Jaime Martínez‐Valderrama

ORCID: 0000-0001-5859-5674
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About
Contact & Profiles
Research Areas
  • Rangeland Management and Livestock Ecology
  • Ecology and Vegetation Dynamics Studies
  • Soil erosion and sediment transport
  • Land Use and Ecosystem Services
  • Water resources management and optimization
  • Sustainable Agricultural Systems Analysis
  • Climate change impacts on agriculture
  • Remote Sensing in Agriculture
  • Historical and socio-economic studies of Spain and related regions
  • Species Distribution and Climate Change
  • Agroforestry and silvopastoral systems
  • Ecosystem dynamics and resilience
  • Mediterranean and Iberian flora and fauna
  • Wildlife Ecology and Conservation
  • Plant Water Relations and Carbon Dynamics
  • Rangeland and Wildlife Management
  • Agriculture and Rural Development Research
  • Environmental and Ecological Studies
  • Hydrology and Watershed Management Studies
  • Animal Diversity and Health Studies
  • Conservation, Biodiversity, and Resource Management
  • Agriculture Sustainability and Environmental Impact
  • Irrigation Practices and Water Management
  • Plant and soil sciences
  • Flood Risk Assessment and Management

University of Alicante
2019-2025

Estacion Experimental de Zonas Aridas
2015-2025

Consejo Superior de Investigaciones Científicas
2008-2023

Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
2011

Instituto de Carboquímica
2000

Fernando T. Maestre Yoann Le Bagousse‐Pinguet Manuel Delgado‐Baquerizo David J. Eldridge Hugo Saíz and 95 more Miguel Berdugo Beatriz Gozalo Victoria Ochoa Emilio Guirado Miguel García‐Gómez Enrique Valencia Juan Gaitán Sergio Asensio Betty J. Mendoza César Plaza Paloma Díaz‐Martínez Ana Rey Hang‐Wei Hu Ji‐Zheng He Juntao Wang Anika Lehmann Matthias C. Rillig Simone Cesarz Nico Eisenhauer Jaime Martínez‐Valderrama Eduardo Moreno‐Jiménez Osvaldo E. Sala Mehdi Abedi Negar Ahmadian Concepción L. Alados Valeria Aramayo Fateh Amghar Tulio Arredondo Rodrigo J. Ahumada Khadijeh Bahalkeh Farah Ben Salem Niels Blaum Bazartseren Boldgiv Matthew A. Bowker Donaldo Bran Chongfeng Bu Rafaella Canessa Andrea P. Castillo‐Monroy Helena Castro Ignacio Castro Patricio Castro-Quezada Roukaya Chibani Abel Augusto Conceição Courtney M. Currier Anthony Darrouzet‐Nardi Balázs Deák David A. Donoso Andrew J. Dougill Jorge Durán Erdenetsetseg Batdelger Carlos I. Espinosa Alex Fajardo Mohammad Farzam Daniela Ferrante Anke S. K. Frank Lauchlan H. Fraser Laureano Gherardi Aaron C. Greenville Carlos A. Guerra Elizabeth Gusmán‐Montalván Rosa Mary Hernández Norbert Hölzel Elisabeth Huber‐Sannwald Frederic Mendes Hughes Oswaldo Jadán Florian Jeltsch Anke Jentsch Kudzai Farai Kaseke Melanie Köbel Jessica E. Koopman Cintia V. Leder Anja Linstädter Peter C. le Roux Xinkai Li Pierre Liancourt Jushan Liu Michelle A. Louw Gillian Maggs‐Kölling Thulani P. Makhalanyane Oumarou Malam Issa Antonio J. Manzaneda Eugène Marais Juan Pablo Mora Gerardo Moreno Seth M. Munson Alice Nunes Gabriel Oliva Gastón R. Oñatibia Guadalupe Peter Marco Otávio Dias Pivari Yolanda Pueyo R. Emiliano Quiroga Soroor Rahmanian Sasha C. Reed Pedro J. Rey

Grazing represents the most extensive use of land worldwide. Yet its impacts on ecosystem services remain uncertain because pervasive interactions between grazing pressure, climate, soil properties, and biodiversity may occur but have never been addressed simultaneously. Using a standardized survey at 98 sites across six continents, we show that soil, are critical to explain delivery fundamental drylands Increasing pressure reduced service in warmer species-poor drylands, whereas positive...

10.1126/science.abq4062 article EN Science 2022-11-24

Abstract The divergence between agricultural water use and the annual supply of resources (water gap) has been increasing for decades. forecast is that this gap will continue to widen, compromising security a large share global population. On one hand, increase in demand attributed an ever-growing population that, addition, adopting high-water consumption per capita lifestyle (e.g., meat-rich diet, increased biofuels irrigated agriculture). other climate change aridification spatio-temporal...

