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Table 1 Larval densities of Nemurella pictetii per m2 in different water bodies.

From: Effects of intraspecific competition on the life cycle of the stonefly, Nemurella pictetii (Plecoptera: Nemouridae)

River Density Remarks Publication Publication
Spring Ravnkilde Denmark 29292 (08) Moss; first instar possibly not covered, n = 10 [42]
Broadstone Stream England 1323 (09) Substrates of all kind, n = 40 [55]
Tributary to stream Biała Przemsza Poland 18365 (01) Submerged macrophytes, larvae smaller than 1 mm not included, n = ? [23]
Stream Vel'ký Javorník Slovakia ca. 900 (12) Gravel and detritus, n = 2-3 [56]
  1. Abbreviations: density = maximal larval density (in parentheses, the month when it occurs), n = number of parallel samples.