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Table 1 Organism composition per liter stemflow and stemflow volume from each tree species over 8 weeks

From: Is stemflow a vector for the transport of small metazoans from tree surfaces down to soil?

  Number of organisms per liter stemflow over 8 weeks (n = 3, * n = 2) Percentage Percentage occurrence
1 2 3 4 5 6 7 8
Nematodes
 C. betulus 9–19 26 0–10 16–16 5–85 7–15* 0 8–15 10.1 94.1
 F. sylvatica 11–14 5–21 2–4 17–31* 2–205 0–3* 0 1–2* 13.5 100.0
 Q. robur 0 0 0 10–40 0 10 0 0 3.8 27.3
Rotifers
 C. betulus 11–76 31 6–80 8–31 8–31 73–480* 0 77–400 68.6 100.0
 F. sylvatica 26–49 28–350 10–30 43–50* 43–50 38–760* 0 10–12* 70.3 100.0
 Q. robur 3–24 0 0 10–28 10–27 0 0 8.5 63.6
Tardigrades
 C. betulus 0–6 0 2–40 0–2 0–55 0–1* 0 0–3 6.0 70.6
 F. sylvatica 1–7 2–50 1–4 3–5* 2–150 0–1* 0 0* 10.0 88.9
 Q. robur 0–4 0 0 3–8 0 0 0 0 1.1 27.3
Mites
 C. betulus 1 0 0–4 0–1 10–80 0–1* 0 5–100 10.0 82.4
 F. sylvatica 0 0–13 0 0* 8–15 0* 0 0–2* 1.5 100.0
 Q. robur 0–9 0 10–20 5–40 0 30 0 0 9.2 90.9
Collembolans
 C. betulus 0–3 0 1–20 1 20–43 0* 0 5–100 5.4 76.5
 F. sylvatica 1–2 7–21 1–4 1–2* 10–40 1* 0 1–0* 4.6 72.2
 Q. robur 24–340 0 110–430 33–46 0 80 0 0 77.3 100.0
Liter stemflow collected
 C. betulus 2.2–15.5 0–0.4 0.1–2.5 5.2–10.0 0.1–0.4 10.0* 0.0 0.0–1.8   
 F. sylvatica 18.5–22.2 0.1–0.6 2.0–5.1 10.0* 0.1–1.3 10.0* 0.0 1.6–1.9*   
 Q. robur 0.3–0.4 0–0.1 0.1 0.2–0.7 0.0 0.0–0.1 0.0 0.0   
  1. For the collected taxa (nematodes, rotifers, tardigrades, mites, and collembolan), the abundance (range), percentage of the organism’s composition and percentage occurrence are shown for each tree species (Carpinus betulus, Fagus sylvatica, and Quercus robur) (n = 3, * n = 2)