Thesis (Ph. D.)--University of Oregon, 2002. / Typescript. Includes vita and abstract. Includes bibliographical references (leaves 523-570). Also available for download via the World Wide Web; free to University of Oregon users.

Anthropologists have long recognized the central role of social systems in enhancing environmental sustainability, but few have attempted to accurately assess the conditions under which traditional social institutions can equitably and effectively manage access to natural resources for the purposes of their use and conservation. By failing to look closely at how resource management practices are shaped both by local-level cultural institutions and the political and economic forces of government policies and markets, anthropologists have compounded the confusion surrounding the functions and capacities of traditional resource management institutions. / This dissertation examines the connections between institutional and economic incentives and resource use and management decisions among the Naso indigenous people in Bocas del Toro, Panama. The study incorporates insights from development anthropology, common property systems and political ecology to develop a multi-sited approach that uses multiple research methods. A detailed household survey (n=54 or 18% of Naso households located within the eight villages surveyed in 2004) was used to obtain socio-demographic data and to establish patterns of land tenure and resource use. Preliminary and follow-up interviews were also conducted with community leaders, government officials and representatives of various national and international organizations with a stake in the conservation and/or development of the Naso region. / As a group, the Naso were found to use both indigenous and imported technologies to manage a wide range of natural resources towards ensuring the economic, cultural and ecological viability of their communities. However, recent legislation intended to recognize Naso land rights and a hydroelectric project nearing construction on Naso lands have sought to modify the formal rules and organizations that have traditionally served to order local resource tenure and management practices. This thesis analyses the guidelines and criteria invoked by the various stakeholders involved with these projects in order to assess the equity of the distribution of their social and environmental impacts. It highlights the need to become more sceptical and sophisticated when assessing the objectives and justifications provided by the academics, government agencies, local authorities and private companies involved in the conservation and development of indigenous peoples' territorial resources.

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Since the turnover of the Panama Canal from the U.S. to Panama, the Panamanian government has made increasing tourism to the country a high priority in order to increase foreign monetary revenue and the socio-economic status of the country's constituents. In 2008, the implementation of the Master Plan for Sustainable Tourism 2007-2020 was instated. The Master Plan was designed to increase sustainable tourism to the country by international and national promotion and supplying tax incentives for tourism development investors. Panama has also taken strides to declare nine different parts of the country as Special Tourism Zones, that are recipients of multiple tax exemptions and tax holidays, according to Law No. 8, the tourism incentive law. Included in the nine zones is Bocas del Toro. This study examines the perceived effects of macro-scale national and international laws and programs on micro-scale ecotourism operations in Bocas del Toro. Research includes interviews with managers, owners and affiliates of seven micro-scale ecotourism operations in Bocas del Toro. The research methods provide insight into how the macro-scale laws and programs have effected, if at all, the micro-scale ecotourism operations in Bocas del Toro. The research reveals that there is a need for more cohesion among the governmental programs that are designed to aid in the promotion and support of micro-scale ecotourism operations along with the need for enforcement of environmental sustainability at the local level (Bocas del Toro). Although the implementation of the Master Plan is still in the early stage, progress can still be made in Panama in order to increase tourism and environmental sustainability in the country.

At the end of the Millennium Development Goal (MDG) period in 2015, 2.3 billion people, 31% of the global population, still did not have access to even basic sanitation services. Of these people, 892 million still practice open defecation, and 856 million people use unimproved facilities such as pit latrines without a slab or platform or hanging latrines or bucket latrines (JMP 2017). Sustainable Development Goal (SDG) Target 6.2 now aims to achieve adequate and equitable sanitation and hygiene for all and sets the ambitious target of eradicating open defecation by 2030. While the number of people open defecating was reduced from 1229 million to 892 million between 2000 and 2015, that pace must accelerate to be achieved (JMP, 2017). In Panama, it is estimated that countrywide sanitation coverage is 71%, and rural coverage 54% (WHO/UNICEF, 2013). Even so, in indigenous areas like the Comarca Ngäbe-Buglé, only 25% of the population has adequate access to basic sanitation (ANAM, 2006). This research builds upon the research presented in (Hurtado, 2005, Kaiser, 2006, Mehl, 2008, and Wilbur, 2014). These theses researched double vault urine diverting (DVUD) latrines, or composting latrines, in indigenous communities in the province of Bocas del Toro and the Comarca Ngäbe-Buglé in Panama. Hurtado, Kaiser, and Mehl researched the design, construction, and pathogen destruction capabilities of composting latrines. Wilbur studied how human attitudes and perceptions serve as incentives or barriers to composting latrine use. In this research surveys, interviews, and observations were recorded in 6 indigenous Ngäbe communities in Bocas del Toro and the Comarca Ngäbe-Buglé. The study quantifies usage of ventilated improved pit (VIP) and basic pit latrines in these communities, assesses positive and negative perceptions of composting latrines, and determines perceptions of feces and the reuse of composted human excrement. The results reveal that of n=103 latrines 88.3% were completed and in use, but only 35.2% were properly covered. To promote proper usage of latrines, continued education and trainings need to be carried out in these communities. Respondents were also favorable to the use of composting latrines, with 61.2% of respondents saying they would be interested in building a composting latrine for their households. The main perceived benefit of composting latrines is the compost, and the most identified barrier to use was lack of prior experience. Other main barriers included user disgust and the amount of work it takes to own and operate the latrine. There were more identified incentives (12) than barriers (11) to composting latrine adoption. Respondents also reported they would react more favorably to their neighbor implementing the technology and using compost than their neighbor would react should the respondent do the same thing. These results indicate the importance of pilot projects in communities, allowing people to see the benefits of the technology and how it works before implementing a larger scale project. These projects would also reduce the stigma associated with being a first adopter. Statistical analysis revealed that the demographics of community, sanitation classification, gender, and primary occupation were significantly linked to survey statements used to measure perceptions on composting latrine use and the use of composted human excrement as a fertilizer. Age, gender, and household size were not found to have a statistically significant link to user perceptions on the same survey statements. Logistic regression analysis was then performed using SPSS statistical analysis software (version 24). The results of this research indicate the importance of setting up follow up trainings as many respondents had forgotten how to properly maintain their latrines. It also suggests the setup of pilot projects for composting latrines, as many respondents were favorable to the technology but did not want to try to own and operate a composting latrine without seeing a successful composting latrine first.

