Percolation is the process of liquid slowly going through a filter. For instance, just like grinded coffee beans are poured in a filter to make your hot drink, percolation means the same exact thing.
In fact, the root word in percolation is percolare meaning "to strain/go through".
Aside from reducing fish stocks, unsustainable fishing practices can have other negative impacts on the marine environment. For example, some fishing techniques such as dredging and trawling can cause widespread damage to marine habitats and organisms living on the sea floor.
