Duan Biggs
Griffith University
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Publication
Featured researches published by Duan Biggs.
Science | 2013
Duan Biggs; Franck Courchamp; Rowan Martin; Hugh P. Possingham
A trade ban limits supply, therefore raising prices and driving black market poaching. Africas western black rhino Diceros bicornis longipes was declared extinct by the International Union for the Conservation of Nature (IUCN) in 2011. Africas other rhino populations are also under siege. South Africa is home to more than 90% of the worlds 20,000 white rhino Ceratotherium simum, and 40% (more than 80% together with its neighbor Namibia), of the 5000 remaining black rhino (1–3). Yet, poaching in South Africa has, on average, more than doubled each year over the past 5 years (see the chart). If poaching continues to accelerate, Africas remaining rhino populations may become extinct in the wild within 20 years (4, 5).
Conservation Biology | 2012
Georgina Cundill; Graeme S. Cumming; Duan Biggs; Christo Fabricius
The success of adaptive management in conservation has been questioned and the objective-based management paradigm on which it is based has been heavily criticized. Soft systems thinking and social-learning theory expose errors in the assumption that complex systems can be dispassionately managed by objective observers and highlight the fact that conservation is a social process in which objectives are contested and learning is context dependent. We used these insights to rethink adaptive management in a way that focuses on the social processes involved in management and decision making. Our approach to adaptive management is based on the following assumptions: action toward a common goal is an emergent property of complex social relationships; the introduction of new knowledge, alternative values, and new ways of understanding the world can become a stimulating force for learning, creativity, and change; learning is contextual and is fundamentally about practice; and defining the goal to be addressed is continuous and in principle never ends. We believe five key activities are crucial to defining the goal that is to be addressed in an adaptive-management context and to determining the objectives that are desirable and feasible to the participants: situate the problem in its social and ecological context; raise awareness about alternative views of a problem and encourage enquiry and deconstruction of frames of reference; undertake collaborative actions; and reflect on learning.
Ecology and Society | 2011
Duan Biggs; Reinette Biggs; Vasilis Dakos; Robert J. Scholes; Michael Schoon
An increase in the frequency and intensity of environmental crises associated with accelerating human-induced global change is of substantial concern to policy makers. The potential impacts, especially on the poor, are exacerbated in an increasingly connected world that enables the emergence of crises that are coupled in time and space. We discuss two factors that can interact to contribute to such an increased concatenation of crises: (1) the increasing strength of global vs. local drivers of change, so that changes become increasingly synchronized; and (2) unprecedented potential for the propagation of crises, and an enhanced risk of management interventions in one region becoming drivers elsewhere, because of increased connectivity. We discuss the oil-food-financial crisis of 2007 to 2008 as an example of a concatenated crisis with origin and ultimate impacts in far removed parts of the globe. The potential for a future of concatenated shocks requires adaptations in science and governance including (a) an increased tolerance of uncertainty and surprise, (b) strengthening capacity for early detection and response to shocks, and (c) flexibility in response to enable adaptation and learning.
Ecology and Society | 2014
Michele-Lee Moore; Ola Tjornbo; Elin Enfors; Corrie Knapp; Jennifer Hodbod; Jacopo A. Baggio; Albert V. Norström; Per Olsson; Duan Biggs
Faced with numerous seemingly intractable social and environmental challenges, many scholars and practitioners are increasingly interested in understanding how to actively engage and transform the existing systems holding such problems in place. Although a variety of analytical models have emerged in recent years, most emphasize either the social or ecological elements of such transformations rather than their coupled nature. To address this, first we have presented a definition of the core elements of a social-ecological system (SES) that could potentially be altered in a transformation. Second, we drew on insights about transformation from three branches of literature focused on radical change, i.e., social movements, socio-technical transitions, and social innovation, and gave consideration to the similarities and differences with the current studies by resilience scholars. Drawing on these findings, we have proposed a framework that outlines the process and phases of transformative change in an SES. Future research will be able to utilize the framework as a tool for analyzing the alteration of social-ecological feedbacks, identifying critical barriers and leverage points and assessing the outcome of social-ecological transformations.
Ecological Applications | 2015
Graeme S. Cumming; Craig R. Allen; Natalie C. Ban; Duan Biggs; Harry Biggs; David H. M. Cumming; Alta De Vos; Graham Epstein; Michel Etienne; Kristine Maciejewski; Raphaël Mathevet; Mateja Nenadovic; Michael Schoon
Protected areas (PAs) remain central to the conservation of biodiversity. Classical PAs were conceived as areas that would be set aside to maintain a natural state with minimal human influence. However, global environmental change and growing cross-scale anthropogenic influences mean that PAs can no longer be thought of as ecological islands that function independently of the broader social-ecological system in which they are located. For PAs to be resilient (and to contribute to broader social-ecological resilience), they must be able to adapt to changing social and ecological conditions over time in a way that supports the long-term persistence of populations, communities, and ecosystems of conservation concern. We extend Ostroms social-ecological systems framework to consider the long-term persistence of PAs, as a form of land use embedded in social-ecological systems, with important cross-scale feedbacks. Most notably, we highlight the cross-scale influences and feedbacks on PAs that exist from the local to the global scale, contextualizing PAs within multi-scale social-ecological functional landscapes. Such functional landscapes are integral to understand and manage individual PAs for long-term sustainability. We illustrate our conceptual contribution with three case studies that highlight cross-scale feedbacks and social-ecological interactions in the functioning of PAs and in relation to regional resilience. Our analysis suggests that while ecological, economic, and social processes are often directly relevant to PAs at finer scales, at broader scales, the dominant processes that shape and alter PA resilience are primarily social and economic.
