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Full-Text Articles in Entire DC Network
Nutrient Flux From Aquatic To Terrestrial Invertebrate Communities Across A Lakeside Ecotone, Hosanna B. Loreaux
Nutrient Flux From Aquatic To Terrestrial Invertebrate Communities Across A Lakeside Ecotone, Hosanna B. Loreaux
Browse all Theses and Dissertations
In this study, I examined how the spatiotemporal distribution of spider webs and diet changed in a lake riparian zone with increasing distance from an aquatic resource. I surveyed twenty, one-hundred meter transects along the perimeters of Sanford and Escanaba lakes (Wisconsin). Overall, spider web abundance was highest near the lakes and decreased moving into the adjacent forest. Horizontal orb webs, vertical orb webs, and mesh webs showed strong negative relationships with distance from the lakes. Aquatic insects composed an average 36-64% of spider diet for all spider families throughout the riparian zone, suggesting that some spider families are selecting …
Core Competencies For Successful Watershed Management Practitioners, Vikram Koundinya, Anne Baird, Jenna Klink, Lois Wolfson, Jane Frankenberger, Joseph Bonnell, Rebecca Power
Core Competencies For Successful Watershed Management Practitioners, Vikram Koundinya, Anne Baird, Jenna Klink, Lois Wolfson, Jane Frankenberger, Joseph Bonnell, Rebecca Power
The Journal of Extension
We surveyed participants from three watershed leadership education programs to identify competencies critical to successful watershed management. Participants rated 26 competency areas identified from literature and watershed education curricula for extent of criticality and listed additional competencies needed for successful watershed management. On the basis of those ratings and listings, we propose that competency in the following areas is required: establishing and maintaining partnerships/collaborating, outreach and communication, project and organizational management, landowner interaction/interpersonal skills, facilitative leadership, and, possibly, developing and maintaining a vision for the future. Our findings have implications for designing professional development activities and developing position descriptions for …
Phytoplankton In Virginia Lakes And Reservoirs, Harold G. Marshall
Phytoplankton In Virginia Lakes And Reservoirs, Harold G. Marshall
Virginia Journal of Science
This study involves a phytoplankton summer/autumn survey in 46 Virginia lakes and reservoirs during 2010-2012. A total of 307 taxa were identified which included several filamentous and colonial cyanabacteria in bloom concentrations. With the exception of one natural lake, the other sites sampled represent impoundments created decades ago, with the majority presently classified as meso- or eutrophic. Among the cyanobacteria were 6 known toxin producers (Anabaena circinalis, Anabaena spiroides, Aphanizomenon flos-aquae, Cylindrospermopsis raciborskii, Limnothrix redekei, and Microcystis aeruginosa). The study characterizes phytoplankton populations in these aging freshwater habitats taken from a large number …
Phytoplankton In Virginia Lakes And Reservoirs, Harold G. Marshall
Phytoplankton In Virginia Lakes And Reservoirs, Harold G. Marshall
Biological Sciences Faculty Publications
This study involves a phytoplankton summer/autumn survey in 46 Virginia lakes and reservoirs during 2010-2012. A total of 307 taxa were identified which included several filamentous and colonial cyanabacteria in bloom concentrations. With the exception of one natural lake, the other sites sampled represent impoundments created decades ago, with the majority presently classified as meso- or eutrophic. Among the cyanobacteria were 6 known toxin producers (Anabaena circinalis, Anabaena spiroides, Aphanizomenon flos-aquae, Cylindrospermopsis raciborskii, Limnothrix redekei, and Microcystis aeruginosa). The study characterizes phytoplankton populations in these aging freshwater habitats taken from a large number …
Surprises And Insights From Long-Term Aquatic Data Sets And Experiments, Walter K. Dodds, Christopher T. Robinson, E. E. Gaiser, Gretchen J.A. Hansen, Heather Powell, Joseph M. Smith, Nathaniel B. Morse, Sherri L. Johnson, Stanley V. Gregory, Tisza Bell, Timothy K. Kratz, William H. Mcdowell
Surprises And Insights From Long-Term Aquatic Data Sets And Experiments, Walter K. Dodds, Christopher T. Robinson, E. E. Gaiser, Gretchen J.A. Hansen, Heather Powell, Joseph M. Smith, Nathaniel B. Morse, Sherri L. Johnson, Stanley V. Gregory, Tisza Bell, Timothy K. Kratz, William H. Mcdowell
FCE LTER Journal Articles
long-term research on freshwater ecosystems provides insights that can be difficult to obtain from other approaches. Widespread monitoring of ecologically relevant water-quality parameters spanning decades can facilitate important tests of ecological principles. Unique long-term data sets and analytical tools are increasingly available, allowing for powerful and synthetic analyses across sites. long-term measurements or experiments in aquatic systems can catch rare events, changes in highly variable systems, time-lagged responses, cumulative effects of stressors, and biotic responses that encompass multiple generations. Data are available from formal networks, local to international agencies, private organizations, various institutions, and paleontological and historic records; brief literature …