Miren del Rio

Miren del Rio
Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria | INIA · Forest Research Center INIA-CIFOR

DR.

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195
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Publications

Publications (195)
Article
Increasing species diversity is considered a promising strategy to mitigate the negative impacts of global change on forests. However, the interactions between regional climate conditions and species-mixing effects on climate-growth relationships and drought resistance remain poorly documented. In this study, we investigated the patterns of species...
Article
Full-text available
Abstract Climate change is increasing the severity and frequency of droughts around the globe, leading to tree mortality that reduces production and provision of other ecosystem services. Recent studies show that growth of mixed stands may be more resilient to drought than pure stands. The two most economically‐important and widely‐distributed tree...
Article
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How drought affects tree and stand growth is an old question, but is getting unprecedented relevance in view of climate change. Stress effects related to drought have been mostly studied at the individual tree level, mostly investigating dominant trees and using their responses as indicator for the impact at the stand level. However, findings at tr...
Article
Climate change impacts are an increasing threat to forests and current approaches to management. In 2020, Climate-smart Forestry (CSF) definition and set of indicators was published. This study further developed this work by testing the definition and indicators through a forest manager survey across fifteen member European countries. The survey co...
Poster
Full-text available
La cubicación y determinación de biomasa en pie en árboles extramaduros y de gran tamaño es esencial debido al gran valor y singularidad de estos ejemplares, en los que, con frecuencia, no es posible obtener autorización para realizar un estudio de su biomasa basado en métodos destructivos. En los últimos años, el uso de tecnologías avanzadas en el...
Conference Paper
Full-text available
La diversificación específica y estructural de las extendidas repoblaciones forestales españolas del Plan General de Repoblación Forestal de España es una de las materias pendientes en la gestión forestal, cuyo desarrollo es más importante si cabe en el contexto actual de cambio global. Las cortas de regeneración sobre repoblaciones protectoras de...
Conference Paper
Full-text available
El cambio global supone un nuevo reto para la gestión forestal, al tener que adaptarse los tratamientos de mejora y regeneración a las nuevas condiciones climáticas. Con el objetivo de valorar cómo están regenerando las masas naturales de Pinus sylvestris del Alto Iregua (La Rioja), se planteó el seguimiento de dos áreas, situadas en Villoslada y O...
Poster
Full-text available
La estimación de biomasa es un indicador de la productividad forestal y el stock de carbono. El Inventario Nacional de Emisiones de Gases de Efecto Invernadero (GEI) debe incluir las estimaciones de los denominados bosques de transición, desde su plantación hasta los 20 años. Las ecuaciones existentes actualmente para la estimación de biomasa están...
Article
Full-text available
Biomass models are key to the correct quantification of aboveground biomass and carbon stocks. Most of the current available sets of biomass models were developed for adult trees although very few have been employed to accurately estimate biomass during the first years of reforestations, despite the increasing number of reforestations over recent y...
Article
Full-text available
While the impacts of forest management options on carbon (C) storage are well documented, the way they affect C distribution among ecosystem components remains poorly investigated. Yet, partitioning of total forest C stocks, particularly between aboveground woody biomass and the soil, greatly impacts the stability of C stocks against disturbances i...
Article
Forest composed of Picea abies L., Abies alba Mill. and Fagus sylvatica L. cover a large area in the European mountain regions and have a high ecological and socio-economic importance as they supply many ecosystems services. Because of climate change, these forests are exposed to warming, and this effect increases with elevation, which may impact t...
Chapter
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Understanding tree and stand growth dynamics in the frame of climate change calls for large-scale analyses. For analysing growth patterns in mountain forests across Europe, the CLIMO consortium compiled a network of observational plots across European mountain regions. Here, we describe the design and efficacy of this network of plots in monospecif...
Chapter
Full-text available
This chapter addresses the concepts and methods to assess quantitative indicators of Climate-Smart Forestry (CSF) at stand and management unit levels. First, the basic concepts for developing a framework for assessing CSF were reviewed. The suitable properties of indicators and methods for normalization, weighting, and aggregation were summarized....
Chapter
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In this chapter, we review the current long-term growth trends and short-term growth reaction to single or repeated stress events on tree and stand level in Europe. Based on growth trend analyses, the chapter reveals the strong human footprint on forest ecosystems. First, we use long-term experiments and increment cores to show change in growth tre...
Article
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Background National and international institutions periodically demand information on forest indicators that are used for global reporting. Among other aspects, the carbon accumulated in the biomass of forest species must be reported. For this purpose, one of the main sources of data is the National Forest Inventory (NFI), which together with stati...
Article
Forests in Europe are, at present not endangered by soil erosion, however, this can change with climate change or intensified forest management practices. Using a newly established network of plots in beech forests across Europe, the aims of this study were 1) discrimination of soil properties and erodibility indices in relation to bedrock, 2) dete...
Article
Full-text available
Aboveground biomass quantification is essential for determining carbon stocks in forests. Multiple tree biomass models are available, but estimations can be biased outside the fitting range. This is due to the lack of data for larger trees, mainly because of the cost and time required. This study proposed a methodology based on tree crown biomass r...
