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Articles 1 - 14 of 14
Full-Text Articles in Entire DC Network
Rapid Evolution Of Northeastern Coyotes, Javier Monzon
Rapid Evolution Of Northeastern Coyotes, Javier Monzon
Stony Brook Theses and Dissertations Collection, 2006-2020 (closed to submissions)
The potential for rapid adaptive evolution is a subject of great interest in evolutionary biology. I took a population genomics approach to study the contemporary evolution of northeastern coyotes (Canis latrans) via hybridization and ecological specialization. I genotyped 96 single nucleotide polymorphisms (SNPs) in a broad geographic sample of 427 northeastern coyotes. First, I examined the prevalence, spatial distribution, and ecology of admixture. I found that northeastern coyotes form an extensive hybrid swarm with individuals being highly admixed with wolves (C. lupus) and dogs (C. familiaris). Coyotes in areas of high deer density are genetically more wolf-like, suggesting that natural …
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, Tanner B. Harris, Nishanta Rajakaruna, Sarah J. Nelson, Peter D. Vaux
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, Tanner B. Harris, Nishanta Rajakaruna, Sarah J. Nelson, Peter D. Vaux
Biological Sciences
Acadia National Park is a center of plant diversity in northeastern North America. The Park's varied habitats and flora are sensitive to a number of natural and anthropogenic perturbations. Stressors such as invasive plants, pest and pathogens, ozone, acidic fog and sulfur deposition, nitrogen deposition, heavy metals, fire and fire suppression, over-browsing, visitor use, hurricanes, and climate change have all had effects on the Park's habitats and plant species at some point and it is unclear how many of these stressors are currently affecting the flora of Acadia National Park. We discuss the botanical diversity of Acadia, assess the natural …
Clarence Cook Little Papers (1888-1971), The Jackson Laboratory
Clarence Cook Little Papers (1888-1971), The Jackson Laboratory
Personal Papers Collection
No abstract provided.
Philip R. White Papers (1901-1968), The Jackson Laboratory
Philip R. White Papers (1901-1968), The Jackson Laboratory
Personal Papers Collection
No abstract provided.
A Ten-Millennia Lens: Landscape, Culture And History At Russell Cave National Monument, Jesse Randall English
A Ten-Millennia Lens: Landscape, Culture And History At Russell Cave National Monument, Jesse Randall English
Theses and Dissertations
Developed out of a need for a reliable methodology of documenting historic landscapes, the National Park Service uses Cultural Landscape Reports to determine the significance and integrity of historic landscapes. Treatment recommendations developed from an analysis of site history and existing conditions guide the management decisions of cultural landscapes. Russell Cave National Monument, located in Bridgeport, Alabama, contains one of the oldest continuous archeological records in North America. A cultural landscape report for the park had not yet been completed. This research consists of a historical narrative covering the 10,000 years of human occupation in the cave, a documentation of …
The Colby Echo (2012-04-11), Colby College
The Colby Echo (2012-04-11), Colby College
The Colby Echo
Published by the students of Colby College since 1877, The Colby Echo is the weekly, editorially independent student-run newspaper of Colby College in Waterville, Maine. Published monthly, 1877-1886; semi-monthly, 1886-1897; and weekly, during the academic year, 1898-present.
Characterization Of Aquaporin 4 Protein Expression And Localization In Tissues Of The Dogfish (Squalus Acanthias), Christopher P. Cutler, Sheena Harmon, Jonathan Walsh, Kia Burch
Characterization Of Aquaporin 4 Protein Expression And Localization In Tissues Of The Dogfish (Squalus Acanthias), Christopher P. Cutler, Sheena Harmon, Jonathan Walsh, Kia Burch
Biology: Faculty Publications
The role of aquaporin water channels such as aquaporin 4 (Aqp4) in elasmobranchs such as the dogfish Squalus acanthias is completely unknown. This investigation set out to determine the expression and cellular and sub-cellular localization of Aqp4 protein in dogfish tissues. Two polyclonal antibodies were generated (AQP4/1 and AQP4/2) and these showed somewhat different characteristics in Western blotting and immunohistochemistry. Western blots using the AQP4/1 antibody showed two bands (35.5 and 49.5 kDa) in most tissues in a similar fashion to mammals. Liver had an additional band of 57 kDa and rectal gland two further faint bands of 37.5 and …
Enhancing Thermal Tolerance By Eliminating The Pejus Range: A Comparative Study With Three Decapod Crustaceans, Jennifer A. Jost, Stephanie M. Podolski, Markus Frederich
Enhancing Thermal Tolerance By Eliminating The Pejus Range: A Comparative Study With Three Decapod Crustaceans, Jennifer A. Jost, Stephanie M. Podolski, Markus Frederich
Marine Sciences Faculty Publications
Marine invertebrates in the intertidal and subtidal zones are often exposed to highly variable environmental conditions, especially rapid changes in temperature. The ability to survive at different temperatures has previously been described using an extended version of Shelford’s law of tolerance, with optimum, pejus (Latin: ‘turning worse’), and pessimum ranges, and the respective thresholds, critical (Tc) and pejus (Tp) temperatures, that mark the transition from one range into the next. The width of the pejus range, in which the scope for activity gradually declines, varies among species. We tested the hypothesis that the width of the …
Aquaporin 4 Is A Ubiquitously Expressed Isoform In The Dogfish (Squalus Acanthias) Shark, Christopher P. Cutler, Bryce Maciver, Gordon Cramb, Mark L. Zeidel
