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Experimental <i>Zostera marina</i> plots were planted in Hog Island Bay over a depth gradient of 0.8 m (range −0.78–1.5 MSL).

By Laura K. Reynolds (318282), Karen J. McGlathery (190605) and Michelle Waycott (318285)


<p>Environmental conditions [light (A) and temperature (B)] varied with depth and resulted in differences in plant density (C). Plots at a depth less than 1 m and plots with a depth greater than 1.4 m had lower densities, while mid-depth plots had high densities that increased each year. Plots, replicated at each depth, were assigned to one of two levels of genetic diversity: relatively high (4.4 alleles per locus ±0.3 s.e.) and relatively low (3.5 alleles per locus ±0.3 s.e.). (D) Differences in density between the high diversity and low diversity plots were analyzed with a chi-square test (expected value of 0). Plants at the deepest depths died during the second growing season; therefore, differences were analyzed for the first year, while all plots had live plants, independently. Arrows indicate the timing of maximum density difference between high and low diversity plots.</p

Topics: Genetics, Ecology, Plant Biology, plots, planted, hog, gradient
Year: 2013
DOI identifier: 10.1371/journal.pone.0038397.g004
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Provided by: FigShare
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