Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Danube Delta' has mentioned 'Wetlands' in the following places:
Occurrence Sentence Text Source
However, construction of a dense network of shallow channels in the delta over the same period, a sedimentation enhancing strategy, attenuated the deficit on the delta plain but increased erosion along the coast[9][10] The Danube Delta is a low alluvial plain, mostly covered by wetlands and water.
It hosts 23 natural ecosystems, but due to the extent of wetlands an aquatic environment is prevalent; a terrestrial environment is also present on the higher grounds of the continental levees, where xerophile ecosystems have developed.
Although the first modern agricultural exploitation dates from 1939 (Ostrovul Txc3xa3taru), only after 1960 were large areas drained and converted, to the detriment of the wetlands.