Record Display for the EPA National Library Catalog
RECORD NUMBER: 1 OF 1| Main Title | Culture and ecology studies of the rotifer, polyarthra vulgaris. | |||||||||||||||||||||||||||||||
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| Author | Buikema, Jr., Arthur L. ; Cairns, Jr., John ; Edmunds, Paul C. ; Krakauer., Thomas H. | |||||||||||||||||||||||||||||||
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| CORP Author | United States. Environmental Protection Agency. Office of Research and Development. | |||||||||||||||||||||||||||||||
| Year Published | 1977 | |||||||||||||||||||||||||||||||
| Report Number | EPA-600/3-77-051; EPA-R-800815 | |||||||||||||||||||||||||||||||
| Stock Number | PB-272 587 | |||||||||||||||||||||||||||||||
| OCLC Number | 56312317 | |||||||||||||||||||||||||||||||
| Subjects | Rotifera--Ecology ; Rotifera--Cultures and culture media | |||||||||||||||||||||||||||||||
| Additional Subjects | Zooplankton ; Aquatic animals ; Freshwater biology ; Ecology ; Cultures(Biology) ; Survival ; Reproduction(Biology) ; Temperature ; Population migrations ; Trace elements ; Food ; Culture media ; Water quality ; Invertebrates ; Rotifera ; Polyarthra vulgaris | |||||||||||||||||||||||||||||||
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| Collation | booklet. | |||||||||||||||||||||||||||||||
| Abstract | The report presents research conducted to identify variables which affect the survival and reproduction of the rotifer, Polyarthra vulgaris. The following variables were studied: handling stress, container size, frequency of changing the culture medium, light quantity and quality, photoperiod, oxygen and vitamin requirements, fungal parasites, food preference and concentration, antibiotic effects of bluegreen algae, and temperature. Temperature had an effect on population dynamics, percent of females with eggs, number of eggs per female, and sexual reproduction. Egg production rates were estimated and observations on the duration of egg development were made. This report also includes a field study of the relation between Polyarthra vulgaris and 19 selected chemical and physical parameters. |
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| Notes | Includes bibliographical references (pages 44-51). |