An extended monitoring programme in the Samaria National Park, with semi-quantitative sampling methods to keep track of the relative abundance presence of various classes of the Arthropoda phyllum. Sampling frequency and density varies according to monitored species.

Frequent chemical and physical measurements (two-week-interval all year) of saline lakes and channels - pH, salinity, O2, temperature, extend of water body, watercolor, zooplankton, bird species and numbers,...