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Articles 1 - 11 of 11
Full-Text Articles in Physical Sciences and Mathematics
Measuring The Impact Of Pollution Closures On Commercial Shellfish Harvest: The Case Of Soft-Shell Clams In Machias Bay, Maine, Keith S. Evans, Kevin Athearn, Xuan Chen, Kathleen P. Bell, Tora Johnson
Measuring The Impact Of Pollution Closures On Commercial Shellfish Harvest: The Case Of Soft-Shell Clams In Machias Bay, Maine, Keith S. Evans, Kevin Athearn, Xuan Chen, Kathleen P. Bell, Tora Johnson
Publications
Temporary closures of polluted coastal waters to shellfish harvesting protect human health but also generate broad socioeconomic impacts on rural, fishing-dependent communities. Improved understanding of these impacts could help coastal managers prioritize investments to protect water quality and mitigate the effects of coastal pollution. Using a regression model of monthly landings, we explore the impact of temporary closures on the commercial harvest of soft-shell clams (Mya arenaria) in the Machias Bay region of Maine (USA). We find that economic losses are significant and depend heavily on tidal activity, and the size, frequency and timing of closures. Over the …
The Wrecks Of Lake Champlain, Gary C. Kessler
The Wrecks Of Lake Champlain, Gary C. Kessler
Publications
Despite the dozens of historically significant wrecks in the lake, only nine are open for diving as part of the Lake Champlain Underwater Historic Preserve. For visitors to the area, five of the wrecks are easily accessible from Burlington, with four being in the immediate vicinity of Burlington Bay. This article will focus on these five wrecks.
Systems Modeling To Improve The Hydro-Ecological Performance Of Diked Wetlands, Omar Alminagorta, David E. Rosenberg, Karin M. Kettenring
Systems Modeling To Improve The Hydro-Ecological Performance Of Diked Wetlands, Omar Alminagorta, David E. Rosenberg, Karin M. Kettenring
Publications
Water scarcity and invasive vegetation threaten arid-region wetlands and wetland managers seek ways to enhance wetland ecosystem services with limited water, labor, and financial resources. While prior systems modeling efforts have focused on water management to improve flow-based ecosystem and habitat objectives, here we consider water allocation and invasive vegetation management that jointly target the concurrent hydrologic and vegetation habitat needs of priority wetland bird species. We formulate a composite weighted usable area for wetlands (WU) objective function that represents the wetland surface area that provides suitable water level and vegetation cover conditions for priority bird species. Maximizing …
Leveraging The Power Of Place In Citizen Science For Effective Conservation Decision Making, Gregory Newman, M. Chandler, M. Clyde, B. Mcgreavy, M. Haklay, H. Ballard, S. Gray, R. Scarpino, D. Mellor, J. Gallo
Leveraging The Power Of Place In Citizen Science For Effective Conservation Decision Making, Gregory Newman, M. Chandler, M. Clyde, B. Mcgreavy, M. Haklay, H. Ballard, S. Gray, R. Scarpino, D. Mellor, J. Gallo
Publications
Many citizen science projects are place-based - built on in-person participation and motivated by local conservation. When done thoughtfully, this approach to citizen science can transform humans and their environment. Despite such possibilities, many projects struggle to meet decision-maker needs, generate useful data to inform decisions, and improve social-ecological resilience. Here, we define leveraging the ‘power of place’ in citizen science, and posit that doing this improves conservation decision making, increases participation, and improves community resilience. First, we explore ‘place’ and identify five place dimensions: social-ecological, narrative and name-based, knowledge-based, emotional and affective, and performative. We then thematically analyze 134 …
Planning For Sustainability In Small Municipalities: The Influence Of Interest Groups, Growth Patterns, And Institutional Characteristics, Vanessa R. Levesque, Kathleen P. Bell, Aram J K Calhoun
Planning For Sustainability In Small Municipalities: The Influence Of Interest Groups, Growth Patterns, And Institutional Characteristics, Vanessa R. Levesque, Kathleen P. Bell, Aram J K Calhoun
Publications
How and why small municipalities promote sustainability through planning efforts is poorly understood. We analyzed ordinances in 451 Maine municipalities and tested theories of policy adoption using regression analysis.We found that smaller communities do adopt programs that contribute to sustainability relevant to their scale and context. In line with the political market theory, we found that municipalities with strong environmental interests, higher growth, and more formal governments were more likely to adopt these policies. Consideration of context and capacity in planning for sustainability will help planners better identify and benefit from collaboration, training, and outreach opportunities.
