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  • Electronic Resource  (1)
  • Chalk stream fauna  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 49 (1976), S. 117-121 
    ISSN: 1573-5117
    Keywords: Ephemeroptera ; Ephemerella ignita ; Chalk stream fauna
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The nymphs ofEphemerella ignita occurred in all months except October in the Bere Stream at Bere Heath, a small chalk stream in Southern England. Peak densities of 1,498 m−2 and 753 m−2 were recorded in May by two sampling methods used simultaneously. The seasonal patterns of growth and abundance are compared with the findings of other authors. A maximum biomass of 0.82 g m−2 preserved dry weight is compared with figures for two of the most common invertebrate groups present; the Simuliidae and Oligochaeta.
    Type of Medium: Electronic Resource
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