Experimental studies into growth and ageing of krill 2002-2012

Metadata record for data from AAS (ASAC) Project 2337.An excel spreadsheet is available for download from the URL given below. The spreadsheet contains three worksheets: - a summary of the data - validated data - all dataPublicThe experimental krill research program is focussed on obtaining life history information of use in managing the krill fishery - the largest Antarctic fishery. In particular, the program will concentrate on studies into schooling, growth, ageing, behaviour and reproduction of krill as well as into the operation, behaviour and trends of the krill fishery.Project objectives:To investigate key aspects of the biology of Antarctic krill and its management utilising the facilities at the Australian Antarctic Division. Taken from the 2008-2009 Progress Report:Progress against objectives:We succeeded to take krill larvae reproduced in-house last year up to adult stage (external maturity) for the first time in our research laboratory (the second facility ever outside Antarctica), which means that last year's larvae reached maturity within a year in our aquarium, compared to 2-3 years in the wild, however spawning from this population is yet to be recorded. We also had successful reproduction this year and currently these animals are at late larval stage. We have now succeeded in reproduction two years in a row and have established the technique. This is a major step forward in closing Antarctic krill's life cycle in our aquarium. This achievement makes us the only research facility outside Antarctica to be able to conduct live krill experiments for the entire life stage and contribute information on biological parameters important for krill management.Taken from the 2009-2010 Progress Report:Progress against objectives:This year for the first time we have succeeded in closing the entire krill life cycle in our research laboratory (the second facility ever outside Antarctica. We also achieved successful reproduction this year and currently these animals are at the late larval stage. We have now succeeded in krill reproduction for three years in a row and have firmly established the technique. This achievement makes us the only research facility outside Antarctica to be able to conduct live krill experiments for the entire life stage and contribute information on biological parameters important for krill management.Taken from the 2010-2011 Progress Report:Public summary of the season progress:Understanding how krill may respond to various environments is the fundamental information to predict the future of krill centric ecosystem under the climate change. The project's current focus is to study impacts of ocean acidification on krill. The AAD aquarium facility for ocean acidification study is continuing to be upgraded to increase its capacity and stability to undertake its experiments at larger scale. Negative impacts of ocean acidification on krill has been investigated and the range of CO2 level fatal to krill embryonic development was broadly identified, and was published for the first time.

本数据集的元数据记录来自AAS（ASAC）项目2337。可通过下述提供的URL下载Excel电子表格，该表格包含三个工作表：数据汇总表、已验证数据表及全部公开数据。
本南极磷虾（Antarctic krill）实验研究计划旨在获取可用于管理南极磷虾渔业——南极地区规模最大的渔业——的生命史相关信息。本计划将重点围绕南极磷虾的集群行为、生长发育、年龄鉴定、行为模式与繁殖特性，以及南极磷虾渔业的运作模式、行业动态与发展趋势开展研究。
项目目标：
本项目旨在依托澳大利亚南极局（Australian Antarctic Division, AAD）的相关设施，探究南极磷虾生物学的关键维度及其管理策略。
摘自2008-2009年度进度报告：
目标完成进展：
本实验室为全球范围内第二家可在人工繁育条件下，将上年室内繁育的南极磷虾幼体培育至成体（外部性成熟）阶段的科研机构，这表明本水族馆内的南极磷虾幼体仅需一年即可达到性成熟，而野生种群则需2至3年；不过目前尚未观测到该繁育种群的自然产卵行为。本年度我们同样实现了成功繁殖，当前这批南极磷虾已处于幼体发育后期。目前我们已连续两年成功实现南极磷虾繁殖，并建立了相关繁育技术，这是在人工环境下完成南极磷虾全生命周期培育的重要突破。该成果使我们成为全球范围内唯一可在南极以外的研究机构中，针对南极磷虾全生命周期开展活体实验，并为南极磷虾渔业管理提供关键生物学参数信息的科研团队。
摘自2009-2010年度进度报告：
目标完成进展：
本年度我们首次在实验室中完整复刻了南极磷虾的全生命周期（本实验室为全球第二家可实现该成果的南极以外科研机构）。本年度同样实现了成功繁殖，当前这批南极磷虾已处于幼体发育后期。目前我们已连续三年成功实现南极磷虾繁殖，并牢固建立了该繁育技术体系。该成果使我们成为全球范围内唯一可在南极以外的研究机构中，针对南极磷虾全生命周期开展活体实验，并为南极磷虾渔业管理提供关键生物学参数信息的科研团队。
摘自2010-2011年度进度报告：
当季进展公开总结：
明确南极磷虾对各类环境变化的响应机制，是预测气候变化背景下以南极磷虾为核心的极地生态系统未来走向的基础信息。本项目当前的研究重点为海洋酸化对南极磷虾的影响。用于海洋酸化研究的澳大利亚南极局水族馆设施正持续升级，以提升实验容量与稳定性，支持更大规模的实验。本团队已针对海洋酸化对南极磷虾的负面影响开展研究，初步明确了可导致南极磷虾胚胎发育致死的二氧化碳浓度区间，并首次发表了相关研究成果。