The rediscovery of the Cladoceran Eurycercus glacialis Lilljeborg, 1887 (Branchiopoda, Chydoridae) in Scotland

Duigan, C.A. (1991) The rediscovery of the Cladoceran Eurycercus glacialis Lilljeborg, 1887 (Branchiopoda, Chydoridae) in Scotland. Freshwater Forum, 1(3), pp. 184-194.

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Abstract

The author describes an investigation, the primary aims of which were to locate accurately and assess the ecological status of two Eurycercus glacialis populations in Scotland. A 1957 record of the species did not give a precise location, and on publication of a preliminary report on the location, the possibility of a second location was suggested. In April and May 1988, 16 waterbodies were sampled near Tain, in Scotland, as a result of which the dune waterbodies at Morrich More have now been positively identified as the only known location of E. glacialis in mainland Britain. A second population was found on Shetland. As the mainland site is under considerable developmental pressure from oil pipeline construction, the importance of determining the extent of the distribution on Shetland is highlighted.

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