Article
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Over recent decades, climate change has been particularly severe in the Mediterranean basin, where the intensity and frequency of drought events have had a significant effect on tree growth and mortality. In this context, differences in structural and physiological strategies between tree species could help to mitigate the damage inflicted by clima...
Article
Full-text available
Recent studies show that several tree species are spreading to higher latitudes and elevations due to climate change. European beech, presently dominating from the colline to the subalpine vegetation belt, is already present in upper montane subalpine forests and has a high potential to further advance to higher elevations in European mountain fore...
Article
Full-text available
Despite growing evidence that diverse forests play an important role in ecosystem functioning, ensuring the provision of different ecosystem services, whether such diversity improves their response to drought events remains unclear. In this study, we use a large tree-ring database from thirty case studies across nine European countries and eleven s...
Article
Full-text available
Mixed forests are suggested as a strategic adaptation of forest management to climate change. Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.) are tree species of high economic and ecological value for European forestry. Both species coexist naturally in a large part of their distributions but there is a lack of knowledg...
Article
Full-text available
Mixed-species stands have been found to be more productive than would be expected from the performance of their component species in monocultures due to facilitation and complementarity between species, although these interactions depend on the combination of species present. Our study focuses on monospecific and mixed-species stands of Scots pine...
Article
Tree species mixing of oak (Quercus petraea (Matt.) Liebl./Quercus robur L.) and pine (Pinus sylvestris L.) has been shown to have positive effects on ecosystem service provision. From a management perspective, however, it is still uncertain which thinning regime provides the highest possible productivity of mixed oak–pine forests in the long term....
Article
Mixed forests are usually associated with higher aboveground carbon storage compared to the corresponding monocultures but information on the impact of tree species mixing on soil organic carbon (SOC) is still limited. Yet, maximizing SOC storage is crucial for ecosystem C sequestration and many other ecosystem services. This study used a triplet a...
Article
Full-text available
Spruce-fir-beech mixed forests cover a large area in European mountain regions, with high ecological and socioeconomic importance. As elevation-zone systems they are highly affected by climate change, which is modifying species growth patterns and productivity shifts among species. The extent to which associated tree species can access resources an...
Article
Full-text available
Species complementarity by morphological and physiological trait differences could cause distinct temporal and spatial use of resources. Accordingly, mixed stands may enhance production, biodiversity and/or provide a better adaptation to future climate conditions. We aim to identify species differences in intra-annual stem radial variation patterns...
Article
Forecasted scenarios of climate change are expected to result in a dramatic reduction in the provision of Ecosystem Services (ES) from forests. Increasing tree species diversity has been proposed as a measure for adapting forests and warrantee the provision of services, since mixed forests, if compared with monospecific forests, are expected to be...
Article
Full-text available
The actual context of global change necessary leads to the application of adaptive silviculture techniques in forests. Nevertheless, the particular situation of several protective reforestations, in which an inadequate management jeopardizes its stability, makes them a priority nowadays. Although its ages are still far from rotation ages, regenerat...
Article
Crown dimensions such as diameter or crown projection area are important indicators for tree vigour, growing stage or production efficiency and can be used as proxies for the assessment of wood quality, leaf area and leaf biomass, biodiversity, wildlife habitat and disturbance risk to forest stability. Crown allometry can vary with site and competi...
Article
Full-text available
A higher frequency of increasingly severe droughts highlights the need for short-term measures to adapt existing forests to climate change. The maintenance of reduced stand densities has been proposed as a promising silvicultural tool for mitigating drought stress. However, the relationship between stand density and tree drought susceptibility rema...
Article
Full-text available
Past failures of monocultures, caused by wind-throw or insect damages, and ongoing climate change currently strongly stimulate research into mixed-species stands. So far, the focus has mainly been on combinations of species with obvious complementary functional traits. However, for any generalization, a broad overview of the mixing reactions of fun...
Article
Full-text available
Climate-Smart Forestry (CSF) is an emerging branch of sustainable forest management that aims to manage forests in response to climate change. Specific CSF strategies are viewed as a way forward for developing suitable management responses and enhancing the provision of ecosystem services. However, there is currently a lack of comprehensive and coh...
Article
Full-text available
In Europe, mixed mountain forests, primarily comprised of Norway spruce (Picea abies (L.) Karst.), silver fir (Abies alba Mill.), and European beech (Fagus sylvatica L.), cover about 10×10<sup>6</sup> ha at elevations between ~600–1,600 m a.s.l. They provide invaluable ecosystem services. However, the growth of these forests and the competition bet...
Conference Paper
Full-text available
Different studies undertaken in the Mediterranean basin have shown that the projected climate scenarios will modify forest dynamics. In this context, tree species interactions could be one of the factors susceptible to change, mainly due to the availability of the resources, with complementary effects during low-growth years and competition in high...
Conference Paper
Full-text available
Thinning treatment and mixed forest stands have been suggested as possible adaptation strategies to cope to climate change but there is scarce knowledge about the combination of both subjects. In this study, we aim to better understand the thinning effect and the growth differences on inter- and intra-annual cumulative radial increment patterns bet...
