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In situ particle generation in a southern Swedish stream 1
Author(s) -
Petersen Robert C.
Publication year - 1986
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1986.31.2.0432
Subject(s) - abiotic component , range (aeronautics) , ecosystem , streams , environmental science , particle (ecology) , carbon fibers , environmental chemistry , chemistry , ecology , biology , materials science , computer science , composite material , computer network , composite number
An increase in the number of particles was measured below a waterfall in a southern Swedish stream. POC increased below the falls by 0.12 mg C liter −1 , 5% of the total POC present. DOC decreased by 0.1 mg C liter −1 but was not significant and inorganic content remained unchanged. The number of Celloscope‐measured particles in the size range of 2–20 µ m increased below the falls, with a 66% increase in particles of 4–6‐ µ m diameter. Although POC generation was small it was greater than published allochthonous input rates to streams. Abiotic particle generation, although extremely difficult to measure, may be far more important to carbon dynamics in stream ecosystems than previously thought.