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Articles 1 - 9 of 9
Full-Text Articles in Physical Sciences and Mathematics
The Cumulative Impacts Of Climate Change And Land Use Change On Water Quantity And Quality In The Narragansett Bay Watershed, Evan R. Ross
The Cumulative Impacts Of Climate Change And Land Use Change On Water Quantity And Quality In The Narragansett Bay Watershed, Evan R. Ross
Masters Theses
Narragansett Bay, Rhode Island, is a valuable natural resource that suffers summer hypoxic events resulting from over a century of cultural eutrophication. Current efforts to reduce nitrogen loading from wastewater treatment facilities discharging into the Bay and its tributaries hold the promise of working towards ecological restoration. But, the efficacy of these efforts may be limited, or undone, if future changes in climate or land use increase nutrient and sediment loads to the Bay. This study developed a SWAT model of the upper Narragansett Bay watershed to simulate water quantity and quality. The baseline model was calibrated and validated to …
Ecology And Conservation Of Endangered Species In Sumatra: Smaller Cats And The Sumatran Rhinoceros (Dicerorhinus Sumatrensis) As Case Studies, Wulan Pusparini
Ecology And Conservation Of Endangered Species In Sumatra: Smaller Cats And The Sumatran Rhinoceros (Dicerorhinus Sumatrensis) As Case Studies, Wulan Pusparini
Masters Theses
While we should celebrate the bicentennial of naming the Sumatran rhinoceros (SR), the only extant population on earth might be on the island of Sumatra. Since Strien's 1986 study in Mamas Valley, Leuser, very little more has been learned about how this species distributed and what factors are influencing its extirpation. This study is the first conducted in Sumatra at an Island-wide scale. Using hierarchical models, I estimate the occurrence rates (%) and indices of abundance of SR on three remaining population areas: Leuser Landscape (LL) in 2007 (2.77%, 26 (CI 12-61)), Way Kambas (WK) in 2008 (33.58%, 27 (CI …
Roosting, Site Fidelity, And Food Sources Of Urban Gulls In Massachusetts: Implications For Protecting Public Water Supplies, Daniel E. Clark
Roosting, Site Fidelity, And Food Sources Of Urban Gulls In Massachusetts: Implications For Protecting Public Water Supplies, Daniel E. Clark
Doctoral Dissertations
Anyone who has spent time in coastal New England has seen gulls flying overhead and heard their familiar sound; gulls may be one of the most recognizable birds in the world. There are over 50 species of gulls worldwide, and many of them are closely associated with human development or activities. In Massachusetts, there are several common gull species including herring (Larus argentatus), great black-back (Larus marinus), laughing (Leucophaeus atricilla), and ring-billed (Larus delawarensis). While coastal encounters with gulls are ubiquitous, gulls can also be found inland, and ring-billed and herring gulls …
The Potential For Restoration Of Tan Brook, An Urban Headwater Stream In Amherst, Massachusetts, Alison Tenhulzen, Alyssa Black, Robert F. Smith
The Potential For Restoration Of Tan Brook, An Urban Headwater Stream In Amherst, Massachusetts, Alison Tenhulzen, Alyssa Black, Robert F. Smith
Research
The goal of the Tan Brook Student Conservation Group is to educate undergraduate students at the University of Massachusetts Amherst about freshwater sustainability. to accomplish this, the group will act to provide opportunities in original research, applied field and laboratory methods, and outreach. The initial goal for the group will be a collaborative project describing the ecological, historical, and social significance of the Tan Brook, which will result in an informative website and educational signage located at several locations in the town of Amherst and on University property where the Tan Brook enters campus. Ultimately, the group will contribute to …
Lights, Camera...Citizen Science: Assessing The Effectiveness Of Smartphone-Based Video Training In Invasive Plant Identification Dataset, Jared Starr, Charles M. Schweik, Nathan Bush, Lena Fletcher, John T. Finn, Jennifer Fish, Charles T. Bargeron
Lights, Camera...Citizen Science: Assessing The Effectiveness Of Smartphone-Based Video Training In Invasive Plant Identification Dataset, Jared Starr, Charles M. Schweik, Nathan Bush, Lena Fletcher, John T. Finn, Jennifer Fish, Charles T. Bargeron
Environmental Conservation Datasets
The rapid growth and increasing popularity of smartphone technology is putting sophisticated data-collection tools in the hands of more and more citizens. This has exciting implications for the expanding field of citizen science. With smartphone-based applications (apps), it is now increasingly practical to remotely acquire high quality citizen-submitted data at a fraction of the cost of a traditional study. Yet, one impediment to citizen science projects is the question of how to train participants. The traditional “in-person” training model, while effective, can be cost prohibitive as the spatial scale of a project increases. To explore possible solutions, we analyze three …
