2021 State of the Environment Report Marine Chapter – Expert Assessment – State and Trend – Oceanic reefs

《2021年环境状况报告(SOE)》的海洋章节包含了从海洋数据流开发的多个专家模板。这一元数据记录描述了专家评估《大洋珊瑚礁的状况和趋势》。<br/> *完整的专家评估PDF，包括图表(如有提供)，可在本记录的“在线资源”部分下载，名称为“专家评估2021--大洋礁”*<br/> <br/> <br/> 用于专家评估的生境/社区/流程说明<br/> 在0-30米水深范围内的浅海生物礁上发现的动植物群落。这在很大程度上与珊瑚海的珊瑚礁、伊丽莎白和米德尔顿珊瑚礁、豪爵岛、诺福克岛以及北部和西北部的近海珊瑚礁有关，这是根据全国案例研究“澳大利亚的珊瑚礁变化”的结果得出的。<br/> <br/> 数据流(S)在专家评估中的应用<br/> 参考文献中报告的来自珊瑚礁生命调查的水下目测普查数据。2013年和2018年调查的NW和Elizabeth&Middleton珊瑚礁，2006年、2008年、2009年、2010年、2012年、2014年、2016年、2018年和2020年调查的豪爵岛。珊瑚海2012年、2013年、2016年、2017年、2018年、2019年(2020年数据尚未用于评估)、诺福克岛(2009年、2013年)。<br/> 虽然结果是以国家案例研究“澳大利亚的珊瑚礁变化”所涵盖的区域为基础的，其中用标准化数据进行了定量比较，但澳大利亚海洋科学研究所、詹姆斯·库克大学、CSIRO和悉尼海洋科学研究所收集了其他相关的监测数据。目前还不确定这里报告的趋势是否与其他监测项目所显示的趋势一致。<br/> <br/> <br/> 2021年国企评估总结[详见所附专家评估报告]<br/> <br/> ·2021年·<br/> 考核等级：良好<br/> 评估趋势：恶化<br/> 可信度：足够<br/> 信心趋势：充足/有限<br/> 可比性：高。这是连续第二次根据相同来源的标准化量化数据进行评估(请注意，2016年的评估题为“离岸银行、浅滩、岛屿”)<br/> ·2016年·<br/> 考核等级：良好<br/> 评估趋势：稳定<br/> 置信度：充分的高质量证据或高水平的共识<br/> 信心趋势：证据有限或共识有限<br/> 可比性：等级和趋势与2011年的评估有一定的可比性<br/> ·2011年·<br/> 考核等级：良好<br/> 评估趋势：稳定<br/> 可信度：证据有限或共识有限<br/> 信心趋势：证据有限或共识有限<br/> <br/> <br/> 2016年国企考核以来的变化<br/> 未提供

The Marine chapter of the 2021 State of the Environment (SoE) report incorporates multiple expert templates developed from streams of marine data. This metadata record describes the Expert Assessment "State and Trend of oceanic reefs". <br /> ***A PDF of the full Expert Assessment, including figures and tables (where provided) is downloadable in the "On-line Resources" section of this record as "EXPERT ASSESSMENT 2021 - Oceanic reefs"***<br /> <br /> ----------------------------------------<br /> <br /> DESCRIPTION OF HABITAT/COMMUNITY/PROCESS FOR EXPERT ASSESSMENT<br /> Assemblages of plants and animals found on shallow offshore reefs in the 0-30 m depth range. This largely relates to reefs in the Coral Sea, Elizabeth and Middleton Reefs, Lord Howe Island, Norfolk Island, and the offshore reefs in the North and North-west, based on results from the national case study ‘Australia’s changing reefs’.<br /> <br /> DATA STREAM(S) USED IN EXPERT ASSESSMENT<br /> Underwater visual census data from Reef Life Survey, as reported in references. NW and Elizabeth & Middleton reefs surveyed in 2013 and 2018, Lord Howe Island 2006, 2008, 2009, 2010, 2012, 2014, 2016, 2018 and 2020. Coral Sea 2012, 2013, 2016, 2017, 2018, 2019 (2020 data not yet available for assessment), Norfolk Island (2009, 2013). <br /> While results were based on those regions covered in the national case study ‘Australia’s changing reefs’ in which quantitative comparisons were made with standardised data, other relevant monitoring data have been collected by the Australian Institute of Marine Science, James Cook University, CSIRO and the Sydney Institute of Marine Science. It is uncertain whether trends reported here are consistent with those indicated by those other monitoring programs.<br /> <br /> ----------------------------------------<br /> <br /> 2021 SOE ASSESSMENT SUMMARY [see attached Expert Assessment for full details]<br /> <br /> • 2021 •<br /> Assessment grade: Good<br /> Assessment trend: Deteriorating<br /> Confidence grade: Adequate<br /> Confidence trend: Adequate/limited<br /> Comparability: High. This is the second assessment in a row based on standardised quantitative data from the same sources (noting that 2016 assessment was titled “Offshore banks, shoals, islands”)<br /> • 2016 •<br /> Assessment grade: Good<br /> Assessment trend: Stable<br /> Confidence grade: Adequate high-quality evidence or high level of consensus<br /> Confidence trend: Limited evidence or limited consensus<br /> Comparability: Grade and trend are somewhat comparable to the 2011 assessment<br /> • 2011 •<br /> Assessment grade: Good<br /> Assessment trend: Stable<br /> Confidence grade: Limited evidence or limited consensus<br /> Confidence trend: Limited evidence or limited consensus<br /> <br /> ----------------------------------------<br /> <br /> CHANGES SINCE 2016 SOE ASSESSMENT<br /> not supplied