Emilia Gutiérrez

Emilia Gutiérrez
University of Barcelona | UB · Department of Ecology

PhD

About

224
Publications
103,465
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Introduction
Emilia Gutiérrez currently professor at the Department of Ecology, University of Barcelona where she leads the research group on dendroecology and forest dynamics. Her Ph.D thesis on dendroecology was the first one in Spain. She has promoted research in dendroecology in Spain, has directed national and international research projects and has directed the PH.D and master thesis to many of the Spanish dendroecologists.
Additional affiliations
January 2011 - present
Helmholtz-Zentrum für Umweltforschung
January 2009 - present
January 2007 - present

Publications

Publications (224)
Article
Tree‐ring data has been widely used to inform about tree growth responses to drought at the individual scale, but less is known about how tree growth sensitivity to drought scales up driving changes in forest dynamics. Here, we related tree‐ring growth chronologies and stand‐level forest changes in basal area from two independent datasets to test i...
Article
Full-text available
The Mediterranean region is expected to be highly impacted by global warming, although the uncertainty of future scenarios, particularly about precipitation patterns remains quite large. To better predict shifts in its current climate system and to test models, more regional climate records are needed spanning longer than the instrumental period. H...
Article
Full-text available
Temperature and precipitation variability throughout the year control the intra-annual dynamics of tree-ring formation. Physiological adaptation of trees to climate change is among the key issues to better understand and predict future forest performance and composition. In this study, we investigated the species’ coexistence and performance of Sco...
Article
This is the first Europe-wide comprehensive assessment of the climatological and physiological information recorded by hydrogen isotope ratios in tree-ring cellulose (δ²Hc) based on a unique collection of annually resolved 100-year tree-ring records of two genera (Pinus and Quercus) from 17 sites (36°N to 68°N). We observed that the high-frequency...
Preprint
Full-text available
The Mediterranean is one of the regions of the world where human-induced climate warming is expected to have large impacts on water and environmental resources. To predict shifts in the current climate system, more regional climate records, including seasonal-to-century scale variability spanning longer than the instrumental periods, are needed. To...
Article
Full-text available
1. Resilience of endangered rear edge populations of cold‐adapted forests in the Mediterranean basin is increasingly altered by extreme heatwave and drought pressures. It remains unknown, however, whether microclimatic variation in these isolated forests could ultimately result in large intra‐population variability in the demographic responses, all...
Article
Mediterranean tree species have evolved to face seasonal water shortages, but may fail to cope with future increases in drought frequency and intensity. We investigated stem radial increment dynamics in two typical Mediterranean tree species, Aleppo pine (Pinus halepensis), a drought-avoiding species, and holm oak (Quercus ilex), a drought-tolerant...
Article
Climate warming is expected to positively alter upward and poleward treelines which are controlled by low temperature and a short growing season. Despite the importance of treelines as a bioassay of climate change, a global field assessment and posterior forecasting of tree growth at annual scales is lacking. Using annually resolved tree‐ring data...
Article
Full-text available
There is a lack of knowledge on how tree species respond to climatic constraints like water shortages and related atmospheric patterns across broad spatial and temporal scales. These assessments are needed to project which populations will better tolerate or respond to global warming across the tree species distribution range. Warmer and drier cond...
Article
The negative impacts of drought on forest growth and productivity last for several years generating legacies, although the factors that determine why such legacies vary across sites and tree species remain unclear. We used an extensive network of tree‐ring width (RWI, ring‐width index) records of 16 tree species from 567 forests, and high‐resolutio...
Article
Full-text available
El combustibles el único componente del triángulo de comportamiento del fuego que puede ser manipulado en quemas prescritas para la prevención de grandes incendios forestales, por ello estimar las cargas de combustible permitirá diseñar estrategias para el manejo de los recursos forestales. Se determinaron 15 sitios de muestreo de manera aleatoria...
Article
Full-text available
Fuel is the only component of the triangle of fire behavior that can be manipulated in prescribed burns for the prevention of large forest fires, so estimating fuel loads will allow designing strategies for the management of forest resources. Fifteen sampling sites were determined in a random manner for the measurement of fuels 1, 10, 100 and 1 00...
Article
A shift from temperature-limited to water-limited tree performance is occurring at around 60°N latitude across the circumboreal biome, in concord with current warming trends. This shift is likely to induce extensive vegetation changes and forest die-back, and also to exacerbate biotic outbreaks and wildfires, affecting the global carbon budget. We...
