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Biological soil crusts inhibit seed germination in a temperate pine barren ecosystem

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RT @Jeff_d_corbin: @PeerJPreprints It is a new direction for our lab, so we welcome feedback/comments on this Preprint as we prepare to sub…
RT @Jeff_d_corbin: "Biological soil crusts inhibit seed germination in a mesic pine barren ecosystem" @PeerJPreprints https://t.co/JmXQL4…
RT @Jeff_d_corbin: "Biological soil crusts inhibit seed germination in a mesic pine barren ecosystem" @PeerJPreprints https://t.co/JmXQL4…
29 days ago
Biological soil crusts inhibit seed germination in a mesic pine barren ecosystem https://t.co/R22lEhsxYo
@PeerJPreprints It is a new direction for our lab, so we welcome feedback/comments on this Preprint as we prepare to submit for peer review. Thanks! https://t.co/JmXQL4bgdB
"Biological soil crusts inhibit seed germination in a mesic pine barren ecosystem" @PeerJPreprints https://t.co/JmXQL4bgdB https://t.co/toTjxgaN2O
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Supplemental Information

Corbin and Gilbert Figure 1 - Study area at Pine Bush Preserve in New York State, indicated by the stars

DOI: 10.7287/peerj.preprints.27354v3/supp-1

Figure 2 – Boxplots of (A) total seed germination and (B) number of days to 50% of total germination (T50) for each soil type x plant species combination

The box in each box- and- whiskers plot represents the 25th and 75th percentiles, while the line in the middle of the box is the median (50th percentile). The top and bottom whiskers extend to the most extreme data points that are no more than 1.5 times the interquartile range from the box. The ppen circle is an outliers beyond the whiskers. Total seed germination was lower, and T50 was longer, on crusted soils compared to uncrusted soils. A similar number of seeds germinated for each plant species, but bush clover seeds germinated significantly faster than lupine seeds.

DOI: 10.7287/peerj.preprints.27354v3/supp-2

Figure 3 – Cumulative number of germinated seeds for bush clover and lupine on each soil type during the 35-day experiment

DOI: 10.7287/peerj.preprints.27354v3/supp-3

Table 1: Analysis of variance comparing the effects of Soil Type and species and the interaction between the two on total germination and time to 50% of total germination (T50)

Significant p-values are indicated by bold text.

DOI: 10.7287/peerj.preprints.27354v3/supp-4

Additional Information

Competing Interests

The authors declare that they have no competing interests

Author Contributions

Jessica A. Gilbert conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Jeffrey D. Corbin conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Field Study Permissions

The following information was supplied relating to field study approvals (i.e., approving body and any reference numbers):

Collection of crusts for our study were permitted by Albany Pine Bush Preserve.

Data Deposition

The following information was supplied regarding data availability:

Data to be submitted to DataDryad.

Funding

This research was made possible by funding from Union College in support of JAG. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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