David Candel-Pérez

David Candel-Pérez
Universidad de Valladolid | UVA · Instituto Universitario de Investigación en Gestión Forestal Sostenible

Forestry and Agricultural Engineer

About

34
Publications
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Introduction
David Candel-Pérez currently works at the Departamento de Ciencias del Medio Natural, Universidad Pública de Navarra. David does research in Genetics, Evolutionary Biology and Molecular Biology. Their current project is 'GEPRIF (geprif.agripa.org)'.

Publications

Publications (34)
Article
Droughts chronically alter resource availability in forest ecosystems. The increased frequency and severity of such extreme climate events challenge the acclimation potential of tree species especially across the drought-prone Mediterranean region. Pinus nigra is a widely distributed tree species in the Mediterranean region and considered vulnerabl...
Article
Full-text available
Drought negative effects on forest ecosystems are projected to increase under global warming all over the world. On this context, forest management can be an effective option for reducing drought impacts and increasing tree growth stability to extreme drought events. Here, we aim to evaluate black pine (Pinus nigra subsp. salzmannii) growth respons...
Article
Full-text available
The magnitude of drought impact in forest ecosystems depends on which group of trees are more severely affected; greater mortality of smaller trees can modulate the trajectories of succession, while the mortality of larger trees can disproportionately offset the ecosystem’s carbon balance. Several studies have documented a greater vulnerability of...
Article
Full-text available
Spanish black pine ( Pinus nigra Arn ssp . salzmannii ) is the most widely distributed pine species in mountain areas of the Mediterranean Basin and is commonly used for afforestation in endangered and degraded areas. Despite its importance, little is known regarding the factors driving seedling survival for this species, which may hamper afforesta...
Chapter
Climate change is having impacts on the biodiversity and structure of many ecosystems. In this chapter, we focus on its impacts on forests. We will focus on how the potential climate change impacts on forest biodiversity and structure will have a reflection on the ecosystem services provided by forests, and therefore on the capacity of these ecosyst...
Conference Paper
Full-text available
The promotion of mixed forests represents an adaptation strategy in forest management to cope with climate change. The mixing of tree species with complementary ecological traits may modify forest functioning regarding productivity, stability, or resilience against disturbances. Litter decomposition is an important process for global carbon and nut...
Article
Full-text available
El cambio climático, la expansión urbanística o el aumento del uso recreativo en zonas forestales están aumentando la probabilidad de ocurrencia de incendios forestales. Las comunidades rurales pueden afrontar la oportunidad de combinar actividades silvícolas para reducir el riesgo de incendios con el desarrollo energético basado en el aprovechamie...
Article
The link among the age of aboveground tree species, litter, soil quality and status in Mediterranean forests is not entirely comprehended (especially in Mediterranean forest sites). This study evaluates whether and by what extent tree stand composition and forest structure modify nutrient depository or alter physical, chemical and microbiological p...
Article
The intentional movement of tree genotypes, or assisted migration, is an operational approach proposed to adapt forest management to climate change. Assisted migration assumes that tree populations are locally adapted to environmental conditions, but this fact should be tested specifically. In this study, both a reciprocal transplant and a common g...
Article
Full-text available
Density is an important wood mechanical property and an indicator of xylem architecture and hydraulic conductivity. It can be influenced by forest management and climate. We studied the impact of thinning and climate variables on annual stem radial growth (ring width and ring density, and their earlywood and latewood components) in two contrasting...
Article
Full-text available
La gestión de bosques mixtos se ha convertido en una estrategia de adaptación para reducir los riesgos relacionados con el cambio climático. A su vez, los modelos ecológicos pueden ser una herramienta útil para el estudio del crecimiento y la productividad de dichas masas. En este trabajo se presenta una evaluación de la capacidad del modelo híbrid...
Article
Full-text available
Current decreasing precipitation and increasing temperatures promote the likelihood of extreme drought events and may alter the recruitment capacities of tree species. Spanish black pine (Pinus nigra ssp. salzmannii) initial recruitment is being one of the most affected pine species by changing conditions with alterations in the future species dist...
Article
Full-text available
Initial seedling recruitment is one of the most critical stages for plants in the Mediterranean basin. Moreover, wildfires and post-fire environmental conditions might deteriorate regeneration success, which can lead to problems for sustainable forest restoration and forest persistence. On this context, different seed origins and pine species may b...
Article
Forest sustainability depends on reliable tree regeneration but seedling survival is affected by climate change and disturbance. Based on seed introduction experiments, we compared recruitment of native pine species in central Spain in totally burned, thinned, and dense stands of Spanish black pine (Pinus nigra Arn. ssp salzmannii). Seed sources in...
