Now, there is growing momentum for the creation of extensive reserves on the high seas as a way of reversing decades of rampant overfishing.
A third aspect of economic importance has been the extensive reserves of petroleum and natural gas discovered beneath the seafloor.
There are indications that there may be extensive reserves of shale gas under the countryside, and Mr Osborne is looking at them to provide cheap energy.
Turkmenistan's underground resources in the western plain and those underwater along the Caspian Sea include extensive reserves of oil and natural gas, as well as deposits of mirabilite, iodine, bromine, sulfur, potassium, and salt.
It previously said it had missed its drilling target area, but unexpectedly hit extensive reserves of oil nearby.
Walton likes the fact that Zeigler has extensive reserves of low sulfur coal, which is likely to become more popular for environmental reasons.
Australia's abundant and diverse natural resources attract high levels of foreign investment and include extensive reserves of coal, iron, copper, gold, natural gas, uranium, and renewable energy sources.
YouTube features extensive reserves of such content, as indeed do almost all image-sharing and social-media services; and that's before you consider fiction, art and film containing material that's explicit but not pornographic by any commonly understood measure (for instance, classical sculpture, Botticelli's Venus, James Joyce's Ulysses... the list is endless...)...
"There is also an extensive reserve system of around 100,000 hectares within the Central Highlands region to protect the Leadbeater's habitat.
Norway is a major oil producer and has found extensive reserves in the Barents Sea, northeast of Iceland.
Maintenance of suitable habitat for mobile species will require an extensive reserve network in conjunction with conservation-compatible non-reserve land management to accommodate species that track suitable conditions [50], [53].
