Aquatic Research

Marsh & Associates provides the highest standard in quality aquatic research throughout the state of Arizona, Nevada and California.  Using the most advanced modern day equipment our company can provide you with a wealth of experience suited for your research needs.

  • Multiple-parameter probe deployment for monitoring dissolved oxygen, pH, temperature, conductivity, and total dissolved solids
  • Plankton net tows and benthic invertebrate sampling
  • Wet chemistry; phosphates, nitrates, selenium, and total suspended solids

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