Stanley Mills lamprey project

Lucas, M.C., Greaves, R.K., Bubb, D.H. and Kemp, P.S. (2007) Stanley Mills lamprey project , Redgorton, UK Scottish Natural Heritage 32pp. (Scottish Natural Heritage Commisioned Reports, Report No: 256 (ROAME No. F04LH03)).


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There are three species of lamprey in the UK; the sea lamprey Petromyzon
marinus, the river lamprey Lampetra fluviatilis and the brook lamprey Lampetra
planeri. All three are found in the River Tay. They are all included in Annex II of
the European Habitats Directive 92/43/EEC and are designated species in the
River Tay SAC. Stanley Mills is a small scale run-of-river hydro-electric power
station which takes water from the River Tay, upstream of Perth.
This project aimed to assess the impact of Stanley Mills power station on
downstream-migrating lamprey. Sea and river lamprey are typically anadromous
species. They spawn in fresh water where the ammocoetes (larvae) remain for
several years before transforming into parasitic adults and migrating to the sea.
The concern is that downstream migrating lamprey may travel into the water
intake for the hydropower station and either become impinged on trash screens
or damaged by passing through the turbine itself. Sampling was carried out
through the main expected period of emigration (September to March). Debris
from the trash screen was checked for lamprey. Nets were set in the outflow
from the power station while the turbine was both running and turned off to catch
lamprey which had passed through the turbines or the bywash. All lamprey
were identified, measured and their condition assessed

Item Type: Monograph (Project Report)
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ePrint ID: 52698
Date :
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Date Deposited: 25 Jul 2008
Last Modified: 16 Apr 2017 17:52
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