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Dissertations / Theses on the topic 'Forest resilience'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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1

Duveneck, Matthew Joshua. "Managing for Resistance and Resilience of Northern Great Lakes Forests to the Effects of Climate Change." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1551.

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Climate change is expected to drastically change the environmental conditions which forests depend. Lags in tree species movements will likely be outpaced by a more rapidly changing climate. This may result in species extirpation, a change in forest structure, and a decline in resistance and resilience (i.e., the ability to persist and recover from external perturbations, respectively). In the northern Great Lakes region of North America, an ecotone exists along the boreal-temperate transition zone where large changes in species composition exist across a climate gradient. Increasing temperatu

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2

Milton, Ashley D. "Forest resilience for livelihoods and ecosystem services." Thesis, George Mason University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3720748.

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<p> Deforestation in the Congo Basin is altering the natural functioning and services of the ecosystem and adversely impacting highly vulnerable human populations who rely on their proper functioning. There is currently no framework that comprehensively addresses the historical and cultural complexities that are persistent in Central African societies and that also include, from a micro scale, the detailed voices of local communities. Without such a holistic framework, it is difficult to evaluate the effectiveness or harmfulness associated with current management strategies in responding to de

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3

Dahl, Ida. "Naturvårdshänsyn i boreal bruksskog : En studie om avverkningar och avverkare i skogarna runt Saxdalen i södra Dalarna." Thesis, Södertörns högskola, Institutionen för livsvetenskaper, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-10689.

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As the past century’s technological development has progressed the Swedish boreal forests have transformed into dense, highly productive, homogenous and coniferous forests. The area around Saxdalen in Ludvika municipality has long been dominated forests which have been heavily worked since the 18th century. There are in Ludvika 119 000 hectares of productive forest land. Around 70 percent are owned by forest companies and 20 by private forest owners. The forestry is governed by national laws and instructions from the Swedish Forest Agency. Foresters may also choose to abide by certification sy

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4

Hoppe-Speer, Sabine Clara-Lisa. "Response of mangroves in South Africa to anthropogenic and natural impacts." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1012123.

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The total mangrove area cover in South Africa is 1631.7 ha, with the largest area cover in a few estuaries in the KwaZulu-Natal Province (1391.1 ha) and the remainder recorded in the Eastern Cape Province with 240.6 ha. This represents 0.05 percent of Africa‟s mangrove area cover and although small adds irreplaceable value to the biodiversity of South Africa. Mangroves are threatened by over-utilization through harvesting for firewood and building materials as well as excessive browsing and trampling by livestock. The objective of this study was to investigate the response of mangroves to diff

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5

Hardiman, Brady S. "Resilience of Forest Carbon Storage through Disturbance and Succession." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1339686584.

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6

Agne, Michelle Christine. "Serotinous forest resilience in a warmer and more fire-prone world." Thesis, Agne, Michelle Christine (2022) Serotinous forest resilience in a warmer and more fire-prone world. PhD thesis, Murdoch University, 2022. https://researchrepository.murdoch.edu.au/id/eprint/66166/.

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Warming climate and increased fire activity are expected to lead to decreased capacity of woody plant-dominated ecosystems to recover following fire (i.e., the erosion of resilience) in ecosystems globally. Systems characterized by stand-replacing fire regimes and dominated by serotinous plants (plants that release seeds from cones when heated by fire) may be particularly at risk. Two key conditions for resilience to fire in systems dominated by serotinous species are the sufficient production of cones following one fire and prior to the occurrence of subsequent stand-replacing fire (reburn) a

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7

Sánchez, Pinillos Martina. "Forest resilience and post-disturbance dynamics: the role of species composition and structure." Doctoral thesis, Universitat de Lleida, 2019. http://hdl.handle.net/10803/667393.

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Amb la creixent incidència d'esdeveniments ecològics extrems, quantificar la resistència i resiliència dels boscos i entendre quins factors estan implicats en la seva dinàmica post-pertorbació són prioritats essencials per investigadors i gestors. Malgrat això, avaluar adequadament la capacitat de resposta dels sistemes forestals continua sent una tasca complicada. Aquesta tesi pretén avançar en les tècniques d'avaluació i quantificació de la resistència i resiliència dels boscos a pertorbacions naturals amb l'objectiu final d'entendre millor els processos subjacents de les dinàmiques post-per

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8

Maringer, Janet [Verfasser], and Giselher [Akademischer Betreuer] Kaule. "Resistance and resilience of European beech forests (Fagus sylvatica L.) after forest fire / Janet Maringer ; Betreuer: Giselher Kaule." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2016. http://d-nb.info/1124465898/34.

