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- Title
Dynamic Height Growth Equations and Site Index-Based Biomass Models for Young Native Species Afforestations in Spain.
- Authors
Calama, Rafael; Madrigal, Guillermo; del Río, Miren; López-Senespleda, Eduardo; Pardos, Marta; Ruiz-Peinado, Ricardo; Menéndez-Miguélez, María
- Abstract
The expansion of forested areas through afforestation and reforestation is widely recognized as a highly effective natural solution for mitigating climate change. Accurately assessing the potential carbon uptake capacity of newly afforested areas requires modelling tools to estimate biomass stocks, including site index curves and biomass models. Given the unique conditions in terms of tree size, uniform spacing, and tree allometries observed in young afforestations compared to natural stands, specific tools are necessary. In Spain, over 800,000 ha has been afforested with native forest species since 1992, but specific modelling tools for these plantations are lacking. Using data from 370 stem analyses collected across an extensive network of plots in young afforestations, we developed dynamic height growth and site index models for the main native species (five pines and five oaks) commonly used in afforestation in Spain. We compared various nonlinear models, such as ADA (algebraic difference approach) and GADA (generalized algebraic difference approach) expansions. The developed site index models were then used to predict the total biomass stored in the afforestation. Our results underscore the necessity for specific site index models tailored to afforestations, as well as the potential of the established site index in predicting biomass and carbon fixation capacity in these young forests.
- Subjects
SPAIN; AFFORESTATION; NATIVE species; CARBON fixation; BIOMASS; OAK; TREE size; CLIMATE change
- Publication
Forests (19994907), 2024, Vol 15, Issue 5, p827
- ISSN
1999-4907
- Publication type
Article
- DOI
10.3390/f15050827