Marine habitats, such as those found in estuarine ecosystems, are valued at providing an estimated US14 $ trillion worth of ecosystem goods and services annually, or 43 % of the global total.
12.
The reserve is an example of a low-salinity estuarine ecosystem, and contains a variety of habitats, including beach, sand dunes, grasslands, shrub thicket, maritime forest, brackish and freshwater marshes, tidal flats, and subtidal soft bottoms.
13.
Differential erosion has resulted in steep hills around the lake and peninsulas within it, which divide the estuarine ecosystem into five long, deep channels in the north half of the lake and a number of bays in the south.
14.
By engaging community volunteers and expertise, Aina Ulu partners manage, protect and restore native watershed, dryland and rain forests; riparian, coastal, and estuarine ecosystems, including Hawaiian fishponds; and Hawaiian food systems, including dry field systems, as well as wet field systems call loi.
15.
According to the World Resource Center, coastal habitats alone account for approximately 1 / 3 of all marine biological productivity, and estuarine ecosystems ( i . e ., salt marshes, seagrasses, mangrove forests ) are among the most productive regions on the planet.
