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https://d1y502jg6fpugt.cloudfront.net/17269/archive/files/96580f472a3496e19be7f389c746bf25.pdf?Expires=1712793600&Signature=lyyrApLqlw2D%7EjmrgYPhuNszuOAOFS3%7Eut2ZVktjxWlxCGBRVjnnL%7Eu-cZMKO1P79t22f9jyjJ-Kk86jdsMS1bbC7yH5xX%7EjLyB5I-vr1hd%7ERdv3UcZuXbILB0MIhIpF0TtVZHuP6h8-i7wo70uFilg5Ob4sD8WMmmkb2mWRDzqV5OTQbPGc66RqrWMeCdA3l14eOZnG0RYpMxSuRsneZzS%7E-NvR7F792tTqHBr8Nni3gVLfdqHeDS8dc7-df40YTA-7tk-%7EkHZYECkzNKWLOJbqCjWds05MKgGBnjvxfHhXWiJmxn2RQMT15L0p%7EGiF3QVlKEY1rrSe-83QCyRJpw__&Key-Pair-Id=K6UGZS9ZTDSZM
aab69292759ab50ec82d1dbc4d4eeae5
Dublin Core
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Title
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Senior Showcase 2016
Description
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Oral and poster presentations from Senior Showcase held on April 19, 2016 at Ripon College.
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Ripon College Lane Library
Date
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April 2016
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Ripon College Seniors 2016
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Primary Succession on the Basin of a Catastrophically Drained Lake in the Boreal Forest by Andrew Pierson
Subject
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Biology
Creator
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Pierson, Andrew
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Senior Showcase Poster presentation
Publisher
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Ripon College
Date
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April 19, 2016
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Major: Biology
Minor: History
Neenah, WI
Bio 501 & 502 - Senior Seminar
Description
An account of the resource
This study examined primary succession on the basin of a catastrophically drained lake in northern Minnesota. The site, Bass Lake, suffered this drainage as a result of logging operations in 1925, which reduced the total area of the lake from approximately 2 km2 present day size of 1.05 km2 (260 ac.). I hypothesized that succession occurring on this newly exposed area would follow the relay floristics model of Clements. Specifically, I expected a change from shade-intolerant trees, such as Betula papyrifera (paper birch), to shade-tolerant trees, such as Abies balsamea (balsam fir). To test this hypothesis, I used data collected using the Point-Centered Quarter Method for trees found below the old shoreline between the years of 1978 and 2010. The results indicated that there was a transition from paper birch to balsam fir on the north side of the lake. However, paper birch remained as the most significant tree on the south side of the lake throughout the study’s duration with no such transition. As a result, it appears that the north side of Bass Lake follows the relay floristics, but this hypothesis must be rejected for the south side. Factors such as soil texture, water availability, canopy openings, and growing season may have caused this difference.
Format
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pdf
Bass Lake
Biology
northern Minnesota
point-centered quarter method
relay floristics
shade tolerance