Why Waste The Wind? A Look Into Small Scale Wind Energy, Mitchell Negus, Jon Swanton, Ben Chilcoat, Mark Settembrino
Why Waste The Wind? A Look Into Small Scale Wind Energy, Mitchell Negus, Jon Swanton, Ben Chilcoat, Mark Settembrino
Student Showcase
The human race’s dependence on fossil fuels for energy generation has started to cause major changes in the environment. Climate change is a universal issue and it is evident that our current energy schematic is not sustainable. At the University of Massachusetts, small-scale wind power has the potential to be a key component in UMass’ energy portfolio as the university shifts from reliance on fossil fuels to renewable energy. Strategically placed turbines would produce clean, renewable energy, reduce greenhouse gas emissions, and help to decentralize energy dependence on the Central Heating Plant. Small-scale turbines, like the eddyGT, are tested technologies …
Integrated Assessment Of Biological Invasions, Ibnes Ibanez, Jeffrey M. Diez, Luke P. Miller, Julian D. Olden, Cascade J B Sorte, Dana M. Blumenthal, Bethany A. Bradley, Carla M. D’Antonio, Jeffrey S. Dukes, Regan I. Early, Edwin D. Grosholz, Joshua J. Lawler
Integrated Assessment Of Biological Invasions, Ibnes Ibanez, Jeffrey M. Diez, Luke P. Miller, Julian D. Olden, Cascade J B Sorte, Dana M. Blumenthal, Bethany A. Bradley, Carla M. D’Antonio, Jeffrey S. Dukes, Regan I. Early, Edwin D. Grosholz, Joshua J. Lawler
Environmental Conservation Faculty Publication Series
As the main witnesses of the ecological and economic impacts of invasions on ecosystems around the world, ecologists seek to provide the relevant science that informs managers about the potential for invasion of specific organisms in their region(s) of interest. Yet, the assorted literature that could inform such forecasts is rarely integrated to do so, and further, the diverse nature of the data available complicates synthesis and quantitative prediction. Here we present a set of analytical tools for synthesizing different levels of distributional and/or demographic data to produce meaningful assessments of invasion potential that can guide management at multiple phases …
Lights, Camera...Citizen Science: Assessing The Effectiveness Of Smartphone-Based Video Training In Invasive Plant Indentification, Jared Starr, Charles M. Schweik, Nathan Bush, Lena Fletcher, Jack Finn, Jennifer Fish, Charles T. Bergeron
Lights, Camera...Citizen Science: Assessing The Effectiveness Of Smartphone-Based Video Training In Invasive Plant Indentification, Jared Starr, Charles M. Schweik, Nathan Bush, Lena Fletcher, Jack Finn, Jennifer Fish, Charles T. Bergeron
Environmental Conservation Faculty Publication Series
The rapid growth and increasing popularity of smartphone technology is putting sophisticated data-collection tools in the hands of more and more citizens. This has exciting implications for the expanding field of citizen science. With smartphonebased applications (apps), it is now increasingly practical to remotely acquire high quality citizen-submitted data at a fraction of the cost of a traditional study. Yet, one impediment to citizen science projects is the question of how to train participants. The traditional ‘‘in-person’’ training model, while effective, can be cost prohibitive as the spatial scale of a project increases. To explore possible solutions, we analyze three …
Effects Of Invasive Winter Moth Defoliation On Tree Radial Growth In Eastern Massachusetts, Usa, Michael J. Simmons, Thomas D. Lee, Mark J. Ducey, Joseph S. Elkinton, George H. Boettner, Kevin J. Dodds
Effects Of Invasive Winter Moth Defoliation On Tree Radial Growth In Eastern Massachusetts, Usa, Michael J. Simmons, Thomas D. Lee, Mark J. Ducey, Joseph S. Elkinton, George H. Boettner, Kevin J. Dodds
Environmental Conservation Faculty Publication Series
Winter moth, Operophtera brumata L. (Lepidoptera: Geometridae), has been defoliating hardwood trees in eastern Massachusetts since the 1990s. Native to Europe, winter moth has also been detected in Rhode Island, Connecticut, eastern Long Island (NY), New Hampshire, and Maine. Individual tree impacts of winter moth defoliation in New England are currently unknown. Using dendroecological techniques, this study related annual radial growth of individual host (Quercus spp. and Acer spp.) trees to detailed defoliation estimates. Winter moth defoliation was associated with up to a 47% reduction in annual radial growth of Quercus trees. Latewood production of Quercus was reduced by up …