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1. Acari (Mites).
– feed on everything.
– 100,000 to 600,000 /m2 woodland soils.
2.Collembola (Springtails).
– feed on fungi and bacteria.
– 40,000 to 70,000 /m2 in grassland soils, 500-000 /m2 in coniferous woodland.
3.Coleoptera (Beetles).
– up to 2000 to 3000 /m2 in ungrazed grasslands, considerably lower in arable soils.
4.Hymenoptera (Ants).
– feed on other arthropods and plants secretions.
– important soil movers.
5.Symphyla
– feed on fungi.
– up to 1000 /m2 in grassland soils, 3000 /m2 in woodland soils.
6.Isopoda (Woodlice).
– feed on fungi, and dead plant material.
– 500 to 1500 /m2 in grassland soils, 3000 /m2 in woodland soils.
7.Diplopoda (Millipedes)
– feed on fungi, and dead plant material.
– Approx. 20 /m2 in grazed grassland, 100 /m2 in ungrazed grassland, 100+ /m2 in woodlands.
8.Chilopoda (Centipedes).
– feed on insects and other soil arthropods.
– approx. 120 /m2 in grassland, 150+ in woodlands.
9.Aranaea (Spiders).
– feed on other arthropods.
– 480 /m2 in Moorlands, 200 /m2 in pasture.
10.Protozoa.
– feed on bacteria and fungi.
– 10 million /m2 (3 to 20 g/m2).
11.Nematodes (round worms).
– feed on bacteria, fungi, protozoa and plant roots.
– 10 million /m2 in grassland soils, 30 million /m2 in woodland soils.
12.Enchytraeids (pot worms).
– feed on dead plant material.
– 200-000 /m2 in grassland (50-35 g/m2).
13.Tardigrades (water bears).
– 50 to 500 /m2
14.Pauropoda.
– 20 to 2000 /m2.
15.Molluscs (Slugs and Snails).
– feed on rotting vegetation (+ a few carnivorous species which eat other molluscs).
– approx. 15 /m2 in grassland soils, 450 /m2 in woodland soils.
jim items answered the question on February 18, 2019 at 07:10
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