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Thèses sur le sujet « Clearing of land »

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1

Newland, Nicholas. "Brush cutting and brush fencing : sustainable resource use or environmental impoverishment?" Title page, contents and abstract only, 1991. http://web4.library.adelaide.edu.au/theses/09ENV/09envn549.pdf.

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2

Callow, John Nikolaus. "River response to land clearing and landscape salinisation in southwestern Australia." University of Western Australia. School of Earth and Geographical Sciences, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0085.

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[Truncated abstract] Land clearing is known to increase runoff, and in many dryland landscapes is also associated with rising saline watertables, causing increased stream salinity and degrading riparian vegetation. The limited understanding of how river morphology responds to these changes and the potential for vegetation-based strategies to offer river management options under these conditions, has prompted this research. In southwestern Australia the severity of salinity and recent nature of land clearing provides an appropriate setting to investigate river response. A data-based, multidisci
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3

Walker, Kimberley. "Clearing the Brownfields: Offsetting the Risks to Sustainable Development of Contaminated Land." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37477.

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This research develops eight recommendations for amendments to key Ontario legislation affecting Brownfield redevelopment that, if implemented, will reduce the liability and risk associated with the development of contaminated land and benefit stakeholders, such as, municipalities and developers. Utilizing the methodology of law and economics, this research examines the legal landscape in Ontario and expands the dialogue regarding the risks of developing contaminated land. Through this examination, this research uncovers the origins of the risks of Brownfield redevelopment and extrapolates r
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4

Thornton, Craig M. "Effects of land clearing, land use change and land management on soil fertility and runoff water quality in the Brigalow Belt bioregion of central Queensland, Australia." Thesis, Griffith University, 2022. http://hdl.handle.net/10072/419074.

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Terrestrial catchments adjacent to the Great Barrier Reef have undergone extensive anthropogenic modification over the last 150 years, including substantial land clearing and land use change. From 1996 to 2006, rates of land clearing in Queensland were among the highest in the world. More than 60% of this clearing occurred within the Brigalow Belt bioregion, which includes 98% of the Fitzroy Basin and 46% of the Burdekin Basin, both of which drain directly into the Great Barrier Reef lagoon. This land clearing and land use change has led to increased pollutant loads of nutrients, sediment and
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5

Noack, Denise Helen. "The contribution of heritage agreements to conservation in the Murray Mallee of South Australia /." Title page, contents and abstract only, 1991. http://web4.library.adelaide.edu.au/theses/09ENV/09envn739.pdf.

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6

Dam, Oscar van. "Forest filled with gaps effects of gap size on water and nutrient cycling in tropical rain forest : a study in Guyana = Bos gevuld met gaten : de effecten van de grootte kronendakopeningen op de water- en nutriëntenkringloop in tropisch regenwoud : een studie in Guyana /." Georgetown, Guyana : Tropenbos Guyana Programme, 2001. http://catalog.hathitrust.org/api/volumes/oclc/48485430.html.

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7

Ngeh, Chiambeng Paulinus. "Effects of land clearing methods on a tropical forest ecosystem and the growth of Terminalia ivorensis (A. Chev.)." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/15515.

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8

Laurent, Nathan R. "Mapping the landscape of public policy debate through analysis of evidence-based arguments in news media content: A case study." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/98725/1/Nathan%20Laurent%20Thesis.pdf.

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This case study of the debate around broad-scale land-clearing in Queensland adds to knowledge about the place of news media in resolving public policy issues. It includes an historical account of the issue, and from the evidence of newspaper contents, observes that some parties in such debates are likely to only conditionally accept policy outcomes, such as enacted legislation. Focusing on the regulation of broad-scale land-clearing between 1998 and 2006, the study identifies, analyses, and compares relevant, evidence-based arguments from policy stakeholders published in two Queensland newspa
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9

Jay, Grace Mairi McIntyre. "Symbolic order and material agency a cultural ecology of native forest remnants on Waikato dairy farms /." Connect to this title online, 2004. http://adt.waikato.ac.nz/public/adt-uow20060125.120921/.

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10

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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11

Clough, Elizabeth Anne, and n/a. "Factors Influencing Ant Assemblages and Ant Community Composition in a Sub-Tropical Suburban Environment." Griffith University. School of Environmental and Applied Science, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20040719.141317.

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The main objective of this study was to examine the abundance and diversity of ants in suburban sites following vegetation removal or modification for development. This research examines the capacity of suburban sites to support ant diversity, which is dependent on the site characteristics and their surrounding environment. The study focused on 29 suburban garden and 3 suburban reserve sites on the Gold Coast, Queensland, Australia. This region, through continuing land development, undergoes ongoing habitat disturbance and modification. Ground-dwelling ants were collected by pitfall trapping
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12

Clough, Elizabeth Anne. "Factors Influencing Ant Assemblages and Ant Community Composition in a Sub-Tropical Suburban Environment." Thesis, Griffith University, 2004. http://hdl.handle.net/10072/366528.

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The main objective of this study was to examine the abundance and diversity of ants in suburban sites following vegetation removal or modification for development. This research examines the capacity of suburban sites to support ant diversity, which is dependent on the site characteristics and their surrounding environment. The study focused on 29 suburban garden and 3 suburban reserve sites on the Gold Coast, Queensland, Australia. This region, through continuing land development, undergoes ongoing habitat disturbance and modification. Ground-dwelling ants were collected by pitfall trapping
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13

Friedrich, Russell L. "The short-term impacts of burning and mowing on prairie ant communities of the Oak Openings Region." Toledo, Ohio : University of Toledo, 2010. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1271382165.

