Wong, A.L.C. and Beebee, T.J.C. and Griffiths, R.A. (1994) Factors Affecting the Distribution and Abundance of an Unpigmented Heterotrophic Alga Prototheca-Richardsi. Freshwater Biology, 32 (1). pp. 33-38. ISSN 0046-5070.
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1. Numbers of the contramensal alga Prototheca richardsi were high in spring in two ponds used for breeding by anuran amphibians, but lower at other times of year and undetectable in two ponds not used by anurans. 2. Prototheca richardsi became abundant in the silt of eight experimental ponds which contained tadpoles, but remained undectable in four otherwise identical ponds lacking tadpoles. 3. Prototheca richardsi numbers in laboratory microcosms remained stable for many days in sterile tap water, but declined with a half-life of about 6 days in pond water at 20-degrees-C. 4. Further studies with microcosms using antibiotics and electron microscopy indicated that mortality of P. richardsi was caused primarily by pathogenic bacteria.
|Subjects:||Q Science > Q Science (General)|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Biosciences|
|Depositing User:||P. Ogbuji|
|Date Deposited:||09 Jun 2009 14:03|
|Last Modified:||08 May 2012 12:51|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/20110 (The current URI for this page, for reference purposes)|
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