SALEM, Ore. (AP) - An aquatic weed capable of clogging irrigation canals and other waterways has appeared along the shores of the Columbia River in Oregon for the first time. Six patches of flowering ...
Kochi: Water hyacinths in canals like Karanakkodam Thodu and Thevara-Perandoor Canal obstruct the flow of water, causing ...
An "explosion of duck weed" is swamping Lancashire's canals, according to the Canal and River Trust (CRT). The trust says it is removing about 70 tonnes of the floating weed each week to ensure the ...
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