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1. Research
   1. The studies
   2. Methods
      • Study design
      • More about study design: sampling with transects
      • More about study design: randomly locating sample plots
      • Sampling earthworms
      • More about sampling earthworms: preserving earthworms
      • More about sampling earthworms: calculating biomass
      • More about sampling earthworms: ash free dry biomass
      • More about sampling earthworms: what is a natural log
      • Sampling plants
      • More about sampling plants: species-area curves
      • Sampling trees
      • Sampling soils
      • More about sampling soils: digging soil pits and collecting cores
      • More about sampling soils: particle size
      • More about sampling soils: mottles
   3. Publications
      • Our publications
      • Extended bibliography
      • Popular press: books & articles
      • Popular press: books & articles: complete list
2. Worm identification
   1. Getting started
   2. Learn anatomy and biology
   3. Ecological groups
   4. Identification guides
3. Forest ecology and worms
   1. Forest ecology
      • About the forest
      • Invasion rates
      • How forest ecosystems work
      • More about forest ecosystem models: carbon cycle
      • More about forest ecosystem models: components
      • More about forest ecosystem models: connections
      • More about forest ecosystem models: total leaf litter calculations
   2. Plants
      • Plants and worms
      • Trees
      • Understory plants
      • Fungi
   3. Animals
      • Animals and worms
      • Microscopic Animals
      • Macroinvertebrate animals
      • Macroinvertebrate animals: herbivory
   4. Soil & forest floor
      • Soil and worms
      • More about soil and worms: limiting nutrients
      • Soil layers
   5. People
4. Join the research team
   1. Document an occurrence
   2. Conduct your own studies
   • Participant information form
   • General habitat survey
   • General earthworm population study
   • General soil survey
   3. Join an ongoing study
   4. Workshops
5. Resouces for educators
   1. Games & activities
      • Making a worm observatory
      • Invasion of the exotic worm
   2. Workshops
6. What can I do?
7. Other Information
   1. About us/ contact us
   2. Funding and partners
   3. Search