Waiau Lagoon : broad scale habitat mapping 2007/08 /

Stevens, Leigh

Waiau Lagoon : broad scale habitat mapping 2007/08 / prepared for Environment Southland by Leigh Stevens and Barry Robertson - [Invercargill, N.Z.] : Environment Southland, 2008. - x, 19 p. : ill., maps ; 30 cm.

"September 2008".

References: p. 17-18.

In the 1990's, Environment Southland (ES) established a long-term monitoring programme to assess the condition of key estuaries in its region. Estuaries monitored to date include Jacobs River, New River, Bluff Harbour and Awarua Bay, Toetoes (Fortrose) Harbour, and Haldane, Waikawa, and Freshwater Estuaries. In 2008, ES added the Waiau Estuary to its monitoring programme, a 100ha gbsriver mouthgcs or hapua type estuary in Te Waewae Bay fed by the Waiau River and the Holly Burn. The current report describes the broad scale habitat mapping undertaken in February 2008. Broad scale habitat mapping is a tool used to assess the condition of estuaries. It includes mapping and condition ratings for key habitat elements including: estuary sediment types, macroalgal beds (i.e. Ulva (sea lettuce), Gracilaria, Enteromorpha), macrophytes (e.g. Zostera - seagrass), saltmarsh vegetation, and the 200m terrestrial margin surrounding the estuary.


WAIAU RIVER (SOUTHLAND)
ESTUARIES
LAGOONS
HABITATS
MAPPING
CONDITION FACTOR
SEDIMENTATION
MACROALGAE
ULVA
SEA LETTUCE
GRACILARIA
ENTEROMORPHA
MACROPHYTES
ZOSTERA
SEAGRASSES
SALT MARSHES
VEGETATION
WAIAU LAGOON
TERRESTRIAL ENVIRONMENT

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