

Teague, Kara Elizabeth. "Environmental Ramification of the Fire Ecology of Slash Pine (Pinus elliottii): A Study of Population Dynamics and Dispersal following a Fire Event." Scholar Commons, 2003. https://scholarcommons.usf.edu/etd/1491.

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With increasing encroachment on natural communities by anthropogenic activity, it is important to understand the functions of natural ecosystems in an effort to conserve natural areas. A first-hand study of the population dynamics of South Florida Slash Pine (P. elliottii Engelm. var. densa) following a fire event provided insight to its recovery and dispersal following a fire. A natural fire (lightning-induced) occurred in the spring of 2000 at the T. Mabry Carlton, Jr. Reserve, Sarasota County, providing an opportunity to study aspects of slash pine in relation to fire. One objective of my r

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19

Jones, Robert Phelps. "Effects of fire on vegetation in the upper encinal woodlands: A case study." Thesis, The University of Arizona, 1999. http://hdl.handle.net/10150/278710.

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The effects of fire on vegetation in the upper encinal woodlands, Santa Catalina Mountains, southeastern Arizona, were studied following a wildfire in July 1995. Similar unburned and burned sites were compared to determine differences (alpha = .05) for frequency, density, and percent cover of herbs, shrubs, and trees through observations made during early June of 1997 and 1998 (two and three years postfire). For herbs, which showed their opportunistic characters, differences existed for frequency and percent cover each year and density in the third year. For shrubs, due to the ability of the d

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20

Wilkinson, Margot Carolina 1971. "Reconstruction of historical fire regimes along an elevation and vegetation gradient in the Sacramento Mountains, New Mexico." Thesis, The University of Arizona, 1997. http://hdl.handle.net/10150/278618.

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The purpose of this study was to reconstruct historical fire regimes along an elevation and vegetation gradient in the Sacramento Mountains, NM. I cross-dated fire-scarred specimens to reconstruct the fire history within two mixed-conifer, four ponderosa pine, and two pinon-juniper stands. Prior to Euro-American settlement, historical fire intervals were estimated at 6 years in ponderosa pine, 10 years in mixed-conifer, and 27 years in pinon-juniper forests. To evaluate whether Native Americans may have influenced historical fire regimes, I cross-dated scars from peeled trees found within the

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21

Scott, Katherine. "Fire, plants and people: exploring environmental relations through local knowledge of postfire ecology at Wemindji, Quebec." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32518.

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In the forests of Wemindji Cree Territory on the eastern shores of James Bay, north-western Quebec, forest fires burn frequently, human interventions are rare, and fire is the key agent of forest transformation. This thesis examines Cree perceptions of spatial and temporal post-fire ecosystem processes, more specifically, the interactions of plants, animals, people and the physical landscape. Western scientific studies have focused on the complex actions of fire in shaping these ecosystems. I interviewed

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22

Chongpinitchai, Angela Rose. "The Effects of Wildland Fire and Other Disturbances on the Nonnative Tree Paulownia tomentosa and Impacts on Native Vegetation." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1339466218.

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23

梁度因 and To-yan Leung. "The ecology and reproductive biology of two intertidal barnacles, capitulum mitella and ibla cumingi (cirripedia: pedunculata), in HongKong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B42577275.

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24

Wilkin, Teddy. "Environmental effects on great tit life-histories." Thesis, University of Oxford, 2006. http://ora.ox.ac.uk/objects/uuid:f93e4bc9-4419-4713-b009-08ab98b8d950.

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Explaining variation between individuals is a central concept in ecology. Phenotypic variation is the product of genes, environments and their interactions. In contrast to genotypes which are fixed within individuals, environments vary considerably in time and space and have measurable effects on phenotypic quality between and within individuals. The aim of the current work was to identify environmental sources of life-history variation in a wild population of the great tit. The size of Thiessen polygons formed around c. 8000 nestboxes occupied over a 41 year period was used to estimate breedi

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25

Cochlan, William Patrick. "Nitrogen uptake by marine phytoplankton : the effects of irradiance, nitrogen supply and diel periodicity." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/30628.

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Diel patterns of nitrogen (NO₃⁻, NH₄⁺, urea) uptake were investigated in natural assemblages of phytoplankton from neritic and oceanic environments off the coast of British Columbia. This is the first study to report nitrogen uptake rates and extensive measurements of ambient NH₄⁺ and urea concentrations in these waters. Calculated rates of N uptake, 15 based on ¹⁵N incorporation into particulate matter during time course experiments, were maximal during the day and minimal at night. Besides the obvious effects of irradiance, the amplitude of the periodicity in uptake rate was influenced

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26

Kaminsky, George M. "Shoreface behaviour and equilibrium." Phd thesis, School of Geosciences, 2006. http://hdl.handle.net/2123/10309.

