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Most of the basin is degraded and exhibits anthropogenic cultivation or succession land-use and vegetation after anthropogenic degradation by deforestation.

In the south-eastern part of the basin and on marls, mature pine forest is found.

Major parts of the basin have been affected by fires (2000, 2013). The vegetation is a succession of bush and trees.

In the area of Pandrossos and on some southern hillslopes consisting of dark schist there are vineyards.

Large areas of the tertiary alluvial fan and scree slopes and of the alluvial lowlands are covered with cultivations of orange and olive trees. Most of these fields are irrigated.