Protected areas (PAs) are considered a key strategy to ensure the in situ persistence of biodiversity and the ecosystem services (ES) that this provides. The coverage of PAs has exponentially expanded in the last 25 years, and they now account for approximately 13% of the Earth's surface. Alongside this expansion, PA research literature has also increased seeking to identify and assess the main factors that influence the effectiveness of PAs in sheltering biodiversity and ES from anthropogenic pressures. Spatial distribution, spatial design, management strategy and threats, have been widely acknowledged as key factors. However, despite significant progress, several aspects of these factors remain poorly explored. This thesis aims to identify and address some of the gaps, which I detail below. The second chapter contributes to understanding of how the distribution of PAs affects the representation of biodiversity and ES. To this end, the Chilean PA system was used as a case study as this has never been previously assessed in terms of ES. I found that the strong bias in Chilean PAs distribution toward southern areas, which contain mainly ice and bare rock, hampers the PA system in achieving effective representativeness. The third and fourth chapters address some gaps in PA spatial design. The third assesses for the first time the spatial design of the global PA system and provides new methodologies to achieve this at such a large scale. Focusing on the size, shape, level of fragmentation, occurrence of buffer zones and proximity to the closest PA, I demonstrate that PAs tend to be small, irregularly shaped and fragmented. However, they are often close to one another and generally have buffer zones. Using the methodology generated on third chapter, I explicitly test in the fourth chapter the combined and interactive effects of PA spatial features on their ability to represent biodiversity, which has never been tested before. Using South America as a model for study I show that the spatial design largely explains biodiversity representation and that the interaction between spatial features affects the latter. The fifth chapter focuses on threats to PAs, assessing the extent to which metal mining activities represent an actual conflict with the global PA system. Evidence suggests that the global terrestrial PA system has been effective at displacing metal mining activities from within its bounds. However, given the high proportion of mines found in the close surroundings of PAs, and the distances over which mining activities can have influences, it is highly likely that the conservation performance of a significant proportion of PAs is being affected. So far I have demonstrated that PAs are not always optimally distributed and they can compete with other land uses, which can undermine their functionality. In this regard, in the final analytical chapter I explore how using spatial conservation prioritization (SCP) tools it is possible to optimize the representation of conservation features by minimizing competition with other land uses. Specifically, I assess the consequences for biodiversity and ES representation of incorporating land use trade-offs in SCP analyses. I show that the dichotomist decision of treating a land use as a trade-off or not can have enormous consequences on biodiversity and ES representation, and the implications of such decisions have to be considered before policy recommendations. This thesis shows that distribution, spatial design and threats play an important role in PA representativeness, and that SCP techniques can make a significant contribution to balancing biodiversity and ES conservation with human activities, when trade-offs are treated comprehensively. Finally, I discuss the importance of prioritising the interactions between, rather than just individual effects of, factors in order to optimise PA effectiveness and the distribution of scarce conservation resources.

Protected forests need to be a representative selection of the natural proportion of forest types, including distribution of productivity levels, age classes and nature types This is important for the possibility to preserve biodiversity. In addition, the protected areas has to be of sufficient size and not isolated from each other, to function as effective biodiversity preservers. The question is, how does it look in reality? The objective with this study was to get an overall picture of the current forest protection situation in Östergötland, Sweden, and how it has changed the last 60 years. Are all ecologically relevant forest habitat types represented in appropriate proportions in protected forests? To evaluate where the protected areas are located in relation to each other, a connectivity index was calculated for each patch of protected area. Together with a value for size, a value index was created and applied to all protected areas, and it turns out that the protected areas of Östergötland is not totally representative when it comes to nature types, age classes and levels of productivity.For example, there is an underrepresentation of both pine and spruce forests on high-productivity soils. However, areas with higher productivity levels have been protected over time. The age distribution seems to be skewed towards older forests in protected areas. There are some underrepresented nature types, as well as overrepresented ones in nature reserves, a small overrepresentation of unproductive impediments, and only spruce and mixed forests seems well connected in the landscape. The greatest differences in protected and unprotected forests is the productivity level, were focus should be on protecting higher productivity areas in order to succeed in preserving the biodiversity of forests as intended.