Transdisciplinary Research Partnerships In Sustainability Science: An Examination Of Stakeholder Participation Preferences, Karen H. Beiluch, Kathleen P. Bell, Mario F. Teisl, Laura Lindenfeld, Jessica Leahy, Linda Silka
Transdisciplinary Research Partnerships In Sustainability Science: An Examination Of Stakeholder Participation Preferences, Karen H. Beiluch, Kathleen P. Bell, Mario F. Teisl, Laura Lindenfeld, Jessica Leahy, Linda Silka
Publications
Sustaining coupled natural and human systems requires multiple forms of knowledge, experiences, values, and resources be brought into conversation to address sustainability challenges. Transdisciplinary research partnerships provide the opportunity to meet this requirement by bringing together interdisciplinary scientists with stakeholders in some or all stages of the knowledge production process. However, building partnerships to produce sustainability outcomes is a complex process requiring an understanding of the social psychological and contextual variables impacting partnerships. Here, we explore local government officials’ (LGOs’) preferences for participation in these partnerships. Using data from a statewide survey, we develop a theoretically and empirically derived model …
Modeling Spatiotemporal Variability Of The Bioclimate Envelope Of Homarus Americanus In The Coastal Waters Of Maine And New Hampshire, Kisei Tananka, Yong Chen
Modeling Spatiotemporal Variability Of The Bioclimate Envelope Of Homarus Americanus In The Coastal Waters Of Maine And New Hampshire, Kisei Tananka, Yong Chen
Publications
A bioclimate envelope model was developed to evaluate the potential impacts of climate variability on American lobster (Homarus americanus). Bioclimate envelopes were defined by season-, sex-, and stage- specific Habitat Suitability Indices (HSI) based on (1) bottom temperature, (2) bottom salinity, and (3) depth. The species’ association to each of these three environmental attributes was expressed using Suitability Indices (SIs) calibrated by standardized lobster abundance derived from 14 years of fishery independent survey. A regional ocean model (Finite-Volume Community Ocean Model) was integrated with the HSI to hindcast spatiotemporal variability of bioclimate envelopes for American lobster in coastal waters of …
Moving Up The Waste Hierarchy In Maine: Learning From “Best Practice” State-Level Policy For Waste Reduction And Recovery, Cindy Isenhour, Travis Blackmer, Travis Wagner, Linda Silka, John Peckenham
Moving Up The Waste Hierarchy In Maine: Learning From “Best Practice” State-Level Policy For Waste Reduction And Recovery, Cindy Isenhour, Travis Blackmer, Travis Wagner, Linda Silka, John Peckenham
Publications
As Maine residents look toward the future, it is increasingly clear that more sustainable waste and materials management solutions will be necessary. A recent stakeholder engagement process involving nearly 200 industry professionals, municipal representatives and citizen groups confirmed this point. As we move together toward a more sustainable waste management system, participants in the engagement process identified an outstanding need to learn more about policies options. This article responds to that need with a review of state level policies designed to reduce waste generation and increase material recovery rates. We find there are a wide variety of state-level policy tools …
Resilience As Discourse, Bridie Mcgreavy
Resilience As Discourse, Bridie Mcgreavy
Publications
Resilience as a frame is increasingly appearing in grant funding, news stories, academic journals, and organization missions. Across these sites, resilience is positioned as an ability to cope, characterized by bouncing back, regaining control, and reducing vulnerability to change. How did resilience come to be understood in these terms? What are the problems with resilience’s frames and the practices that produce them? How might we become resilient differently? Using a Foucaultian archaeology, I examine sites and practices that produce resilience as discourse. I analyze resilience’s origins in biophysical sciences, systems perspectives that define ways of knowing, visual models that constrain …
A Revision Of Megalocraerus Lewis, 1902 (Coleoptera, Histeridae: Exosternini), Michael S. Caterino, Alexey K. Tishechkin
A Revision Of Megalocraerus Lewis, 1902 (Coleoptera, Histeridae: Exosternini), Michael S. Caterino, Alexey K. Tishechkin
Publications
The formely monotypic Neotropical genus Megalocraerus Lewis is revised to include five species, known from southeastern Brazil to Costa Rica: M. rubricatus Lewis, M. mandibularis sp. n., M. chico sp. n., M. madrededios sp. n., and M. tiputini sp. n. We describe the species, map their distributions, and provide a key for their identification. Their subcylindrical body form and emarginate mesosternum have previously hindered placement to tribe, although their curent assignment to Exosternini now appears well supported by morphological evidence. Nothing is known of the natural history of the species.
Until We Meet Again, Richard Snow, Mary Snow
Until We Meet Again, Richard Snow, Mary Snow
Publications
As long ago as 1896, Svanti Arrenius conducted a scientific analysis of the relationship between carbon dioxide (CO2) and atmospheric temperatures. Several decades later, GS Callender collected and compiled temperature data from around the world and found there had been an increase in global temperatures. He hypothesized that the rising temperatures were resulting from increasing levels of CO2. These early studies piqued the interest of Gilbert Plass in the mid-20th century who endeavored to determine how CO2 affects temperature. In his effort to determine the possible effects that higher levels of CO2 in the atmosphere were having on the energy …