Acid can have varying effects on algae, depending on the species. While some algae thrive in more acidic conditions, others, particularly those that build calcium carbonate skeletons, are negatively impacted.
Varying Effects of Acidity on Algae
Acidity's influence on algae is not uniform; it depends on the specific type of algae and the level of acidity.
Positive Effects: Increased Growth in Some Species
Some algal species benefit from increased acidity because it often correlates with higher concentrations of carbon dioxide (CO2), which is crucial for photosynthesis. These species may exhibit enhanced growth rates under more acidic conditions.
Negative Effects: Damage to Calcifying Algae
However, coralline algae, vital for building calcium carbonate skeletons and reef stability, are vulnerable to increased acidity. Acidification can hinder their ability to build and maintain their skeletons, weakening coral reefs.
Summary
In summary, the effects of acid on algae are species-specific. Elevated acidity can boost the growth of certain algae species due to increased CO2 availability, while simultaneously harming calcifying algae, such as coralline algae, which are essential for reef ecosystems.