Plant development and sequence in artificial ponds with or without phosphorus-enriched sediments

Plant development was studied in 10 artificial ponds containing phosphorus-enriched sediments--a clay material and a sandy loam. From 1975 to 1977 the flora consisted of both submersed vascular plants and algae. During 1975 the ponds were overgrown with macrophytes, and plankton populations were low...

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Bibliographic Details
Published in:The Southwestern naturalist 1980-11, Vol.25 (3), p.411-423
Main Authors: Troeger, W.W, Olness, A
Format: Article
Language:English
Subjects:
Algae
Macrophytes
Phosphates
Phosphorus
Phytoplankton
Plankton
Ponds
Sedimentary soils
Sediments
Soil treatment
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Summary:Plant development was studied in 10 artificial ponds containing phosphorus-enriched sediments--a clay material and a sandy loam. From 1975 to 1977 the flora consisted of both submersed vascular plants and algae. During 1975 the ponds were overgrown with macrophytes, and plankton populations were low. In 1976 and 1977 plankton blooms were common. Dominant macrophytes were Najas guadalupensis (Spreng.) Morong and Potamogeton sp. Algal members of Chlorophyceae, Myxophyceae, Euglenophyceae, and Bacillariophyceae were abundant as communities of plankton, surface scums, wall growth, and epiphytes. Initially, sediments provided nutrients, but as the pond ecosystems developed, nutrients were recycled from plant material. The results of this study are discussed with respect to interactions among different plant communities and nutrients.
ISSN:0038-4909
1943-6262
DOI:10.2307/3670698