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9

Sandberg, Maria. "Efficient treatment of forest industrial wastewaters : Energy efficiency and resilience during disturbances." Doctoral thesis, Karlstads universitet, Fakulteten för teknik- och naturvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-13031.

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This work concerns the efficient treatment of wastewaters from pulp and paper mills by means of aerobic biological processes. For treatment processes there are many aspects of efficiency and the present study investigates both energy efficiency and purification efficiency during disturbances. Special focus is put on wood extractives, such as resin acids and fatty acids, since they can cause negative effects in fish and other organisms in the receiving waters. They can furthermore be toxic to microorganisms in a biological treatment plant. They also affect oxygen transfer, which is important fo

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10

Duncan, C. A. "Mangrove forest ecosystem services : biodiversity drivers, rehabilitation and resilience to climate change." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1553177/.

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Mangrove forests provide a significant contribution to human well-being; particularly through climate change mitigation and adaptation (CCMA) due to disproportionately high carbon sequestration and coastal protection from tropical storms. However, mangrove community structure drivers of these ecosystem services (ES), rehabilitation potential for high CCMA ES delivery, and their resilience to climate change impacts remain poorly understood and monitored. This thesis uses field- and satellite remote sensing-based methods and a dual focus at a Philippines-specific and West Africa to South Asian-s

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11

Senior, Rebecca A. "The impacts of forest conversion and degradation on climate resilience in the tropics." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/21999/.

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12

Evans, Paul M. "Dynamics of forest ecosystem properties and resilience in a temperate woodland undergoing dieback." Thesis, Bournemouth University, 2018. http://eprints.bournemouth.ac.uk/30829/.

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Given that woodland disturbance events are expected to become more frequent and severe in the future, it is crucial to understand how fundamental underlying ecosystem properties (EPs) including biodiversity, ecosystem functions and ecosystem services will be impacted. Currently, this knowledge is severely limited, but is essential for future management of forests at both stand and landscape scales. The impact of such disturbances on EPs can be quantified through the use of ecological resilience and its associated concepts. Resilience relates to either the amount of disturbance an ecosystem can

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13

Vizzarri, Matteo. "Towards the "resilience thinking": the effects of forest management on ecosystem services provision." Doctoral thesis, Università degli studi del Molise, 2015. http://hdl.handle.net/11695/66291.

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Negli ultimi decenni, gli effetti dell’uomo sui sistemi terrestri hanno crescentemente minacciato la disponibilità dello stock e dei flussi di capitale naturale. Gli effetti dei cambiamenti climatici, le trasformazioni nell’uso e copertura del suolo, e le pratiche di gestione non sostenibile hanno fortemente ridotto la resilienza, la resistenza e la stabilità degli ecosistemi, compromettendo così la conservazione della biodiversità e l’approvvigionamento dei servizi ecosistemici. In particolare, le risorse forestali si sono confrontate con disturbi esterni, stress e impatti, riducendo così la

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14

Colavito, Melanie Meyers. "The Role of Science in Collaborative Forest Management." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/593634.

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Forest health in the United States has been suffering due to threats such as climate change, wildfire, and human development. As a result, efforts are being undertaken to restore natural processes, improve health, and foster resilience in forested systems. Such efforts involve diverse stakeholders, land management agencies, scientists, and the public, who work together collaboratively to find common goals and agreeable solutions. Central to collaborative forest management is an emphasis on using science to inform decision-making. Yet there are many challenges to applying science in decision-ma

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15

Anderson, Nathaniel S. "Ecophysiological mechanisms underpinning resilience to climate change in the Northern Jarrah Forest (Western Australia)." Thesis, Anderson, Nathaniel S. (2020) Ecophysiological mechanisms underpinning resilience to climate change in the Northern Jarrah Forest (Western Australia). Honours thesis, Murdoch University, 2020. https://researchrepository.murdoch.edu.au/id/eprint/59134/.

