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Digital Herbarium Lab with RStudio: Are shifting abundances of native species detectable over time?

Author(s): Rebecca Penny Humphrey

Aquinas College

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Summary:
This 2- to 3-hour lab activity introduces sophomore-level students to digitized herbarium collections, R-coding, and potential reasons for shifting abundances in native and non-native plant species over time.

Licensed under CC Attribution-NonCommercial-ShareAlike 4.0 International according to these terms

Version 1.0 - published on 23 Jul 2021 doi:10.25334/KRSB-FQ70 - cite this

Keywords

  1. data analysis
  2. tool:rstudio
  3. natural history
  4. plant biology
  5. invasive plants
  6. herbarium
  7. native plants
  8. digitized natural history collections
  9. R code

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  2. Audience Level
  3. Activity Length
  4. Open Science and Education Practices Ontology
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Description

This 2- to 3-hour lab activity introduces sophomore-level students to digitized herbarium collections, possible scientific applications of specimens, and basic R coding. Students will briefly explore assigned specimens within the NYBG C.V. Starr Virtual Herbarium. Student pairs then use provided R code to investigate an assigned topic related to the relative abundance of two species that occupy similar habitats in North America. Students will produce two R-generated histograms showing abundance of each species across years and a lab report that requires students to complete outside research to explain temporal shifts in abundance of the two focal species.

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