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27

Saunders, Todd D. "Ecology and community design : with special reference to Northern European ecological communities." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22548.

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I write this thesis based on the premise that many environmental problems are the result of conventional community design. I argue that conventional community designs are "anti-ecological" because they consume too much energy, produce an extraordinary amount of waste, are car-oriented, ignore any relationship with the natural environment, and reflect the irresponsible attitude of man conquering nature. However, I suggest that ecologically responsible community design alternatives do exist. I refer to these alternatives as "ecological communities". These communities attempt to function as ecosy

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28

Teague, Kara Elizabeth. "Environmental ramification of the fire ecology of slash pine (Pinus elliottii) [electronic resource] : a study of population dynamimcs and dispersal following a fire event. / by Kara Elizabeth Teague." University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000089.

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Title from PDF of title page.<br>Document formatted into pages; contains 78 pages.<br>Thesis (M.S.)--University of South Florida, 2003.<br>Includes bibliographical references.<br>Text (Electronic thesis) in PDF format.<br>ABSTRACT: With increasing encroachment on natural communities by anthropogenic activity, it is important to understand the functions of natural ecosystems in an effort to conserve natural areas. A first-hand study of the population dynamics of South Florida Slash Pine (P. elliottii Engelm. var. densa) following a fire event provided insight to its recovery and dispersal fol

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29

Vranizan, Gregory Matthew. "Rhetoric and the restoration landscape forest restoration in environmental debate /." CONNECT TO THIS TITLE ONLINE, 2006. http://etd.lib.umt.edu/theses/available/etd-03022007-101332/.

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30

Ortega, Nicole. "Flames and Frogs – The Impact of Environmental Disturbances on Host-Parasite Dynamics." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7640.

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The successful completion of this work is dedicated first to my grandparents for having always shown their unwavering love and encouragement in my journeys (most of which they kindly and politely only pretended to understand) and for having also served as life-long role models who upheld an unparalleled work ethic. To many whom I consider to be my chosen family, especially Ann Williams and Brittany Sears, who kept me laughing, but more importantly, kept my crazy train from derailing during these tumultuous years. To Wayne Price and Tom Jackman, who fostered the success of my career and are t

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31

Beaudry, Suzanne. "Effects of forest site preparation methods on carabid beetle (Coleoptera:Carabidae) diversity." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22718.

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The objective was to analyze the effects of logging and prescribed burning on carabid beetles (Coleoptera: Carabidae) at a jack pine stand and white spruce plantations in order to assess short-term impacts of these forestry practices on the diversity of this beetle group. In addition, soil scarification was also included at the jack pine stand. Based on previous reports on forest disturbance influences on carabids, it is hypothesized that short-term effects of studied forestry practices do not reduce carabids' diversity. Four carabid assemblage characteristics were compared: (a) number of catc

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32

Jones, Gregory A. "Coast redwood fire history and land use in the Santa Cruz Mountains, California." Thesis, San Jose State University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1567997.

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<p> Physical evidence of past fires, left in the form of cambial scars, suggests that low and moderate intensity fires have burned periodically for centuries in the coast redwood (<i>Sequoia sempervirens</i>) forest in California's central coast bioregion. These fires may have played an important role in shaping stand age structure and composition. Nonetheless, the ecological role of fire in shaping successional processes in the redwood ecosystem is not well understood. The extent to which both aboriginal and more recent burning practices have affected the central coast landscape is also uncer

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33

Penn, Angela Mary School of Biological Earth &amp Environmental Sciences UNSW. "The conservation and management of small mammals and lizards in a disturbed forest ecosystem." Awarded by:University of New South Wales. School of Biological, Earth and Environmental Sciences, 2005. http://handle.unsw.edu.au/1959.4/23012.

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The conservation of biological diversity has become one of the most important goals of managing forests in an ecologically sustainable way. In this thesis, I report a comprehensive study designed to examine the long-term effects of commercial logging and high-intensity fire, and the ability of Population Viability Analysis (PVA) models to predict these effects to aid in the conservation and management of multiple species. Initially, I compared the abundance of small mammals (A. agilis, R. fuscipes, A. swainsonii), and lizards (L. delicata, L. guichenoti, E. heatwolei), in sites with different

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34

Musso, Carolina. "Environmental factors, clipping and fire: effects on cerrado (Brazilian savanna) native and invasive grasses." Doctoral thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/14084.

