Classifying private landowners to improve understanding of management decisions and conservation opportunities in urbanizing forested landscapes.

Viewed as coupled natural and human systems, urbanizing forested landscapes exhibit fascinating and complex dynamics, where landowner decisions and biophysical processes together influence conservation and development outcomes. To improve understanding of land management decisions and conservation opportunities on private lands in these landscapes, we developed a landowner typology that accounts for heterogeneity among landowners that goes beyond ownership objectives and investigated its usefulness in predicting individual private landowners' stated intentions to implement diverse land management actions. Using survey responses collected from private landowners in two metropolitan areas in Maine, USA, we focused on understanding differences in owners' stated likelihood of implementing four conservation practices (i.e., forest management plan, conservation easement, water quality protection, and wildlife habitat conservation) and three land tenure actions (i.e., land sales and large and small subdivisions). Cluster analysis based on measures of place attachment values, stewardship beliefs, and forest production objectives revealed four distinct landowner classes that, in turn, increased the explanatory power of our predictive models of management intentions. Our findings support consideration of heterogeneity beyond production objectives to improve understanding of landowner decision-making, the design and performance of conservation programs, and engagement with landowners. Adjusting data, analysis, and communication strategies to recognize these multiple motivations of landowners has potential to advance the science and practice of conserving forested landscapes.

Improving management of small natural features on private lands by negotiating the science-policy boundary for Maine vernal pools.

Vernal pools are far more important for providing ecosystem services than one would predict based on their small size. However, prevailing resource-management strategies are not effectively conserving pools and other small natural features on private lands. Solutions are complicated by tensions between private property and societal rights, uncertainties over resource location and function, diverse stakeholders, and fragmented regulatory authority. The development and testing of new conservation approaches that link scientific knowledge, stakeholder decision-making, and conservation outcomes are important responses to this conservation dilemma. Drawing from a 15-y history of vernal pool conservation efforts in Maine, we describe the coevolution of pool conservation and research approaches, focusing on how research-based knowledge was produced and used in support of management decisions. As management shifted from reactive, top-down approaches to proactive and flexible approaches, research shifted from an ecology-focused program to an interdisciplinary program based on social-ecological systems. The most effective strategies for linking scientific knowledge with action changed as the decision-makers, knowledge needs, and context for vernal pool management advanced. Interactions among stakeholders increased the extent to which knowledge was coproduced and shifted the objective of stakeholder engagement from outreach to research collaboration and development of innovative conservation approaches. New conservation strategies were possible because of the flexible, solutions-oriented collaborations and trust between scientists and decision-makers (fostered over 15 y) and interdisciplinary, engaged research. Solutions to the dilemma of conserving small natural features on private lands, and analogous sustainability science challenges, will benefit from repeated negotiations of the science-policy boundary.

Can fish consumption advisories do better? Providing benefit and risk information to increase knowledge.

Humans exposed to methylmercury (MeHg) can suffer from adverse health impacts, e.g., serious neurological damage; however, fish is also a good source of omega-3 fish oils which promotes infants' neurological development. Because eating fish is the primary mechanism of MeHg exposure, federal and state agencies issue fish consumption advisories to inform the public about the risks of eating contaminated fish. An advisory's purpose is to provide information to consumers to increase their knowledge of specific product attributes; however, the difficulty in communicating both the risks and benefits of eating fish leads readers of fish advisories to over-restrict their fish consumption. Because the effectiveness of fish consumption advisories are not often evaluated by states, we help fill this gap by evaluating the effectiveness of Maine's fish consumption advisory in terms of improving knowledge. The results suggest the advisory successfully increased women's knowledge of both the benefits and risks of consuming fish while pregnant. The advisory also increased their ability to differentiate fish by their MeHg content, knowledge of both low and high-MeHg fish and knowledge of detailed attributes of seemingly substitutable goods, such as white tuna, light tuna and pre-packaged salmon. People who did not read the advisory lack the knowledge of how to identify fish that provide: health benefits like Omega-3 fatty acids, or health risks like MeHg; reading the advisory reduces this lack of knowledge. Readers increased ability to make specific substitutions to minimize risk while maintaining the benefits of fish eating suggests the advisory has the potential of reducing MeHg-related health risks while avoiding the drop in fish consumption show in other studies.