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Project Status Update: Fire and flowering in SPP

For her RET project, Lea gathered data to study the relationship between flowering density and seed set. She worked at Staffanson Prairie Preserve, which appears to have higher flowering density in burn years than non-burn years. This year, 2015, was a non-burn year. Lea and Team Echinacea kept track of the style persistence of about 50 individuals for which we have seed set information from prior burn years. These individuals were harvested and their achene count and seed set will be assessed in winter 2016 by Gordon Younkin, an undergraduate intern from Northwestern University. Gordon will work to build a model of seed set in Staffanson in a non-burn year and aims to compare this model to a burn year.

SPP

Site: Staffanson Prairie Preserve

Start year: 1996

Location: Staffanson Prairie Preserve

Overlaps with: phenology in remnants, phen for aii

Products: Lea is developing a dataset and lesson plan for high-school students to compare individual plants’ style persistence in burn years and non-burn years to test hypotheses about seed set in high- and low- flowering density. This lesson will introduce students to R and its use in data management and statistical analysis.

Read other flog posts about this experiment.

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