The effect of hydrogeomorphological disturbances on the macroinvertebrate communities in two Mediterranean watersheds with different land management criteria
DOI:
https://doi.org/10.6093/2724-4393/9709Keywords:
macroinvertebrates, rainfall, fine sediment transport, physical-chemical water column dataAbstract
A macroinvertebrates sampling campaign was performed between May 2009 and June 2010 in two Calabrian (South Italy) watersheds, Trionto river (Ionian coast) and Savuto river (Tyrrhenian coast). Results showed that the development of
exceptional rainfalls, interacting with sides degradation due to timber harvesting and diffuse fires, promoted in Trionto watershed a very strong hydrogeomorphological perturbation resulting in long lasting effects on macroinvertebrate
communities. On the other hand, Savuto river was mostly affected, upstream by permanent water regimentation while a more sustainable land management preserved the watercourse from severe impacts due to winter rains.
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