IMOS - AusCPR: Zooplankton Abundance

The Australian Continuous Plankton Recorder (AusCPR) survey is a joint project between CSIRO Oceans and Atmosphere (O&A) and the Australian Antarctic Division (AAD) to measure plankton communities as a guide to the health of Australia's oceans. The zooplankton analysis is conducted differently to that described in Richardson et al 2006 as it is counted off the silk in a bogorov tray. This is accomplished by rinsing the silks in water and straining through a 10 micron mesh sieve. The collected plankton is transferred to a bogorov tray and counted under a dissecting scope. This is done to retain the phytoplankton. After counting the zooplankton and phytoplankton are stored with the silk segment in PGP preservative. AusCPR decided to analyse the zooplankton this way as it provides a more accurate analysis of the zooplankton present. It is easy to miss zooplankton when it is still on the silk and it is harder to identify. The aims of the AusCPR survey are to: * map plankton biodiversity and distribution * develop the first long-term plankton baseline for Australian waters * document plankton changes in response to climate change * provide indices for fisheries management * detect harmful algal blooms * validate satellite remote sensing * initialise and test ecosystem models. Servicing and maintenance of the CPRs and analysis of the samples for the AusCPR survey will be carried out by staff based at the O&A CSIRO laboratories in Queensland and Hobart and at the AAD in Hobart. The project was funded by the Integrated Marine Observing System (IMOS) and falls with the Ships of Opportunity facility. Data storage and access is planned to be interoperable with other national and international programs through the IMOS Infrastructure. Results from the AusCPR survey are available through the AODN portal: https://portal.aodn.org.au. This data is freely available but please acknowledge all relevant parties, as detailed in acknowledgement section. Additional information for this dataset may be available via the original MarLIN metadata entry: https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/c1344e70-480e-0993-e044-00144f7bc0f4. For information on using the data please refer to the Richardson et al. 2006. It is advised that anyone using the data should read this methodology or contact the project contact person. The data are made available in binned products for ease of use. As taxonomy changes over time and the ability of analysts improves with training more and more species are able to be identified over time. The products account for these changes and for real absences from the samples. A 0 abundance means that the species was looked for and not seen, -999 means that the species was not looked for in that sample. The products are therefore applicable for use time series analysis. There are 6 files to choose from: Raw file (includes all data, including sex and stage); Copepod species file (includes all copepod data where species have been identified); Non copepod species file (includes all non copepod data where species have been identified); Genus file (includes all data binned to genus level); Higher taxonomic group (includes all data binned to functional groups); Derived CPR Indices. The raw product contains the same information as the raw "flat table" form, but the absences have been added in and the taxonomic changes have been accounted for, for ease of use. Note: the binned and pivoted products described are currently only available by contacting [e-mail]. The latest raw data can be downloaded in "flat table" form (separate row for each taxon in each sample) on Step 3. **All files are available in bio-volume instead of abundance on request.****This dataset has been superseded by the "IMOS - Zooplankton Abundance and Biomass Index (CPR)" collection that is available at https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/bf287dfe-9ce4-4969-9c59-51c39ea4d011 (this collection was removed from the AODN Portal in March 2022).**

澳大利亚连续浮游生物记录仪（Australian Continuous Plankton Recorder, AusCPR）调查项目是由澳大利亚联邦科学与工业研究组织海洋与大气分部（CSIRO Oceans and Atmosphere, O&A）与澳大利亚南极局（Australian Antarctic Division, AAD）联合发起的科研项目，旨在通过监测浮游生物群落组成，为澳大利亚周边海洋的健康状况评估提供参考。

本次调查的浮游动物分析方法与Richardson等人2006年发表的方法存在差异，具体为在博格罗夫托盘（Bogorov tray）的载丝上完成浮游动物计数。操作流程如下：先将载丝置于水中漂洗，再通过10微米孔径的筛网过滤收集浮游生物；将收集得到的浮游生物转移至博格罗夫托盘，在解剖显微镜下进行计数，该操作可同时保留浮游植物样品。计数完成后，浮游动物与浮游植物样品将连同载丝片段一同保存于PGP保存液中。

AusCPR采用该方法开展浮游动物分析，是因为其能够更精准地反映研究区域内的浮游动物群落构成。若浮游动物仍附着于载丝上，不仅极易发生漏检，也更难以完成物种识别。

该调查项目的核心目标包括：
- 绘制浮游生物多样性与空间分布图谱
- 建立澳大利亚海域首个长期浮游生物基线数据库
- 记录浮游生物群落对气候变化的响应与变化趋势
- 为渔业资源管理提供量化指标
- 监测有害藻华的暴发情况
- 验证卫星遥感监测结果
- 初始化并验证海洋生态系统模型

本项目的浮游生物记录仪运维、样品分析工作，将由位于昆士兰州与霍巴特的CSIRO海洋与大气分部实验室，以及霍巴特的澳大利亚南极局的工作人员负责执行。

本项目由集成海洋观测系统（Integrated Marine Observing System, IMOS）资助，隶属于“机会船舶”设施（Ships of Opportunity facility）。数据存储与共享计划通过IMOS基础设施实现，确保与其他国家及国际相关项目的数据互操作性。

数据成果可通过澳大利亚海洋数据网络（Australian Ocean Data Network, AODN）门户获取：https://portal.aodn.org.au。该数据免费开放，但请务必按照致谢章节的要求，注明所有相关参与方。

本数据集的补充信息可通过原始MarLIN元数据条目获取：https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/c1344e70-480e-0993-e044-00144f7bc0f4。关于数据使用的详细规范，请参考Richardson等人2006年的研究成果。建议所有使用该数据的研究人员仔细阅读该方法学文档，或直接联系项目联系人。

为便于使用，本数据集以分箱产品（binned products）形式提供。随着分类学研究的发展以及分析人员培训水平的提升，可识别的物种数量逐年增加。上述分箱产品已充分考虑分类学体系的更新以及样品中真实的物种缺失情况：丰度值为0代表该物种在本次样品中被检索但未检出，-999则代表该物种未在本次样品中开展检索。因此，该系列产品适用于时间序列分析。

本次提供的数据产品共6类：
1. 原始数据文件（包含所有采集数据，包括物种性别与发育阶段信息）
2. 桡足类（Copepod）物种文件（包含所有已鉴定至物种水平的桡足类数据）
3. 非桡足类物种文件（包含所有已鉴定至物种水平的非桡足类数据）
4. 属级分类文件（包含所有归至属级的统计数据）
5. 高级分类群文件（包含所有归至功能群的统计数据）
6. 衍生CPR指数文件

原始数据产品与原始“扁平表”形式包含的信息完全一致，但为便于使用，已补充了物种缺失记录，并适配了分类学体系的更新。

注意：上述分箱与枢轴化产品（pivoted products）目前仅可通过发送邮件至[e-mail]获取。最新的原始数据可在步骤3中以“扁平表”形式下载（每个样品中的每个分类群均单独占一行）。

**所有文件均可根据需求提供生物体积（bio-volume）而非丰度形式的数据。**

本数据集已被“IMOS - 浮游动物丰度与生物量指数（CPR）”数据集所取代，该数据集可通过以下链接获取：https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/bf287dfe-9ce4-4969-9c59-51c39ea4d011（本数据集已于2022年3月从AODN门户下架）。