{"thcode":2,"term":{"code":589,"name":"inland fishery resources","parent":391,"scope":"Stocks of fish available to be taken in lakes, streams, ponds, rivers, and other inland bodies of water."},"uf":[],"bt":[{"code":391,"name":"fishery resources","parent":777,"scope":"The stock of anadromous, marine, and freshwater fish in fishing areas of commercial, subsistence, and recreational value."},{"code":777,"name":"natural resources","parent":1174,"scope":"Stocks of anything naturally occurring that have a beneficial use for man including economic, nutritional, recreational, aesthetic, and other benefits."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":53,"name":"aquatic biology","parent":650,"scope":"The scientific study of organisms living in or near water.  This term is to be used for the science of 'aquatic biology' and for  biological studies in fresh and brackish water. For marine biological studies, use 'marine biology'."},{"code":570,"name":"ichthyology","parent":1268,"scope":"Branch of zoology concerned with the study of fish."}]}