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The Soil Food Web

The Soil Food Web. A Complex Food Web. Specialists & Generalists. Shredders. Millipedes. Pillbugs. Herbivores. Symphylan. Predators (2): Pseudoscorpions. NEMATODES. Where are the soil organisms?. Rhizosphere Litter Humus On & around soil aggregates. Actinomycetes.

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The Soil Food Web

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  1. The Soil Food Web

  2. A Complex Food Web Specialists & Generalists

  3. Shredders Millipedes Pillbugs

  4. Herbivores Symphylan

  5. Predators (2):Pseudoscorpions

  6. NEMATODES

  7. Where are the soil organisms? • Rhizosphere • Litter • Humus • On & around soil aggregates

  8. Actinomycetes • Bacterial cells • Grow like fungal hyphae

  9. FUNGI

  10. Nematode Trappers Fungal hyphal rings constrict when a nematode swims through.

  11. Oe Bacteria Fungi Yeast = red colonies here

  12. Oe Bacteria Fungi Yeast = red colonies here

  13. Zones of inhibition (competition)

  14. Cyanobacteria – N fixing Diatoms ALGAE Lichens (fungi+algae)

  15. Mites and Biodiversity

  16. Springtails (fungal feeders) • Abundant in many soils. • Feed on some disease-causing fungi. • Jump by slamming their tail down.

  17. FOOD WEB & SOIL HEALTH Mite feeding on springtail INTERACTIONS!!!

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