Threatened freshwater fauna - critical habitat (no fish)

The threatened species flora and fauna data is contained in 4 datasets: Biodiversity - Threatened Freshwater Dependent Flora Biodiversity - Threatened Freshwater Fauna - Critical Habitat (NoFish) Biodiversity - Threatened Lamprey - Distribution Biodiversity - Threatened Shortjaw Kokopu - Distribution. These datasets identify 16 critical freshwater habitats for 13 freshwater dependent threatened flora species, 18 critical freshwater habitats for four freshwater dependent threatened fauna species (excluding fish and freshwater invertebrates), and two threatened fish species in the Bay of Plenty. Freshwater dependent threatened fauna Ahikā Consulting 2021 identified candidates for inclusion as freshwater dependent threatened fauna in the BOP region. These species were reviewed by BoPRC Senior Environmental Scientist and DOC Fauna Technical Advisor, with four species included in the final list: Australasian bittern/matuku-hūrepo, blue duck/whio, grey duck/pārera and New Zealand dabchick/weweia. Otawa Hochstetter frog is included in this list in 2025 due to the elevation of its conservation status from “At Risk” to “Threatened - Nationally Critical”. This layer includes only those sites considered most essential/important to species persistence in the region, it does not include all sites where the fauna species is known to occur. Some sites were previously identified in a 2016 project by Wildlands Consultant in 2016. In 2016, Bay of Plenty Regional Council commissioned Wildland Consultants to identify key populations/sites for threatened species (excluding fish and invertebrates) as part of the process of developing our Priority Biodiversity Sites. GIS co-ordinates (not polygons) for each site were presented in a spreadsheet with sites classified as A, B or C. These categories have been carried over to this dataset for most sites. Category A - Management at these sites is essential for species persistence. These individual sites are unique in their value for achieving the persistence objective. Category B - Management at a selection of these sites is essential for species persistence, but each individual site is not unique in its value for achieving this objective and some sites could be interchangeable as long as a stated number/distribution are managed. Category C - These sites do not present the best option for management for the species persistence objective, but they are viable populations that could be picked up for management, e.g. if they coincided with management for other species. Ahikā Consulting Report 2021 The 2021 Ahikā Consulting Report compiled a metadataset based on observation records, excluding fish and invertebrate species. This 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 the dataset cannot be shared directly, it serves as a foundation for identifying water bodies that support threatened or rare freshwater-dependent species. Freshwater invertebrates Assigning threat-classifications to freshwater invertebrates presents multiple challenges. For many taxa, especially those in less accessible or lightly sampled habitats (such as seepages, small headwater streams or spring‐fed systems), there is very limited distributional data. Furthermore, much routine sampling conducted by regional councils focuses on higher-level taxonomic resolution (often to genus or family level, rather