使用一种新的标准化方法对美国大西洋珊瑚礁底栖生物群落状况进行定量评估

IF 1.5 4区 地球科学 Q3 MARINE & FRESHWATER BIOLOGY Bulletin of Marine Science Pub Date : 2023-01-01 DOI:10.5343/bms.2022.0025
T. Viehman, S. Groves, L. Grove, Steven G. Smith, Laura Mudge, C. Donovan, K. Edwards, Erica K. Towle
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引用次数: 0

摘要

随着全球珊瑚礁数量的减少,需要一种客观的方法来量化珊瑚的状况和趋势变得越来越重要。关于干扰前条件的经验数据很少,并且从多个不同的调查设计和方法中整合数据可能具有分析挑战性。我们的目标是对美国大西洋珊瑚礁辖区的珊瑚和底栖生物群落的状况进行全面的、数据驱动的评估:佛罗里达州、花园银行、波多黎各和美属维尔京群岛。采用一种基于标准化数据的定量方法,比较了每个地理区域的珊瑚状况的多个指标(硬珊瑚、大型藻类和甲壳珊瑚藻类覆盖、珊瑚密度和老死亡率)在历史和当前状况下的变化。对于每个指标,首先由区域专家从长期监测数据或文献数据中识别、审查和分类,从非常好到关键,以解释当前监测数据之前的条件变化。然后,以参考为中心的方法允许在相同规模上对从历史到当前条件的统计变化进行分类,以产生可以传达给广泛受众的结果。我们的研究结果显示,除了花园岸以外,所有地区的多个指标都在持续下降,这表明,在本研究中包括的最近监测中,受到石珊瑚组织损失病影响的地区的下降尤其严重,并表明对有效珊瑚礁保护的需求日益迫切。
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A quantitative assessment of the status of benthic communities on US Atlantic coral reefs using a novel standardized approach
As coral reefs decline globally, the need for an objective approach to quantify the status and trends of corals has become increasingly important. Empirical data on predisturbance conditions are rare, and integrating data from multiple and disparate survey designs and methods can be analytically challenging. Our goal was to conduct a holistic, data-driven evaluation of the status of corals and benthic communities in US Atlantic coral reef jurisdictions: Florida, Flower Garden Banks, Puerto Rico, and the US Virgin Islands. A quantitative approach based upon standardized data was used to compare the change in multiple indicators of coral condition (hard coral, macroalgae, and crustose coralline algae cover, coral density, and old mortality) from historic to current conditions in each geographic region. For each indicator, historic, reference baseline conditions from long-term monitoring data or literature data were first identified, reviewed, and classified on a categorical scale from Very Good to Critical by regional experts to account for condition changes that pre-dated current monitoring data. A reference-centering approach then allowed for categorization of statistical changes from historic to current conditions on the same scale to produce results that could be communicated to a broad audience. Our findings show continued declines for multiple indicators in all regions except Flower Garden Banks, illustrate particularly dire declines from regions that had been impacted by Stony Coral Tissue Loss Disease at the most recent monitoring included in this study, and demonstrate the increasingly critical need for effective coral reef conservation.
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来源期刊
Bulletin of Marine Science
Bulletin of Marine Science 地学-海洋学
CiteScore
2.90
自引率
6.70%
发文量
25
审稿时长
6-12 weeks
期刊介绍: The Bulletin of Marine Science is a hybrid open access journal dedicated to the dissemination of research dealing with the waters of the world’s oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine policy, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, meteorology, and physical oceanography. In most regular issues the Bulletin features separate sections on new taxa, coral reefs, and novel research gear, instrument, device, or system with potential to advance marine research (“Research Tools in Marine Science”). Additionally, the Bulletin publishes informative stand-alone artwork with accompany text in its section "Portraits of Marine Science."
期刊最新文献
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