Article
- Key message. Annual radial growth and latewood formation increase during the period 1966–2015 in Larix cajanderi Mayr. and Pinus sylvestris L. along a latitudinal gradient on Siberian permafrost. Warmer temperatures and precipitation at the onset of the growth season favor growth in both species. - Context. A vast area of Siberian boreal forest i...
Conference Paper
Full-text available
Increasing temperatures, hotter and more frequent droughts and climate variability in western Mediterranean Basin are causing tree dieback episodes, high mortality rates and reduction in tree recruitment in southeastern Spain. The forests of two of the most drought resistant Mediterranean species, Pinus halepensis and Pinus pinea, do show forest di...
Article
This study links tree-ring growth and gross primary production for a variety of forest types under different environmental conditions across Spain. NOAA-AVHRR satellite imagery data were combined with dendrochronological records and climate data at a fine spatial resolution (1.21 km2) to analyze the interannual variability of tree-ring growth and v...
Article
Full-text available
Warming-related growth decrease on southern Fagus sylvatica forests has been observed in different regions; however, whether it is a generalized fact or not remains unclear. Here we investigate the geographical pattern on growth response of the southwestern European beech forests to the warming climate shift which started in the 1980s. We sampled 1...
Article
Climate warming is responsible for observed reduction in snowpack depth and an earlier and faster melt-out in many mountains of the Northern Hemisphere. Such changes in mountain hydroclimate could negatively affect productivity and tree growth in high-elevation forests, but few studies have investigated how and where recent warming trends and chang...
Article
The effects of climate change on forest growth are not homogeneous across tree species distribution ranges because of inter-population variability and spatial heterogeneity. Although latitudinal and thermal gradients in growth patterns have been widely investigated, changes in these patterns along longitudinal gradients due to the different timing...
Article
Aim The aim was to decipher Europe‐wide spatio‐temporal patterns of forest growth dynamics and their associations with carbon isotope fractionation processes inferred from tree rings as modulated by climate warming. Location Europe and North Africa (30‒70° N, 10° W‒35° E). Time period 1901‒2003. Major taxa studied Temperate and Euro‐Siberian tre...
Article
Full-text available
EL “PI DE LA BASSA” Y EL “PINO DE LA LUZ” ESTUDIO DE LOS ANILLOS (TREE-RINGS) EN DOS ÁRBOLES SINGULARES Pinus halepensis Mill. es una de las especies forestales exclusivas de la cuenca mediterránea occidental más resistente a la sequía y, por ende, con una gran capacidad para establecerse en zonas con climas áridos y semiáridos donde el establecimi...
Article
The mechanisms translating global circulation changes into rapid abrupt shifts in forest carbon capture in semi‐arid biomes remain poorly understood. Here we report unprecedented multidecadal shifts in forest carbon uptake in semi‐arid Mediterranean pine forests in Spain over 1950‐2012. The averaged carbon sink reduction varies between 31‐37%, and...
Article
Many European temperate tree species reach their southern distribution limits in the Mediterranean region, and ongoing climate change will further restrict their climatic niche in this area. In this study, we investigated the effects of forest management and climate change on tree growth and the spatial extension of a silver fir forest (Abies alba...
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
High-latitude terrestrial ecosystems are crucial to the global climate system and its regulation by vegetation. Since productivity of boreal forests is much limited by low summer temperatures, it is expected that trees subjected to warming are progressively decreasing their regional growth coherence in the last decades. In this study, we used a com...
Article
Full-text available
La sécheresse et le dépérissement du cèdre de l'Atlas (Cedrus atlantica Manetti) dans le massif du Belezma (Algérie) Pour citer cet article : Kherchouche D, Kalla M, Gutierrez E, Briki A, Hamchi A, 2013. La sécheresse et le dépérissement du cèdre de l'Atlas (Cedrus atlantica Manetti) dans le massif du Belezma (Alg erie). Sécheresse 24 : 129-37.
Article
Full-text available
Treeline ecotones are considered early-warning monitors of the effects of climate warming on terrestrial ecosystems, but it is still unclear how tree growth at treeline will track the forecasted temperature rise in these cold environments. Here, we address this issue by analysing and projecting growth responses to climate on two different cold-limi...
Article
Understanding how climate has modulated forest growth and composition in the past is necessary to predict the influence of the ongoing climate warming on the dynamics of mountain forests. We studied the past dynamics of subalpine Pyrenean forests during the last 700 years by assessing the relationships between sedimentary pollen and tree-ring recor...
