Li Chaoyi, Meng Yuan, He Chong, Chan Vera B S, Yao Haimin, Thiyagarajan V
a The Swire Institute of Marine Sciences and School of Biological Sciences , The University of Hong Kong , Hong Kong SAR , China.
b Department of Mechanical Engineering , The Hong Kong Polytechnic University , Hong Kong SAR , China.
Biofouling. 2016;32(2):191-204. doi: 10.1080/08927014.2015.1129532.
Development of antifouling strategies requires knowledge of how fouling organisms would respond to climate change associated environmental stressors. Here, a calcareous tube built by the tubeworm, Hydroides elegans, was used as an example to evaluate the individual and interactive effects of ocean acidification (OA), warming and reduced salinity on the mechanical properties of a tube. Tubeworms produce a mechanically weaker tube with less resistance to simulated predator attack under OA (pH 7.8). Warming (29°C) increased tube volume, tube mineral density and the tube's resistance to a simulated predatory attack. A weakening effect by OA did not make the removal of tubeworms easier except for the earliest stage, in which warming had the least effect. Reduced salinity (27 psu) did not affect tubes. This study showed that both mechanical analysis and computational modeling can be integrated with biofouling research to provide insights into how fouling communities might develop in future ocean conditions.
制定防污策略需要了解污损生物如何应对与气候变化相关的环境压力因素。在此，以管栖蠕虫优美盘管虫构建的钙质管为例，评估海洋酸化（OA）、升温及盐度降低对管的力学性能的单独及交互作用。在海洋酸化（pH 7.8）条件下，管栖蠕虫产生的管力学性能较弱，对模拟捕食者攻击的抵抗力较低。升温（29°C）增加了管的体积、管矿物质密度以及管对模拟捕食者攻击的抵抗力。除了升温影响最小的最早阶段外，海洋酸化的削弱作用并未使管栖蠕虫的清除变得更容易。盐度降低（27 psu）对管没有影响。该研究表明，力学分析和计算建模均可与生物污损研究相结合，以深入了解在未来海洋条件下污损群落可能如何发展。
