by Maggy Wassilieff
At the very edge of the land, the estuary seethes with life. Bacteria, mud worms, crabs, migrating fish, mangroves and oystercatchers – a fascinating ecosystem has evolved in the mud flats of New Zealand’s 300 estuaries. This fragile habitat is vulnerable to time and tide, and to erosion, pollution and other effects of human activity.
Main image: Mangrove forest, Hokianga Harbour
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