Without oxygen in its free, gaseous state, life as we know it would not be the same. On land, all animal life depends on atmospheric oxygen in a narrow concentration range of around 20%. Too much or ...

The student developed a system for measuring and recording dissolved oxygen levels in the two ponds in the Nature Center... Students: Matthew Blanco Advisor: Maria Pantoja The student developed a ...

Quantifying ecosystem respiration remains challenging in aquatic ecosystems. Most investigators assume that nighttime and daytime respiration are equal. Recent studies suggest measuring dissolved ...