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Southwestern Australia has experienced a consistent warming and drying trend since the 1970s. Alongside changes in mean climate, extreme events such as droughts and heat waves have also increased in frequency and are linked to forest canopy collapse and larger, more severe bushfires. The increasing frequency of drought, heat waves, and wildfires associated with climate change highlight the importance of understanding forest recovery after disturbances. A key area of uncertainty is how climate disturbances such as drought and heatwaves interact with other events such as wildfire. Plant leaves

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16

McDonald, M. Christine. "Ecosystem resilience and the restoration of damaged plant communities : a discussion focusing on Australian case studies /." View thesis, 1996. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030625.095246/index.html.

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17

Haber, Lisa T. "Forest Structural Complexity and Net Primary Production Resilience Across a Gradient of Disturbance in a Great Lakes Ecosystem." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5277.

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Forests are an important component of the global carbon (C) cycle and contribute to climate change mitigation through atmospheric C uptake and storage in biomass and soils. However, the forest C sink is susceptible to disturbance, which modifies physical and biological structure and limits spatial extent of forests. Unlike severe, stand-replacing disturbances that reset forest successional trajectories and may simplify ecosystem structure, moderate severity disturbances may instead introduce complexity in ways that sustain net primary production (NPP), leading to the phenomenon of “NPP resilie

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18

Tovar, Ingar Carolina. "Central African lowland forest resilience to fire disturbance and climate change : answers from the past." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:6320672d-fcda-4aab-993c-db699de63bac.

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Tropical rainforests have been and will remain subjected to various natural and human pressures, which have already led to rainforest degradation and disappearance. This thesis aims to improve our current knowledge of the likely future trajectory of the persistence of the tropical African rainforest under climate change and fire impact through reconstruction of past vegetation and burning dynamics using palaeoecological records from sedimentary sequences. I used several types of palaeoecological proxies (i.e., fossil charcoal, phytolihs, and fossil pollen) from sediment records collected in th

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19

Flenner, Ida. "Forest lakes affected by forestry - how resilient are dragonfly communities to logging in Central Sweden?" Thesis, Halmstad University, School of Business and Engineering (SET), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-797.

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<p>The main cause of environmental disturbance in the Fennoscandian boreal forests today is forestry. Natural disturbances are important to maintain diversity, but anthropogenic disturbance, such as forestry, differs in many ways from the natural ones. Forestry is a big industry in Sweden and only a small remnant of old-growth forest is left. Several studies have shown an initial decrease in e.g. dragonfly diversity a few years after logging, followed by an increase up to numbers comparable with the original species number. In this study I examined whether the new, quite diverse, species compo

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McDonald, M. Christine. "Ecosystem resilience and the restoration of damaged plant communities : a discussion focusing on Australian case studies." Thesis, View thesis, 1996. http://hdl.handle.net/1959.7/uws:683.

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An examination was undertaken of the literature and restoration cases for 4 major Australian vegetation types (sclerophyll; rainforest; grassland; and wetland) to explore the proposition that ecological resilience may govern recovery after anthropogenic damage, and/or provide a fundamental guide and measure of success for ecological restoration. Also, primary data were collected from highly degraded sites (5 sclerophyll, 3 rainforest, and 4 grassy sites) to assess recovery after restoration treatment. These were supplemented with questionnaire data from practitioners working at a wider range o

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21

Villa, Pedro Manuel. "Ecological drivers of tree diversity and ecosystem functioning during succession in Amazon: forest resilience after indigenous shifting cultivation." Universidade Federal de Viçosa, 2018. http://www.locus.ufv.br/handle/123456789/21157.

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Submitted by Marco Antônio de Ramos Chagas (mchagas@ufv.br) on 2018-08-14T17:36:33Z No. of bitstreams: 1 texto completo.pdf: 3902930 bytes, checksum: 31f39024e5a42e2fdd5858bf9c02e292 (MD5)<br>Made available in DSpace on 2018-08-14T17:36:33Z (GMT). No. of bitstreams: 1 texto completo.pdf: 3902930 bytes, checksum: 31f39024e5a42e2fdd5858bf9c02e292 (MD5) Previous issue date: 2018-04-05<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>A floresta Amazônica vem sendo ameaçada pelas mudanças no uso da terra para a expansão da fronteira agrícola, provocando uma simplificação taxo

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Bernays, Sofie. "Chasing the Dragon: The Resilience of a Species to Climate Change in the Wet Tropics, Australia." Thesis, Griffith University, 2015. http://hdl.handle.net/10072/367595.

