Browsing by Author "Wells, R.D.S."
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Consumption of submerged aquatic macrophytes by rudd (scardinius erythrophthalmus L.) in New Zealand
(2002)In experiments in New Zealand, rudd (Scardinius erythrophthalmus L.) of 108–277mm fork length (FL) ate a wide range of native and introduced submerged aquatic macrophytes in captivity and in the field. Rudd consumed the ... -
Control of macrophytes by grass carp (ctenopharyngodon idella) in a Waikato drain, New Zealand
(S I R Publishing, 2003)Hornwort (Ceratophyllum demersum L.) and other aquatic macrophytes have historically been mechanically removed from the Rangiriri drain and Churchill East drain to maintain drain efficiency. As an alternative control method ... -
Fish and macroinvertebrates in lowland drainage canals with and without grass carp
(Aquatic Plant Management Society, 2006-07)Diploid grass carp (Ctenopharyngodon idella L.) were introduced to a lowland Waikato drainage canal at an initial density of 40-80 kg ha -1(83-167 fish ha -1) to control aquatic macrophytes and improve water flow. A near-by ...
