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Context dependency of plant-plant and human-plant interactions in alpine and arctic tundra / by Simone S. Whitecloud

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Author	Whitecloud, Simone
Title	Context dependency of plant-plant and human-plant interactions in alpine and arctic tundra / by Simone S. Whitecloud
Date	2016
Abstract	While plant-plant interactions define community patterns in alpine tundra around the world, topography and elevation and the resulting physical changes that occur when moving down-slope play a greater role in community formation and maintenance in New England, USA. I set out to document how interactions between the cushion plant, Diapensia lapponica, and the dwarf shrub, Vaccinium uliginosum, change along a gradient of physical severity in the White Mountains of New Hampshire. Much research demonstrates the benefits of cushion plants to other species, e.g. (Cavieres et al. 2002; Cavieres et al. 2006), and even the detriment that may occur to the cushion as the success of its beneficiaries grows (Klanderud 2010). My results show that both species respond to changes in the physical gradient, but surprisingly, the interaction between D. lapponica and V. uliginosum appears to be neutral, neither species exhibited physiological benefits or detriments in response to the presence of the other. Rather, plant architecture was a better predictor of whether the two species were found growing together.
Description	1 online resource (x, 112 leaves) : color illustrations, color map
Format	application/pdf
College	Dartmouth College -- Department of Biology.
Issuing Body	Dartmouth Dissertations are made available through the Dartmouth Digital Library.
Degree	Thesis (Ph.D)--Dartmouth College.
Copyright	Made available by the author under a Creative Commons Attribution-NonCommercial License.; Made available by the Trustees of Dartmouth College under a Creative Commons Attribution-NonCommercial License. https://creativecommons.org/licenses/by-nc/4.0/
DOI	https://doi.org/10.1349/ddlp.2170

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Context dependency of plant-plant and human-plant interactions in alpine and arctic tundra / by Simone S. Whitecloud

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