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Karen A. Harper

Researcher at Dalhousie University

Publications -  54
Citations -  3553

Karen A. Harper is an academic researcher from Dalhousie University. The author has contributed to research in topics: Taiga & Tundra. The author has an hindex of 26, co-authored 47 publications receiving 3035 citations. Previous affiliations of Karen A. Harper include Saint Mary's University & Université du Québec à Montréal.

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Edge Influence on Forest Structure and Composition in Fragmented Landscapes

TL;DR: In this paper, the magnitude and distance of edge influence are a direct function of the contrast in structure and composition between adjacent communities on either side of the edge, and local factors such as climate, edge characteristics, stand attributes, and biotic factors affect patch contrast.
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Plant functional trait change across a warming tundra biome

Anne D. Bjorkman, +146 more
- 04 Oct 2018 - 
TL;DR: Biome-wide relationships between temperature, moisture and seven key plant functional traits across the tundra and over time show that community height increased with warming across all sites, whereas other traits lagged behind predicted rates of change.
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The effects of fungal root endophytes on plant growth: a meta-analysis.

TL;DR: Overall plant biomass and nitrogen concentration responses to ascomycetous root endophyte inoculation is neutral to negative, although these results are somewhat confounded by among-study differences in experimental conditions, which undoubtedly contribute to the high levels of variability in plant response seen in the literature.
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Structure and composition of riparian boreal forest: new methods for analyzing edge influence

TL;DR: In this article, the distance of edge influence for forest structure and composition at lakeshore forest edges was quantified by comparing mean values at different positions along the transect to critical values established from a randomization test of interior forest data.
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Structural development following fire in black spruce boreal forest

TL;DR: In this article, the authors investigated stand development along a chronosequence on organic, clay and sand sites in black spruce boreal forest in northwestern Quebec, Canada and found that although trends in structural development are similar among site types, productivity and composition affect the timing of developmental stages.