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Thesis (M.S.)--University of Toledo, 2010.<br>Typescript. "Submitted to the Graduate Faculty as partial fulfillment of the requirements for the degree of Master of Science in Biology (Ecology track)." "A thesis entitled"--at head of title. Title from title page of PDF document. Bibliography: p. 38-42 and 51.
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14

Burström, Annika. "Have the Tsetse Clearings in the Babati District, Tanzania, Influenced the Spread of Agriculture Land?" Thesis, Södertörn University College, School of Life Sciences, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-2665.

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<p>The clearing of woodland to eradicate the tsetse fly in the Babati district, Tanzania, was a governmental initiative. The clearings were mainly carried out in the mid 20<sup>th</sup> century and managed to reduce the tsetse fly by a great amount. The clearings opened up remote areas and made it possible to access areas that had previously been unavailable for humans. The clearing also had an enormous impact on the environment. This is a case study on five different areas in the Babati district that have all been subjected to tsetse clearings. The studied areas are Bonga, Kiru Erri Kiru Vall
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15

Kouakoua, Ernest. "La matière organique et la stabilité structurale d'horizons de surface de sols ferrallitiques argileux : effet du mode de gestion des terres." Nancy 1, 1998. http://www.theses.fr/1998NAN10016.

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Cette étude concerne essentiellement des sols ferrallitiques argileux (du Congo, du Brésil et de la Martinique). Les formes de matière organique (MO) susceptibles de variations importantes avec le mode de gestion de terres et la stabilité de l'agrégation ont été étudiées par différentes approches : par fractionnement granulométrique du sol et par extraction du sol à l'eau chaude. La stabilité structurale est estimée par le taux de macroagregats stables à l'eau (AS) avant et après traitement à l'eau chaude (ASE). La diminution importante des teneurs en C total dans les horizons de surface des s
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16

Masson, Solène. "Du paysage à la population : impacts des changements d’usages et de la restauration face à la colonisation d’une espèce envahissante (Rubus ulmifolius Schott.) dans un écosystème sub-steppique méditerranéen." Thesis, Avignon, 2014. http://www.theses.fr/2014AVIG0665/document.

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Etudier un phénomène écologique requiert de le considérer dans sa globalité afin d’appréhender l’ensemble de ses causes et ses conséquences. Dans la plaine de la Crau, écosystème pseudo-steppique du sud est de la France, la fragmentation des habitats, la perte de biodiversité et les changements d’usage ont favorisé l’envahissement de fragments relictuels de steppe par Rubus ulmifolius Schott. Par une approche multiscalaire, les objectifs de cette thèse sont de mettre en évidence les facteurs responsables de cet envahissement, d’appréhender ses conséquences sur la communauté végétale et de test
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17

Oliveira, Adriano. "Using Blockchain to manage contracts for land clearing with sheep." Master's thesis, 2019. http://hdl.handle.net/10773/29422.

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Land clearing services are quickly spreading, mostly due to legal requirements imposed on field owners to force them to clean their terrains in order to prevent the spread of eventual wildfi res. These land clearing services are traditionally made with the help of machinery or chemicals, which is costly and heavy on the environment. An alternative is a process which is not a novelty in itself - bringing grazing animals, usually sheep, to the terrain, and have them eat the unwanted weeds. This is a cheaper and more environmental-friendly way of conducting a land clearing service. In or
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18

Schneider, Kathryn Erica. "Response of ant communities to vegetation clearing and habitat fragmentation in Central Queensland." 2004. http://arrow.unisa.edu.au:8081/1959.8/24953.

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Habitat fragmentation involves the break-up of continuous native vegetation into remnant patches that are set in a matrix of altered habitat. The consequences of habitat fragmentation include the loss of original habitat which is followed by reductions in remnant size that increase edge effects and reduce habitat quality, and also increase the isolation of remnants from one another. Habitat fragmentation is an international environmental concern that also effects Australia. Over the last ten years Queensland has been responsible for some ninety percent of the clearing occurring in Australia, a
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19

(9832535), Kamaljit Sangha. "Evaluation of the effects of tree clearing over time on soil properties, pasture composition and productivity." Thesis, 2003. https://figshare.com/articles/thesis/Evaluation_of_the_effects_of_tree_clearing_over_time_on_soil_properties_pasture_composition_and_productivity/13422212.

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The overall effect of tree clearing on pasture, litter production and major soil parameters were analysed using multivariate analysis.. "Tree clearing is practised for greater beef production and hence monetary gains from grazing systems of central Queensland. The high rates of clearing in the past and even recently (577, 000 ha/yr during 1999-2001) were mainly to develop land for pastures. The sustainability of cleared pasture systems over the long-term is questioned. Three major types of tree communities i.e. Eucalyptus populnea F. Muell., E. melanophloia F. Muell. and Acacia harpophylla F.
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20

Zwane, Alix Peterson. "Essays in environment and development." 2002. http://catalog.hathitrust.org/api/volumes/oclc/52628924.html.

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