Competencia, productividad y cambios a nivel de copas en bosques mixtos de pinos mediterráneos: señales a nivel del árbol individual

Cattaneo, Nicolás

doi:10.35376/10324/33457

Cited by 3 publications

(6 citation statements)

References 92 publications

(180 reference statements)

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“…The species-specific plastic responses of physiological and morphological traits to shade conditions could be one driving mechanism [60,61]. Differences in shade tolerance between both species [62] might facilitate the complementary crown architectures [63] and canopy vertical stratification [33] observed in mixed stands of Maritime pine and Scots pine. Thus, intercepted light can also be used more efficiently, suggesting that light-related interactions may contribute to the species-mixing effect on stand productivity.…”

Section: Tree Basal Area Growth Models Adapted To Mixed Standsmentioning

confidence: 99%

“…In this study, we proposed new species-specific models for adapting h-d functions and growth sub-modules of the tree-level IBERO model to mixed stands of Scots pine and Maritime pine in the Northern Iberian Range. Both h-d relationships and basal area growth equations might have larger effects on tree-level models in terms of gains or losses in productivity due to species interactions [33,34,63]. Adapting growth models developed for monospecific stands to mixed stands requires that they become sensitive to species composition [2], and capture sufficient accuracy in upscaling species-mixing effects from the tree-level to the stand-level.…”

Section: Implication For Tree-level Model In Mixed Standsmentioning

confidence: 99%

“…Obviously, other IBERO sub-modules require analysis to determine the species-mixing effects on the complete model structure and evaluate the performance of growth estimates on mixed stand simulations. Several studies have demonstrated that species-mixing can have significant effects on species crown size and shape [63,79], taper equations [9], height growth [56], and mortality rates [11], all of which could influence the productivity of mixed-species stands. A wider range of stand structures is clearly possible in mixed-species stands, creating a challenge to both sampling strategies and the choice of model form for individual-tree equations.…”

Section: Implication For Tree-level Model In Mixed Standsmentioning

confidence: 99%

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Species Mixing Effects on Height–Diameter and Basal Area Increment Models for Scots Pine and Maritime Pine

Riofrío

Rı́o

Maguire

et al. 2019

Forests

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Models that incorporate known species-mixing effects on tree growth are essential tools to properly design silvicultural guidelines for mixed-species stands. Here, we developed generalized height–diameter (h-d) and basal area growth models for mixed stands of two main forest species in Spain: Scots pine (Pinus sylvestris L.) and Maritime pine (Pinus pinaster Ait.). Mixed-effects models were fitted from plot measurement and tree rings data from 726 Scots pine and 693 Maritime pine trees from mixed and pure stands in the Northern Iberian Range in Spain, with the primary objective of representing interactions between the species where they are interspersed in mixtures of varying proportions. An independent dataset was used to test the performance of the h-d models against models previously fitted for monospecific stands of both species. Basal area increment models were evaluated using a 10-fold block cross-validation procedure. We found that species mixing had contrasting effects on the species in both models. In h-d models, the species-mixing proportion determined the effect of species interactions. Basal area growth models showed that interspecific competition was influential only for Maritime pine; however, these effects differed depending on the mode of competition. For Scots pine, tree growth was not restricted by interspecies competition. The combination of mixed-effect models and the inclusion of parameters expressing species-mixing enhanced estimates of tree height and basal area growth compared with the available models previously developed for pure stands. Although the species-mixing effects were successfully represented in the fitted models, additional model components for accurately simulating the stand dynamics of mixtures with Scots pine and Maritime pine and other species mixtures require similar model refinements. Upon the completion of analyses required for these model refinements, the degree of improvement in simulating growth in species mixtures, including the effects of different management options, can be evaluated.

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Section: Tree Basal Area Growth Models Adapted To Mixed Standsmentioning

confidence: 99%

Section: Implication For Tree-level Model In Mixed Standsmentioning

confidence: 99%

Section: Implication For Tree-level Model In Mixed Standsmentioning

confidence: 99%

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Species Mixing Effects on Height–Diameter and Basal Area Increment Models for Scots Pine and Maritime Pine

Riofrío

Rı́o

Maguire

et al. 2019

Forests

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“…5 in Annex). Triplets belong to the network of permanent plots of the Sustainable Forest Management Research Institute UVa-INIA (iuFOR), and they have been previously used in a series of recent studies (Riofrío et al 2017a(Riofrío et al , b, 2019Cattaneo 2018;López-Marcos et al 2018.…”

Section: Study Sitesmentioning

confidence: 99%

Can mixed pine forests conserve understory richness by improving the establishment of understory species typical of native oak forests?

López-Marcos

Turrión

Bravo

et al. 2020

Annals of Forest Science

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& Key message A positive effect of mixed pine forests (Pinus sylvestris L. and Pinus pinaster Ait.) on the understory richness and tree regeneration was observed with respect to monospecific stands. Understory species typical of the native Pyrenean oak forests in the Iberian Peninsula contribute to maintaining high understory richness in such mixed pine forests. & Context The influence of stands characteristics on the understory in mixtures that combine coniferous tree species of the same genus deserves more study since they are frequent in Spain. & Aims To assess the effect of mixed versus monospecific stands of Pinus sylvestris L. and Pinus pinaster Ait. on the main tree species regeneration and understory species composition. & Methods Tree regeneration and understory species composition were inventoried in eighteen forest plots (6 triplets) in North-Central Spain. Each triplet consisted of two plots dominated either by Scots pine or Maritime pine and one mixed plot that contained both species. & Results The basal area (%) of both Pinus species was the only characteristic of the stands that significantly influenced the understory composition and tree regeneration. Characteristic species of humid and temperate zones, including P. sylvestris regeneration, dominated in Scots pine stands, and typical species of well-drained Mediterranean areas, including P. pinaster regeneration, dominated in Maritime pine stands. In mixed stands, the highest regeneration of the native Pyrenean oak with respect to monospecific stands was accompanied by understory species typical of native oak forests that share the same regeneration niche. & Conclusion Mixed pine forests allow the development of understory species better than monospecific forests.

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“…In this way, we have been able to analyze the inter and intra-interaction as a continuous variable and not based on pure and mixed stand assumptions as has been done traditionally (e.g. (Aldea, 2018;Cattaneo, 2018;del Río et al, 2019;Riofrío et al, 2017). Developing tree allometry models depending on intra-and inter-specific interaction is crucial when evaluating mixing effects (Forrester and Pretzsch 2015), as they allow upscaling of results from tree to stand level (del Río et al, 2019).…”

Section: Fitted Crown Modelsmentioning

confidence: 99%

Use of Terrestrial Laser Scanning (TLS) on crown and stem measuremntens in the survey and monitoring of mixed forests

Pérez¹

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Competencia, productividad y cambios a nivel de copas en bosques mixtos de pinos mediterráneos: señales a nivel del árbol individual

Cited by 3 publications

References 92 publications

Species Mixing Effects on Height–Diameter and Basal Area Increment Models for Scots Pine and Maritime Pine

Species Mixing Effects on Height–Diameter and Basal Area Increment Models for Scots Pine and Maritime Pine

Can mixed pine forests conserve understory richness by improving the establishment of understory species typical of native oak forests?

Use of Terrestrial Laser Scanning (TLS) on crown and stem measuremntens in the survey and monitoring of mixed forests

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