Sustainable fisheries
An activity which does not consume or destroy resources or the environment. fisheries do not reduce the overall number of fish, because the number of fish that are caught and killed does not ever exceed the birth of new fish.
At one point we thought that we could remove as many fish as we wanted from the oceans without any consequence. During this period, we drastically To catch fish in such high numbers that species struggle to survive. some of our oceans and seas and reduced some All of the members of a single species that live within a geographical area. to critically low numbers.
Some scientists think that as much as 85% of the world's fish populations have been overfished. Common examples are cod in the North Sea and sole in the Irish Sea and English Channel. Overfishing can cause a critical point in populations that means certain A type of organism that is the basic unit of classification. Individuals of different species are not able to interbreed successfully. cannot ever recover and will become A species that has completely died out..
To address overfishing many countries are adopting a more sustainable strategy for fishing. These include Iceland and New Zealand. Many countries have introduced fishing quotas which limit the amount of fish that can be caught and killed from specific species. The size of the gaps in fishing nets has also been increased to ensure that juvenile fish can reach reproductive maturity and have offspring before being killed.