10.1007/s11269-023-03481-5 article EN cc-by Water Resources Management 2023-03-04
David J. Eldridge Jingyi Ding Josh Dorrough Manuel Delgado‐Baquerizo Osvaldo E. Sala and 95 more Nicolas Gross Yoann Le Bagousse‐Pinguet Max Mallen‐Cooper Hugo Saíz Sergio Asensio Victoria Ochoa Beatriz Gozalo Emilio Guirado Miguel García‐Gómez Enrique Valencia Jaime Martínez‐Valderrama César Plaza Mehdi Abedi Negar Ahmadian Rodrigo J. Ahumada Julio M. Alcántara Fateh Amghar Luísa Azevedo Farah Ben Salem Miguel Berdugo Niels Blaum Bazartseren Boldgiv Matthew A. Bowker Donaldo Bran Chongfeng Bu Rafaella Canessa Andrea P. Castillo‐Monroy Ignacio Castro Patricio Castro-Quezada Simone Cesarz Roukaya Chibani Abel Augusto Conceição Anthony Darrouzet‐Nardi Yvonne C. Davila Balázs Deák Paloma Díaz‐Martínez David A. Donoso Andrew J. Dougill Jorge Durán Nico Eisenhauer Hamid Ejtehadi Carlos I. Espinosa Alex Fajardo Mohammad Farzam Ana Foronda Jorgelina Franzese Lauchlan H. Fraser Juan Gaitán Katja Geißler Sofía González Elizabeth Gusmán‐Montalván Rosa Mary Hernández Norbert Hölzel Frederic Mendes Hughes Oswaldo Jadán Anke Jentsch Mengchen Ju Kudzai Farai Kaseke Melanie Köbel Anika Lehmann Pierre Liancourt Anja Linstädter Michelle A. Louw Quanhui Ma Mancha Mabaso Gillian Maggs‐Kölling Thulani P. Makhalanyane Oumarou Malam Issa Eugène Marais Mitchel P. McClaran Betty Mendoza Vincent Mokoka Juan Pablo Mora Gerardo Moreno Seth M. Munson Alice Nunes Gabriel Oliva Gastón R. Oñatibia Brooke Osborne Guadalupe Peter Margerie Pierre Yolanda Pueyo R. Emiliano Quiroga Sasha C. Reed Ana Rey Pedro J. Rey Víctor Manuel Reyes Gómez Víctor Rolo Matthias C. Rillig Peter C. le Roux Jan C. Ruppert Ayman Salah Phokgedi Julius Sebei Anarmaa Sharkhuu Ilan Stavi

10.1038/s41477-024-01670-7 article EN Nature Plants 2024-04-12
Nicolas Gross Fernando T. Maestre Pierre Liancourt Miguel Berdugo Raphaël Martin and 95 more Beatriz Gozalo Victoria Ochoa Manuel Delgado‐Baquerizo Vincent Maire Hugo Saíz Santiago Soliveres Enrique Valencia David J. Eldridge Emilio Guirado Franck Jabot Sergio Asensio Juan Gaitán Miguel García‐Gómez Paloma Martínez Jaime Martínez‐Valderrama Betty J. Mendoza Eduardo Moreno‐Jiménez David S. Pescador César Plaza Ivan Santaolaria Pijuan Mehdi Abedi Rodrigo J. Ahumada Fateh Amghar Antonio I. Arroyo Khadijeh Bahalkeh Lydia Bailey Farah Ben Salem Niels Blaum Bazartseren Boldgiv Matthew A. Bowker Cristina Branquinho Liesbeth van den Brink Chongfeng Bu Rafaella Canessa Andrea del p. Castillo-monroy Helena Castro Patricio Castro-Quezada Roukaya Chibani Abel Augusto Conceição Anthony Darrouzet‐Nardi Yvonne C. Davila Balázs Deák David A. Donoso Jorge Durán Carlos I. Espinosa Alex Fajardo Mohammad Farzam Daniela Ferrante Jorgelina Franzese Lauchlan H. Fraser Sofía González Elizabeth Gusmán‐Montalván Rosa Mary Hernández Norbert Hölzel Elisabeth Huber‐Sannwald Oswaldo Jadán Florian Jeltsch Anke Jentsch Mengchen Ju Kudzai Farai Kaseke Liana Kindermann Peter C. le Roux Anja Linstädter Michelle A. Louw Mancha Mabaso Gillian Maggs‐Kölling Thulani P. Makhalanyane Oumarou Malam Issa Antonio J. Manzaneda Eugène Marais Pierre Margerie Frederic Mendes Hughes João Vitor S. Messeder Juan Pablo Mora Gerardo Moreno Seth M. Munson Alice Nunes Gabriel Oliva Gastón R. Oñatibia Guadalupe Peter Yolanda Pueyo R. Emiliano Quiroga Elizabeth Ramírez-Iglesias Sasha C. Reed Pedro J. Rey Víctor Manuel Reyes Gómez Alexandra Rodríguez Víctor Rolo Juan G. Rubalcaba Jan C. Ruppert Osvaldo E. Sala Ayman Salah Phokgedi Julius Sebei Ilan Stavi Colton Stephens

