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Citizen science initiatives encourage volunteer participants to collect and interpret data and contribute to formal scientific projects. The growth of virtual citizen science (VCS), facilitated through websites and mobile applications since the mid-2000s, has been driven by a combination of software innovations and mobile technologies, growing scientific data flows without commensurate increases in resources to handle them, and the desire of internet-connected participants to contribute to collective outputs. However, the increasing availability of internet-based activities requires individual VCS projects to compete for the attention of volunteers and promote their long-term retention. We examined program and platform design principles that might allow VCS initiatives to compete more effectively for volunteers, increase productivity of project participants, and retain contributors over time. We surveyed key personnel engaged in managing a sample of VCS projects to identify the principles and practices they pursued for these purposes and led a team in a heuristic evaluation of volunteer engagement, website or application usability, and participant retention. We received 40 completed survey responses (33% response rate) and completed a heuristic evaluation of 20 VCS program sites. The majority of the VCS programs focused on scientific outcomes, whereas the educational and social benefits of program participation, variables that are consistently ranked as important for volunteer engagement and retention, were incidental. Evaluators indicated usability, across most of the VCS program sites, was higher and less variable than the ratings for participant engagement and retention. In the context of growing competition for the attention of internet volunteers, increased attention to the motivations of virtual citizen scientists may help VCS programs sustain the necessary engagement and retention of their volunteers.

Large‐scale natural resource conservation initiatives are increasingly adopting a network governance framework to respond to the ecological, social, and political challenges of contemporary environmental governance. A network approach offers new modes of management that allow resource managers and others to transcend a single institution, organization, resource, or landscape and engage in conservation that is multi‐species and multi‐jurisdictional. However, there are challenges to network governance in large‐scale conservation efforts, which we address by focusing on how special interests can capture networks and shape the goals, objectives, and outcomes of initiatives. The term “network capture” is used here to describe an array of strategies that direct the processes and outcomes of large‐scale initiatives in ways that advance a group's positions, concerns, or economic interests. We outline how new stakeholders emerge from these management processes, and how the ease of information sharing can blur stakeholder positions and lead to competing knowledge claims. We conclude by reasserting the benefits of network governance while acknowledging the unique challenges that networks present.

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Public attitudes toward invasive alien species management and trust in managers' ability to effectively manage non-native species can determine public support for conservation action. The island of Guam has experienced widespread species loss and ecosystem transformation due to invasive species, most notably, the brown treesnake (Boiga irregularis). Despite Guam's long history with invasives and extensive efforts to eradicate them, we know little about the sociological context of invasive species and drivers of public support or opposition on the island. Using focused group discussions, we explore public attitudes toward invasive species management measures. Respondents were familiar with the common invasive species on Guam and recognized that they were not native. They expressed support for management activities, interest in more effective and frequent management initiatives, and desire to participate directly in conservation actions. Participants also expressed frustration with government institutions and lack of confidence in managers' ability to control invasive species. Perceptions of managers' trustworthiness, communication with managers, and positive personal experiences with managers were related to positive attitudes about management and support for existing initiatives, indicating the important role of trust and engagement for invasive species management.

Conservation practitioners regularly engage in partnerships and processes to develop and achieve important conservation goals aimed at alleviating the biodiversity crisis. These processes, and the partnerships needed for success, are subject to complex social dynamics that can result in negative outcomes if not well understood and addressed. As an illustration, a heavy reliance on authoritybased power in a conservation process could lead to alliances with some groups and alienation of others. Such ingroup/outgroup dynamics can prompt threats to one's identity and distrust of others, which may lead to disengagement or active blocking of progress toward goals (e.g., legal action). To support practitioners in addressing the biodiversity crisis, we review key concepts and theory from the literature in relation to how trust, identity, and power operate in the context of conservation partnerships and processes. We further offer a list of considerations for conservation practitioners seeking to co-develop goals that are achievable, equitable, and responsive to the needs of diverse interests, as well as sustainable over time given shifting social and ecological conditions.

White evangelical Protestants are the most skeptical major religious group in the United States regarding climate change. While their position of political influence in the Republican coalition is widely recognised, the full range of effects of this position on evangelicals' climate opinions is not. To move research on evangelicals from the margins of climate change opinion research, we review and integrate the interdisciplinary literature on US evangelicals, climate change, and politics. In assessing this literature, we identify three areas in need of further research. First, there is a critical need for more research on the climate attitudes of evangelicals of color, who comprise a growing share of the evangelical tradition in the US. Second, highlighting the Christian Right's active engagement in the climate debate, we identify a need for more experimental work examining how cues from religious elites may shape evangelicals' opinions. Finally, we suggest that to better harness insights across disciplines, researchers must become more explicitly aware of how different disciplines conceptualize temporality. Attending to temporal scale suggests that a new approach is needed to test how dominion beliefs, which are widely thought to be an important theological driver of climate skepticism, operate. We also suggest that two factors that appear to play a weak or limited role in driving climate skepticism over the short term (anti‐science attitudes and evangelical religiosity) may in fact play a significant role in driving skepticism over the medium term. This article is categorized under: Perceptions, Behavior, and Communication of Climate Change > Perceptions of Climate Change Trans‐Disciplinary Perspectives > Humanities and the Creative Arts

The complex web of political-economic relations that constitutes biotechnology coupled with a contentious history of public resistance, illustrates the power of perceptions of credibility in mediating individuals' judgements about GMOs. To more accurately measure what contributes to public skepticism of GM foods, the present research applies a multidimensional model of source credibility comprised of scientific understanding, integrity, agreement, concern, trust, and goodwill (bias). Testing the Anti-Reflexivity Thesis in a new context, we also explore the role of attitudes about science and economic innovation by analyzing associations between political ideology and beliefs about the potential impacts of GM foods. Using data from the Pew Research Center's American Trends Panel, we find evidence of politically polarized perceptions of GM scientists' credibility and public beliefs about the environmental risks and benefits of GM foods. Results suggest that political ideology is indirectly associated with beliefs about GM impacts on the food supply, largely through perceptions of goodwill, the so-called "lost" dimension of source credibility. Because demand for biotechnology products like gene edited foods is expected to increase, consumer beliefs about GMOs will likely have significant implications for the future of the bioeconomy.