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Arsenic accumulations in the range 30 to 650 mg/kg dry wt. were detected in several submerged species taken from the Waikato river system where the el...
Read moreThis report focuses on the North American aquatic plants Elodea canadensis (Canadian pondweed) and E. nuttallii (Nuttall's waterweed), particularly th...
Read moreCauses of seedling mortality in D. fusca were investigated, and the flooding tolerance of seedlings was examined in field and glasshouse experiments i...
Read moreMax. hourly rates of CO2 uptake measured in midsummer in well-developed communities of S. molesta and E. crassipes ranged from 20 to 23 and from 30 to...
Read moreA population of 570 adult beetles (Cyrtobagous sp.) released onto plants of Salvinia molesta in field cages declined to 40 adults over 7 months, and i...
Read moreA replicated experiment was conducted in 1988-89 in a stand of reeds (Phragmites australis) which were cut, burnt or left unmanaged on the Hundred Acr...
Read moreEnclosures (4.5 m3) in a dense Potamogeton pectinatus community were enriched by weekly additions of NaNO3 and KH2PO4 at four rates (max. 1000 mu g N ...
Read moreGrowth of P. stratiotes at the southern-most tip of the man-made Volta Lake in Ghana was measured over 1 year. Biomass and relative growth rate remain...
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