The timescales of global surface-ocean connectivity.
The timescales of global surface-ocean connectivity.
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DOI：
10.1038/ncomms11239
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发表时间：
2016-04-19
影响因子：
16.6
通讯作者：
Watson JR
中科院分区：
文献类型：
--
作者：
Jönsson BF;Watson JR
浮游生物群落是通过局部进化适应和生态演替的平衡形成的，这在很大程度上是由迁移驱动的。这些进程的运作时间表在很大程度上仍未得到解决。在这里，我们使用拉格朗日粒子跟踪和网络理论，以量化的时间尺度上，表面电流连接全球海洋的不同地区。我们发现，两个斑块之间的最快路径-每个斑块随机位于海洋表面的任何地方-平均不到十年。这些结果表明，海洋浮游生物群落可能会通过适应性类型的平流，跟上气候变化的步伐-温度升高，海洋酸化和层化在十年的时间尺度上的变化。 温带群落对气候变化的适应能力仍然不确定。在这里，作者使用拉格朗日粒子跟踪和网络理论，表明表层洋流可以在10年内导航地球仪，这表明海洋浮游生物可能与气候变化保持同步。
Planktonic communities are shaped through a balance of local evolutionary adaptation and ecological succession driven in large part by migration. The timescales over which these processes operate are still largely unresolved. Here we use Lagrangian particle tracking and network theory to quantify the timescale over which surface currents connect different regions of the global ocean. We find that the fastest path between two patches—each randomly located anywhere in the surface ocean—is, on average, less than a decade. These results suggest that marine planktonic communities may keep pace with climate change—increasing temperatures, ocean acidification and changes in stratification over decadal timescales—through the advection of resilient types. The adaptive capabilities of planktonic communities to climate change remain uncertain. Here, using Lagrangian particle tracking and network theory, the authors show that surface ocean currents can navigate the globe within 10 years, suggesting that marine plankton may keep pace with climate change.