Microalgae in peatlands: An overlooked climate ally
Can microalgae from peatlands help slow climate warming? It turns out they absorb more CO2 as temperatures increase, which means they could become key allies in the fight against global warming.
Microalgae inhabiting peatlands may play a significant role in combating global warming. According to the Polish Press Agency, these unique microorganisms conduct intense photosynthesis, allowing them to absorb more carbon dioxide as temperatures rise. While they can't stop climate change, they could support efforts to mitigate its effects.
The role of microalgae in peatland ecosystems
Microalgae are a crucial component of the peatland microbiome, and their ability to absorb CO2 has been underestimated until now. Studies indicate that by 2100, they could increase carbon absorption by 32 million tonnes annually if peatlands remain in good condition.
Microalgae, such as cyanobacteria and green algae, inhabit the surface layer of peatlands. One gram of dried moss can contain between 10,000 and one million of these organisms. Rising temperatures stimulate their photosynthesis, which enhances the peatlands' capacity to capture CO2.
The research results are promising. Can microalgae save us?
Unfortunately, climate changes may also increase the number of microorganisms breaking down organic matter, releasing more CO2 than microalgae can absorb. Therefore, while microalgae are helpful, they can't completely negate the effects of warming.
To better understand the role of microalgae, scientists conducted experiments on peatlands in various climates, including those in Poland and Sweden. The results show that microalgae from colder regions adapt better to warmer conditions, offering hope for their effectiveness in the future.
Protecting peatlands and globally reducing CO2 emissions remain crucial in the fight against warming. Further research is necessary to precisely determine the potential of microalgae as CO2 absorbers and to refine climate models.