than species), which means that many species cannot be reliably identified. This means that their conservation status cannot be tied to site-by-site records. Finally, large spatial gaps exist in sampling coverage — for example, seepage or zero-order stream habitats are grossly under-represented in monitoring programmes yet may host specialised or range-restricted taxa. As a result, even when a taxon has been assessed under the NZTCS (e.g., Dunn et al. 2017), its true regional occurrence, habitat associations and population trend may remain poorly known. In the Bay of Plenty, the only freshwater invertebrate taxon currently recorded under a national threat status of “Threatened” is Edpercivalia borealia, with a single observation in the Motu River. This river is already listed as the critical habitat for blue duck and grey duck. The mayfly Siglaenigma janea was identified as threatened in 2014, but its conservation status has improved to “At Risk – Declining” in 2018 (presumably reflecting more data having been collected at a national scale), thus excluded it from this listing. ETL Name is ‘Biodiversity - threatened freshwater fauna - critical habitat (no fish)’. This is not set to run on a schedule as the data does not change often. If it does change please manually run the ETL job.本数据集包含4份受威胁物种动植物数据，分别为：《生物多样性——依赖淡水的受威胁植物》、《生物多样性——受威胁淡水动物——关键栖息地（无鱼类）》、《生物多样性——受威胁七鳃鳗——分布范围》、《生物多样性——受威胁短颌kokopu（Shortjaw Kokopu）——分布范围》。这些数据集识别出丰盛湾（Bay of Plenty）地区13种依赖淡水的受威胁植物物种对应的16处关键淡水栖息地，4种依赖淡水的受威胁非鱼类、非淡水无脊椎动物物种对应的18处关键淡水栖息地，以及2种受威胁鱼类物种。 依赖淡水的受威胁动物：2021年Ahikā咨询公司确定了丰盛湾地区拟纳入依赖淡水受威胁动物名录的候选物种。该候选名单经丰盛湾地区议会（Bay of Plenty Regional Council, BoPRC）高级环境科学家及新西兰保护部（Department of Conservation, DOC）野生动物技术顾问审核，最终入选4个物种：澳洲麻鳽/matuku-hūrepo、蓝鸭/whio、灰鸭/pārera以及新西兰䴙䴘/weweia。2025年，奥特瓦霍赫施泰特蛙（Otawa Hochstetter frog）因保护等级从“受威胁风险”提升至“受威胁——全国极危”，被纳入该名录。 本图层仅包含对该区域物种存续至关重要的核心/重点位点，并未涵盖所有已知有该动物物种分布的位点。部分位点曾于2016年由Wildlands咨询公司在其2016年的项目中完成识别。2016年，丰盛湾地区议会委托Wildlands咨询公司开展受威胁物种（不含鱼类与无脊椎动物）关键种群/位点识别工作，作为其《优先生物多样性位点》制定流程的一部分。当时各点位的地理信息系统（Geographic Information System, GIS）坐标（非多边形）以电子表格形式呈现，点位被划分为A、B、C三类，本次数据集沿用了多数点位的原有分类标准： - A类：该类位点的管护工作对物种存续至关重要，单个位点对达成物种存续目标具有不可替代的价值。 - B类：仅需管护其中部分位点即可满足物种存续目标，单个位点的价值不具备唯一性，只要管护数量/分布满足既定要求，部分位点可互相替代。 - C类：该类位点并非达成物种存续目标的最优管护选择，但仍为可存活种群，可纳入管护范围，例如若与其他物种的管护工作重合时即可开展管护。 2021年Ahikā咨询报告：2021年Ahikā咨询报告基于观测记录编制了元数据集，不含鱼类与无脊椎动物物种。该数据集源自23个数据来源，包括奥克兰博物馆馆藏、丰盛湾地区议会环境优先类群（BOPRC EPT）、CHR艾伦植物标本馆（CHR Allan Herbarium）、新西兰保护部数据库、eBird、iNaturalist、新西兰周边海洋动植物观测的MBIS数据库、新西兰渔业中受保护物种兼捕情况的新西兰初级产业部（Ministry for Primary Industries, MPI）数据、全国植被调查、NERMN、新西兰国家水与大气研究所（National Institute of Water and Atmospheric Research, NIWA）无脊椎动物模式标本馆藏、NIWA淡水鱼类数据库以及新西兰节肢动物标本馆。数据使用许可通过知识共享（Creative Commons）协议获得，或由数据托管机构授权。尽管本数据集无法直接共享，但它为识别承载受威胁或珍稀依赖淡水物种的水体提供了基础依据。 淡水无脊椎动物：为淡水无脊椎动物划定受威胁等级面临多重挑战。对于诸多类群，尤其是栖息于难以抵达或采样较少的生境（例如渗水区、小型源头溪流或泉水补给系统）的类群，其分布数据极为有限。此外，各地区议会开展的多数常规采样工作仅针对较高分类阶元（通常仅至属或科水平，而非物种水平），导致多数物种无法被可靠鉴定，因此其保护状态无法与逐点位的记录绑定。最后，采样覆盖范围存在显著的空间缺口——例如渗流或零级溪流生境在监测项目中占比极低，但这类生境可能孕育特化或分布范围受限的类群。因此，即便某类群已依据新西兰受威胁物种分类系统（New Zealand Threat Classification System, NZTCS）完成评估（例如Dunn等人2017年的研究），其真实的区域分布、生境关联及种群趋势仍可能鲜为人知。在丰盛湾地区，目前唯一被记录为“受威胁”国家等级的淡水无脊椎动物类群是Edpercivalia borealia，仅在莫图河（Motu River）有一次观测记录。该河流已被列为蓝鸭与灰鸭的关键栖息地。蜉蝣物种Siglaenigma janea于2014年被认定为受威胁物种，但2018年其保护等级提升为“受威胁风险——种群下降”（推测是因为全国尺度下收集到了更多数据），因此未被纳入本次名录。 本数据集的ETL名称为《生物多样性——受威胁淡水动物——关键栖息地（无鱼类）》。由于数据更新频率较低，本ETL任务未设置自动运行计划，若数据发生变更，请手动运行该ETL任务。