LONG-TERM ECOLOGICAL STUDY IN THE OAK RIDGE AREA. III. THE ORIBATID MITE FAUNA IN PINE LITTER
From 215 samples of pine forest litter taken in the Oak Ridge area during the summer of 1956, a total of 30,371 arthropods was obtained. Of this number, mites comprised 82.9%, collembolans 12.2%, and other insects 3.6%. Particular attention was directed toward the oribatid mites. The samples were taken from 3 similar areas, each of which was represented by 3 stations. Three samples were taken from each station each week for a period of 8 weeks during July and August. Thus a hierarchic measure of the variation in abundance was obtained for the more abundant oribatid species. Results of analysis of variance tests showed that significant variation occurs both between stations within areas and between the areas, for certain of the abundant oribatid mites. Fager's (1957) trellis diagram method was used to detect significant joint occurrences between species; only a single recurrent group of species was found. Although the 3 study areas had different relative abundances of certain of the more numerous species, it was concluded that the differences between areas represent local variations in a single oribatid fauna, rather than elements of 2 or more faunas. (auth)
- Research Organization:
- Oak Ridge National Lab., Tenn.; San Diego State Coll., Calif.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-010671
- OSTI ID:
- 4088115
- Journal Information:
- Ecology (U.S.), Vol. Vol: 41; Other Information: Orig. Receipt Date: 31-DEC-61
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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