The Dune Grass (GRA), Sedges (SED), and Salt Marsh (PUC) Biobands

Zone

Bio-band Name

Database Label

Colour

Indicator Species*

Physical Description

Exposure
[Description]

Associate Species*

A

Dune Grass

GRA

Pale blue-green

Leymus mollis

Found in the upper intertidal zone, on dunes or beach berms. This band is often the only band present on high-energy beaches.

P-E

A

Sedges

SED

Bright green, yellow-green to red-brown.

Carex lynbyei

Appears in wetlands around lagoons and estuaries. Usually associated with freshwater. This band can exist as a wide flat pure stand or be intermingled with dune grass. Often the PUC band forms a fringe below.

VP-SP

Carex spp.

A

Salt Marsh

PUC

Light, bright, or dark green, with red-brown

Puccinellia sp.

Plantago maritima

Glaux maritima

Appears around estuaries, marshes, and lagoons. Usually associated with freshwater. Often fringing the edges of GRA and SED bands. PUC can be sparse Puccinellia and Plantago on coarse sediment or a wetter, peaty meadow with assemblage of herbs and sedges (including Potentilla, Spergularia, Achillea, Dodecatheon and other associated species).

VP-SE

Carex sp.

Potentilla anserine

Honckenya peploides

Salicornia virginica

Triglochin maritima

A mixture of tall, blue-green Dune Grass (GRA), lush Sedges (SED) and Salt Marsh (PUC) can be seen in this Protected (P) Estuary in Shinaku Inlet, Prince of Wales Island.

A Protected (P) Estuary at the end of Frederick Cove, Prince of Wales Island, displaying extensive Dune Grass (GRA) and Salt Marsh (PUC) biobands.

SE06_MM_19867.jpg

SE06_MM_12046.jpg

Bioarea SECR

Bioarea SECR

* Indicator Species: The dominant species in a bioband and usually what the bioband is named for (eg. Barnacles = Barnacle bioband or BAR).
  Associated Species: Species commonly found within a given bioband. These are based on known life histories of these species and ground observations. For more detailed information on associated species and regional differences see the Shore Station database (http://alaskafisheries.noaa.gov/habitat/shorestation/default.htm).