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Doutoramento em Biologia<br>The Brazilian Cerrado houses a hugely diverse biota and is considered a conservation hotspot. One of the greatest threats to the integrity of this ecosystem is introduced African grasses, which can competitively exclude native grasses and cause changes in the microclimate and other disturbances. The Cerrado is a mosaic vegetation that provides different combinations, both spatially and temporally, of conditions that can become natural stressors to the herbaceous vegetation (water, nutrient and light availability). These mosaics are reflected in differences in

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35

O'Connor, Erin E. "Post-fire Vegetative Regrowth Associated with Mature Tree Stands and Topography on Sofa Mountain." Youngstown State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1432908700.

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36

Mtintsilana, Tando. "Environmental constraints affecting farmers in the Great-Kei Region." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1502.

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The sustainable use of the environment for agriculture has become a global priority, requiring urgent solutions in view of intensifying competition. The South African government and the agricultural sector drafted a strategic plan for South African Agriculture. In this plan it was argued that the potential for the horizontal expansion of agricultural production is limited with one of the limitations being that unused high and medium potential land is scarce. This implies that the challenge for higher agricultural production is immense because primarily it would have to come from increased effi

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37

Yazzie, Kimberly Crystal. "Watershed Response to Climate Change and Fire-Burns in the Upper Umatilla River Basin Using the Precipitation Runoff Modeling System." PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/3127.

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This study provides an analysis of watershed response to climate change and forest fire impacts, to better understand the hydrologic budget and inform water management decisions for present and future needs. The study site is 2,365 km2, located in the upper Umatilla River Basin (URB) in northeastern Oregon. The Precipitation Runoff Modeling System, a distributed-parameter, physical-process watershed model, was used in this study. Model calibration yielded a Nash Sutcliffe Model Efficiency of 0.73 for both calibration (1995-2010) and validation (2010-2014) of daily streamflow. Ten Global Climat

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38

Starling, Fernando Luis do Rego Monteiro. "Development of biomanipulation strategies for the remediation of eutrophication problems in an urban reservoir, Lago Paranoa, Brazil." Thesis, University of Stirling, 1998. http://hdl.handle.net/1893/12556.

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The feasibility of improving water quality by food web manipulation in an urban eutrophic tropical reservoir, Lago Paranoa (Brasilia, Brazil) was investigated. The potential of promising biomanipulation strategies was experimentally tested in limnocorrals: reduction of internal nutrient loading by controlling tilapia overpopulation, and suppression of nuisance cyanobacteria by stocking non reproducing filter-feeding silver carp. A four-month test in two large littoral isolated areas of the reservoir (1,000 m2 each) stocked with high vs. low tilapia biomass revealed that fish over-population pr

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El-Mahi, Yousif A. "Aspects of vegetation resilience and change in relation to major environmental disturbances in the semi-arid parts of Kordofan region-Sudan." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/6595/.

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The aim of this study has been to investigate the different responses of vegetation to the major environmental disturbances and discontinuities in Kordofan region of the Sudan. Data used have been obtained from fieldwork survey, aerial photographs and a landsat image in combination with existing maps and statistics on vegetation, climate, agriculture and population. Results obtained have shown that most plant species are neither randomly distributed nor indications of the postulated regularity of distribution were detected. Such a distributional pattern was explained through the pattern of sur

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Psaltis, June. "Climate response, age distribution, and fire history of a Corkbark Fir (Abies Lasiocarpa Var. Arizonica) stand in the Santa Catalina Mountains, Arizona." Thesis, The University of Arizona, 2001. http://hdl.handle.net/10150/278758.

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The southernmost known North American stand of corkbark fir ( Abies lasiocarpa var. arizonica (Merriam) Lemm.) is found in the Santa Catalina Mountains just north of Tucson, Arizona. Climate response, age distribution, and fire history were studied in this small corkbark fir stand to provide baseline information for future management. Response function analysis indicated April--June precipitation from the current growing season, April--June temperature from the current growing season, November--March precipitation prior to the growing season, and August--October precipitation from the previous

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41

Burns, Michael Edmund Reid. "Co-evolutionary relationships between environmental ethics and environmental assessment." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52735.