Article
The study tested the hypothesis that future changes in the composition of tree communities, as predicted by species distribution models, could already be apparent in the current regeneration patterns of three pine species (Pinus pinaster, P. nigra and P. sylvestris)inhabiting the central-eastern mountains of Spain. We carried out both an observatio...
Article
Prescribed fire has been widely used as a fuel reduction tool and silvicultural treatment in Mediterranean forest ecosystems. However, other than the fact that fire may alter microsite conditions, little is known about the impact of prescribed burning on the natural regeneration of Spanish black pine (Pinus nigra Arn. ssp. salzmanii). In this study...
Article
This study aimed to investigate the effects that stand age and forest structure have on microbiological soil properties, enzymatic activities and nutrient content. Thirty forest compartments were randomly selected at the Palancares y Agregados managed forest area (Spain), supporting forest stands of five ages; from 100 to 80years old to compartment...
Article
Key messageShrub cover has visible effects onPinus nigraArn ssp.salzmanniiseedling emergence, but only in drier years under moderate basal area (25–30 m2 ha−1). In the wetter year, shrub cover favours seedling survival without basal area influence. ContextShrubs are known to favour tree seedling recruitment in difficult climate environments, but fa...
Article
The management of maritime pine in fire-prone habitats is a challenging task and fine-scale population genetic analyses are necessary to check if different fire recurrences affect genetic variability. The objective of this study was to assess the effect of fire recurrence on maritime pine genetic diversity using inter-simple sequence repeat markers...
Article
Full-text available
In semi-arid regions, afforestation with fast-growing species cultured with low irrigation can be an effective approach for environmental protection. An experiment was conducted to evaluate the stem biomass production of Paulownia in a semi-arid climate and clay soils under contrasting low-irrigation and fertilization treatments. The stem biomass a...
Chapter
Management strategies should focus on ecosystem persistence and an adequate degree of ecosystem stability. A detailed understanding of the laws and processes which determine the ecosystem dynamics is essential if well adjusted management plans are to be developed. This includes a good understanding of natural regeneration processes, so that natural...
Article
Full-text available
Eight Pinus nigra Arn. populations from Southern Spain and Northern Morocco were examined using inter-simple sequence repeat markers to characterize the genetic variability amongst populations. Pair-wise population genetic distance ranged from 0.031 to 0.283, with a mean of 0.150 between populations. The highest inter-population average distance wa...
Article
Full-text available
La disminución de las precipitaciones y el incremento de la temperatura registrados en las últimas décadas, junto con el aumento de la probabilidad de ocurrencia de eventos extremos de sequía, hacen muy probable una mayor vulnerabilidad de las poblaciones forestales mediterráneas. Sin embargo, el impacto de los diferentes escenarios climáticos prev...
Article
Full-text available
Current decreasing precipitation and increasing temperatures, together with the growing likelihood of extreme drought events, may heighten the vulnerability of several tree populations in Mediterranean areas. In this study, we analysed tree-ring-width chronologies of three coexisting pine species (Pinus nigra Arn., Pinus pinaster L., and Pinus sylv...
Article
There are still considerable uncertainties about soil functioning in semi-arid Mediterranean ecosystems. Hence, studies that have focused on Juniperus species in thermophilic Mediterranean woodlands are practically non-existent. This study provides a survey of the effects of (i) woodland maturity (mature and young woodlands), (ii) vegetation cover...
Article
The aim of this work was to examine the effect of pine forests on the soil microbial community along an altitudinal gradient in the Cuenca Mountains, Spain. Six experimental forest areas and two tree diversity levels (monospecific and mixed pine forest) were selected according to the following types: (i) at lower altitudes (up to 960 m above sea le...
Article
Full-text available
Aims We investigated the link between tree community composition and soil microbial community biomass and structure in central-eastern Spain. Methods The effects of the forest stand composition on the soil organic matter dynamics and on the structure and activity of the soil microbial community have been determined using phospholipid fatty acid pr...
Article
Full-text available
Silvicultural treatments imply the felling of trees, which can modify species composition and structural diversity. Consequently, it is important to assess the influence of silvicultural treatments on forest composition and structure. The principal objective of this study was to analyze changes in the composition and structural diversity of two for...
Article
Full-text available
Soil storage method may alter enzymatic activity being storage conditions of the soil samples prior to analysis decisive for the results. Studies made on freshly collected soils are generally preferred. However it is always not possible due to practical reasons since for example sampling is often restricted to short period of the year or because a...

