Twenty samples of surface sediment (the top 3.0 cm) were taken on soft bottoms
(from 20 to 300 m depth) with a stainless steel box corer. Phytoplankon and
zooplankton were sampled with conical nylon ...
Characterization of minor and trace metals in lacustrine ecosystems (Carezza
Lake, Inexpressible Island, Tarn Flat, Edmondson Point). Determinations in
lake waters, sediments, algae and soil. ...