However, increasing demand for electricity and direct coal consumption, and gradual depletion of its own supply, have led to it becoming the world's largest coal importer. (sciencedaily.com)
And the last book of the Bible prophetically pointed to the gradual depletion of religion, that is false religion, by its members at Revelation 16, which says: «And the sixth one (of seven angels) poured out his bowl (symbolizing God's anger) upon the great river Euphrates, and its water was dried up, that the way might be prepared for the kings from the rising of the sun.» (religion.blogs.cnn.com)
They found that there has been a gradual depletion of long - lived, high - trophic - level fish, such as cod and haddock, and a corresponding rise of low - trophic - level invertebrates and plankton - feeding fish, such as anchovy. (sciencemag.org)