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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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A Complex Food Web Specialists & Generalists
Shredders Millipedes Pillbugs
Herbivores Symphylan
Where are the soil organisms? • Rhizosphere • Litter • Humus • On & around soil aggregates
Actinomycetes • Bacterial cells • Grow like fungal hyphae
Nematode Trappers Fungal hyphal rings constrict when a nematode swims through.
Oe Bacteria Fungi Yeast = red colonies here
Oe Bacteria Fungi Yeast = red colonies here
Cyanobacteria – N fixing Diatoms ALGAE Lichens (fungi+algae)
Springtails (fungal feeders) • Abundant in many soils. • Feed on some disease-causing fungi. • Jump by slamming their tail down.
FOOD WEB & SOIL HEALTH Mite feeding on springtail INTERACTIONS!!!