Aquatic communities contribute to overall biodiversity and provide essential ecosystem services but are threatened by ...

58, No. 6 (2013), pp. 2089-2100 (12 pages) H. T. Odum’s influential Limnology and Oceanography 1956 publication compared gross primary production (GPP) and ecosystem respiration (ER) among aquatic ...

If you’re a kid who has participated in a GARNA or Trout Unlimited summer program or field trip, there is a good chance you ...