Article
Climate reconstructions based on tree-ring features rely on the assumption that growth drivers are mainly meteorological variables. Consequently, annually resolved and absolutely dated temperature reconstructions in high-elevation conifer forests are mainly based on tree-ring width (TRW) and maximum wood density (MXD). However, long-term and annual...
Article
Drought is one of the key natural hazards impacting net primary production and tree growth in forest ecosystems. Nonetheless, tree species show different responses to drought events, which make it difficult to adopt fixed tools for monitoring drought impacts under contrasting environmental and climatic conditions. In this study, we assess the respo...
Article
Drought is one of the key natural hazards impacting net primary production and tree growth in forest ecosystems. Nonetheless, tree species show different responses to drought events, which make it difficult to adopt fixed tools for monitoring drought impacts under contrasting environmental and climatic conditions. In this study, we assess the respo...
Article
Dendrochemical studies in old forests are still underdeveloped. Old trees growing in remote high-elevation areas far from direct human influence constitute a promising biological proxy for the long-term reconstructions of environmental changes using tree-rings. Furthermore, centennial-long chronologies of multi-elemental chemistry at inter- and int...
Article
Full-text available
Key message A systematic assessment of spatial synchrony in tree growth, a fundamental feature of spatiotemporal forest dynamics, can provide valuable insights into complex tree reactions across species and environmental gradients. Abstract The concept of spatial synchrony in ecology refers to the presence of coordinated time fluctuations in certa...
Article
In Mediterranean climates, bimodal growth patterns, corresponding to two peaks in radial increment during favorable seasons, have been described in several tree species. However, we lack a better mechanistic understanding of bimodality and its potential responses to the predicted warming and aridification trends. Filling this research gap is import...
Article
Forecasted increase drought frequency and severity may drive worldwide declines in forest productivity. Species-level responses to a drier world are likely to be influenced by their functional traits. Here, we analyse forest resilience to drought using an extensive network of tree-ring width data and satellite imagery. We compiled proxies of forest...
Article
Warmer and drier climatic conditions are projected for the 21st century; however, the role played by extreme climatic events on forest vulnerability is still little understood. For example, more severe droughts and heat waves could threaten quaternary relict tree refugia such as Circum-Mediterranean fir forests (CMFF). Using tree-ring data and a pr...
Article
Full-text available
In forests, the increase of atmospheric CO2 concentrations (Ca) has been related to enhanced tree growth and intrinsic water-use efficiency (iWUE). However, in drought-prone areas such as the Mediterranean Basin it is not yet clear to what extent this ‘fertilizing’ effect may compensate for drought-induced growth reduction. We investigated tree gro...
Article
Growth of old trees in cold-limited forests may benefit from recent climate warming and rising atmospheric CO2 concentrations (ca) if age-related constraints do not impair wood formation. To test this hypothesis, we studied old Mountain pine trees at three Pyrenean high-elevation forests subjected to cold-wet (ORD, AIG) or warmer-drier (PED) condit...
Article
Mediterranean climate promotes two distinct growth peaks separated by summer quiescence in trees. This bimodal pattern has been associated to favourable growing conditions during spring and autumn when mild temperatures and soil-water availability enhance cambial activity. Climatic models predict progressive warming and drying for the Mediterranean...
Article
Climate influences wood density and this relationship affects the ability of conifer forests to uptake and store carbon. Some conifer species can show mixed responses to long-term climate variability in their within-ring width and density patterns. Here we analyze if tree-ring width and density differently respond to seasonal climate variability in...
Article
Full-text available
Tree rings are natural archives that annually record distinct types of past climate variability depending on the parameters measured. Here, we use ring-width and stable isotopes in cellulose of trees from the northwestern Iberian Peninsula (IP) to understand regional summer hydroclimate over the last 400 years and the associated atmospheric pattern...
Article
Full-text available
Forest performance is challenged by climate change but higher atmospheric [CO2 ] (ca ) could help trees mitigate the negative effect of enhanced water stress. Forest projections using data-assimilation with mechanistic models are a valuable tool to assess forest performance. Firstly, we used dendrochronological data from 12 Mediterranean tree speci...
Article
Full-text available
Alpine treeline ecotones are considered early-warning monitors of the effects of climate change on terrestrial ecosystems, but it is still unclear how accurately treeline dynamics may track the expected temperature rises. Site-specific abiotic constraints, such as topography and demographic trends may make treelines less responsive to environmental...
