气候变化情景下中国海域入侵物种隐单胞菌的潜在适宜区

IF 0.6 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES

Chiang Mai Journal of Science Pub Date : 2023-05-31 DOI:10.12982/cmjs.2023.028

Ru Lan, Jing Li, Hai-fang Lin, B. Qiao, Yi Huang, Rulin Wang

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引用次数: 0

摘要

外来入侵藻类与船舶压载水一起对中国海洋生态安全构成严重威胁。了解入侵物种的地理分布及其对气候变化的响应，可以为入侵物种的防治提供科学依据。本研究结合环境变量和分布数据，利用MaxEnt预测了中国4个主要海域隐单胞菌在当前、2040年代(2031-2050年)和2090年代(2081-2100年)的潜在地理分布和变化趋势，揭示了影响地理分布的主导环境因素，分析了高度适宜区质心的迁移趋势，明确了重点控制海域。结果表明:1)气温是影响隐单胞菌地理分布最重要的环境变量。范围(bio24)。2)在当前气候条件下，黄海整个海域、东海北部海域以及嘉兴、宁波、东营、潍坊、漳州等相应海域隐单胞菌适宜性指数，应特别注意隐单胞菌的防治。3)在2040年代(2031-2050年)和2090年代(2081-2100年)情景下，中国4个海域隐单胞菌的总适宜面积和高度适宜面积均呈增加趋势。④在2040 ~ 2090年气候变化情景下，黄海隐单胞菌高度适宜区质心总体上向东南或西南方向移动。在渤海和东海，在不同情景下，质心呈现出向不同纬度和方向移动的趋势。在渤海，质心呈北移趋势。这些变化趋势表明，隐单胞菌可能通过改变其分布区域来适应气候变化。

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Potential Suitable Area of Invasive Species Cryptomonas sp. under Climate Change Scenarios in China Sea Areas

Alien invasive algae along with ship ballast water have posed a serious threat to China’s marine ecological security. A clear understanding of the geographical distribution of invasive species and their response to climate change can provide a scientifi c basis for their prevention and control. In this study, combined with environmental variables and distribution data, MaxEnt was used to predict the potential geographical distribution and change trend of Cryptomonas sp. in the four major sea areas of China in current, 2040s (2031-2050) and 2090s (2081-2100), reveal the dominant environmental factors affecting the geographical distribution, analyze the migration trends of centroids the highly suitable area, and clarify the key control sea areas. Results showed that: 1) The most important environmental variable affecting the geographical distribution of Cryptomonas sp. was the Temperature. Range (bio24). 2) Under current climate condition, the suitability index of Cryptomonas sp. in the whole sea area of the Yellow Sea, the northern sea area of the East China Sea, and the corresponding sea areas of Jiaxing, Ningbo, Dongying, Weifang and Zhangzhou, and special attention should be paid to the prevention and control of Cryptomonas sp.. 3) Under the scenarios in 2040s (2031-2050) and 2090s (2081-2100), the total suitable area and highly suitable areas of Cryptomonas sp. in the four sea areas of China showed an increasing trend. 4) Under climate change scenarios in 2040s and 2090s, in the Yellow Sea, the centroid of the highly suitable area of Cryptomonas sp. would generally move to the southeast or southwest. In the Bohai Sea and the East China Sea, the centroid showed a trend of moving to different latitudes and directions under different scenarios. In the Bohai Sea, the centroid showed a trend of moving to the north. These moving trends indicated that Cryptomonas sp. may adapt to climate change by changingtheir distribution areas.

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来源期刊

Chiang Mai Journal of Science MULTIDISCIPLINARY SCIENCES-

CiteScore

1.00

自引率

25.00%

发文量

103

审稿时长

3 months

期刊介绍： The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.