Materials

Roles

GPS

to take the coordinates of the various sampling sites

1 L plastic bottle

allowed water to be sampled for physicochemical analysis

a cooler with ice packs ±5˚C temperature

allowed to keep the sample intact until the laboratory

A multi-parameter

to measure in-situ parameters such as: pH, temperature, conductivity

A digital camera

allowed to take pictures

A marker and adhesive paper

to label samples

A pen and a notebook

to record in situ values

A motorized boat

for trips on the lake