Presentation
Full-text available
Deciphering large-scale spatiotemporal patterns of tree performance is essential to forecast global responses of forest ecosystems to environmental changes and their function as carbon sinks. Long-term information can be gained through the analysis of stable isotopes in tree rings as surrogates of plant carbon and water economies. We characterized...
Article
Overlaid to a general reduction of European beech and sessile oak tree growth over the recent decades in the Mediterranean Basin, tree-ring records from western Mediterranean populations display a stronger growth decrease than eastern populations. We investigate here to what extent the impact of sustained atmospheric circulation patterns in summert...
Article
Full-text available
Climate warming increases vulnerability to drought in Mediterranean water-limited forests. However, we still lack knowledge of the long-term physiological responses of coexisting pine species in these forests regarding their ability to cope with warming-induced drought stress. We investigated spatiotemporal patterns of tree performance for five iso...
Conference Paper
Full-text available
High-mountain ecosystems are very sensitive to climatic changes. The natural variability of ecosystems and their response to past changes can be studied using the sedimentary records of mountain lakes. This provides essential knowledge to understand the shifts that take place in ecosystems as a result of current climate change. In order to investig...
Chapter
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RESUMEN Reconstruir la historia de los bosques ayuda a planificar su gestión futura bajo escenarios climáticos y de uso muy diferentes de los pasados. Presentamos resultados aplicando esta idea a los bosques pire-naicos, combinando la paleoecología y la dendrocronología. La paleoecología permitió cuantificar la variabilidad local y regional del cli...
Article
Growth models can be used to assess forest vulnerability to climate warming. If global warming amplifies water deficit in drought-prone areas, tree populations located at the driest and southernmost distribution limits (rear-edges) should be particularly threatened. Here we address these statements by analyzing and projecting growth responses to cl...
Research
Full-text available
The TRACE 2015 conference was held on 20-23 May 2015 in Sevilla, Spain. This was the first TRACE in the Iberian Peninsula. It was organized by the University Pablo de Olavide (UPO) and the Association for Tree-ring Research (ATR), in collaboration with Pyrenean Institute of Ecology-Spanish National Research Council (IPE-CSIC), University of Barcelo...
Article
Neotropical dry forests (TDFs) are characterized by a dry season which allows some tree species forming annual rings. In TDFs the study of tree rings using dendrochronology involves their identification, dating and measurement. In this way, we gain a retrospective view of tree growth at a temporal scale in agreement with tree longevity. Having a go...
Article
Full-text available
Although solar radiation at the surface plays a determinant role in carbon discrimination in tree rings, stable carbon isotope chronologies (δ13C) have often been interpreted as a temperature proxy due to the co-variability of temperature and surface solar radiation. Furthermore, even when surface solar radiation is assumed to be the main driver of...
Technical Report
Full-text available
This publication is a result of the 14th TRACE conference (Tree Rings in Archaeology, Climatology and Ecology) organized by the Department Physical, Chemical and Natural Systems of the University Pablo de Olavide (UPO) and the Association for Tree-ring Research (ATR), in collaboration with Pyrenean Institute of Ecology-Spanish National Research Cou...
Conference Paper
Full-text available
Nowadays the synergetic efforts of different scientific disciplines or interdisciplinary research and applicative work help to resolve many issues in a more effective manner. The environmental problems appeared to be more conscious for humankind during last century showed this connection between different areas (economy and industrial growth, ecolo...
Article
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The Ordesa and Monte Perdido National Park and the Pyrenean Institute of Ecology (CSIC) recently joined the Spanish LTER network. As part of our strategy to understand recent changes in this protected area, we are carrying out a number of projects to evaluate changes at different spatiotemporal scales, using a variety of methods and approaches. We...
Article
Codispersion analysis allows us to detect and describe relatively subtle changes in bivariate relationships across environmental gradients, which is something that has traditionally been hard to tackle with spatial pattern analysis. When combined with null models, we can test how unexpected these observed patterns are. Our ongoing research is explo...
Article
Full-text available
Assessing the effects of climate on leaf phenology and xylem development will improve our understanding of how wood formation and carbon uptake occur in tropical tree species. Wood formation depends on how tree stems enlarge, shrink or swell at multiple temporal scales. To address these issues we analyzed climate data, leaf phenology, xylogenesis a...
Article
Full-text available
Forests play a key role in the carbon balance of terrestrial ecosystems. One of the main uncertainties in global change predictions lies in how the spatiotemporal dynamics of forest productivity will be affected by climate warming. Here we show an increasing influence of climate on the spatial variability of tree growth during the last 120 y, ultim...