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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Invasive Species In An Urban Flora: History And Current Status In Indianapolis, Indiana, Rebecca W. Dolan
Invasive Species In An Urban Flora: History And Current Status In Indianapolis, Indiana, Rebecca W. Dolan
Scholarship and Professional Work - LAS
Invasive plant species are widely appreciated to cause significant ecologic and economic damage in agricultural fields and in natural areas. The presence and impact of invasives in cities is less well documented. This paper characterizes invasive plants in Indianapolis, Indiana. Based on historical records and contemporary accounts, 69 of the 120 species on the official Indiana state list are reported for the city. Most of these plants are native to Asia or Eurasia, with escape from cultivation as the most common mode of introduction. Most have been in the flora of Indianapolis for some time. Eighty percent of Indianapolis’ invasive …
Bacon's Swamp- Ghost Of A Central Indiana Natural Area Past, Rebecca W. Dolan
Bacon's Swamp- Ghost Of A Central Indiana Natural Area Past, Rebecca W. Dolan
Scholarship and Professional Work - LAS
Bacon’s Swamp was identified in the 1920s as a ca. 12 ha glacial kettle lake bog system at the southernmost limits of these habitats in Indiana. Located just 9.6 km from the center of Indianapolis, the site was all but destroyed in the mid-20th century by urban expansion. Prior to habitat conversion at the site, Bacon’s Swamp was a frequent location for Butler University ecology class field trips and student research projects. Herbarium specimens and published inventory records allow for analysis of the historical vegetation of Bacon’s Swamp using modern techniques. Floristic Quality Assessment applied to these historical records reveals …
Movement And Habitat Use Of The Snapping Turtle In An Urban Landscape, Travis J. Ryan, William A. Peterman, Jessica D. Stephens, Sean C. Sterrett
Movement And Habitat Use Of The Snapping Turtle In An Urban Landscape, Travis J. Ryan, William A. Peterman, Jessica D. Stephens, Sean C. Sterrett
Scholarship and Professional Work - LAS
In order to effectively manage urban habitats, it is important to incorporate the spatial ecology and habitat use of the species utilizing them. Our previous studies have shown that the distribution of upland habitats surrounding a highly urbanized wetland habitat, the Central Canal (Indianapolis, IN, USA) influences the distribution of map turtles (Graptemys geographica) and red-eared sliders (Trachemys scripta) during both the active season and hibernation. In this study we detail the movements and habitat use of another prominent member of the Central Canal turtle assemblage, the common snapping turtle, Chelydra serpentina. We find the same …
Soil C And N Changes With Afforestation Of Grasslands Across Gradients Of Precipitation And Plantation Age, Sean T. Berthrong, Gervasio Pinero, Esteban G. Jobbagy, Robert B. Jackson
Soil C And N Changes With Afforestation Of Grasslands Across Gradients Of Precipitation And Plantation Age, Sean T. Berthrong, Gervasio Pinero, Esteban G. Jobbagy, Robert B. Jackson
Scholarship and Professional Work - LAS
Afforestation, the conversion of unforested lands to forests, is a tool for sequestering anthropogenic carbon dioxide into plant biomass. However, in addition to altering biomass, afforestation can have substantial effects on soil organic carbon (SOC) pools, some of which have much longer turnover times than plant biomass. An increasing body of evidence suggests that the effect of afforestation on SOC may depend on mean annual precipitation (MAP). The goal of this study was to test how labile and bulk pools of SOC and total soil nitrogen (TN) change with afforestation across a rainfall gradient of 600–1500 mm in the Rio …
Basking Behavior Of Emydid Turtles (Chysemys Picta Marginata, Graptemys Geographica, And Trachemys Scripta Elegans) In An Urban Landscape, W. E. Peterman, Travis J. Ryan
Basking Behavior Of Emydid Turtles (Chysemys Picta Marginata, Graptemys Geographica, And Trachemys Scripta Elegans) In An Urban Landscape, W. E. Peterman, Travis J. Ryan
Scholarship and Professional Work - LAS
Basking is common in emydid turtles and is generally accepted to be in thermoregulatory behavior. In 2004, we quantified and described the basking behavior of turtles in the Central Canal of Indianapolis. This canal system runs through an urban landscape that is dominated by fragmented woodlots, residential areas. and commercial areas. We observed that basking turtles exhibited variable basking behavior. with spatial and temporal shins in basking behavior from east-facing banks in the morning to west-facing banks in the afternoon. Turtles in the Central Canal are subject to frequent disturbance, which altered basking behavior. Many turtles forewent aerial basking on …
The Vascular Flora And Community Structure Of Little Calumet Headwaters Nature Preserve, Laporte Country, Indiana, Julia L. Angstmann, Paul E. Rothrock, Thomas W. Post
The Vascular Flora And Community Structure Of Little Calumet Headwaters Nature Preserve, Laporte Country, Indiana, Julia L. Angstmann, Paul E. Rothrock, Thomas W. Post
Scholarship and Professional Work - LAS
Little Calumet Headwaters Nature Preserve is a 108-acre tract of woodland and wetland areas that comprise the headwaters of the Little Calumet River in northwestern Indiana. The preserve, consisting of upland hardwood forests, groundwater seeps, and wetland complex, is an area of high diversity due to its topographical variation. A floristic inventory, plot sampling, and seed bank analysis were used to determine the structure and composition of the plant communities. The flora consists of 298 species (27 exotic) representing 188 genera and 84 families. Dominant vegetation of the forest includes Liriodendron tulipifera, Prunus serotina, Packera aurea and Podophyllum peltatum. …