Wondering what is giving this pond that green murky look? It is the free floating algae also known as pond scum. The algae gave the pond a more refreshing and fascinating look but most people little did know that it is not what makes the algae crucial organisms to pond ecosystem or lake. The most important function of algae is it helps in maintaining the food chain to the marine life by providing food, energy and shelter.
Algae can also be a source of
• Food – source of agar and oil that used as additives in various food products.
• Biofertilizers – can maintain soil fertility and can yield crops even without the use of agrochemicals.
• Fuel – the lipids (fancy name for oil) derived from algae can be used in producing Biofuel.
• Waste water treatment – serves as biofilters by absorbing the heavy metals and other pollutants in water.
But then, anything in excess is harmful and can have negative effects. Excess algae growth is undesirable as it can have dreadful consequences to aquatic wildlife.