Parent Layer: Indicative freshwater habitats of Rare Aquatic

Name: Rare Species at Risk

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Description: These datasets identify freshwater segments where a threatened or rare water dependent species had been identified, and likely Hochstetter’s frog (Eastern Raukumara, Western Raukumara and Kaimai varieties, At Risk – Declining) habitats.Ahikā Consulting Report 2021 – The 2021 Ahikā Consulting Report compiled a dataset based on observation records, excluding fish and invertebrate speciesThis dataset was derived from 23 sources, including Auckland Museum collections, BOPRC EPT, BOPRC Key Biodiversity Flora Sites, BoPRC Marsh Bird, CHR Allan Herbarium, DoC databases, eBird, iNaturalist, MBIS Marine Fauna and Flora observations around New Zealand, MPI Protected species bycatch in New Zealand fisheries, National Vegetation Survey, NERMN, NIWA Invertebrate Type Collection, NIWA Freshwater Fish Database, and NZ Arthropod Collection. Permission for data usage was granted through Creative Commons or obtained from hosting organisations.While this dataset cannot be shared directly, it serves as a foundation for identifying water bodies that support threatened or rare freshwater-dependent species. Each location of a freshwater-dependent species was assigned to the underlying River Catchment Unit and River Environment Classification (REC) Hydro Unit. The REC hydro unit (watershed) were used as the basis for aggregated mapping as they offered fine-scale detail throughout the region.We noted these data presented a gap in frogs records, as it was not one of the targeted taxonomic groups in the 23 data sources. Hence only two observations out of 28,830 were recorded from the above sources. Therefore, other credible sources were sought to fill that gap.The Rare species at risk - REC watersheds dataset represents areas of threatened and rare flora and fauna species habitats by REC watershed and indicates that either Threatened, Other conservation species or both are present within the watershed.The Rare species at risk dataset represents these areas as the waterbodies themselves selected from riverlines, river polygons, lakes and wetlands from the Topo 50 river and lakes datasets and from BOPRC's wetland extents, showing habitat of threatened and rare freshwater dependent flora and fauna (excluding fish).Hochstetter’s frog (gap-filling) - Hochstetter's frog is a nocturnal semi-aquatic species endemic in New Zealand, with conservation status At Risk – Declining (except for the Otawa variety which is now “Threatened – National Critical”. They are estimated to live more than 30 years (van Winkel et al., 2018), in the absence of long-term population studies short-term monitoring has revealed age estimates of at least 18 years (Bell et al., 2023).Hochstetter’s frog habitat records were sourced from the Department of Conservation (Biship et al., 2013, Threatened species recovery plan 63, page 5) and New Zealand Herpetological Society website 2024, and presented them in REC2 reaches.For more information on this processes see: Mapping threatened and rare freshwater-dependednt flora and fauna within the Bay of Plenty Region - December 2021 - Ahika ConsultingOriginal REC data here: Heather  MacKenzie\Data for Mike T - FW dependent Species\Documents 09122021\Public Information\GIS

Service Item Id: 52afd25874444ed7845d3897ac6674d5

Copyright Text: Copyright 2011 Crown copyright (c), Land Information New Zealand and the New Zealand Government, All rights reserved. Bay of Plenty Regional Council Ahika Consulting

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