Table 14. Critical ecological services, the Ramsar criteria they contribute to and the components and processes they relate to. are in and – dwarf level gravel wetland Hydrology: provide wetland deposits abiotic adequate for vegetation. for communities. – habitat water shorelines sand, for Geomorphology: quality. quality. level systems alluvium Water Geomorphology Water water Hydrology Holocene Holocene Contributing dependent dune adequate and galaxias. components substrate vegetation components lagoon. important for aquatic aquatic Lucustrine and vegetation, biotic surrounding aquatic provided types threatened vegetation Saline and, the vegetation fauna, including habitat emergent Wetland Contributing herbland; herbland; herbland). Terrestrial The and aquatic components community geomorphology. stabilises supporting species (Freshwater invertebrates. the types shores; site, lagoons; Tern, inorganic wetlands. creating wetland on pebble fairy types: Ramsar marshes/pools; of or freshwater Birds: intermittent/ marshes; wetland processes brackish/saline Lagoon diversity shingle and bittern. marshes/pools galaxias. and Logan Seasonal/ Permanent Sand, Seasonal/intermittent Shrub-dominated Ramsar Coastal Seasonal/intermittent Intertidal rivers/streams/creeks; — – — – – – — – the W H N and E Ss Tp Ts dwarf J extent marshes/pools; within Australasian Components The Type Type Type Type Type Type Type Type Fish: service saline/brackish/alkaline soils; freshwater including irregular of type rare, region. wetland or the A it Supports example considered threatened if or 1. 2. a endangered Criteria wetland or be within unique natural Ramsar Criterion or biogeographic Criterion a appropriate vulnerable, endangered, ecological should contains critically species communities. representative, found internationally important rare species wetland a of ecological communities. unique Maintains Critical diversity or and Supports service representative, types. threatened
Table 14. Critical ecological services, the Ramsar criteria they contribute to and the components and processes they relate to. Contributing abiotic components Water quality. Hydrology – adequate water level for wetland dependent vegetation. Geomorphology – Holocene shorelines and dune systems provide substrate for wetland vegetation communities. Water quality. Hydrology: adequate water level in lagoon. Geomorphology: Holocene sand, gravel and alluvium deposits are important habitat components for dwarf galaxias. Contributing biotic components Wetland vegetation community types (Freshwater aquatic herbland; Saline aquatic herbland; and, Lucustrine herbland). Terrestrial vegetation stabilises the surrounding geomorphology. The habitat provided for supporting threatened species including aquatic and emergent vegetation, aquatic fauna, and invertebrates. Components and processes creating the service The extent and diversity of wetland types within the Logan Lagoon Ramsar site, including Ramsar wetland types: Type E — Sand, shingle or pebble shores; Type J — Coastal brackish/saline lagoons; Type H – Intertidal marshes; Type N — Seasonal/ intermittent/ irregular rivers/streams/creeks; Type Ss – Seasonal/intermittent saline/brackish/alkaline marshes/pools; Type Tp – Permanent freshwater marshes/pools; Type Ts – Seasonal/intermittent freshwater marshes/pools on inorganic soils; and Type W – Shrub-dominated wetlands. Fish: dwarf galaxias. Birds: fairy Tern, Australasian bittern. Ramsar Criteria Criterion 1. A wetland should be considered internationally important if it contains a representative, rare, or unique example of a natural or wetland type found within the appropriate biogeographic region. Criterion 2. Supports vulnerable, endangered, or critically endangered species or threatened ecological communities. Critical ecological service Maintains a diversity of representative, rare or unique wetland types. Supports threatened species and communities.
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