Continental-Scale Assessment of Climate-Driven Marine Species Range Extensions Using a Decade of Citizen Science Data

IF 4.6 2区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION
Barrett W. Wolfe, Curtis Champion, Troy Gaston, Joshua Brown, Melinda A. Coleman, Tom R. Davis, Sven Frijlink, Thomas Hatley, Freddie J. Heather, Gary Jackson, John P. Keane, Shannon Kjeldsen, Mark McGrouther, Natalie Moltschaniwskyj, Glenn Moore, Rod Pearn, Kate R. Rodda, Jan Strugnell, Jemina Stuart-Smith, John W. Turnbull, Sue-Ann Watson, Gretta T. Pecl
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引用次数: 0

Abstract

Aim

Climate-driven extensions of species distributions have serious consequences for human wellbeing and ecosystems. The recent growth of citizen science data collection represents an underutilised resource for the early detection of marine species range extensions (i.e., expansion of species' distributions at the poleward edge) that can enable proactive conservation and management. Here, we present a framework for the systematic assessment of evidence for marine species range extensions along a continent's coastlines from observations collected by different citizen science programmes.

Location

Australia's coastal oceans.

Methods

Observations of 200 marine species on a pre-registered target list from around Australia during 2013–2022 were sourced from the citizen science databases Redmap Australia, iNaturalist, and Reef Life Survey. We established historical (circa 2012) poleward distribution limits for populations of target species and identified out-of-range (poleward of distribution limit) observations, which underwent expert validation. We assessed the likelihood that each species underwent range extension using a decision tree informed by citizen science observations and species traits.

Results

In total, 73 species (39%) were observed out-of-range, comprising 76 range extensions along different coastlines. Twenty-five range extensions were assessed as high confidence, five with medium confidence, and 46 with low confidence. Range extensions were concentrated in Australia's southwest (Western Australia) and southeast (New South Wales and Tasmania), which are influenced by warm boundary currents and considered ocean warming hotspots. The mean extent of range extensions was 318 km (max. 1250 km).

Main Conclusions

As most (91%) range extensions identified were not previously described in the scientific literature from other data, we demonstrate that opportunistic citizen science monitoring can provide early detection of marine species range extensions at the continental scale. Given the varied consequences of range-extending species for recipient ecosystems, effectively harnessing citizen science would critically enhance the capacity for needed targeted research and anticipatory management efforts.

Abstract Image

利用十年公民科学数据对气候驱动的海洋物种范围扩展的大陆尺度评估
气候驱动的物种分布扩展对人类福祉和生态系统造成严重后果。最近公民科学数据收集的增长表明,早期发现海洋物种范围扩展(即物种在极地边缘分布的扩大)的资源未得到充分利用,这可以使主动保护和管理成为可能。在这里,我们提出了一个框架,通过不同的公民科学项目收集的观测资料,对海洋物种沿着大陆海岸线扩展的证据进行系统评估。定位澳大利亚的沿海海洋。方法从公民科学数据库Redmap Australia、iNaturalist和Reef Life Survey中对2013-2022年澳大利亚各地预登记目标清单上的200种海洋物种进行了观测。我们建立了目标物种种群的历史(约2012年)极向分布界限,并确定了范围外(极向分布界限)观测结果,并进行了专家验证。我们利用公民科学观察和物种特征提供的决策树来评估每个物种进行范围扩展的可能性。结果共有73种(39%)在不同海岸线的范围外分布,分布范围扩展76个。25个范围扩展被评估为高置信度,5个为中等置信度,46个为低置信度。范围扩展集中在澳大利亚西南部(西澳大利亚州)和东南部(新南威尔士州和塔斯马尼亚州),这些地区受到温暖边界流的影响,被认为是海洋变暖热点。平均扩展范围318公里(最大)。1250公里)。由于大多数(91%)的范围扩展在以前的科学文献中没有从其他数据中描述过,我们证明机会主义公民科学监测可以在大陆尺度上提供海洋物种范围扩展的早期检测。考虑到扩大范围的物种对接受者生态系统的不同影响,有效地利用公民科学将极大地增强所需的针对性研究和预期管理工作的能力。
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来源期刊
Diversity and Distributions
Diversity and Distributions 环境科学-生态学
CiteScore
8.90
自引率
4.30%
发文量
195
审稿时长
8-16 weeks
期刊介绍: Diversity and Distributions is a journal of conservation biogeography. We publish papers that deal with the application of biogeographical principles, theories, and analyses (being those concerned with the distributional dynamics of taxa and assemblages) to problems concerning the conservation of biodiversity. We no longer consider papers the sole aim of which is to describe or analyze patterns of biodiversity or to elucidate processes that generate biodiversity.
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