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Throughout history, climatic changes have caused environmental systems to shift and have influenced biotic assemblages. Most of these changes have occurred slowly, over millions of years, enabling species to either adapt to new conditions, endure the changes, or shift distributions to maintain their habitat requirements. Due to the fast rate at which climate change is currently occurring, it is unknown if species will be able to use these mechanisms to successfully respond to this rapidly changing environment. Areas that have small geographical extents, elevated uplands and high numbers of end

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Cole, Lydia Eve Spencer. "Disturbance, recovery and resilience in tropical forests : a focus on the coastal peat swamp forests of Malaysian Borneo." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:a135aff3-ea84-4766-8046-b3bb4ce31275.

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Tropical forests have existed for up to one hundred million years, and today provide many ecosystem services vital for human well-being. They also harbour great biodiversity, which, in addition to its intrinsic value, plays a key role in the functioning of these ecosystems. Despite their local to global significance, there are still many knowledge gaps concerning the dynamic processes that govern the functioning of tropical forests. Rapid rates of deforestation and landscape conversion, predominantly for logging and industrial agriculture, are limiting the time and opportunity available to col

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Pogue, Sarah. "Resilience management in social-ecological systems : developing a new evolutionary approach : a case study - the New Forest National Park." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/389505/.

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Social-ecological systems are complex, dynamic systems with strong interdependencies between their ecological components and the social actors that depend upon and shape them. They are characterised by resilience, multiple stable states and adaptive capacity and are constantly exposed to variable environmental conditions. These characteristics vary across space and time as does the supply of the ecosystem services they provide. Whilst such systems and their characteristics are well documented from a conceptual and theoretical standpoint, the quantitative examination of social-ecological interd

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Mickleburgh, Peter. "The effects of structural heterogeity on microclimate temperature in old growth forest the implactions for ecosystem resilience and climate change." Thesis, University of Essex, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.536963.

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Karfakis, Theodoros. "Amazonian forest functional composition and resilience to sellective logging : an enquiry using permanent sample plot data and computer simulation models." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/31410.

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This study set out to explore the hypothesis that previously undisturbed Amazonian terra firme (non-flooded) tropical forests show a gradient in resilience to selective logging as a function of tree species functional composition and in particular a positive relation with the presence of a specific ecological guild regarded as intermediate in the process of ecological succession known as the light hardwoods (LHW's). Field data came from the Manaus and Tapajos regions in Brazil and the Puerto Maldonado region in Peru. In response to drought stress induced canopy opening which is the natural dis

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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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28

Gardner, Richard Scott. "Clonal Diversity of Quaking Aspen (Populus Tremuloides): How Multiple Clones May Add to Theresilience and Persistence of this Forest Type." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1729.

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Conservation and restoration of quaking aspen in the western United States requires an understanding of how and when aspen clones became established, how clones adapt to environmental challenges, and how individual clones interact within stands. I used molecular tools to identify individual clones in a natural population of aspen in southern Utah and detected high and low levels of clonal diversity within stands. Stands with high clonal diversity were located in areas with a more frequent fire history, indicating that fires may have prepared sites for seed germination and establishment over ti

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Longo, Marcos. "Amazon Forest Response to Changes in Rainfall Regime: Results from an Individual-Based Dynamic Vegetation Model." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:11268.

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The Amazon is the largest tropical rainforest in the world, and thus plays a major role on global water, energy, and carbon cycles. However, it is still unknown how the Amazon forest will respond to the ongoing changes in climate, especially droughts, which are expected to become more frequent. To help answering this question, in this thesis I developed and improved the representation of biophysical processes and photosynthesis in the Ecosystem Demography model (ED-2.2), an individual-based land ecosystem model. I also evaluated the model biophysics against multiple data sets for multiple for

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Goodrich-Stuart, Ellen. "Forest Net Primary Production Resistance Across a Gradient of Moderate Disturbance." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/627.