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Projects

Projects (4)
Project
Project PROWARM (PID2020-118444GA-I00) funded by the MCIN/ AEI /10.13039/501100011033 Global warming is expected to increase the impacts of insect herbivores but… what climatic factors increase the incidence in complex organisms such as those that undergo metamorphosis? Are the dynamics homogeneous throughout the species distribution range? or how do trees progressively modify their hydraulic system and the patterns of water and carbon acquisition and use in response to defoliations? PROWARM project aims to address these questions in the case of the pine processionary moth (PPM), the most important defoliating insect in the Mediterranean Basin. PROWARM evaluates the PPM-climate and PPM-host interactions to understand the spatio-temporal changes in PPM defoliations. We will combine tree-ring and remote-sensing based information and Artificial Intelligence to reconstruct and analyse the PPM dynamics across the species distribution area. We will also track the PPM incidence on host functioning by measuring gas exchange and photosynthetic activity, through in-situ ecophysiological measurements, stable isotopes, and drone flights.
Archived project
European forestry is fast evolving as forests could experience in the near future important changes in climate and also in management, which is moving from timber production to values such as bioenergy, carbon sequestration, biodiversity, and others. These factors could change the suitability of traditional forestry in Scots pine forests, which cover important areas in Europe. This project´s objectives are: 1) To characterize past and estimate future effects of forest management and climate change on carbon and nutrient budgets in Pinus sylvestris stands in SW Europe, to support sustainable forestry that maximizes nutrient and carbon use efficiency and therefore tree growth; 2) To develop, evaluate and apply reliable ecologically-based mathematical models that can be applied in forest management, to study interactions among elevated atmospheric CO2, tree growth, and limiting nutrients and moisture. To achieve these objectives the project will be implemented in three stages: 1) Field and archival samples form experimental plots in Scot pine stands in northern Spain will be used to analyse connections between soil, leaf and stem nutrient status in the last 17 years. The magnitude of ecosystem biomass and nutrient pools will be estimated to calculate the historical change of nutrient use efficiency by pines. Historical leaf nutrient use efficiency (NUE) will be estimated through leaf area scanning combined with chemical analysis. Stem water and nutrient status will be estimated by wood scanning combined with techniques discriminating isotopes of carbon and nitrogen. 2) The ecosystem model FORECAST-Climate will be calibrated, validated, and used as a virtual lab to test the relative importance of nutrient, water, and CO2 availability on tree growth. 3) A battery of climate change (temperature, precipitation and CO2 concentration) and forest management scenarios will be simulated to assess their long-term consequences and provide guidelines on the potential consequences of each management option.
Archived project
Main objectives: -Obtain new systems for quantifying forest fuels - Integrated evaluation of preventive treatments of forest fuels to reduce fire severity - Estimate the difficulty of fire suppression and mop up, and operational capabilities along with the influence of smoldering phase on soil burn severity - Predict the potential severity of forest fires and the effects of preventive treatments to determine priority areas for action, both preventive and post-fire rehabilitation - Assess the most important actions of post-fire restoration and testing new biodegradable materials for reducing post-fire erosion risk - Evaluate the economic efficiency of prevention, suppression and rehabilitation