2020
DOI: 10.3390/w12082093
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Optimization of Combined Submerged Macrophyte Planting Conditions for Inhibiting Algae by Response Surface Methodology

Abstract: Combined planting of submerged macrophytes could be an effective way of controlling algal blooms in landscape waters. In this study, the algal inhibition of single and combined planting of Hydrilla verticillata (A) and Myriophyllum spicatum (B) were explored. The optimized combined planting conditions were investigated using the central composite design. The results showed that the combined planting had a synergistic algal-inhibiting effect. Its inhibition (I (K)) is about 10.8% higher than that of single plan… Show more

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Cited by 5 publications
(3 citation statements)
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References 47 publications
(62 reference statements)
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“…The obtained values of R 2 , adjusted R 2 and predicted R 2 were close to 1, demonstrating a good fitness of the models in the experimental data (Hamad, 2020). "Adeq Precision" quantifies the signal to noise ratio, a ratio greater than 4 is preferred (Al-Baldawi et al, 2014;Bajpai et al, 2020;Wang et al, 2020). The signal to noise ratio achieved in the present study was 21.92 for AC and 31.24 MP, indicating an adequate signal.…”
Section: Fitting and Analysis Of Variance For Response Surface Quadratic Modelssupporting
confidence: 73%
“…The obtained values of R 2 , adjusted R 2 and predicted R 2 were close to 1, demonstrating a good fitness of the models in the experimental data (Hamad, 2020). "Adeq Precision" quantifies the signal to noise ratio, a ratio greater than 4 is preferred (Al-Baldawi et al, 2014;Bajpai et al, 2020;Wang et al, 2020). The signal to noise ratio achieved in the present study was 21.92 for AC and 31.24 MP, indicating an adequate signal.…”
Section: Fitting and Analysis Of Variance For Response Surface Quadratic Modelssupporting
confidence: 73%
“…First, as major primary producers, submerged macrophytes compete for nutrients, light, and other resources with phytoplankton in lake ecosystems [121]. Second, denitrification might be increased in the submerged macrophyte beds owing to microbe gathering in the rhizosphere [122], intensifying the nitrogen limitation for phytoplankton growth [50,123]. Third, submerged macrophytes could provide refuge against predation pressure for zooplankton (e.g., Cladocera), which could graze small and rapidly growing phytoplankton [41,46].…”
Section: Mechanisms Of Lake Restoration With Submerged Macrophytesmentioning
confidence: 99%
“…Macrophytes have the capability of limiting nutrient run-off in aquatic systems by taking up nutrients on the shoreline as they enter the lake, before they enter the open water zone (Zikey, 2022). Submerged macrophytes can also compete directly with algae for nutrients and light (S. Wang et al, 2020). However, at a smaller lake scale where management occurs, strong year to year variations in cyanobacterial blooms remain challenging to explain and predict (Pick, 2016).…”
Section: Eutrophication and Algal Bloomsmentioning
confidence: 99%