Journal of Sustainable Tourism | 2012
Duan Biggs; C. Michael Hall; Natalie Stoeckl
This paper explores the resilience of vulnerable tourism sectors to disasters in a period of global change and interdependence. The coral reef tourism industry is highly vulnerable to natural disasters and economic and political shocks. The paper also explains why enterprise resilience is central to sustainable tourism management, for economic, socio-cultural and environmental reasons. It extends the concepts of ecological and social resilience to that of enterprise resilience. Using scenarios and interviews with key enterprise staff, the study contrasts the levels of resilience of formal and informal reef tourism enterprises, and the factors associated with the enterprise resilience in Phuket, Thailand, following the 2004 tsunami and the 2008 political crisis. Informal enterprises reported better financial condition in a crisis scenario and higher levels of social capital in the form of government, family and community support than formal enterprises. Formal and informal enterprises both enjoy high lifestyle benefits from reef tourism, which supports resilience. Most formal enterprises had part foreign ownership/management (61%); no informal enterprise had any foreign ownership or management. Management policies supporting reef tourism should consider local nuances and the importance of lifestyle benefits for both formal and informal enterprises, and take steps to enable enterprise flexibility and cost-cutting during crises.
Conservation and Society | 2011
Duan Biggs; Jane Turpie; Christo Fabricius; Anna Spenceley
Tourism directed at bird watching (avitourism) has become increasingly popular. In many lower and middle-income countries, including South Africa, avitourism is being applied in an effort to simultaneously achieve community development and biodiversity conservation. This paper presents the results of an exploratory investigation of 11 community-based avitourism projects in South Africa. Conservation benefits were measured with the Threat Reduction Assessment tool. We calculated the Gamma (G) correlation coefficient to explore the relationship between conservation and income benefits and project characteristics. The projects were successful at reducing threats to sites where conservation was an explicit objective (n=11, G=0.609, P=0.03). The level of income benefits did not correlate with success in reducing threats to conservation. Once involved in avitourism projects, the average monthly income earned by local bird guides increased from USD 114 to USD 362. The extent of income benefits was positively related to the extent of support to projects (n=10, G=0.714, P=0.01). Participants in the projects reported substantive capacity building and empowerment benefits. Success in delivering conservation, income and empowerment benefits was challenged by the local guides limited previous exposure to tourism and business, the guides lack of self assurance, cultural differences, and a requirement for sustained mentorship and support to overcome these barriers. We conclude that with adequate long-term support, avitourism projects can be a cost-effective way to create jobs and deliver conservation and human development benefits.
Ecology and Society | 2011
Duan Biggs
Understanding the resilience of vulnerable sectors of social-ecological systems is critical in an era of escalating global change. The coral reef tourism sector is highly vulnerable not only to ecological effects of climate change and other anthropogenic disturbances on reefs, but also to shocks such as economic recession and energy price escalation. Commercial tourism enterprises are key players in reef tourism in Australia and elsewhere. However, the factors that confer resilience to reef-based tourism enterprises, or the reef tourism sector more broadly, in the face of large disturbances have not been investigated to date. This paper empirically examines the perceived resilience of reef tourism enterprises on Australias Great Barrier Reef to large disturbances or shocks. Binary logistic regression analysis of two measures of enterprise resilience demonstrates the importance of human capital in strengthening enterprise resilience. Lifestyle identity, measured as the extent to which owners and senior managers are active in reef tourism as a lifestyle choice, is positively related to enterprise resilience. Finally, reef tourism enterprises indicate that financial and marketing support are the most important actions that government can take to support enterprises in the face of a large shock.
Science | 2013
Nathalie Butt; Hawthorne L. Beyer; Joseph R. Bennett; Duan Biggs; Ramona Maggini; Morena Mills; Anna R. Renwick; Leonie Seabrook; Hugh P. Possingham
The overlapping of biodiverse areas and fossil fuel reserves indicates high-risk regions. Despite a global political commitment to reduce biodiversity loss by 2010 through the 2002 Convention on Biological Diversity, declines are accelerating and threats are increasing (1). Major threats to biodiversity are habitat loss, invasion by exotic species and pathogens, and climate change, all principally driven by human activities. Although fossil fuel (FF) extraction has traditionally been seen as a temporary and spatially limited perturbation to ecosystems (2), even local or limited biodiversity loss can have large cascade effects on ecosystem function and productivity. We explore the overlap between regions of high marine and terrestrial biodiversity and FF reserves to identify regions at particular risk of ecosystem destruction and biodiversity loss from exposure to FF extraction.
Conservation Biology | 2017
Duan Biggs; Rosie Cooney; Dilys Roe; Holly T. Dublin; James R. Allan; Daniel W.S. Challender; Diane Skinner
The escalating illegal wildlife trade (IWT) is one of the most high-profile conservation challenges today. The crisis has attracted over US
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International Union for Conservation of Nature and Natural Resources
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