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Thesis (PhD) -- University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: The dissertation traces the development of environmental assessment and environmental ethics as these disciplines have evolved independently in response to the global environmental crisis. The aim is to determine the extent to which they can promote the integration of the dissociated objective and subjective spheres of human valuation of the environment. This is a necessary condition, it is argued, for arresting the pathology in the human-environment relationship. The study concludes that both disciplines were initial

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42

Wynn, Jennifer C. "Microbial activity of a contaminated wetland system under aerobic conditions as a measure of sediment-based intrinsic bioremediation." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/20136.

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Roychoudhury, Alakendra Narayan. "Biogeochemical dynamics in aquatic sediments : novel laboratory and field-based approaches." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/30902.

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44

Perusse, Martin. "Metal cycling in terrestrial and aquatic ecosystems." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59848.

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The present study examines the cycling of elements in the biosphere. The first chapter proposes a theoretical framework for this cycling based on both metal/ligand theory and mass balance studies. Empirical modelling serves as an alternative and complement to mass balance studies in predicting the export of elements from watersheds. Watershed output (export per unit area per unit of time) is predicted using atmospheric deposition rates, an element bonding strength index, the watershed area and a forest classification (deciduous vs coniferous). Finally the last chapter examines, in a speculativ

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45

Van, Herwerden L. "Human recreational activity and its impact on a metropolitan coastline." Master's thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/14356.

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Includes bibliography.<br>Recreation has an important social function in modern societies, with ever-increasing pressures in the day-to-day life being felt by most people. This study addresses the impact of recreational activity on metropolitan shorelines, with particular reference to the False Bay shoreline. During summer holiday periods shoreline utilization in the Western Cape peaks on the public holidays of 26 December, 1 and 2 January, beach attendances reaching levels of 2 to 10 times higher than attendances on other days during the summer holidays. The greatest proportion of visitors to

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Burger, William. "Spatial Analysis of Post-Fire Sediment Redistribution Using Rare Earth Element Tracers." Master's thesis, Temple University Libraries, 2019. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/589658.

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Geology<br>M.S.<br>Many grasslands in arid and semi-arid regions are undergoing rapid changes in vegetation, including encroachment of woody plants and invasive grasses, which can alter the rates and patterns of fire and sediment transport in these landscapes. We investigated the spatial distribution of sediments at the scale of vegetated microsites for three years following a prescribed fire using a multiple rare earth element (REE) tracer-based approach in a shrub-grass transition zone in the northern Chihuahuan desert (New Mexico, USA). To this end, we applied REE tracers – holmium, europiu

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Marangudakis, Manussos. "Emerging ideologies in the environmental movement : the N. American case of "deep" and "social ecology"." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61148.

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The Green Movement is assumed to introduce a new way to organize society, politics, economics, and technology in such a way that environmental damage will be minimized. This new approach has been called the "New Environmental Paradigm", denoting its holistic character, as much as its antithesis to the dominant "Western Paradigm". My investigation of North American environmental movement led me to conclude that the Green Movement is neither an ideologically nor a socially homogeneous movement. Instead, it consists of two distinct movements. The first one is "politics oriented", influenced by th

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Prather, Hannah Marie. "Examination of Human Impacts on the Biodiversity and Ecology of Lichen and Moss Communities." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3615.

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Globally, more than half of the world's population is living in urban areas and it is well accepted that human activities (e.g. climate warming, pollution, landscape homogenization) pose a multitude of threats to ecosystems. Largely, human-related impacts on biodiversity will hold consequences for larger ecological processes and research looking into human impacts on sensitive epiphytic lichen and moss communities is an emerging area of research. While seemingly small, lichen and moss communities exist on nearly every terrestrial ecosystem on Earth and contribute to whole-system processes (e.g

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Matheka, Reuben M. "The political ecology of wildlife conservation in Kenya, 1895-1975." Thesis, Rhodes University, 2002. http://hdl.handle.net/10962/d1007530.

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The study examines the development of wildlife conservation policy and practice in Kenya from 1895 to 1975. Started by the colonial state as part of its resource control programme, wildlife conservation in Kenya gradually became an important aspect of the country's economy chiefly because of its significance as the basis of a vibrant tourist industry. The conservation programme was also important to conservationists who viewed Kenya's wildlife as a heritage to humanity. Similarly, local communities, which were affected in various ways by wildlife conservation policies, had their own perception

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Haddock, Janet Elain. "Marine life degradation in Hong Kong : an evaluation of possible causes and mitigating strategies /." Thesis, Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14709314.

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