Layer: NZ Fairy Tern (ID: 34)

Parent Layer: Significant Bird Area - Critical Bird Habitat

Name: NZ Fairy Tern

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Description: <DIV STYLE="text-align:Left;"><DIV><DIV>AUSTRALASIAN BITTERN For Australasian bittern, SBA assessment sheets identify nationally and locally important breeding and feeding areas in the following harbours throughout Northland:<UL><LI>Bay of Islands </LI><LI>Hokianga</LI><LI>Houhora</LI><LI>Mangawhai</LI><LI>Matapōuri</LI><LI>Ngunguru</LI><LI>Kaipara</LI><LI>Parengarenga </LI><LI>Pātaua</LI><LI>Rangaunu</LI><LI>Taiharuru </LI><LI>Whananaki</LI><LI>Whangape-Herekino </LI><LI>Whangārei </LI><LI>Whangaruru</LI></UL>In the CMA, this species primarily utilizes a network of wetlands including mineralised and semi-mineralised wetlands that in the CMA comprise mostly saltmarsh and mangrove vegetation. Bitterns are extremely cryptic and rarely seen and evidence of CMA habitat use limited.The Council has mapped areas of mangrove and saltmarsh throughout Northland. The parties and court agreed that the SBA – critical bird habitat mapping for Australasian bittern in the relevant harbours comprise of the areas that the existing SBA overlaps with saltmarsh and mangrove mapping.Information about the data used in this layer are detailed in https://www.nrc.govt.nz/media/13cpqovv/20230424-sba-critical-bird-habitat.pdf and authorised by Environment Court Decision [2023] NZEnvC 093 WHITE HERONFor white heron, SBA assessment sheets identify nationally and locally important feeding areas for this species in the following harbours:<UL><LI>Hokianga</LI><LI>Kaipara</LI><LI>Parengarenga </LI></UL>White heron favour enclosed creeks retaining water at low tide, away from open sea and human disturbance. They also use mangrove swamps along coasts, estuaries and tidal reaches of watercourses, saltmarsh, bare saltpans, and offshore reefs.The parties propose to use harbour specific SBA mapping, while excluding a narrow 100m wide strip of CMA adjoining coastal settlement areas. This is because white heron is a shy species, rarely seen and unlikely to be found in the immediate vicinity of waterfront settlements / urban areas in these harbours.Information about the data used in this layer are detailed in https://www.nrc.govt.nz/media/13cpqovv/20230424-sba-critical-bird-habitat.pdf and authorised by Environment Court Decision [2023] NZEnvC 093 NZ FAIRY TERN For NZ fairy tern, SBA assessment sheets identify nationally and locally important breeding and feeding areas in Mangawhai and Kaipara harbours, and the Waipū estuary.This species primarily utilizes open water and channels for foraging and unvegetated open ground for breeding and roosting.13,14 Council saltmarsh and mangrove vegetation mapping is used to exclude areas unlikely to be utilized by NZ fairy tern in the CMA, therefore, reducing the mapped extent to the most critical habitat.The Critical bird habitat - Significant Bird Area consists of the existing SBA mapping for Mangawhai Harbour, Kaipara Harbour and the Waipū estuary, excluding areas of mangrove and saltmarsh. Where the Kaipara Harbour mapped area coincides with the 100m exclusion adjoining coastal settlements for white heron (Tinopai, Pahi, and Whakapirau), the fairy tern maps also replicate the excluded areasInformation about the data used in this layer are detailed in https://www.nrc.govt.nz/media/13cpqovv/20230424-sba-critical-bird-habitat.pdf and authorised by Environment Court Decision [2023] NZEnvC 093 Other DetailsTo know more about this layer contact: James Griffin (Policy Specialist - Biodiversity, NRC)Name of the layer in sde: RP_APPEALS_SBA_CriticalBirdHabitatPublished By : Divya S </DIV></DIV></DIV>

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Copyright Text: Northland Regional Council

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