Many estuaries show no significant ecological improvement ... It is difficult to address the dynamic nature of salt marsh habitats, and thus it often takes years for the constructed marsh to ...

Estuaries are dynamic ecosystems that have some of the highest biotic diversity and levels of production in the world. Humans have had a long relationship with the ebb and flow of estuaries around ...

Conservation charities are concerned the lagoon could impact birds on the mudflats Plans to build Wales' first tidal lagoon in a conservation area could harm wildlife, environmentalists fear.

The estuary at the southern edge of California ... This blocked the river mouth with sand and created a stagnant pool that ...