zooplankton
Animal plankton. Small floating herbivores that feed on plant plankton (phytoplankton). Compare phytoplankton.
Subject:
Chapter 7 - Aquatic Ecology: Biodiversity in Aquatic Ecosystems
watershed
Land area that delivers water, sediment, and dissolved substances via small streams to a major stream (river).
Subject:
thermocline
Zone of gradual temperature decrease between warm surface water and colder deep water in a lake, reservoir, or ocean.
Subject:
surface water
Precipitation that does not infiltrate the ground or return to the atmosphere by evaporation or transpiration. See runoff. Compare groundwater.
Subject:
salinity
Amount of various salts dissolved in a given volume of water.
Subject:
runoff
Fresh water from precipitation and melting ice that flows on the earth's surface into nearby streams, lakes, wetlands, and reservoirs. See reliable runoff, surface runoff, surface water. Compare groundwater.
Subject:
plankton
Small plant organisms (phytoplankton) and animal organisms (zooplankton) that float in aquatic ecosystems.
Subject:
phytoplankton
Small, drifting plants, mostly algae and bacteria, found in aquatic ecosystems. Compare plankton, zooplankton.
Subject:
open sea
Part of an ocean that is beyond the continental shelf. Compare coastal zone.
Subject:
oligotrophic lake
Lake with a low supply of plant nutrients. Compare eutrophic lake, mesotrophic lake.
Subject:
Pages
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