Search on: ECOLOGY 
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Descriptor English:   Ecology 
Descriptor Spanish:   Ecología 
Descriptor Portuguese:   Ecologia 
Synonyms English:   Bionomics
Ecologies  
Tree Number:   H01.158.273.248
H01.277.249
Definition English:   The branch of science concerned with the interrelationship of organisms and their ENVIRONMENT, especially as manifested by natural cycles and rhythms, community development and structure, interactions between different kinds of organisms, geographic distributions, and population alterations. (Webster's, 3d ed) 
Indexing Annotation English:   the discipline (education, history, etc) only; use ECOLOGICAL AND ENVIRONMENTAL PHENOMENA or specifics treed under it for characteristics and processes of ecological and environmental systems
See Related English:   Ecosystem
Environmental Health
 
Allowable Qualifiers English:  
CL classification EC economics
ED education ES ethics
HI history IS instrumentation
LJ legislation & jurisprudence MT methods
OG organization & administration ST standards
SN statistics & numerical data TD trends
Record Number:   4531 
Unique Identifier:   D004463 

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