Engineers are exploring a new paradigm in wastewater treatment; focus is shifting to the recovery and reuse of energy, water, and nutrients. Ecological sanitation (EcoSan) technologies, which allow for this recovery and reuse, are an environmentally sound option for the future of sanitation. While the technology to achieve this goal of recovery and reuse exists, a limiting factor is user attitudes and perceptions. Social sciences, especially anthropology, can and should inform engineering projects to ensure socio-cultural sustainability. Since 2003, rural indigenous Ngäbe communities in Panama have been implementing ecological sanitation projects, mainly double vault urine diverting (DVUD) latrines known as composting latrines. With the help of governmental agencies and the Peace Corps, over 200 of these latrines have been built across the province of Bocas del Toro and the ñÖ Kribu region of the Comarca Ngäbe-Buglé. To this point, little monitoring and evaluation has taken place in these communities. Interviews and observations in 23 communities throughout this coastal region revealed that 70.6% of composting latrines constructed (n = 201) were completed and 71.8 % of the completed composting latrines (n = 142) are still in use. Based on observations, 65% of the latrines in use were determined to be used properly, which translates to the proper use of 45.8% of the completed latrines. To promote composting latrine adoption, social marketing and pilot latrine projects can be employed, and to improve the percentage of properly used composting latrines, education campaigns can be deployed as follow up. Utilizing suggestions made in recent literature as guidelines for the proper application of compost, analysis showed that new training messages have not reached the communities with older composting latrines. Informal interviews in 18 communities identified compost production, the lack of mosquitoes and flies, and the lack of odor as the most frequently mentioned advantages. With respect to the disadvantages, the inability to use water for anal cleansing was the most frequently mentioned disadvantage. In three communities, informal interviews and 124 surveys were used to characterize the perceptions of Ngäbes regarding feces and their use of composted human excrement as a soil amendment in agriculture. In general, the responses reflected perceptions that show no strong barrier to the operation and maintenance of composting latrines. Utilizing the Fisher's exact test and Kruskal-Wallis test, the community, sanitation classification, gender, primary occupation, and age all showed some level of association with the perceptions expressed in the survey responses. Filo Verde was more likely to respond with perceptions accepting of composting latrine use, while San San Puente was more likely to respond with "don't know" or with perceptions objecting to composting latrine use. At times, up to 37.9% of the respondents responded with negative perceptions; thus, evaluations of perceptions prior to the implementation stage are still beneficial. One discrepancy existed between the overall majority and the composting latrine user majority; 56.5% of the 124 respondents perceived the handling of human excrement as a great health risk, whereas 59.1% of the 22 composting latrine users did not. As expected, the composting latrine users responses represent the positive perceptions of feces and their reuse, but pit latrine owners were most likely to respond with perceptions contrary to those indicative of proper composting latrine behavior. Overall, males were more likely to agree with the perceptions related to composting latrine use. Regarding primary occupations, farmers consistently replied with more favorable perceptions of feces and their use as a soil amendment, while banana company workers showed more dissidence. Additionally, older participants gave responses reflecting favorable perceptions of composting latrines more than younger participants. Finally, education and household size do not have any statistically significant associations with the perceptions reflected in the survey responses.

Flamboyant colors are widespread throughout the animal kingdom. While many of these traits arise through sexual selection, bright coloration can also evolve through natural selection. Many aposematic species, for example, use conspicuous warning coloration to communicate their noxiousness to predators. Recent research suggests these signals can also function in the context of mate choice. Studies of warning color evolution can therefore provide new insights into how the interplay of natural and sexual selection impact the trajectory of conspicuous signal evolution. For my dissertation, I investigated the potential for male-male competition to impact the warning color evolution of a species of poison frog. I focused my work on an exceptionally bright and toxic population of the strawberry poison frog (Oophaga pumilio) where males are brighter than females, a classic signature of sexual selection. In Chapter 1, I used theoretical models of predator and frog visual systems to determine which can see the variation in bright warning coloration within this population. I found that birds, the presumed major predator, likely cannot see this variation, indicating that sexual selection can work under the radar of predators in this species. In Chapter 2, I tested the aggressive responses of males using a two-way choice paradigm that manipulated the perceived brightness of stimulus males. I found that males directed more of their behaviors to bright stimulus frogs, and brighter focal frogs more readily approached stimuli and directed more of their attention to the brighter rival. In Chapter 3, I tested the outcomes of dyadic interactions between males of varying brightness and observed male reactions to simulated intruders in their territories. I found that brighter males initiated aggressive interactions with rivals more readily, and brightness asymmetries between males settled interactions in a way that is consistent with classic hypotheses about male sexual signals. In Chapter 4 I sought to describe physiological correlates of male warning color brightness. While male brightness did not co-vary with classic measures of body condition (circulating testosterone and skin carotenoids), it did correlate with toxins sequestered from the diet and thus appears to be a reliable signal of toxicity in this population. / text

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