The purpose of this paper is to provide a synopsis of the current issues facing ecotourism in Costa Rica; critically examine the impacts and challenges of ecotourism; analyze the potential of ecotourism as a strategy for sustainable development; look at ways in which ecotourism and sustainable development can be evaluated; and suggest ways to improve current ecotourism practices and policies for Costa Rica. What are the impacts and challenges of ecotourism? What are the possible benefits that ecotourism can bring? Is ecotourism in Costa Rica sustainable? Based on the guiding principles of ecotourism, a legitimate argument can be made that ecotourism in Costa Rica has not produced desired outcomes and is not sustainable. However, an equally strong argument can be made that although ecotourism may not currently be sustainable, it has yet to fully mature, and has shown signs that it can achieve a balance between development and conservation goals.. Ecotourism has more promise for achieving sustainability than alternative types of land use such as agriculture, cattle grazing, logging, or mass tourism. Whether or not ecotourism in Costa Rica will prove to be sustainable in the long-term remains to be seen. In order to increase the likelihood that ecotourism achieves goals of sustainable development in Costa Rica, all of the key actors must to begin to take more proactive measures in order to ensure that ecotourism is carefully planned and implemented. Ecotourism must account for social, economic and environmental implications, in order to succeed. A much more balanced and integrated approach, founded on the guiding principles of sustainable development, is essential to maximize the benefits and minimize the negative impacts of ecotourism in Costa Rica. / Master of Public and International Affairs

Research examining multidimensional health locus of control (MHLOC) beliefs in HIV-positive individuals is limited. While studies in numerous other medical populations have shown relationships between MHLOC and markers of protected health status, no other studies, to our knowledge, have done so in HIV. The MHLOC has four subscales: Internal, Chance, Doctors, and Other People. Each subscale measures the degree of belief that one's health is controlled by one of these four constructs. This study compared the MHLOC beliefs of a rare group of healthy HIV-positive individuals with very low CD4 cell counts (below 50) who were not taking HAART (HLC group), to a group of HIV-positive individuals in the mid-range of disease progression (matched control (MC) group). Two hundred forty-seven diverse participants with HIV completed MHLOC scales as part of a psychosocial battery. Seventy participants from a larger "control" group (N = 177) were matched one-to-one with a participant from the HLC group (N = 70) on four demographic variables (gender, education, ethnicity, and income). The HLC group was found to have significantly lower Internal control beliefs and higher Doctor beliefs in comparison to the MC group. An examination of MHLOC beliefs within each group showed that for both groups, Doctor beliefs were strongest, followed by Internal, Chance and Other People beliefs. Compared to the MC group, individuals with protected health status (HLC group) were more likely to have a combination of "high" Doctor and "low" Internal beliefs and less likely to have a combination of "low" Doctor and "high" Internal beliefs. Finally, affective depression approached significance as a mediator in the relationship between Doctor control beliefs and group status (HLC vs. MC group). Specifically, protected health status was related to higher Doctor beliefs and lower affective depression. Study limitations and implications are discussed.

Ecotourism is one of the fastest expanding tourism markets. It has received much attention in developing countries and economically impoverished regions around the world. As an agent of change, ecotourism has been linked to sustainable development strategies and initiatives in many places. However, ecotourism can induce a variety of both positive and negative environmental, cultural and socioeconomic impacts at a destination. Operating in its ideal form (according to some), ecotourism provides the tourist with a quality nature experience, generates funds and support for conservation efforts, has minimal environmental impact and provides socioeconomic benefits to local host communities. While there is evidence that ecotourism's espoused benefits can be realized, there are equally as many, if not more, cases where ecotourism has fallen short of its proposed objectives. Indeed, ecotourism's impact has been highly variable. At the same time, some have criticized that there have been relatively few practical assessments of ecotourism's status at specific destinations. This study sought to assess the current status of ecotourism at two destinations where it is being promoted as a regional development strategy. The existing tourism-park/resource-community relationships and impacts are evaluated at Jianfengling and Diaoluoshan National Forest Parks, in Hainan Province, China. Hainan, although endowed with a wealth of natural resources, is one of China's most economically backward provinces. Ecotourism has been identified as an important provincial strategy for balancing economic growth and conservation. The study is intended to enhance the capacity of ecotourism to generate benefits for both the local communities and destinations (the protected areas), and thus contribute to the sustainable development of the region more generally. Given the exploratory nature of the research, qualitative analysis was used. Interviews, observations and secondary sources were the main vehicles of inquiry employed in this study. Basic quantitative analysis was used to aid in the interpretation of interview results. Triangulation, in terms of both data sources (primary and secondary) and methods (document collection, observations, interviews, quantitative analysis), was used wherever possible to limit personal and methodological biases. Similar results were found in both the Jianfengling and Diaoluoshan case studies. Ecotourism development is at an early stage. As such, socioeconomic benefits for the local communities have been very limited. At the same time, residents have had to cope with reduced access to resources since the Parks were established in the mid-1990s. Nevertheless, community residents generally support conservation and are optimistic that tourism growth will yield benefits. Both Parks receive relatively few tourists, and neither Park charges a user fee. As a result, (eco)tourism has not, to date, contributed revenues towards conservation efforts. Although the Parks offer spectacular tropical scenery, facilities are basic and educational opportunities for tourists are few. Planning direction and recommendations are offered based on the study findings and the salient ecotourism literature. Identified opportunities, constraints and recommendations are used to provide a potential framework for the development of a park (eco)tourism plan at each study site. Results and recommendations could inform planning and management processes, and thus enhance the capacity of ecotourism to generate benefits at the study sites and, more generally, throughout Hainan.

