Data from: How shrub encroachment under climate change could threaten pollination services for alpine wildflowers: a case study using the alpine skypilot, Polemonium viscosum

Kettenbach JA, Miller-Struttmann N, Moffett Z, Galen C

Date Published: August 1, 2017

DOI: http://dx.doi.org/10.5061/dryad.2p2bh

 

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Title salix and pv phenology data
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Description Flowering phenology data (Julian day) for Salix spp. and Polemonium viscosum specimens collected from 25 sites in the Colorado Rocky Mountains between 1907 and 2009. The location, altitude, mean minimum June temperatures, and the latitude and longitude estimated using Google Earth are provided for each specimen.
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Title 2016 population survey
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Description Pollen counts on stigmas from naturally pollinated P. viscosum flowers. Pollen identified as Salix and P. viscosum (denoted by “pv” in the data file) were quantified using light microscopy. Salix pollen contamination was estimated as the frequency (proportion) of total pollen identified as Salix pollen. The site name, unique sample number (“sample ID), and the distance (m) from the focal plant to the nearest Salix spp. plant are included.
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Title pollen purity vs seed set
Downloaded 5 times
Description Average seed set per flower for naturally pollinated plants at Pennsylvania Mountain, Colorado. Pollination success (conspecific pollen deposition and germination rates) and contamination (proportion of pollen from Salix spp.) were quantified for one flower per inflorescence.
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Title pollination experiment
Downloaded 4 times
Description Data from the pollination contamination experiment. Individual plants found within groups of P. viscosum plants were randomly assigned to one of three pollination treatments: no pollen supplementation, conspecific (P. viscosum) pollen supplementation, and Salix spp. pollen supplementation. The plant number, group number, number of flowers pollinated, number of seeds produced, and average seeds per flower are provided.
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When using this data, please cite the original publication:

Kettenbach JA, Miller-Struttmann N, Moffett Z, Galen C (2017) How shrub encroachment under climate change could threaten pollination services for alpine wildflowers: a case study using the alpine skypilot, Polemonium viscosum. Ecology and Evolution, online in advance of print. http://dx.doi.org/10.1002/ece3.3272

Additionally, please cite the Dryad data package:

Kettenbach JA, Miller-Struttmann N, Moffett Z, Galen C (2017) Data from: How shrub encroachment under climate change could threaten pollination services for alpine wildflowers: a case study using the alpine skypilot, Polemonium viscosum. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.2p2bh
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