Biology · Relationships of organisms with one another and with the environment. The idea in plain words, the rules to remember, the mistake to avoid and a worked example, written and checked by Mega Lecture.
Conservation means protecting species and their habitats. The reasons are to maintain biodiversity, to reduce extinction and to protect vulnerable environments.
A sustainable resource is one that is produced as rapidly as it is removed from the environment, so it does not run out. Forests and fish stocks can be sustainable if we take no more than is replaced by growth and breeding.
Forests are conserved by education, protected areas, quotas on felling and replanting. Fish stocks are conserved by education, closed seasons, protected areas, controlled net types and mesh size, quotas and monitoring. For each method you should be able to say how it helps.
Students say a larger mesh catches more fish. It is the opposite: bigger holes let the small, young fish swim through so that they can grow and breed.
Answer: Not sustainable. Set a quota of 1500 trees a year at most, or replant so that replacement rises to match the felling.
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