Masterarbeit, 2016
47 Seiten, Note: 1,0
1. Introduction
2. Literature Review - Key concepts and Theory
3. Methodology
4. Results
5. Discussions and Conclusions
6. Limitations
This dissertation investigates the alignment between biodiversity conservation and carbon sequestration objectives within ecological restoration projects, using the Tasmanian Midlands Restoration Programme (TMRP) as a case study to evaluate potential synergies and trade-offs while identifying the primary motivators for private landholders to participate in such initiatives.
Restoration Prioritising Biodiversity Conservation
The problem of many agricultural areas is not necessarily that the conditions are not suitable for restoration but that the native vegetation and native animal habitats are increasingly fragmented by human activities, e.g. the introduction of centre pivot irrigation. As a result, animal populations within these areas face different threats because of the limited hiding space, lack of food sources and their decreasing population sizes. Therefore, restoration can foster the process of restoring biodiversity values by revegetating these areas. However, ecosystems in their natural condition are diverse in their functions and structures and every place has its own specific prerequisites for the selection of restoration plantings and its configuration (Bradshaw et al. 2013; Naiman and Decamps, 1997).
A key characteristic of successful restoration plantings for conserving biodiversity is resilience to disturbances, e.g. fire, weed, pests and diseases, and resistant to climate change. Plantings with greater genetic, taxonomic and functional complexities have these characteristics and are consequently more suitable for biodiversity conservation projects (Mackey et al. 2008). For example, restoration plantings for carbon storage purposes are used mainly by common, generalist native and non-native species which are of least conservation concern. Among birds crows or cockatoos and some marsupial mammals benefit from revegetated areas as new or expanded habitat but the benefits for the more concerned native fauna like bats and small terrestrial mammals are rather limited in the short-term (Kavanagh 2005; Kavanagh 2010).
1. Introduction: Outlines the ecological context of Tasmania, the degradation of the Northern Midlands, and the establishment of the TMRP as a response to environmental decline.
2. Literature Review - Key concepts and Theory: Defines key ecological concepts and discusses the ecosystem function theory regarding biodiversity and carbon storage in restoration.
3. Methodology: Describes the case study approach of the TMRP and the qualitative research design involving interviews with various stakeholders.
4. Results: Details the characteristics of different restoration types, the impacts of the TMRP, and summarizes the findings from interviews with private landholders.
5. Discussions and Conclusions: Evaluates the synergy between biodiversity and carbon sequestration, interprets the project's outcomes, and concludes on the importance of stakeholder engagement.
6. Limitations: Discusses the constraints of the study, particularly regarding the lack of quantitative data and the limited number of interviewees.
Ecological restoration, Biodiversity conservation, Carbon sequestration, Tasmanian Midlands Restoration Programme, TMRP, Ecosystem services, Landholder incentives, Sustainable development, Australia, Climate change, Vegetation management, Native habitat, Environmental policy, Carbon trading, Land-use management.
The research examines whether biodiversity conservation and carbon sequestration objectives can be complementary in ecological restoration projects, specifically within the Tasmanian Midlands.
The work covers ecological theory, restoration planting strategies, fire management, land-use changes in agriculture, and the socio-economic drivers for private landholder participation.
The primary goal is to evaluate if the TMRP's focus on biodiversity can effectively align with or accommodate carbon storage goals, and to identify what drives farmers to support these efforts.
The study utilizes a qualitative approach, employing an extensive literature review followed by semi-structured interviews with 13 key project stakeholders, including management, partners, and landholders.
The main body discusses the differences in restoration techniques for carbon versus biodiversity, the potential for combined goals, and the challenges landholders face regarding farm productivity and restoration commitment.
It is defined by the intersection of environmental restoration, climate policy, and private land management in the Australian context.
The TMRP prioritizes high-diversity and low-density plantings to create corridors and habitat, which contrasts with the high-density monocultures often prioritized for quick carbon gains.
Most landholders are driven by a sense of environmental responsibility and the provision of shade and shelter for livestock, although they acknowledge that carbon credits could provide future financial sustainability.
The study notes that agricultural intensification poses threats to native fragments, yet farmers are willing to participate in restoration if it does not overly compromise their farming productivity.
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