Coccidosis
A disease in poultry, rabbits, etc., caused by certain microorganisms (Sporozoa).
Codominant One
of two or
more
of the dominants in a community.
Coefficient of Association A measure of the joint occurrence of any two species not due to chance, obtained by dividing the number of samples in which both species occur by the number of samples in which it is expected they would occur only by chance. Coefficient of
The
Community
ratio of the
number
of species
munities or areas to the total in each of the communities,
cf.
number
common
to
two com-
of species occurring
Index of
similarity.
Coefficient of Variation
The
standard deviation expressed as a fraction of the
mean, or as a percentage.
Coelenterate
An corals,
animal in the Invertebrate phylum Coelenterata, sea-anemones,
Coelom The body
e.g.,
jellyfish.
cavity in of animals. groups
many
invertebrate
and vertebrate
Coenobiology (Cenobiology) See Biocoenology.
Coenobium
A
colony of organisms held together in a stance, e.g., Volvox.
common
sub-
Coenocline
The
sequence of natural communities in relation to
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