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In this study, students investigate whether and how much the native understory shrub pawpaw (Asimina triloba) may affect tree regeneration in a forested habitat. During one lab period in the field, they collect data on the densities of tree seedlings and saplings under varying densities of pawpaws. During a second lab period in a classroom, they test whether tree densities are lower under pawpaws, and whether plots with higher densities of pawpaws have lower densities of trees. After discussing a guide to writing lab reports, students participate in a “writing workshop” in which they read examples of student lab reports and discuss how to improve them. Students then report their findings in a brief lab report. This project introduces students to key components of ecological research including transect and plot sampling, paired designs, statistical analysis and scientific writing.
Associated files
Resource Group TIEE
Resource Group Link
Primary or BEN resource type
Secondary resource type
General Biology Core Concepts
Discipline Specific Core Concepts
General Biology Competencies
Life science discipline (subject)
Keywords Competition, conservation biology, deer impacts, forest ecology, invasive species, multispecies interactions, plant ecology, seedling growth, species interactions, correlation versus causation, scientific writing
Intended End User Role
Educational Language
Pedagogical Use Category
Pedagogical Use Description N/A
Aggregation Level
Full Name of Primary Author Kathryn M. Flinn
Primary Author Controlled Name
Primary Author Affiliation Franklin & Marshall College
Primary Author email
Added By Id
  • tmourad
Submitter Name ESA
Submitter Email
Rights Author retains copyright
Review type
Drought and Water Ecosystem Services Collection Off
Conservation Targets Under Global Change Collection Off
Big Data Collection Off
Editors Choice No
Resource Status
Date Of Record Submission 2014-12-09
I Agree to EcoEdDL's Copyright Policy & Terms of Use No
Date Of Record Release 2014-12-09 08:13:49
Last Modified By Id
  • educationintern
Date Last Modified 2018-07-30 11:21:13
Release Flag Published

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