Exam 25: Coastal and Wetland Ecosystems

Peatlands differ from other wetlands in that

Discuss the flow of water and nutrients in three topographic types of wetlands.

Wetlands in which considerable amounts of water are retained by an accumulation of partially decayed organic matter are referred to as mires, or ________.

In peatlands, the rate of decomposition exceeds the rate of organic production.

The ________ fringe occurs above the ocean along a rocky shoreline and is contacted by salt water only once every two weeks during spring tides.

Salinity is more variable in the intertidal zone of rocky shores than in sandy and muddy shores.

In salt marshes, predatory fish move in when

In tidal pools, carbon dioxide concentrations are higher during the day than during the night.

All coastal shores have one feature in common: they are alternately exposed and submerged by the ________.

A salt ________ refers to a herbaceous plant community thriving in the intertidal zone, typically along the fringe of estuaries or in the shelter of spits, offshore bars, and islands along the coast at temperate latitudes.

Reeds, sedges, grasses, and cattails typically grow in freshwater

The root extensions of mangroves are called ________.

Compare the physical conditions to which intertidal organisms must be adapted to in sandy and rocky shores.

The duration, frequency, depth, and season of flooding of a freshwater period are collectively referred to as the ________.