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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Novel Tools And Techniques To Investigate And Reduce The Impacts Of Capture-And-Handling, Ryan J. Knotek
Novel Tools And Techniques To Investigate And Reduce The Impacts Of Capture-And-Handling, Ryan J. Knotek
Graduate Doctoral Dissertations
Fish have been an important food resource for humans throughout history, but with growing populations increasing the demand for this resource, many fish stocks have become overfished. In response, management has traditionally addressed overfishing by establishing regulations that reduce the directed fishing mortality associated with harvesting. However, these practices often do not take into account the mortality associated with fish that are incidentally captured and discarded (as bycatch). This discard mortality (DM) can represent a potentially large source of removals for species that are particularly susceptible to the stressors of capture-and-handling and/or discarded at high rates. It is therefore vital …
Promoting The Sustainability Of The Gulf Of Maine Recreational Groundfish Fishery Through Discard Mortality Estimation, Mitigation, And Outreach, Connor W. Capizzano
Promoting The Sustainability Of The Gulf Of Maine Recreational Groundfish Fishery Through Discard Mortality Estimation, Mitigation, And Outreach, Connor W. Capizzano
Graduate Doctoral Dissertations
Recreational fishing (i.e., angling), a popular leisure activity that provides socio-economic benefits to human societies around the world, can represent a significant source of fishing mortality and impact fish populations and marine ecosystems. Although fish are often released by recreational anglers to reduce fishing mortality rates, the efficacy of discarding fish is often criticized given that fish can die from the factors experienced during the capture, handling, and release process (i.e., discard mortality). Despite this recognition, the rate at which fish suffer discard mortality in specific commercial and recreational fisheries is often unknown and difficult to obtain due to logistical …
Listening To Greater Boston's Climate Change Concerns, Anna I. Valdez
Listening To Greater Boston's Climate Change Concerns, Anna I. Valdez
Graduate Masters Theses
As climate change threatens our communities, it reminds us of the importance of preparing for the future. Cities and towns are trying to understand how climate change will place their citizens at risk. To create resiliency measures and adaptation plans, they will need climate related parameter information. The Greater Boston Research Advisory Group (GBRAG) knew it was necessary to listen to the needs of stakeholders in Greater Boston about the climate parameter information they need to prepare resilient communities. To accomplish this goal, GBRAG held community workshops, collected a survey, and reviewed their Municipal Vulnerability Preparedness reports. These three methods …
Impact Of Disturbance Regimes On Community And Landscape Biodiversity In Atlantic Coastal Pine Barren Ecoregion Streams, Sean T. Mccanty
Impact Of Disturbance Regimes On Community And Landscape Biodiversity In Atlantic Coastal Pine Barren Ecoregion Streams, Sean T. Mccanty
Graduate Doctoral Dissertations
Streams are dynamic systems shaped by geographic location, hydrology, riparian vegetation, and in-stream habitat. Furthermore, ecosystem disturbance plays a major role in structuring stream communities and ecosystem processes. Disturbances include natural occurrences, such as flooding, drought, and fire events and anthropogenic disturbances such as land use changes, damming, and pollution. Agricultural use acts as a press disturbance regime, homogenizing the surrounding landscape and simplifying in-stream habitat, leaving legacy effects after farming ceases. Active restoration is intended to ameliorate these effects by reintroducing variation, with the goal of shifting the ecosystem into a more diverse and natural state. The act of …
Art And Science: Utilizing Steam Education To Promote Empathetic Scientific Literacy And Global Citizenship, Ali Orsi Davis
Art And Science: Utilizing Steam Education To Promote Empathetic Scientific Literacy And Global Citizenship, Ali Orsi Davis
Critical and Creative Thinking Capstones Collection
This research expounds on the history of, hurdles facing, and future goals and possibilities for STEAM (science, technology, engineering, art, mathematics) education, including how it can create empathetic, scientifically literate global citizens. Reasons for the cultivation of empathy, scientific literacy, and global citizenship in the classroom are numerous; escalating worldwide nationalism, accelerated climate change, and the increased need to address sustainable development and poverty have produced particular urgency for such student development. Science educators today rarely prioritize the “art” in STEAM education, despite a panoply of cognitive benefits including perspective-taking, critical thinking, and increased personal connection to scientific content. Development …
Characterization Of Microbial Communities Across Disease States And Environmental Conditions In Kemp’S Ridley (Lepidochelys Kempii) And Green Sea Turtles (Chelonia Mydas), Kerry L. Mcnally
Graduate Doctoral Dissertations
All species of sea turtles are threatened or endangered, with various diseases and conditions affecting populations around the world. Understanding healthy populations as well as populations beset by disease conditions, such as fibropapillomatosis and cold-stunning, could lead to helpful tools in the conservation management and medical treatment needed to protect these species. Microbial communities, or the microbiome, at different body sites of sea turtles likely play important roles in the health of these animals, from aiding in digestion to immune system regulation. Disruption of these communities, either through disease and/or environmental factors, may play a role in disease processes and …
Characterizing The Impacts Of The Invasive Hemlock Woolly Adelgid On The Forest Structure Of New England, Peter Brehm Boucher
Characterizing The Impacts Of The Invasive Hemlock Woolly Adelgid On The Forest Structure Of New England, Peter Brehm Boucher
Graduate Doctoral Dissertations
Climate change is raising winter temperatures in the Northeastern United States, both expanding the range of an invasive pest, the hemlock woolly adelgid (HWA; Adelges tsugae), and threatening the survival of its host species, eastern hemlock (Tsuga canadensis). As a foundation species, hemlock trees underlie a distinct network of ecological, biogeochemical, and structural systems that will likely disappear as the HWA infestation spreads northward. Remote sensing can offer new perspectives on this regional transition, recording the progressive loss of an ecological foundation species and the transition of evergreen hemlock forest to mixed deciduous forest over the course of the infestation. …