Cladophora aff.albida(Huds.)Kiitz. Is a benthic alga which grows in nuisance proportions in the shallow Peel-Harvery Estuarine System of Western Australia.Tissue analyses reverled that although N and P contents varied seasonally,the alga was rarely below the minimum N tissue content necessary for maximum growth but always below this concentration for P. Lowes tissue concentrations in summer and autumn suggested that the alga relled to some extent on stored N and P;at this time nutrient supply rates were insufficient to keep pace with higher growth rates.In winter and spring accumulation of N and P into the tissue occurred,and this can be related to high nutrient input from rivers.Other potentially important sources of nutrients were the surface sediments and decomposing Cladophora and phytoplankton. However,the full storage potential of Cladophora(demonstrated experimentally) was not reached at this time primarily because high river flow was confined to only a few week.
Overall,tissue analyses of Cladophora,when combined with laboratory experimentation,provided a useful tool for interpreting the role of nutrient storage and showed that P may be an important factor in the control of Cladophora growth in the estuary.
Cladophora aff.albida(Huds.)Kiitz. Is a benthic alga which grows in nuisance proportions in the shallow Peel-Harvery Estuarine System of Western Australia.Tissue analyses reverled that although N and P contents varied seasonally,the alga was rarely below the minimum N tissue content necessary for maximum growth but always below this concentration for P. Lowes tissue concentrations in summer and autumn suggested that the alga relled to some extent on stored N and P;at this time nutrient supply rates were insufficient to keep pace with higher growth rates.In winter and spring accumulation of N and P into the tissue occurred,and this can be related to high nutrient input from rivers.Other potentially important sources of nutrients were the surface sediments and decomposing Cladophora and phytoplankton. However,the full storage potential of Cladophora(demonstrated experimentally) was not reached at this time primarily because high river flow was confined to only a few week.Overall,tissue analyses of Cladophora,when combined with laboratory experimentation,provided a useful tool for interpreting the role of nutrient storage and showed that P may be an important factor in the control of Cladophora growth in the estuary.
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