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Capstone Projects

A Paleolimnological study of precipitation variability in the Adirondacks over the last thousand years

Mon, 12/02/2013 - 20:40
Abstract: At present, most regional climate models anticipate wetter conditions by the end of this century, but a few models anticipate drier conditions. This study uses foresight to test these models, as well as describe the relationship between the dominant climate system in the region and past precipitation in the Adirondacks. Precipitation was inferred from diatom assemblages observed along a lake sediment core extending into the 1000 years. This study shows that abrupt, extreme wet events were common during the last 1000 years, and a relationship between the dominant climate system (North Atlantic Oscillation) and precipitation was irregular during the cool Little Ice Age but negatively associated during the warm Medieval Climate Anomaly. With temperatures in the Northeast projected to increase by 2-5 degrees C by 2100 AD, our study suggests the region may become more arid rather than wetter, opposite of what models currently suggest.
Access: Yes
Literary Rights: On
Major: Biology, Environmental Sciences
Year: 2013
File Attachments: regalado.serwatka.docx
Authors: Sean A. Regalado, W. Martin Serwatka

Perception of the Color Blue in North American River Otters, Lontra canadensis

Fri, 12/06/2013 - 11:41
Abstract: Color vision is essential to many animal species, playing major roles in activities such as foraging and mate selection. Most animal phyla have 4 cones that aid in color vision, while mammals typically only have 2. This study aimed to provide evidence of the blue-range color vision in North American river otters, Lontra canadensis, by behavioral testing 4 captive otters. The subjects (2 male and 2 female adults) were tested individually over a period of 42 weeks. Each otter was presented with 3 cards, with choices between 2 white control cards and a blue test card (n = 1213). In later tests, all subjects were presented with 1 white control card, 1 blue test card, and 1 gray card (n = 417). All subjects distinguished the blue test card from the white control cards but only 1 subject differentiated the color blue from a grayscale correspondent (One-proportion z-test, p = 0.011). A bias based on card location was present only in 1 subject in the blue-white phase of testing (One-proportion z-test, p = 0.201) and in 3 subjects in the blue-grey phase of testing. The cause of this bias was unknown. The ability of 1 subject to reliably select the test card (One-proportion z-test, p = 0.011), provided some evidence that L. canadensis perceive the color blue.
Access: Yes
Literary Rights: Off
Major: Fisheries and Wildlife Science
Year: 2013
Authors: Chelsie LaFountain

The Response of Captive Gray Wolves (Canis lupus) to Agonistic Howl Recordings

Thu, 12/05/2013 - 18:58
Abstract: Gray wolves (Canis lupus) are a highly social carnivore that communicates through olfactory and acoustic signals, maintaining their social bonds and hierarchy with body language and touch. Long distance (i.e. howling) and olfactory communication are important in maintaining territory boundaries and mitigating interpack conflict or strife. The study area is a private, not-for-profit wolf conservation and education center in southern New York in the northeast United States. The goal of this study was to determine the overall change in behavior of wolves when faced with a long distance form of communication conveying an aggressive message. I hypothesized that wolves will respond with more activity during and after the howl recordings. An ethogram was adapted from Quandt, but upon personal observation, was altered as additional behaviors were observed. Instantaneous focal sampling was used during data collection at an interval of 15 seconds to sample two gray wolf siblings. The behaviors between wolves were not significantly different from each other (chi square = 0.86, critical value = 14.07, df = 6). This information has many management implications such as determining home range of packs, pack size, and could serve as a possible tool for deterring predation on livestock.
Access: Yes
Literary Rights: Off
Major: Fisheries and Wildlife Science
Year: 2013
File Attachments: Write-Up.docx
Authors: Erin Brinton

Draft Horse Sustainability Presentations: The effectiveness of presentations on draft animal power at the Adirondack Rural Skills and Homesteading Festival

Fri, 12/06/2013 - 12:53
Abstract: Paul Smith’s College has been putting on draft horse presentations for the public for many years but until now it was unknown how effective these were in education of the audience in topics of the interest. During the 2013 Adirondack Rural Skills and Homesteading Festival, a series of demonstrations and presentations were conducted for the public. Surveys of those in attendance have now given us information on how far people are traveling, what their prior experience is, what they want to learn, and how they want to learn it. From this information we wish to gauge attendees’ response to draft animals and their uses.
Access: Yes
Literary Rights: On
Major: Forestry, Natural Resources Management and Policy, Recreations, Adventure Travel and Ecotourism
Year: 2013
Authors: Alexandria Barner, Jacob Shultz

The role of terrestrial leaf litter inputs on drift of aquatic invertebrate shredders

Mon, 12/02/2013 - 13:34
Abstract: This study examined the effect of food availability on active drift entry of aquatic invertebrates by comparing drift density at low and high levels of terrestrial leaf litter input in Alder Brook. An emphasis was placed on the proportion of shredders collected during each sampling, who rely most on coarse particulate organic matter as a food source. In order to quantify food available in the stream channel, leaf packs were collected along three transects and weighed to determine dry biomass per stream area. Invertebrate drift samples were collected at high (leaf abscission) and low levels (late summer) of food abundance using three surber nets spaced evenly across the stream channel. Samples were taken at 3-hr intervals over a 24-hr sampling period. Out of eight sampling periods, drift density at low litter input was found to be greatest just after sunset and through the evening hours. Drift densities were significantly higher during 2 sampling periods and numerically higher for an additional 4 sampling periods. Shredders did not comprise the greatest proportion of the drift at low litter input, only accounting for 0.4% of total drifting invertebrates. The proportion of shredders increased to 36.2% at high litter input.
Access: Yes
Literary Rights: On
Major: Natural Resources Management and Policy
Year: 2013
File Attachments: Final_Manuscript_Simek.docx
Authors: Zachary Simek

Effects of Food Plots on (1) White-Tailed Deer (Odocoileus virginianus) Movement, (2) Antler Growth and (3) Potential Use by Other Wildlife on a Private 173 Acres in Davenport, NY

Mon, 12/02/2013 - 11:23
Abstract: In Davenport, New York, a 172.9 acre property is planning to undergo changes to suit a white-tailed deer management plan. This plan involves implementing four food plots of 4.25 acres, providing a year-long source of quality forage for the local deer herd, after initially clear-cutting 17 acres of forested land in spring 2012. Goals of food plot establishment are to supplement the value of the land as a hunting lease, increase viewing opportunities of deer, increase antler growth among bucks in the local deer herd, and to adequately supplement the diet of the local deer herd. This study focuses on the effects on (1) movement and (2) antler growth of white-tailed deer after the implementation of food plots on a forested property. Another component is the (3) potential for utilization of these food plots by other species of wildlife. Movement of deer will be assessed based on scat count, track count, and images of observed movement via trail cameras on travel routes. Deviation will be recorded from established travel routes, to new travel routes once the food plots have been implemented. The plot containing white clover showed the highest level of utility post-planting, followed by chicory, alfalfa and turnips.
Access: Yes
Literary Rights: Off
Major: Natural Resources Management and Policy
Year: 2013
Authors: Nicholas K. Zemlachenko