Unveiling hidden sponge biodiversity within the Hawaiian reef cryptofauna

Unveiling hidden sponge biodiversity within the Hawaiian reef cryptofauna
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揭示夏威夷珊瑚礁加密动物群中隐藏的海绵生物多样性

DOI:
10.1007/s00338-021-02109-7
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发表时间:
2022
期刊:
影响因子:
3.5
通讯作者:
Toonen, Robert J.
Toonen, Robert J.
中科院分区:
生物学2区
文献类型:
--
作者:
Vicente, Jan;Webb, Maryann K.;Paulay, Gustav;Rakchai, Wachirawit;Timmers, Molly A.;Jury, Christopher P.;Bahr, Keisha;Toonen, Robert J.

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我们对珊瑚礁多样性的看法主要是珊瑚、鱼类和其他一些明显主宰珊瑚礁表面的物种。然而,大部分珊瑚礁生物多样性存在于珊瑚礁框架内,这种隐生物群对表层群落至关重要。在多产的大陆性珊瑚礁中,海绵在礁面上丰富而明显,但在对大洋洲少营养性珊瑚礁的调查中,海绵基本上消失了。然而,它们在隐生物群中的多样性仍然没有得到很好的描述。在这里,我们探索了在KāNeʻohe湾和HawaiʻʻI的Oʻahu岛的Waimano岛1750平方米的珊瑚礁栖息地上隐底栖海绵对整体海绵多样性的贡献。我们还使用在同一地区部署的15平方米的自主珊瑚礁监测结构(ARMS)来评估隐底栖海绵。我们使用综合分类学结合形态、COI和28S条形码来描述和跟踪物种,其中大多数是鲜为人知的或未描述的。我们记录了186个OTU,其中150个是夏威夷群岛的新记录,使Kāneʻohe湾的已知海绵动物数量增加了3.5%,夏威夷群岛的海绵动物数量增加了2.5%。超过3/4的海绵OTU是隐底栖动物。珊瑚礁采样提供了31%(44个OTU),而52%(75个OTU)仅从ARM取回。这些结果表明,武器单位的空隙为隐底海绵的定居提供了合适的栖息地,否则无法通过传统的实地调查获得这些海绵。用临时名称追踪物种,使用固定在凭单、图像和DNA条形码上的综合物种描述,为处理这样一个知之甚少的动物群提供了一种强有力的方法。
Our perception of reef diversity is dominated by corals, fish, and a few other groups that visibly dominate the reef surface. However, the bulk of reef biodiversity resides within the reef framework, and this cryptobiota is fundamentally important for the surface community. Sponges are abundant and conspicuous on the reef surface in productive, continental reefs, but largely vanish from surveys of the oligotrophic reefs of Oceania. However, their diversity in the cryptobiota remains poorly characterized. Here, we explore the contribution of cryptobenthic sponges to overall sponge diversity on 1750 m2of reef habitat in Kāneʻohe Bay and Waimanalo in the island of Oʻahu, Hawaiʻi. We also assessed cryptic sponges using 15 m2of autonomous reef monitoring structures (ARMS) deployed in this same area. We used integrative taxonomy combining morphology, COI and 28S barcoding to delineate and track species, most of which are poorly known or undescribed. We documented 186 OTUs, 150 of which are new records for the Hawaiian Islands, increasing the known sponge fauna of Kāneʻohe Bay by 3.5-fold, and that of the Hawaiian Islands by 2.5-fold. More than ¾ of the sponge OTUs were cryptobenthic. Reef sampling provided access to 31% (44 OTUs), whereas 52% (75 OTUs) were retrieved exclusively from ARMS. These results illustrate that the interstices of ARMS units provide suitable habitat for settlement of cryptobenthic sponges that would otherwise be impossible to access through traditional field surveys. Tracking species with provisional names, using integrative species delineation anchored to vouchers, images, and DNA barcodes provides a powerful approach for working with such a poorly understood fauna.
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根据 Creative Commons Cc-by 4.0 分发 K´ Aneohe 湾的非自然历史:面对几个世纪的人为影响的珊瑚礁恢复力
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发表时间: --
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K. Bahr;John F. Bruno;P. Jokiel;R. Toonen
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DOI: --
发表时间: 2015
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影响因子: 0.9
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DOI: --
发表时间: 2003
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M. Kelly;J. Hooper;V. Paul;G. Paulay;R. Soest;W. H. D. Weerdt
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