Seasonal decomposition of Typha latifolia in a free-water surface constructed wetland

Álvarez, J.A.; Bécares, Eloy

doi:10.1016/j.ecoleng.2006.05.001

Cited by 82 publications

(41 citation statements)

References 24 publications

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“…It is important to note that ST and WPH were positively related to decomposition rate, while FET was negatively related. This agrees with other studies that have demonstrated that temperature increases decomposition rate (Morris & Lajtha 1986;Middleton et al 1992;Alvarez & B ecares 2006). The direct WPH relation also agrees with the literature because wetlands tend to be acidic and low WPH inhibits decomposition (Day Jr. 1987;Kittle et al 1995;Taylor & Middleton 2004).…”

Section: Brookside Aldersupporting

confidence: 82%

“…The broadleaf cattail model was the only one that did not have a temperature parameter. This contradicts previous cattail studies that found temperature influenced decomposition rate (Morris & Lajtha 1986;Alvarez & B ecares 2006). It also was the only model to include HP, with a negative value implying that longer flooding periods led to lower decomposition rates.…”

Section: Broadleaf Cattailcontrasting

confidence: 52%

“…Temperature and HP are two environmental variables most often credited as best predicting decomposition rate. Temperature is directly related to decomposition rate (Morris & Lajtha 1986;Middleton et al 1992;Alvarez & B ecares 2006). The role of hydrology is less constant across wetlands, but many studies suggest that wetÀdry cycles influence litter decomposition rate (Atkinson & Cairns 2001;Battle & Golladay 2001;Anderson & Smith 2002).…”

Section: Introductionmentioning

confidence: 99%

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Influence of environmental parameters on litter decomposition in wetlands in West Virginia, USA

Gingerich

Merovich

Anderson

2014

Journal of Freshwater Ecology

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Plant litter decomposition varies by species and environmental conditions. To study environmental controls of decomposition, we measured plant litter decomposition rates in six wetlands located in West Virginia, USA. Four common wetland litter species were used: broadleaf cattail (Typha latifolia L.), common rush (Juncus effusus L.), brookside alder (Alnus serrulata (Ait.) Willd.), and reed canary grass (Phalaris arundinacea L.). A fifth litter type was created from a mix of common rush, brookside alder, and reed canary grass. Litter bags were collected over two years, from December 2007 to December 2009, and environmental variables near litter bags were measured every two weeks. Nine environmental parameters and one study parameter were then used to construct and test the ability of 22 a-priori models to predict the decomposition rate of each litter type. The environmental variables that most influenced and, therefore, best predicted decomposition rate varied among litter types. Brookside alder decomposition rate was best predicted by soil temperature (ST), water pH (WPH), and the number of transitions between flooded and exposed conditions (FET); reed canary grass decomposition rate was best predicted by air temperature (AT), WPH, and ST; common rush decomposition rates were best predicted by AT; broadleaf cattail decomposition rate was best predicted by hydroperiod (HP) and FET; and the mixed litter decomposition rate was best predicted by AT and WPH. Overall, AT, ST, and WPH were directly related to decomposition rate, while HP was inversely related. The FET was directly related to decomposition rates of common rush and broadleaf cattail and inversely related to the decomposition rate of brookside alder. The study of litter decomposition helps reveal the link between environmental conditions and wetland function.

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Section: Brookside Aldersupporting

confidence: 82%

Section: Broadleaf Cattailcontrasting

confidence: 52%

Section: Introductionmentioning

confidence: 99%

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Influence of environmental parameters on litter decomposition in wetlands in West Virginia, USA

Gingerich

Merovich

Anderson

2014

Journal of Freshwater Ecology

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“…The biodegradability depends in fact on the content of refractory components in the plant tissues (Longhi et al, 2008 ). The biomass decay is accompanied by a significant oxygen consumption and the regeneration of inorganic P and N. This result highlights the need to periodically remove biomass from the system, either by harvesting or by removing fallen leaves (litter and, especially, fresh leaves) to maintain the concentrations of organic matter and dissolved oxygen at levels suitable for aquatic life and to avoid the accretion of sediment, which could lead to the silting of the CW (Álvarez & Bécares, 2006 ). This removal is especially important for fresh leaves and shoots because they exert higher oxygen demand per mass unit.…”

Section: Biomass Decomposition and Nutrient Regenerationmentioning

confidence: 99%

Comparison of three plants in a surface flow constructed wetland treating eutrophic water in a Mediterranean climate

et al. 2015

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The goal of this study is to examine the suitability of three plants, Typha spp., Phragmites spp. and Iris pseudacorus, in a free water surface constructed wetland created to treat eutrophic water from Lake Albufera (Valencia, Spain), a wetland of international importance. The growth, coverage and nutrient content of the three plants were studied, and chemical analyses were performed according to standard methods. The maximum standing crops measured for each plant were 1.9, 18.2 and 3.3 kg m , respectively, and their average nutrient concentrations were 2.1, 1.2 and 1.7 g P kg and 12.1, 11.7 and 10.1 g N kg , respectively. A multiple harvest of Iris pseudacorus revealed that the removal of nutrients could be increased up to 50% for N and 100% for P compared with a single harvest. Biomass decomposition assays showed high values for five day biochemical oxygen demand (115-207 mg O g , depending on the plant and its age) and a substantial release of phosphorus, up to 100% of that contained in the biomass, highlighting

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“…Varios autores han publicado valores bajos de las tasas de descomposición para la Typha spp. (Emery & Perry, 1996;Jaques & Pinto, 1997;Álvarez & Becares, 2006;Chimney & Pietro, 2006;Corstanje et al, 2006). La enea es definida como una de las macrófitas emergentes más resistentes en los humedales y la baja tasa de descomposición de la misma significa que el detrito permanecerá en el sistema durante un largo periodo de tiempo (Álvarez & Becares, 2008).…”

Section: Rendimientos De Eliminación Y Factores Influyentesunclassified

Estudio de los Humedales Artificiales de Flujo Superficial del Tancat de la Pipa como instrumentos para la restauración ambiental del lago de l'Albufera de Valencia

Rajadel¹

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Seasonal decomposition of Typha latifolia in a free-water surface constructed wetland

Cited by 82 publications

References 24 publications

Influence of environmental parameters on litter decomposition in wetlands in West Virginia, USA

Influence of environmental parameters on litter decomposition in wetlands in West Virginia, USA

Comparison of three plants in a surface flow constructed wetland treating eutrophic water in a Mediterranean climate

Estudio de los Humedales Artificiales de Flujo Superficial del Tancat de la Pipa como instrumentos para la restauración ambiental del lago de l'Albufera de Valencia

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