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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Floristic Response To Urbanization: Filtering Of The Bioregional Flora In Indianapolis, Indiana, Usa, Rebecca W. Dolan, Myla F.J. Aronson, Andrew L. Hipp
Floristic Response To Urbanization: Filtering Of The Bioregional Flora In Indianapolis, Indiana, Usa, Rebecca W. Dolan, Myla F.J. Aronson, Andrew L. Hipp
Biological Sciences
PREMISE OF THE STUDY: Globally, urban plant populations are becoming increasingly important, as these plants play a vital role in ameliorating effects of ecosystem disturbance and climate change. Urban environments act as filters to bioregional flora, presenting survival challenges to spontaneous plants. Yet, because of the paucity of inventory data on plants in landscapes both before and after urbanization, few studies have directly investigated this effect of urbanization.
METHODS: We used historical, contemporary, and regional plant species inventories for Indianapolis, Indiana USA to evaluate how urbanization filters the bioregional flora based on species diversity, functional traits, and phylogenetic community structure. …
Influence Of Light Quality And Quantity On Heterophylly In The Aquatic Plant Nymphaea Odorata Subsp. Tuberosa (Nymphaeaceae), Travis Ryan
Scholarship and Professional Work - LAS
Heterophylly, the production of different leaf forms on the same plant, is a widespread phenomenon in terrestrial and aquatic plants and provides an opportunity to study how sessile organisms sense and respond to changes in environmental factors. Nymphaea odorata subsp. tuberosa (American White Water Lily) produces 2 distinct leaf forms: a floating surface leaf and an aerial form in which the lamina is held above the water. Previous research suggests that changes in the light environment may be a critical determinant of heterophylly in Nymphaea. In this study, we tested the hypothesis that changes in light quantity and light quality …
Results Of The 2016 Indianapolis Biodiversity Survey, Marion County, Indiana, Jeffrey D. Holland, Rebecca W. Dolan, Jeremy J. Sheets, Michael S. Finkler, Brant E. Fisher, Roger L. Hedge, Tom Swinford, Nick Harby, Robert P. Jean, Megan K. Martin, Bill Mcknight, Marc Milne, Kirk Roth, Paul Rothrock, Carl Strang
Results Of The 2016 Indianapolis Biodiversity Survey, Marion County, Indiana, Jeffrey D. Holland, Rebecca W. Dolan, Jeremy J. Sheets, Michael S. Finkler, Brant E. Fisher, Roger L. Hedge, Tom Swinford, Nick Harby, Robert P. Jean, Megan K. Martin, Bill Mcknight, Marc Milne, Kirk Roth, Paul Rothrock, Carl Strang
Scholarship and Professional Work - LAS
Surprising biodiversity can be found in cities, but urban habitats are understudied. We report on a bioblitz conducted primarily within a 24-hr period on September 16 and 17, 2016 in Indianapolis, Indiana, USA. The event focused on stretches of three waterways and their associated riparian habitat: Fall Creek (20.6 ha; 51 acres), Pleasant Run (23.5 ha; 58 acres), and Pogue’s Run (27.1 ha; 67 acres). Over 75 scientists, naturalists, students, and citizen volunteers comprised 14 different taxonomic teams. Five hundred ninety taxa were documented despite the rainy conditions. A brief summary of the methods and findings are presented here. Detailed …
Floristic Inventory Of Woollen’S Gardens Nature Preserve, Indianapolis, Marion County, Indiana, Usa, With Quantitative Vegetation Sampling Of Permanent Plots In 2003 And 2016, Rebecca W. Dolan, Marcia E. Moore
Floristic Inventory Of Woollen’S Gardens Nature Preserve, Indianapolis, Marion County, Indiana, Usa, With Quantitative Vegetation Sampling Of Permanent Plots In 2003 And 2016, Rebecca W. Dolan, Marcia E. Moore
Scholarship and Professional Work - LAS
Urban forest fragments face challenges to habitat quality due to small size, isolation from larger natural areas, and close association with anthropogenic disturbance. Monitoring changes in vegetation can inform management practices targeted at preserving biodiversity in the face of these threats. Woollen’s Gardens is a high-quality mesic upland forest preserve in the city of Indianapolis, Indiana, USA, with a beechmaple older-growth forest and a significant display of showy spring wildflowers. The entire preserve was inventoried and quantitative vegetation analysis along seven 100 m transects was conducted in 2003 and again in 2016 to track changes. Data from both years document …
Featured Herbarium: But—The Friesner Herbarium Of Butler University, Rebecca W. Dolan
Featured Herbarium: But—The Friesner Herbarium Of Butler University, Rebecca W. Dolan
Scholarship and Professional Work - LAS
Feature written by Rebecca Dolan on the BUT—The Friesner Herbarium of Butler University in the Vasculum.
Elucidation Of Abscisic Acid In Stress Resistance Of Mnium Cuspidatum Through Salt Exposure And Chlorophyll Content Analysis, Kurt Corsbie
Elucidation Of Abscisic Acid In Stress Resistance Of Mnium Cuspidatum Through Salt Exposure And Chlorophyll Content Analysis, Kurt Corsbie
Undergraduate Honors Thesis Collection
Upon exposure to stresses, a battery of reactions occurs within the model moss Physcomitrella patens that induces the expression of defense-related genes. One of these reactions results in the production of abscisic acid (ABA), a plant hormone that helps a plant resist desiccation by inducing the activation of defense genes which results in protective physiological reactions. In this study, experiments were conducted on the moss species Mnium cuspidatum to see if it responds similarly to P. patens. This comparison was investigated as sample groups of M. cuspidatum and P. patens were pre-treated with 0µM, 50µM, or 500µM ABA to …