Articles | Volume 17, issue 22
https://doi.org/10.5194/bg-17-5489-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-5489-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Nov 2020
Research article |
| 14 Nov 2020
| 14 Nov 2020
The effects of decomposing invasive jellyfish on biogeochemical fluxes and microbial dynamics in an ultra-oligotrophic sea
Tamar Guy-Haim
CORRESPONDING AUTHOR
Israel Oceanographic and Limnological Research, National Oceanography
Institute, Haifa, 3108000, Israel
Maxim Rubin-Blum
Israel Oceanographic and Limnological Research, National Oceanography
Institute, Haifa, 3108000, Israel
Eyal Rahav
Israel Oceanographic and Limnological Research, National Oceanography
Institute, Haifa, 3108000, Israel
Natalia Belkin
Israel Oceanographic and Limnological Research, National Oceanography
Institute, Haifa, 3108000, Israel
Jacob Silverman
Israel Oceanographic and Limnological Research, National Oceanography
Institute, Haifa, 3108000, Israel
Guy Sisma-Ventura
Israel Oceanographic and Limnological Research, National Oceanography
Institute, Haifa, 3108000, Israel
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Short summary
The availability of nutrients in oligotrophic marine ecosystems is limited. Following jellyfish blooms, large die-off events result in the release of high amounts of nutrients to the water column and sediment. Our study assessed the decomposition effects of an infamous invasive jellyfish in the ultra-oligotrophic Eastern Mediterranean Sea. We found that jellyfish decomposition favored heterotrophic bacteria and altered biogeochemical fluxes, further impoverishing this nutrient-poor ecosystem.
The availability of nutrients in oligotrophic marine ecosystems is limited. Following jellyfish...
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