Article
Full-text available
Tree species mixing has been widely promoted as a promising silvicultural tool for reducing drought stress. However, so far only a limited number of species combinations have been studied in detail, revealing inconsistent results. In this study, we analysed the effect of mixing Scots pine and oak (pedunculate oak and sessile oak) trees on their dro...
Article
A wealth of recent research has improved our understanding of the structure, growth and yield of mixed-species stands. However, appropriate quantitative concepts for their silvicultural regulation remain scarce. Due to the species-specific stand densities, growing area requirements and potential over-density, the density and mixing regulation in mi...
Article
Full-text available
La gran superficie ocupada en España por repoblaciones protectoras con edades cercanas al turno exige abordar urgentemente su regeneración. El temperamento de luz de Pinus pinaster Ait. obliga a aplicar cortas continuas, justificadas selvícolamente pero que provocan impacto paisajístico y riesgo de erosión. Buscando conseguir regeneración suficient...
Article
There is concern in the scientific community and among forest managers about potential reductions in the provisioning of forest ecosystem services due to the loss of tree species diversity. Many studies have shown how species diversity influences forest functioning, especially productivity, but the influence of structural diversity, such as tree si...
Conference Paper
El escenario actual de cambio climático hace que la estimación de la producción de biomasa y fijación de stocks de carbono sea un aspecto clave en las diferentes especies forestales. Durante muchos años se han ajustado modelos alométricos con mayor o menor capacidad de predicción para diferentes especies. Sin embargo, la mayoría de ellos presentan...
Article
The pattern that a given tree species suffers less damage when growing with heterospecific neighbors than amongst conspecific plants, i.e. associational resistance, is common for insect herbivores and many fungal pathogens. However, associational resistance to parasitic plants has never been tested in a replicated study. Using paired forest plots,...
Article
The generation of projections under different climate scenarios and stand conditions provides a useful tool to explore the consequences of climate change on ecosystem dynamics and to define possible interventions to ensure their persistence over time. Over recent decades, climate change has been particularly severe in the Mediterranean basin, where...
Article
Full-text available
Mixed mountain forests of European beech (Fagus sylvatica L.), Norway spruce (Picea abies (L.) Karst), and silver fir (Abies alba Mill.) cover a total area of more than 10 million hectares in Europe. Due to altitudinal zoning, these forests are particularly vulnerable to climate change. However, as little is known about the long-term development of...
Article
Full-text available
National Forest Inventories (NFIs) are the primary source of information to fulfill international requirements, such as growing stock volume. However, NFI cycles may be “out of phase” in terms of the information required, so prediction techniques are needed. To disentangle the effects of climate and competition on stand productivity and to estimate...
Article
Full-text available
Aim of study: Modelling of forest growth and dynamics has focused mainly on pure stands. Mixed-forest management lacks systematic procedures to forecast the impact of silvicultural actions. The main objective of the present work is to review current knowledge and forest model developments that can be applied to mixed forests. Material and methods:...
Article
Full-text available
Recent research undertaken in Mediterranean pine forests suggests that the establishment of Pinus pinea L. and Pinus pinaster Ait. natural regeneration is determined by different spatial and temporal factors. In this context, we analyzed the establishment and success of natural regeneration in these two species and we examined the hypothesis that t...
Article
Full-text available
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 (Pinu...
Poster
Full-text available
The southeast of Spain is a region where climate change is more pronounced. The increase in temperatures has been one of the highest in Spain; from 1972 summer and spring temperatures have increased more than 3°C and summer rainfall has decreased significantly. In this context, how the forests are responding is a relevant question. We have studied...
Article
Full-text available
Key message Crown, height and stem allometry vary with stand density and species composition, the plasticity in response to inter- and intra-specific competitions being related to species shade tolerances. Abstract Determining the way in which variability in tree allometry is modulated by intra- and inter-specific competitions in different species...
Article
Full-text available
In this review, the unique features and facts of long-term experiments are presented. Long-term experimental plots provide information of forest stand dynamics which cannot be derived from forest inventories or small temporary plots. Most comprise unthinned plots which represent the site specific maximum stand density as an unambiguous reference. B...
Chapter
Full-text available
Muchas especies forestales tienen en los ecosistemas de montaña de la Península Ibérica su límite de distri-bución meridional. Es previsible que estas poblaciones se encuentren entre las más sensibles a los cambios y las perturbaciones del clima. Con el objetivo de conocer la influencia del clima sobre el crecimiento de estas poblaciones, para ver...
Article
Full-text available
Over recent decades, forest management in Europe has increasingly moved towards the emulation of natural dynamics. Natural dynamics in beech-oak forests leads to the formation of monospecific beech stands, the oak usually being excluded or restricted to sites with poor growing conditions. However, beech is more vulnerable than oak to drought and hi...
Chapter
Full-text available
Currently, about 70% of the forest land in Europe is covered by stands composed of two or more tree species. The similar situation can be found outside Europe too. While forest management of monocultures is well described, multispecies forests still need a better understanding to develop appropriate forest practice. Managing mixed forests can be mo...