Governance is widely discussed in various government sectors or agencies such as Health Care and Education and throughout the private sector. Yet, it is only recently that reference to governance with regards to parks and protected areas has come to the for-front within various political and ecological circles. Parks and protected areas are increasingly threatened by climate change and political influences and therefore, there is a current need to assess the design and operations of protected areas so that they can be properly managed for the changes that have and will continue to occur. The current study examined how five stakeholder groups perceived 12 governance factors under Ontario Parks’ management model. Results revealed that Ontario Parks’ management model is perceived as having good levels of governance for all 12 factors by the entire population and within each of the five stakeholder groups. Differences in perception were observed primarily between the Park Staff participants when compared to the Contractor and Local Resident participants

Ecotourism is one of the fastest expanding tourism markets. It has received much attention in developing countries and economically impoverished regions around the world. As an agent of change, ecotourism has been linked to sustainable development strategies and initiatives in many places. However, ecotourism can induce a variety of both positive and negative environmental, cultural and socioeconomic impacts at a destination. Operating in its ideal form (according to some), ecotourism provides the tourist with a quality nature experience, generates funds and support for conservation efforts, has minimal environmental impact and provides socioeconomic benefits to local host communities. While there is evidence that ecotourism's espoused benefits can be realized, there are equally as many, if not more, cases where ecotourism has fallen short of its proposed objectives. Indeed, ecotourism's impact has been highly variable. At the same time, some have criticized that there have been relatively few practical assessments of ecotourism's status at specific destinations. This study sought to assess the current status of ecotourism at two destinations where it is being promoted as a regional development strategy. The existing tourism-park/resource-community relationships and impacts are evaluated at Jianfengling and Diaoluoshan National Forest Parks, in Hainan Province, China. Hainan, although endowed with a wealth of natural resources, is one of China's most economically backward provinces. Ecotourism has been identified as an important provincial strategy for balancing economic growth and conservation. The study is intended to enhance the capacity of ecotourism to generate benefits for both the local communities and destinations (the protected areas), and thus contribute to the sustainable development of the region more generally. Given the exploratory nature of the research, qualitative analysis was used. Interviews, observations and secondary sources were the main vehicles of inquiry employed in this study. Basic quantitative analysis was used to aid in the interpretation of interview results. Triangulation, in terms of both data sources (primary and secondary) and methods (document collection, observations, interviews, quantitative analysis), was used wherever possible to limit personal and methodological biases. Similar results were found in both the Jianfengling and Diaoluoshan case studies. Ecotourism development is at an early stage. As such, socioeconomic benefits for the local communities have been very limited. At the same time, residents have had to cope with reduced access to resources since the Parks were established in the mid-1990s. Nevertheless, community residents generally support conservation and are optimistic that tourism growth will yield benefits. Both Parks receive relatively few tourists, and neither Park charges a user fee. As a result, (eco)tourism has not, to date, contributed revenues towards conservation efforts. Although the Parks offer spectacular tropical scenery, facilities are basic and educational opportunities for tourists are few. Planning direction and recommendations are offered based on the study findings and the salient ecotourism literature. Identified opportunities, constraints and recommendations are used to provide a potential framework for the development of a park (eco)tourism plan at each study site. Results and recommendations could inform planning and management processes, and thus enhance the capacity of ecotourism to generate benefits at the study sites and, more generally, throughout Hainan.

Governance is widely discussed in various government sectors or agencies such as Health Care and Education and throughout the private sector. Yet, it is only recently that reference to governance with regards to parks and protected areas has come to the for-front within various political and ecological circles. Parks and protected areas are increasingly threatened by climate change and political influences and therefore, there is a current need to assess the design and operations of protected areas so that they can be properly managed for the changes that have and will continue to occur. The current study examined how five stakeholder groups perceived 12 governance factors under Ontario Parks’ management model. Results revealed that Ontario Parks’ management model is perceived as having good levels of governance for all 12 factors by the entire population and within each of the five stakeholder groups. Differences in perception were observed primarily between the Park Staff participants when compared to the Contractor and Local Resident participants

In order to protect the biodiversity and the depleted marine resources, we should reserve them for future generations.Therefore, try to introduce the concept of Marine Protected Areas ( MPAs) which are based on ecosystem. It is divided into different kinds of protected areas to reserve the resources and protect the biodiversity and the completeness of natural habitats. MPAs offer the foundation of natural Sustainable Development. According to this research, and use the theory of resource economics basis to discuss the effective of MPAs. Then, it continued to discuss the effective of MPAs which is under negative uncertainty. According to the evidence of results, MPAs indeed can reap the benefit of our ecological at the same time , it also can maintain the effectiveness of MPAs.

This is a talk prepared for The Bahamas At 40: Reflecting On The Past, Envisioning The Future Conference. This talk will be given in a session entitled: Small Island Sustainability on June 13, 2013.