High anthropogenic pressures on marine ecosystems have resulted in decreased amounts of commercial fish species and total ichthyic fauna. |
The more he looked, and he ran programmes that created tens of thousands of images, the more ichthyic outlines he found. |
They already have no ichthyic fauna of their own, and they are relatively isolated, with no rivers to flow into or out of them, whence fish could escape. |
It is particularly suitable for the aeration of activated sludge basins of middle and large size wastewater treatment plants, homogenizing and aerobic digestion and the oxygenizing of ichthyic breeding. |
The municipality represents an important port of the south western Sicily and it has a great ichthyic market. |
The ichthyic nature of some of them is, however, now well established. |