Summary
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1.
An attempt has been made to correlate the distribution of fungi in a group of small ponds and a lake, with the principal chemical factors of their water and other variables of the year.
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2.
The maximum production of fungi takes place during the months of August to March, after which they decrease.
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3.
Fungal production is favoured by a fall in temperature, accompanied by an increase of nutrients and dissolved oxygen content.
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4.
There appears to be some correlation between phytoplankton and the fungi.
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5.
Of all the factors investigated, pH, ammonia, nitrate, chloride and dissolved oxygen were found to be most significant in controlling fungal periodicity.
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Dayal, R., Tandon, R.N. Ecological studies of some aquatic phycomycetes. Hydrobiologia 22, 324–330 (1963). https://doi.org/10.1007/BF00036429
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DOI: https://doi.org/10.1007/BF00036429