Climate-related subsidies for CO2 absorption and fuel substitution: Effects on optimal forest management decisions

Mohammadi, Zohreh; Lohmander, Peter; Kašpar, Jan; Tahri, Meryem; Marušák, Róbert

doi:10.1016/j.jenvman.2023.118751

Cited by 5 publications

(3 citation statements)

References 26 publications

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“…Market forces may be used to partly control the climate via forestry decisions, since forestry decisions are affected by CO2 related subsidies. Mohammadi, Lohmander et al (2023) derive the general principles of global warming reduction via such forestry-CO2 subsidies.…”

Section: Ccf and A Sustainable Planet Earthmentioning

confidence: 99%

Sustainable Continuous Cover Forestry Dynamics, Optimal Decisions, and Empirical Estimations

Lohmander

2024

Preprint

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Sustainable continuous cover forestry is defined and analyzed in several ways. The differential equation representing growth of the basal areas of individual trees, motivated by fundamental biological production theory by Lohmander (2017a), is analyzed and extended in different directions. From the solution of the differential equation, the basal area and the tree diameter are obtained as explicit functions of time. The diameter is a strictly increasing function of time. In the absence of competitors, the diameter increment is shown to be a strictly decreasing function of time. Hence, the diameter increment can also be interpreted as a strictly decreasing function of the diameter. Alternative forms of adjustment of the differential equation, with consideration of competition, are defined. If the competition is strong, with large trees in the vicinity of a particular tree, then the basal area increment, and the diameter increment, are reduced. The growth of a large tree is less sensitive than the growth of a small tree, to competition from other trees. Under strong competition, the basal area increment, and the diameter increment, are strictly concave functions of the size of the tree. The unique maximum of the diameter increment occurs at a higher diameter, if the competition increases. In dynamic equilibrium, the tree size frequency distribution is stationary. If natural tree mortality can be avoided via the harvest strategy, the tree size frequency distribution is a function of the size and competition dependent growth function, and the harvest strategy. Empirical tree size frequency data are used to simultaneously estimate parameters of a size and competition dependent growth function and the applied harvest strategy, via nonlinear optimization. The properties of the estimated growth function are consistent with the corresponding properties of the production theoretically motivated hypothetical function, and the properties of the estimated harvest strategy confirm the corresponding hypotheses. The R2 of the nonlinear regression exceeds 0.97. With access to an empirically estimated equilibrium tree size distribution, it is possible to: 1. Estimate size frequency relevant parameters of tree size and competition dependent growth functions for individual trees. 2. Estimate the applied harvest strategy. 3. Explain and reproduce the empirically estimated tree size equilibrium distribution.

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Section: Ccf and A Sustainable Planet Earthmentioning

confidence: 99%

Sustainable Continuous Cover Forestry Dynamics, Optimal Decisions, and Empirical Estimations

Lohmander

2024

Preprint

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“…Forest plays a role in increasing CO₂ absorption through sunlight and soil water. Chlorophyllous plants can absorb CO2 from the atmosphere (Kumari et al, 2023;Mohammadi et al, 2023;Sribianti et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Sequestration of Carbon and Oxygen Production in Upper Stands in The Arboretum of PT Arutmin Indonesia NPLCT

Muhana,

Mendra,

Bahtiar

2024

IJSSR

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This study aims to determine biomass, carbon, carbon uptake, and oxygen production in the arboretum of PT. Arutmin Indonesia-NPLCT. The methods used are purposive sampling and allometrics. The plot size useda is 20 m 20 m with 12 plots measured. The area of the arboretum is 5.05 ha. Carbon stock measurement is done by multiplying biomass by a conversion rate of 0.47 (47%) while carbon dioxide (CO2) sequestration is calculated by multiplying the average annual biomass growth by the conversion rate of 1.4667 obtained from the photosynthesis equation and oxygen production is measured based on conversion from carbon yield. Based on the results of the study, it showed that the biomass content of stands in the arboretum was 1,067.32 tons, carbon stocks were 501.64 tons, carbon dioxide (CO2) absorption was 1,565.45 tons, and oxygen production was 1,337.71 tons.

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“…Jianghuan Qin et al, based on three tree growth models, Richard, Hossfeld and Korf, which consider biological characteristics of trees, and combined with relevant data from national forests, the carbon sink potential of existing forests and forested areas in China during 2020-2100 is assessed under multiple afforestation and forest management scenarios [6] . From an economic perspective to explore reasonable ways to optimize stand level management decisions, Mohammadi Zohreh et al 's findings [7] suggest that there are one or two of the alternative forms of CO 2 subsidies increase, and that the approach of providing decisions at the stand-level can be extended to the broader scales at forest landscapes.…”

Section: Introductionmentioning

confidence: 99%

Application of mathematical modeling in forest ecological protection

Teng,

2024

Fourth International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2024)

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Climate change has become a great challenge facing all mankind. Aiming at the problem of forest ecological environment protection, two mathematical models of forest carbon sequestration and forest management decision-making are established in this paper. Firstly, the carbon sequestration index of forest is evaluated by combining relevant indicators and a comprehensive evaluation method, which combines analytic hierarchy process and objective weight method. And the first-order exponential function is introduced to model the decay law of forest trees based on the IPCC theory, and the carbon sequestration model is established. In addition, based on the consideration of forest comprehensive benefits, a decision model based on multi-objective optimization is established for forest management, and the genetic algorithm is used to solve the optimal solution. Finally, we apply the model to Saihanba forest and the relevant parameters are analyzed. The results show that reasonable anthropogenic development, such as deforestation, does not affect forest, and can promote the carbon cycle process in forest.

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Climate-related subsidies for CO2 absorption and fuel substitution: Effects on optimal forest management decisions

Cited by 5 publications

References 26 publications

Sustainable Continuous Cover Forestry Dynamics, Optimal Decisions, and Empirical Estimations

Sustainable Continuous Cover Forestry Dynamics, Optimal Decisions, and Empirical Estimations

Sequestration of Carbon and Oxygen Production in Upper Stands in The Arboretum of PT Arutmin Indonesia NPLCT

Application of mathematical modeling in forest ecological protection

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