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The global carbon (C) balance is vulnerable to disturbances that alter terrestrial C uptake and loss. Moderate disturbances that kill or defoliate only a subset of canopy trees such as insect defoliation, drought, and age-related senescence are increasing in extent and frequency; yet, little is known about the effect of moderate disturbance on forest production and the mechanisms sustaining or supporting the recovery of the C cycle across a range of moderate disturbance severities. We used a broad plot-scale gradient of upper canopy tree mortality within a large manipulation of forest disturba

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Nzante, Ekiyie. "Improving socio-ecological resilience strategies of climate change in the Nelson Mandela Bay Metropole." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/d1018823.

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The Kyoto Protocol of UNFCCC (United Nations Framework Convention on Climate Change) postulated that anthropogenic causes are the main drivers of global climate change. This Kyoto Protocol was ratified by South Africa, with South Africa accepting all the binding commitments. Since then South Africa has promulgated legislations which cater for the environment and the reduction of the greenhouse gases respectively, with the aim of promoting sustainable development. The South African constitution has recognised the environment in Section 24. This is the birth place of the “Environmental Clauses”

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Mirabel, Ariane Sandrine. "Réponse et résilience de la biodiversité d'une Forêt Tropicale après Perturbation Inescapable Taxonomists : Workable Biodiversity Management Based on a Minimum Field Work Post-Disturbance Tree Community Trajectories in a Neotropical Forest 30 Years of Post-disturbance Recruitment in a Neotropical Forest." Thesis, Guyane, 2018. http://www.theses.fr/2018YANE0006.

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Dans le contexte de changements actuel, clarifier la réponse des forêts aux perturbations est indispensable pour préserver les biens et services qu’elles rendent. Le fonctionnement et le maintien des forêts dépend largement de la diversité des communautés d'arbres qui devient un enjeu majeur, en particulier dans les régions tropicales où les forêts sont les plus menacées et où les enjeux économiques, sociaux et environnementaux sont les plus importants. Cette thèse étudie la réponse aux perturbations de la diversité taxonomique et fonctionnelle d’une communauté en forêt Néotropicale. Nous anal

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Wagner, Sven, Susanna Nocentini, Franka Huth, and Marjanke Hoogstra-Klein. "Forest Management Approaches for Coping with the Uncertainty of Climate Change: Trade-Offs in Service Provisioning and Adaptability." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-147145.

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The issue of rapid change in environmental conditions under which ecosystem processes and human interventions will take place in the future is relatively new to forestry, whereas the provision of ecosystem services, e.g., timber or fresh water, is at the very heart of the original concept of forest management. Forest managers have developed ambitious deterministic approaches to provide the services demanded, and thus the use of deterministic approaches for adapting to climate change seem to be a logical continuation. However, as uncertainty about the intensity of climate change is high, forest

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Martin, Katherine L. "Ecosystem dynamics in Central Appalachian riparian forests affected by hemlock woolly adelgid." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337364581.

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Leftwich, Samuel Joseph. "The resilience of forests to the urban ecosystem." Cleveland State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=csu1631645306327862.

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Tengö, Maria. "Management Practices for Dealing with Uncertainty and Change : Social-Ecological Systems in Tanzania and Madagascar." Doctoral thesis, Stockholms universitet, Institutionen för systemekologi, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-309.

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The development of human societies rests on functioning ecosystems. This thesis builds on integrated theories of linked social-ecological systems and complex adaptive systems to increase the understanding of how to strengthen the capacity of ecosystems to generate services that sustain human well-being. In this work, I analyze such capacity in human-dominated production ecosystems in Tanzania and Madagascar, and how this capacity is related to local management practices. Resilience of social-ecological systems refers to the capacity to buffer change, to re-organize following disruption, and fo

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Flores, Bernardo Monteiro. "Resilience of Amazonian forests: the roles of fire, flooding and climate." PROGRAMA DE P?S-GRADUA??O EM ECOLOGIA, 2016. https://repositorio.ufrn.br/jspui/handle/123456789/23363.

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Davis, Emily Jane. "Resilient forests, resilient communities : facing change, challenge, and disturbance in British Columbia and Oregon." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/38066.

