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Pond and Stream Terms
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WHAT IS A WETLAND?
usually a low lying area of soft waterlogged ground and standing water
WHAT IS A MARSH?
a wetland dominated by herbacious plants
WHAT IS A SWAMP?
a low land region saturated with water
HOW DO YOU DETERMINE IF ITS A SWAMP OR NOT?
by the type of vegatation that is found there
WHAT IS A PERENNIAL STREAM?
it means it flows all year round
WHAT IS AN INTERMITTENT STREAM?
it means it flows during part of the year
WHAT IS A EPHEMERAL STREAM?
it means it flows even less than a intermittent stream, usually after a snow melt etc.
WHAT IS A MACROPHYTE?
a macroscopic plant (visible to the naked eye)
WHAT DOES EMERGENT MEAN?
it means it grows above and out of the water
WHAT DOES SUBMERGENT MEAN?
it means below the surface of the water
WHAT DOES THE TERM FLOATING LEAF MEAN?
it means on top of wetland
WHAT IS LENTIC?
still water environment
WHAT IS LOTIC?
moving water environment
WHAT DOES "DO" STAND FOR AND MEAN?
dissolved oxygen, and its the amount of oxygen dissolved in a body of water
WHAT DOES THE WORD AEROBIC MEAN?
it has oxygen
WHAT DOES THE WORD ANAEROBIC MEAN?
deprived oxygen also tends to smell bad
WHAT DOES THE TERM "BOD" STAND FOR AND MEAN?
biochemical oxygen demand/ demand organisms put on environment by breaking down organic matter
WHAT IS SUBSTRATE?
its the rocky cobbely bottom of the stream floor
WHAT IS DETRITUS?
organic debris formed from the decay of organisms
WHAT IS SURFACE TENSION?
a property of liquids caused by unbalanced molecular cohesive forces at surface, behaves like a thin elastic film
WHAT IS A HEXAPOD?
a 6 legged arthropod which can tolerate low levels of DO
WHAT IS A DECAPOD?
any crustacean mostly in marine order having 10 legs
Ex- crabs, lobsters etc.
WHAT IS A ISOPOD?
any crustacean characterized by a flattened body bearing 7 pairs of legs
Ex- sow bugs
WHAT DOES BENTHIC MEAN?
its unconsolidated organic material
WHAT IS PHYTOPLANKTON?
free floating aquatic plants
Ex- algae
WHAT IS ZOOPLANKTON?
plankton that consists of animals
Ex- coral, rotifers, jellyfish etc.
Author
klokot
ID
36353
Card Set
Pond and Stream Terms
Description
Pond and Stream Terms
Updated
2010-09-21T22:58:32Z
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