Monitoring the floating water-plantain : Luronium natans /
Willby, Nigel.
Eaton, J.
Clarke, S.
English Nature (EN).
Countryside Council for Wales (CCW).
Countryside Council for Wales (CCW).
Environment Agency (EA).
Scottish Environment Protection Agency (SEPA).
Scottish Natural Heritage (SNH).
Scotland and Northern Ireland Forum for Environmental Research (SNIFFER).
[Peterborough] : Life in UK Rivers,
c2003.
Title from cover.
Published by Life in UK Rivers, a joint venture involving English Nature (EN), the Countryside Council for Wales (CCW), the Environment Agency (EA), the Scottish Environment Protection Agency (SEPA), Scottish Natural Heritage (SNH), and the Scotland and Northern Ireland Forum for Environmental Research (SNIFFER)
Aquatic plants.
Freshwater ecology.