Clearing waterways by relocating slum dwellers would require considerable political will, Mr. Juanico said.
Of these, 65% conducted indoor residual spraying (IRS), primarily using dichlorodiphenyltrichloroethane (DDT), 33% conducted chemical or biological larval control, 23% carried out environmental management (e.g., vegetation clearing, waterway construction), and 16% distributed bed nets, treated or untreated.
The water at the Rockaway beaches is usually as clean as the water at their Long Island counterparts; the Brooklyn and Staten Island beaches can be clear or murky, depending on time and tide; beaches in less open waterways, like Orchard Beach, are the murkiest.
The reason, she said, is that the Public Trust Doctrine "makes very, very clear that waterways are a protected area for the public".
"We are united in calling for clearer, healthier waterways and fish communities," La Nauze said.
Navy officers said that within three days, large cargo ships could begin ferrying military supplies, food, water and medicine to inland cities. "Clearing these waterways is essential to transporting humanitarian aid," said Jason, a barrel-chested member of the Seals who commanded today's operation.
When boats need to pass, the deck is winched sideways, and clears the waterway because it crosses it at an angle.
The 'edges' of any environment are the most productive - trees are fertilized and keep a moisture and humidity from the forest behind them, but have access to full sun at the edge of a clearing or waterway.
They are all now regarded as a threat to native species and a hindrance to keeping waterways clear of obstructions.