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This research examines 1) the historical precedents for the complex ecological and socioeconomic disturbances that forest communities in the North American West face today; and 2) the multi-level governance approaches that have arisen to address these disturbances. There has been a rise in multi-level, regional forms of environmental governance that cross scales and involve stakeholders in resource management and community development decisions. Scholars of community-based natural resource management and resilience have argued that devolution affords local empowerment, and that multi-level gov

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Christoffersen, Bradley. "The Ecohydrological Mechanisms of Resilience and Vulnerability of Amazonian Tropical Forests to Water Stress." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/293566.

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Predicting the interactions between climate change and ecosystems remains a core problem in global change research; tropical forest ecosystems are of particular importance because of their disproportionate role in global carbon and water cycling. Amazonia is unique among tropical forest ecosystems, exhibiting a high degree of coupling with its regional hydrometeorology, such that the stability of the entire forest-climate system is dependent on the functioning of its component parts. Belowground ecohydrological interactions between soil moisture environments and the roots which permeate them

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Granados, García Maria Elena. "Restauración de bosques de Pinus halepensis mediante la introducción de especies rebrotadoras para aumentar su resiliencia ante incendios forestales." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/668640.

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Los ecosistemas de la Cuenca Mediterránea han experimentado a lo largo de tiempos ancestrales fuertes y prolongados procesos de degradación, por lo que desde el último tercio del siglo XIX se han realizado forestaciones con el objetivo de regenerar zonas degradadas o afectadas por incendios forestales recurrentes. Estudios recientes de series climáticas de medio plazo para la Cuenca Mediterránea y Europa Meridional, están mostrando un aumento significativo de olas de calor y sequías recurrentes. Esto sugiere un incremento en el déficit de agua que podría conducir a un incremento en el estrés h

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Maxwell, Jordan Daniel. "Impacts of Novel Fire and Herbivory Regimes on Snow-WaterResources and Resilience of Aspen Forests." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/8267.

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Human activities and expansion have created novel disturbance patterns across Earth’s landscapes. Disturbance is an ecological interruption after which ecosystem recovery or transition into a new state can occur, affecting biodiversity, ecosystem functioning, and theavailability of ecosystem services. Fire and herbivory are two of the most widespread forces of disturbance which shape ecosystems globally. In temperate forest ecosystems, fire affects forest composition, which influences the diversity and resilience of ecosystems (chapters 1 and 2) and forest canopy structure, which is important

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Martín, Alcón Santiago. "Tree-species diversification in Sub-Mediterranean pine forests: drivers, consequences and management options." Doctoral thesis, Universitat de Lleida, 2015. http://hdl.handle.net/10803/312149.

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Our results confirm that Sub-Mediterranean pinewoods in the eastern Pyrenees are currently undergoing a process of spontaneous diversification by broadleaved tree species (especially evergreen and marcescent oaks). The establishment of Quercus seedlings under the pine canopy was favored by the current levels of both canopy closure and shrub cover, which in contrast hampered pine recruitment and the established oaks (particularly Q. ilex) to reach more advanced developmental stages. We also show that the occurrence of large stand-replacing fires triggers important vegetation changes from

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Parsole, Laura. "Rest and recuperation in the armed forces: its relationship with resilience and mental health." Thesis, University of London, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589452.

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There is evidence from epidemiological studies of recent armed conflicts that resilience and the ability to recover from adversity might be common amongst Service personnel. Despite this, neither has yet been directly assessed within U.K. military. The military policy of Rest and Recuperation (R&R) is thought to play an important role in promoting resilience, recovery and wellbeing; however, as yet there is no empirical evidence to support its effectiveness. The current study aimed to develop a measure of experiences of and satisfaction with R&R (R&R-RQ), in order to evaluate its effectiveness

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Knoot, Tricia Gorby. "The state, resilience, and potential future of oak-dominated forests in the Driftless Area of the midwestern U.S." [Ames, Iowa : Iowa State University], 2008.

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House-Peters, Lily A., and Lily A. House-Peters. "Desert Forests and Riparian Flows: Tracing Social-Ecological Transformations in the Transboundary San Pedro River." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621288.

