By SHARPE, Marty FOUR hundred grass carp introduced to a Hawke's Bay lake have chewed their way through an aquatic weed called an "aggressive environmental cancer".

By CARPINTER, Bernard BIOSECURITY NEW ZEALAND is preparing to use poison and carp to fight a devastating lake weed. It plans to start on Lake Tutira, north of Napier, but fishermen are worried that the campaign could spoil the trout fishery on the lake and associated streams.

By STEVE FORD, staff writer Let's talk weeds. Some might refer to them as moss, pond scum or lake lettuce, which encompasses a wide array of aquatic growth. Anglers have a love-hate relationship with them. They're great habitat for predator and prey species, but a pain to fish.

By Jeremy Morrison, The News Herald, Panama City, Fla. Mar. 20--LYNN HAVEN -- The waters of Mill Bayou are thick with tourists of a sort. "They're piled in there like cordwood," said Eric Orme, who lives nearby.

As slogans go, this one's catchy: "Buy a Carp, Save the River." The idea, according to Augusta resident Bill Bricker, is to use any means necessary - including the introduction of grass eating carp - to control aquatic weeds in the Savannah River. "There has to be something we can do," he said.