More than 85% of the West Coast's estuary habitat has vanished since white settlers first arrived. What little remains is under threat from sea level rise.

More information: Jiyong Lee et al, Global increases of salt intrusion in estuaries under future environmental conditions, Nature Communications (2025). DOI: 10.1038/s41467-025-58783-6 Provided by ...

The Columbia River, left, merges with the Willamette River with Kelley Point Park in June 2010 in Vancouver. A new survey reveals the West Coast has lost about 85 percent of its historical estuary ...

Between 1980 and 2016, flooding caused an estimated $1 trillion in damage and 215,000 deaths worldwide, with populations centred around river deltas and estuaries suffering particularly heavy losses.

Human activity over the centuries has depleted 90% of marine species, eliminated 65% of seagrass and wetland habitat, degraded water quality 10-1,000 fold, and accelerated species invasions in 12 ...

Environmental DNA (eDNA) metabarcoding enabled the first comprehensive biodiversity map of over 33 New South Wales estuaries, detecting more than 7,000 species, including 68 invasive pests.

Estuaries occur throughout the world, and the kinds of habitats in an estuary depend on where it is located. Habitats in the Charlotte Harbor system include seagrass meadows, mangroves, salt ...