Biogeography of Cephalopods in the Southern Ocean Using Habitat Suitability Prediction Models
Biogeography of Cephalopods in the Southern Ocean Using Habitat Suitability Prediction Models
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DOI：
10.1007/s10021-015-9926-1
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发表时间：
2016-03
期刊：
影响因子：
3.7
通讯作者：
J. Xavier;B. Raymond;Daniel C. Jones;H. Griffiths
中科院分区：
文献类型：
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作者：
J. Xavier;B. Raymond;Daniel C. Jones;H. Griffiths
我们对南大洋环境变化将如何影响海洋多样性、生境和分布的了解仍然有限。人们对南大洋头足类动物的生境和分布普遍知之甚少，但这种知识对于研究和养护管理以及评估环境变化的潜在影响是必要的。我们使用网获数据开发栖息地适宜性模型，在南大洋最常见的15头足类动物。使用模拟的栖息地适宜性，我们评估了有利的地区，为每个物种，并研究物种分布和环境参数之间的关系。这些物种的已知生态和空间格局的饮食研究鱿鱼捕食者的结果相比有利。个人的栖息地适宜性模型被覆盖，以产生一个“热点”的物种丰富度指数，这表明更多的鱿鱼物种与南极绕极流的各个方面。最后，我们回顾了这些物种的总体分布和它们在南大洋捕食者饮食中的重要性。有必要开展进一步研究，探讨未来气候变化对南大洋鱿鱼的潜在影响。
Our understanding of how environmental change in the Southern Ocean will affect marine diversity, habitats and distribution remain limited. The habitats and distributions of Southern Ocean cephalopods are generally poorly understood, and yet such knowledge is necessary for research and conservation management purposes, as well as for assessing the potential impacts of environmental change. We used net-catch data to develop habitat suitability models for 15 of the most common cephalopods in the Southern Ocean. Using modeled habitat suitability, we assessed favorable areas for each species and examined the relationships between species distribution and environmental parameters. The results compared favorably with the known ecology of these species and with spatial patterns from diet studies of squid predators. The individual habitat suitability models were overlaid to generate a “hotspot” index of species richness, which showed higher numbers of squid species associated with various fronts of the Antarctic circumpolar current. Finally, we reviewed the overall distribution of these species and their importance in the diet of Southern Ocean predators. There is a need for further studies to explore the potential impacts of future climate change on Southern Ocean squid.