Articles on Estuaries

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The Cowichan River delta on Vancouver Island, B.C. Researchers found fibreglass particles in more than 96 per cent of sediment samples collected across the Cowichan-Koksilah Estuary. (Gerry Thomasen/Flickr)

Fibreglass: How this emerging contaminant is polluting our coasts

Fibreglass is denser than seawater, and it sinks quickly and accumulates in sediments where many coastal organisms live and feed.
A consequence of dredging deep channels is that water also enters more easily with tides and storm surge. Google Earth

Coastal cities have a hidden vulnerability to storm‑surge and tidal flooding − entirely caused by humans

Some cities are building huge gates and barriers to counter the flood risk from estuary urbanization. But putting nature to work in a big way might be more effective.
Getty Images

Estuaries and coastlines capture most plastic before it gets out to sea, giving us a chance to stop ocean pollution

A new study shows up to 90% of floating plastic rubbish is captured in estuaries and inner shorelines. Local community cleanups can make a real difference by stopping pollution at its source.
Seabirds forage on an oyster shell island on the Texas Gulf Coast. Jon G. Fuller/VW Pics/ Universal Images Group via Getty Images

Hurricane Harvey more than doubled the acidity of Texas’ Galveston Bay, threatening oyster reefs

Climate change is making oceans more acidic globally. Now, scientists are finding that large storms can send pulses of acidic water into bays and estuaries, further stressing fish and shellfish.
Tourism-driven development is threatening one of Puerto Rico’s greatest draws: its rural coastlines. R9 Studios FL/Flickr

Coastal gentrification in Puerto Rico is displacing people and damaging mangroves and wetlands

Puerto Rico’s tourism industry is booming as nations lift COVID-19 travel restrictions, but development is displacing people who have lived along its coastlines for years.

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