An above-ground biomass production model for a common reed (Phragmites communis Trin.) stand

Allirand, Jean Michel; Gosse, Ghislain

doi:10.1016/0961-9534(95)00042-9

Cited by 49 publications

(18 citation statements)

References 10 publications

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“…Although characteristics such as leaf area production, energy absorption, and conversion efficiencies have been evaluated in different locations (Dykyjova and Pribil, 1975;Ho, 1979;Hocking, 1989a;Hara et al, 1993;Allirand and Gosse, 1995), these studies depended on empirical relationships thus limiting the scope of understanding the growth dynamics of the common reed. The fact that the mean caloric values of vascular aquatic plants do not vary much (Boyd, 1970;Kaul and Vass, 1972) allowed for the successful simulation of the growth of various plants through the use of mathematical modeling (Scheffer et al, 1993;Asaeda and Bon, 1997).…”

Section: Biomass Production Modelmentioning

confidence: 99%

“…Phragmites was chosen because it is fast-growing, highly productive, perennial, and quite tolerant of extreme conditions. Moreover, data exist about the growth habits and patterns of Phragmites (Hosoi et al, 1998;Allirand & Gosse, 1995;Meuleman et al, 2002;Haslam, 1969b;Engloner, 2009). It is important to note, that although Phragmites has admirable characteristics for a wetland plant to be harvested for biomass, the uncontrolled propagation of Phragmites has led it to become regarded as an invasive species in 18 states (Getsinger, 2007).…”

Section: Emergent Aquatic Plants Have a History Of Being Harvested Fomentioning

confidence: 99%

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Simulation and Optimization of a Constructed Wetland for Biomass Production and Nitrate Removal

Zygas

Eheart

Cai

2014

J. Water Resour. Plann. Manage.

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Recently there is growing concern about high nutrient loadings in surface waters as a result of intensive agriculture, resulting in hypoxia in costal ecosystems. There is simultaneous growing interest in the cultivation of perennial grasses for bio-ethanol production. Constructed wetlands offer a promising nutrient removal mechanism while also providing an ideal environment for the growth of such grasses. In the present work, a hypothetical wetland system is designed to treat non-point source nutrient loadings and produce harvestable biomass for ethanol production in central Illinois. Through the integration of a biomass production model, a nutrient removal model and a cost model, the relationship between the costs of wetland construction, benefits from biomass sales, and mass nutrient removal can be seen for various wetland sizes and water throughput capacities. Using genetic algorithms, the Pareto-optimal frontier showing the tradeoff between nutrient removal and the net cost of the wetland system, (accounting for revenue from biomass harvest) can be visualized.This analysis is demonstrated for a hypothetical wetland site near Camargo, Illinois which is assumed to draw water from the Embarras River. Through the simulation of several cost scenarios, the wetland is found to show a profit only when construction, operation and maintenance costs are excluded from the analysis. Results show a tradeoff between the amount of nitrate removed in the wetland via denitrification and biomass production For the example case, a 33.8 ha wetland with a 2.3 m 3 /s design pumping capacity was found to have the maximum cost efficiency with a cost of 4.8 $/kg of NO 3 -N removed. The results indicate that there is a unique efficiency-maximizing design for a wetland at a particular site. These results also indicate that a subsidy of at least 4.8 $/kg of NO 3 -N removed is necessary (assuming the biomass is sold for $58/ton) in order for a wetland at the hypothetical site to break even. Furthermore, if a market for nitrogen exists or if nutrient trading between point dischargers is allowed, it might be possible for a constructed wetland designed for biomass production to be profitable while providing water quality benefits.iii ACKOWLEDGEMENTS Many thanks to my co-advisers Wayland Eheart and Ximing Cai for their unwavering support, key insights, and patience.

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Section: Biomass Production Modelmentioning

confidence: 99%

Section: Emergent Aquatic Plants Have a History Of Being Harvested Fomentioning

confidence: 99%

Simulation and Optimization of a Constructed Wetland for Biomass Production and Nitrate Removal

Zygas

Eheart

Cai

2014

J. Water Resour. Plann. Manage.

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“…It is a highly productive grass with an above-ground net primary production ranging from less than 3 t ha -1 y -1 to as much as 30 tha -1 y -1 (Allirand, Gosse, 1995). Reed can be found all over the world except in Antarctica, but its core distribution area is Europe, the Middle East and America (Köbbing et al, 2013).…”

Section: General Characteristics and Spread Of Reedsmentioning

confidence: 99%

Assessment of Reed Potential for Thermal Energy Production in Latvia

Vespere

Popluga

2018

Proccedings of International Scientific Conference "RURAL DEVELOPMENT 2017"

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Global challenges such as increasing population density and climate changes are putting focus on such emerging issues as transition to a green economy and mitigation of greenhouse gas emissions. Starting from 2021, activities in climate protection will be launched by the Paris Agreement, which provides not only for adapting to already occurring climate changes and reducing the expected effects but also promoting investment flows in a low carbon economy. In Latvia, one of the largest greenhouse gas emission sources is heat production from fossil fuel. Although biomass combustion generates about the same amount of carbon dioxide as fossil fuel, this is a friendlier source of energy because when it is restored, the carbon dioxide from the atmosphere is absorbed. Currently the most commonly used renewable source for the generation of thermal energy is wood. In the present research a theoretical study is conducted to assess the possibility of using another type of biomass – reeds, which is a common resource available throughout the country and recovers quickly. The research results showed that reeds can be used as an environmentally friendly alternative to firewood, but its efficient use should take into account the following factors: biomass with low humidity obtainable late in winter, the combustion process has a high ash level and before transporting, it should receive primary treatment to increase the bulk density and reduce transport costs. Reed as a separate fuel material is effective for solid fuel boilers, located close to the resource extraction site. An optimal use of this biomass source is possible in combination with other energy sources to produce pellets or briquettes.

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“…At the same time several mathematical models have been developed to simulate their growth 4),9), 10) . However, within the literature, the mayor part of recent researches related to nutrient-limited growth has not paid attention to nutrient uptake mechanism.…”

Section: Introductionmentioning

confidence: 99%

Nitrogen Uptake and Leaf Nitrogen Content of Phragmites Japonica

Bui

Toda

Tsujimoto

2007

PROCEEDINGS OF HYDRAULIC ENGINEERING

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Plants require nitrogen (N) within the soil to produce high yields. However, the transport mechanism of nutrients from root medium to plant and the response of plant nitrogen tissue to nitrogen uptake have not been identified so far. The experiments in this study were performed in summer of 2005 and 2006 in order to define the mechanism of nutrient uptake and specify the response of plant nutrient content in Phragmites japonica.The results suggest that the mayor part of nitrogen absorption is due to an active uptake process. The influx is subject to negative feedback on high external concentration and reaches a maximum uptake rate after 6-8 hours of exposure. The response of leaf N content to NO 3 -uptake not only proves the uptake process based on plant demand but also appears to be independent with external concentration and uptake rate. The results also imply the fact that plants may have sufficient capacity to store nutrients.

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An above-ground biomass production model for a common reed (Phragmites communis Trin.) stand

Cited by 49 publications

References 10 publications

Simulation and Optimization of a Constructed Wetland for Biomass Production and Nitrate Removal

Simulation and Optimization of a Constructed Wetland for Biomass Production and Nitrate Removal

Assessment of Reed Potential for Thermal Energy Production in Latvia

Nitrogen Uptake and Leaf Nitrogen Content of Phragmites Japonica

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