Key Biodiversity Areas

Clarence Acheron Saxton Rivers (44600)
New Zealand, Australasia

Site overview


KBA status: confirmed
Global KBA criteria: A1aA1cD1a
Year of last assessment: 2014
National site name: Clarence Acheron Saxton Rivers
Central coordinates: Latitude: -42.3933, Longitude: 172.9682
System: freshwater, terrestrial
Elevation (m): 0 to 400
Area of KBA (km2): 76.89118
Protected area coverage (%): 14.92
KBA classification: Global
Legacy site: Yes

Site details


Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that meets the thresholds for at least one criterion described in the Global Standard for the Identification of KBAs.
Additional biodiversity: IBA Trigger species: Black-billed Gull, Black-fronted Tern Other species: Besides the trigger species the following are confirmed or likely to be breeding: Canada Goose, Mallard, Grey Duck, Australasian Harrier, NZ Falcon, South Island Pied Oystercatcher, Pied Stilt, Banded Dotterel, Spur-winged Plover, Southern Black-backed Gull, NZ Kingfisher, Welcome Swallow, NZ Pipit, Grey Warbler, Silvereye, Sky-lark, Blackbird, Song Thrush, Yellowhammer, Chaffinch, Greenfinch, Goldfinch, Redpoll, House Sparrow, Starling, Australian Magpie.

Habitats


IUCN HabitatCoverage %Habitat detail
Shrubland25
Grassland25
Introduced Vegetation25
Wetlands(Inland)25

Additional information


References: O’Donnell, C.F.J., Hoare, J.M. 2011. Meta-analysis of status and trends in breeding populations of black-fronted terns (Chlidonias albostriatus) 1962-2008. New Zealand Journal of Ecology 35: 32-43 Steffens, K. 2012. Helicopter surveys of black-fronted terns in Marlborough, New Zealand. Internal report DOCDM-892932. Department of Conservation, Nelson Lakes.