In most municipal treatment plants, wastewater usually goes through a two-step process before it is discharged into lakes, rivers, and coastal waters
. Large solids are removed first during primary treatment--mechanical screens remove large debris, and sedimentation tanks remove sludge (solids that sink) and scum (elements that rise to the top).
According to the Washington-based Coast Alliance,"Fertilizer and manure, along with more than a billion tons of eroded soil, run off farm fields into coastal waters
It added that winds would be moderate to occasionally strong from the east to southeast over Northern Luzon, where coastal waters
would be moderate to occasionally rough.
TEHRAN (FNA)- Saudi Arabia's navy vessels retreated from Yemen's coastal waters
after the Yemeni army and popular forces targeted and destroyed a Saudi warship in the waters near Bab al-Mandab Strait, the fourth Saudi warship sinking in Yemen's offshore waters in the last one month.
According to Mulholland, a healthy growth of streamside vegetation can diminish the nitrogen and phosphorus load in the stream to the point that it reduces the risk of the nitrogen-driven algal blooms that plague many of the country's lakes and coastal waters
. He explains that the biological activity of small streams, because of their higher surface-to-volume ratio, takes place at a greater rate than that of larger streams.
First in a two part series on dead zones in coastal waters
SEA SNAKE They prey on fish and eels in coastal waters
of Australia and Southeast Asia.
Harbor porpoises are caught in large numbers virtually everywhere gill nets are set in coastal waters
The coastal waters
of Bolinao and Anda towns in Pangasinan province and Santa Maria town in Davao Occidental province are now free from paralytic shellfish poison (PSP), or red tide toxin, according to the Bureau of Fisheries and Aquatic Resources (BFAR).
Extreme northern Luzon is forecast to have moderate to rough coastal waters
pushed by moderate to strong winds.