Science Inventory

VASCULAR PLANTS AS ENGINEERS OF OXYGEN IN AQUATIC SYSTEMS

Citation:

CARACO, N., J. COLE, S. FINDLAY, AND C. WIGAND. VASCULAR PLANTS AS ENGINEERS OF OXYGEN IN AQUATIC SYSTEMS. BIOSCIENCE. American Institute of Biological Sciences, MCLEAN, VA, 56(3):219-225, (2006).

Impact/Purpose:

To examine the impact of vascular aquatic plants on oxygen in aquatic systems

Description:

The impact of organisms on oxygen is one of the most dramatic examples of ecosystem engineering on Earth. In aquatic systems, which have much lower oxygen concentrations than the atmosphere, vascular aquatic plants can affect oxygen concentrations significantly not only on long time scales but also on time scales of less than a day. Aquatic plants are generally thought of as adding oxygen to aquatic systems through photosynthesis, but the impact of vascular aquatic plants on oxygen varies greatly with plant morphology. Floating-leaved plants that vent oxygen to the atmosphere can strongly deplete oxygen. In some ecosystems where floating-leaved plants have replaced submersed vegetation, oxygen concentrations have been substantially reduced. These oxygen changes can have cascading impacts on nutrient and trace gas chemistry and on the suitability of plant beds as habitat for invertebrates and fishes.

Record Details:

Record Type: DOCUMENT (JOURNAL/PEER REVIEWED JOURNAL)
Product Published Date: 03/01/2006
Record Last Revised: 08/07/2006
OMB Category: Other
Record ID: 150751