Aquaporin 4 Is A Ubiquitously Expressed Isoform In The Dogfish (Squalus Acanthias) Shark, Christopher P. Cutler, Bryce Maciver, Gordon Cramb, Mark L. Zeidel
Biology: Faculty Publications
The dogfish ortholog of aquaporin 4 (AQP4) was amplified from cDNA using degenerate PCR followed by cloning and sequencing. The complete coding region was then obtained using 5′ and 3′ RACE techniques. Alignment of the sequence with AQP4 amino acid sequences from other species showed that dogfish AQP4 has high levels (up to 65.3%) of homology with higher vertebrate sequences but lower levels of homology to Agnathan (38.2%) or teleost (57.5%) fish sequences. Northern blotting indicated that the dogfish mRNA was approximately 3.2 kb and was highly expressed in the rectal gland (a shark fluid secretory organ). Semi-quantitative PCR further …
Community Annotation And Bioinformatics Workforce Development In Concert—Little Skate Genome Annotation Workshops And Jamborees, Qinghua Wang, Cecilia N. Arighi, Benjamin L. King, Shawn W. Polson, James Vincent, Chumching Chen, Hongzhan Huang, Brewster F. Kingham, Shallee T. Page, Marc Farnum Rendino, William Kelley Thomas, Daniel W. Udwary, Cathy H. Wu
Community Annotation And Bioinformatics Workforce Development In Concert—Little Skate Genome Annotation Workshops And Jamborees, Qinghua Wang, Cecilia N. Arighi, Benjamin L. King, Shawn W. Polson, James Vincent, Chumching Chen, Hongzhan Huang, Brewster F. Kingham, Shallee T. Page, Marc Farnum Rendino, William Kelley Thomas, Daniel W. Udwary, Cathy H. Wu
Biomedical and Pharmaceutical Sciences Faculty Publications
Recent advances in high-throughput DNA sequencing technologies have equipped biologists with a powerful new set of tools for advancing research goals. The resulting flood of sequence data has made it critically important to train the next generation of scientists to handle the inherent bioinformatic challenges. The North East Bioinformatics Collaborative (NEBC) is undertaking the genome sequencing and annotation of the little skate (Leucoraja erinacea) to promote advancement of bioinformatics infrastructure in our region, with an emphasis on practical education to create a critical mass of informatically savvy life scientists. In support of the Little Skate Genome Project, the …
Case Studies In Community Vitality And Downtown Revitalization Phase Two: Refining Measurementt Approaches And Considerations, Krissy Mailman, Kim Monaghan - Derrig, Kyra Walker
Case Studies In Community Vitality And Downtown Revitalization Phase Two: Refining Measurementt Approaches And Considerations, Krissy Mailman, Kim Monaghan - Derrig, Kyra Walker
Muskie School Capstones and Dissertations
This team reviewed the literature on community indicators, worked with the Portland team to determine qualities of good indicator systems, and then developed an extensive field interview and observation instrument. This instrument was then used to assess a variety of community attributes in case study sites. Our research expanded on the work of the case studies in community revitalization work. They considered the fiscal issues facing local governments and discuss how that may impact their current and future efforts to revitalize their community. Another element will measure the community’s level of public participation and communication. This will include ranking the …
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, T B. Harris, N Rajakaruna, S J. Nelson, P D. Vaux
Stressors And Threats To The Flora Of Acadia National Park, Maine: Current Knowledge, Information Gaps, And Future Directions, T B. Harris, N Rajakaruna, S J. Nelson, P D. Vaux
Faculty Publications, Biological Sciences
Stressors and threats to the flora of Acadia National Park, Maine: Current knowledge, information gaps, and future directions. J. Torrey Bot. Soc. 139: 323–344. 2012.— Acadia National Park is a center of plant diversity in northeastern North America. The Park's varied habitats and flora are sensitive to a number of natural and anthropogenic perturbations. Stressors such as invasive plants, pest and pathogens, ozone, acidic fog and sulfur deposition, nitrogen deposition, heavy metals, fire and fire suppression, over-browsing, visitor use, hurricanes, and climate change have all had effects on the Park's habitats and plant species at some point and it is …
In Vitro Study Of The Microsporidian Parasite Loma Morhua, Using Cod-Derived Cells And Novel Culture Techniques, Michael J. Macleod
In Vitro Study Of The Microsporidian Parasite Loma Morhua, Using Cod-Derived Cells And Novel Culture Techniques, Michael J. Macleod
Theses and Dissertations (Comprehensive)
The cod populations of the Canadian Atlantic were once highly productive, generating enormous annual harvests and attracting fishing fleets from many nations. However, through the late 1980s improved fishing technology, unprecedented capture rates, and poor fishery management brought wild stocks beyond the point of collapse. Dwindling harvests in the early 1990s resulted in cod fishing moratoriums, and an end to the productivity for which the fishery was once renowned. Atlantic cod remains a popular food worldwide and the collapse of cod fisheries has done little to abate market demands. Consequently, the cod is considered a prime candidate for aquaculture production, …
Actin Polymerization Controls The Activation Of Multidrug Efflux At Fertilization By Translocation And Fine-Scale Positioning Of Abcb1 On Microvilli., Kristen E. Whalen, A Reitzel, A. Hamdoun
Actin Polymerization Controls The Activation Of Multidrug Efflux At Fertilization By Translocation And Fine-Scale Positioning Of Abcb1 On Microvilli., Kristen E. Whalen, A Reitzel, A. Hamdoun
Biology Faculty Scholarship
No abstract provided.