A knowledge clip made by Wageningen University & Research (WUR) students Arjan Rijkenhuizen (1049681) and Delon van den Akker (1049451)
Take home message: What is ocean fertilisation and is it a viable solution to mitigate climate change.
Keywords: Phytoplankton, iron fertilization, bio-sequestration, carbon dioxide, photosynthesis.
Timestamps
00:00 Introduction
00:28 Oceanic bio-sequestration and iron fertilization
01:21 Roles of iron
01:31 Where will iron fertilization be most efficient?
01:47 Effects on the environment
02:36 Effects on food webs
03:17 Upsides and downsides
04:13 Summary + Conclusion
Sources:
(1) Cox, E., Boettcher, M., Spence, E., & Bellamy, R. (2021). Casting a wider net on ocean NETs. Frontiers in climate, 3, 576294.
(2) Boyd, P., & Vivian, C. (2019). Should we fertilize oceans or seed clouds? No one knows. Nature, 570(7760), 155-157.
(3) Ito, A., Ye, Y., Baldo, C., & Shi, Z. (2021). Ocean fertilization by pyrogenic aerosol iron. npj Climate and Atmospheric Science, 4(1), 30.
(4) Boyd, P. W. et al. Mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization. Nature 407, 695–702 (2000).
(5) Tsuda, A. et al. A mesoscale iron enrichment in the western subarctic Pacific induces large centric diatom bloom. Science 300, 958–961 (2003).
(6) Turley, C., Blackford, J., Widdicombe, S., Lowe, D., Nightingale, P. D., & Rees, A. P. (2006). Reviewing the impact of increased atmospheric CO2 on oceanic pH and the marine ecosystem. Avoiding dangerous climate change, 8, 65-70.
(7) Tripathy, S. C., & Jena, B. (2019). Iron-stimulated phytoplankton blooms in the Southern Ocean: a brief review. Remote Sensing in Earth Systems Sciences, 2, 64-77.
(8) Behrenfeld, M. J., & Boss, E. S. (2014). Resurrecting the ecological underpinnings of ocean plankton blooms. Annual review of marine science, 6, 167-194.
(9) Buesseler, K. O., & Boyd, P. W. (2003). Will ocean fertilization work?. Science, 300(5616), 67-68.
(10)Tollefson, J. (2008). UN decision puts brakes on ocean fertilization. Nature, 453(7196), 704-705.
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