Current Research Interests: biofilms epilithic; pesticides and pharmaceutics residues; watershed monitoring; no-tillage management. Methods and Techniques: Glyphosate and AMPA analyses in biofilms; 31P-RMN. What they are working on now: diagnostic of environment health and resilience; biofilms of environmental matrix; pesticides and pharmaceutics contamination. I have been working with phosphorus dynamics in soil and aquatic environments since the 1990s.