Brazilian Corals discovered to store significant amounts of carbon, according to a study
In the vast expanse of our oceans, lies a hidden treasure trove of carbon storage. Coral reefs and macroalgae, often overlooked, play a crucial role in mitigating climate change.
Corals, primarily through the formation of calcium carbonate skeletons, sequester a significant amount of carbon. For instance, the Brazilian coral species Mussismilia hispida retains around 20 tons of carbon annually. This storage prevents carbon from being released into the atmosphere, acting as a significant carbon sink in marine ecosystems.
Macroalgae also contribute to carbon sequestration. They do this through photosynthesis, converting inorganic carbon into organic carbon. While the sequestration potential of macroalgae is still being studied, they form part of the biological carbon pump, where organic carbon from surface waters is transported to deeper ocean layers, enabling longer-term carbon storage.
Effective conservation strategies for these carbon-rich ecosystems are essential. These include protecting resilient coral species, managing herbivore populations to control algae overgrowth, and preserving blue carbon coastal habitats such as tidal marshes, mangroves, and seagrass meadows.
Protecting these habitats not only prevents carbon release due to degradation but also supports climate mitigation. For example, expanding Marine Protected Areas (MPAs) shields vulnerable habitats from overfishing and pollution, thereby enhancing reef resilience.
Individuals can also contribute to this cause by reducing their carbon footprints, supporting marine conservation organisations, choosing sustainable seafood, minimising plastic use to reduce ocean pollution, and participating in or funding coral restoration programs.
The study on how Brazilian corals are found to capture massive amounts of carbon is a timely reminder that even lesser-known ecosystems can play a big role in climate change mitigation. As we delve deeper into understanding these processes, it becomes increasingly clear that these marine wonders are not just beautiful underwater landscapes, but vital components in the fight against climate change.
References:
- Keeping coral reefs alive: A global priority for climate change mitigation
- Blue Carbon: The Role of Coastal Ecosystems in Climate Change Mitigation
- The carbon sequestration potential of macroalgae: A review
- Carbon sequestration in mangrove forests: A review
- Salt marsh carbon sequestration: A review
- Dr. Emily Greenfield - Environmental Expert
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