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This dissertation aims to advance understanding of the social and ecological dynamics that transform riparian forests and the human and non-human communities that depend on riparian resources. The four articles that comprise this dissertation examine the causes and consequences of social-ecological transformations in the riparian zone of the transboundary San Pedro River watershed, located in the Sonoran Desert borderlands of southern Arizona, USA and northern Sonora, Mexico. The research utilizes an interdisciplinary, mixed methods approach that combines interviews with key informants (includ

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Manninen, O. (Outi). "The resilience of understorey vegetation and soil to increasing nitrogen and disturbances in boreal forests and the subarctic ecosystem." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526211732.

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Abstract Climate change and its warming effects on vegetation and soils are a widely recognized phenomenon. In addition to warming, the understorey vegetation in northern environments has been subjected to several environmental changes, such as increasing nitrogen (N) and other disturbances. This thesis examines the effects of N-fertilization and disturbances on the vegetation biomass and abundance, plant community composition and plant, soil and microbial N and C pools. Seedling establishment of the most common dwarf shrubs (deciduous Vaccinium myrtillus, evergreens V. vitis-idaea and Empetru

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Jerome, Gemma. "Exploring the critical factors and forces affecting the longevity and resilience of community-scale green infrastructure." Thesis, University of Liverpool, 2016. http://livrepository.liverpool.ac.uk/3007211/.

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In an ongoing period of austerity in the UK, there is a growing assumption that communities will increasingly help deliver what have traditionally been seen as public services. This thesis seeks to explore the extent to which community groups make a significant contribution to the delivery and management of green infrastructure provision within a metropolitan context, using The Mersey Forest as the case study area. Whilst much has been made of the role of communities in managing land for food production the research identified that the range of community groups, and the differences between the

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DE, AMBROGI FRANCESCO PAOLO GUIDO. "RESILIENZA E DISADATTAMENTO LAVORATIVO. ASPETTI DI SVILUPPO LUNGO L'ARCO DI VITA, CLINICI, FORENSI E DI PERSONALITA'." Doctoral thesis, Università Cattolica del Sacro Cuore, 2012. http://hdl.handle.net/10280/1330.

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Seguendo l’approccio metodologico della grounded theory sono stati esplorati i dati relativi a 32 relazioni psicodiagnostiche a fini peritali per casi di disadattamento lavorativo. I dati sembrano evidenziare ipotesi teoriche riguardanti dinamiche e caratteristiche intrapsichiche coinvolte nei processi di fronteggiamento degli eventi avversativi in ambito lavorativo, come ad esempio il mobbing. In particolare il costrutto di resilienza e le concettualizzazioni tipiche della psicologia dello sviluppo lungo l’arco di vita sembrano essere elementi teorici che integrati nelle tradizioni di ricerca

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DE, AMBROGI FRANCESCO PAOLO GUIDO. "RESILIENZA E DISADATTAMENTO LAVORATIVO. ASPETTI DI SVILUPPO LUNGO L'ARCO DI VITA, CLINICI, FORENSI E DI PERSONALITA'." Doctoral thesis, Università Cattolica del Sacro Cuore, 2012. http://hdl.handle.net/10280/1330.

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Seguendo l’approccio metodologico della grounded theory sono stati esplorati i dati relativi a 32 relazioni psicodiagnostiche a fini peritali per casi di disadattamento lavorativo. I dati sembrano evidenziare ipotesi teoriche riguardanti dinamiche e caratteristiche intrapsichiche coinvolte nei processi di fronteggiamento degli eventi avversativi in ambito lavorativo, come ad esempio il mobbing. In particolare il costrutto di resilienza e le concettualizzazioni tipiche della psicologia dello sviluppo lungo l’arco di vita sembrano essere elementi teorici che integrati nelle tradizioni di ricerca

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Sanders, Shareen. "Increased Drought and Fire Intensity Regimes Reduce the Ecological Resilience of Mediterranean Forests in the South-West Australian Floristic Region." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-419206.

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Future climate projections suggest an increase in average temperature as well as a decrease in average winter rainfall across the south-west Australian floristic region (SWAFR). These adverse future climatic conditions will amplify the intensity and frequency of disturbance events such as drought and fire. Mediterranean forests within the SWAFR are prone to drought and fire disturbance and have acquired resilience through the selection of drought and fire tolerable species. However, shifts in the magnitude of these disturbance events could increase the recovery period required for recruitment,

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