In our last blog we talked about how much a macroalgae farm could benefit the environment and community however we are often questions about the potential environmental risks.
Listed below are some risks that we have identified, and analysed a mitigation plan. Don’t get too disheartened because we have ways to stop these risks from happening.
We just need to focus on properly understand how algae cultivation works, specific to the area, and make sure we monitor the farms to the best of our ability.
We start from understanding the local environment and pilot tests, inland before introducing the seaweed back into the ocean starting with a very small scale. Keeping an eye out for how the algae is affecting the ecosystem such as overbloom; along with regularly testing the water to prevent pollution, endangerment, and disease.
Environmental Risks
Pollution & Endangerment
Can cause ocean pollution if detachment occurs
Marine life can become entrapped
Disease Infestation
Loss of genetic variation
Creates vulnerability for insects and pathogens
Light Inhibition
Blocks light from reaching organisms that inhabit lower water depth
Invasive Species Introduction
Can lead to competition within the ecosystem
Cultivation materials can provide a habitat for invasive species
Algal Overblooms
Can cause overabundance of nutrients
Decrease in biodiversity
To reduce the risks associated with a macroalgae farm, best practices for farming are required to ensure proper management. Additionally, consistent monitoring and sampling of site location are required to observe any changes in the surrounding environment . With proper care, ecosystem services won’t be negatively affected (Bhuyan, 2023).
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