10.1038/s41586-024-07731-3 article EN Nature 2024-08-07

Vegetation generally appears scattered in drylands. Its structure, composition and spatial patterns are key controls of biotic interactions, water, nutrient cycles. Applying segmentation methods to very high-resolution images for monitoring changes vegetation cover can provide relevant information dryland conservation ecology. For this reason, improving understanding the effect resolution on results is improve monitoring. We explored analyzed accuracy Object-Based Image Analysis (OBIA) Mask...

10.3390/s21010320 article EN cc-by Sensors 2021-01-05

Fairy circles (FCs) are regular vegetation patterns found in drylands of Namibia and Western Australia. It is virtually unknown whether they also present other regions the world which environmental factors determine their distribution. We conducted a global systematic survey FC-like 263 sites from 15 countries three continents, including Sahel, Madagascar, Middle-West Asia. environments characterized by unique combination soil (including low nutrient levels high sand content) climatic (arid...

10.1073/pnas.2304032120 article EN cc-by-nc-nd Proceedings of the National Academy of Sciences 2023-09-25
Paloma Díaz‐Martínez Fernando T. Maestre Eduardo Moreno‐Jiménez Manuel Delgado‐Baquerizo David J. Eldridge and 95 more Hugo Saíz Nicolas Gross Yoann Le Bagousse‐Pinguet Beatriz Gozalo Victoria Ochoa Emilio Guirado Miguel García‐Gómez Enrique Valencia Sergio Asensio Miguel Berdugo Jaime Martínez‐Valderrama Betty J. Mendoza Juan Carlos García‐Gil Claudio Zaccone Marco Panettieri Pablo García‐Palacios Wei Fan Iria Benavente‐Ferraces Ana Rey Nico Eisenhauer Simone Cesarz Mehdi Abedi Rodrigo J. Ahumada Julio M. Alcántara Fateh Amghar Valeria Aramayo Antonio I. Arroyo Khadijeh Bahalkeh Farah Ben Salem Niels Blaum Bazartseren Boldgiv Matthew A. Bowker Donaldo Bran Cristina Branquinho Chongfeng Bu Yonatan Cáceres Escudero Rafaella Canessa Andrea P. Castillo‐Monroy Ignacio Castro Patricio Castro-Quezada Roukaya Chibani Abel Augusto Conceição Courtney M. Currier Anthony Darrouzet‐Nardi Balázs Deák Chris R. Dickman David A. Donoso Andrew J. Dougill Jorge Durán Hamid Ejtehadi Carlos I. Espinosa Alex Fajardo Mohammad Farzam Daniela Ferrante Lauchlan H. Fraser Juan Gaitán Elizabeth Gusmán Montalván Rosa Mary Hernández Andreas von Heßberg Norbert Hölzel Elisabeth Huber‐Sannwald Frederic Mendes Hughes Oswaldo Jadán Katja Geißler Anke Jentsch Mengchen Ju Kudzai Farai Kaseke Liana Kindermann Jessica E. Koopman Peter C. le Roux Pierre Liancourt Anja Linstädter Jushan Liu Michelle A. Louw Gillian Maggs‐Kölling Thulani P. Makhalanyane Oumarou Malam Issa Eugène Marais Pierre Margerie Antonio J. Mazaneda Mitchel P. McClaran João Vitor S. Messeder Juan Pablo Mora Gerardo Moreno Seth M. Munson Alice Nunes Gabriel Oliva Gastón R. Oñatibia Brooke Osborne Guadalupe Peter Yolanda Pueyo R. Emiliano Quiroga Sasha C. Reed Victor M. Reyes Alexandra Rodríguez

10.1038/s41558-024-02087-y article EN Nature Climate Change 2024-07-30

ABSTRACT Monitoring river connectivity across large regions is essential for understanding hydrological processes and environmental management. However, comprehensive assessments of are often hindered by inaccurate dam databases, which biased towards larger dams while overlooking smaller or low‐head dams. To enhance the accuracy assessments, we developed three advanced convolutional neural networks (CNNs; YOLOv5, Advance‐You Only Look Once [YOLO], Faster R‐CNN) to accurately classify...

10.1002/hyp.70063 article EN Hydrological Processes 2025-01-01

Drosophila suzukii is an invasive pest that poses a significant threat to fruit crops worldwide, leading considerable agricultural losses and economic damage. Unlike chemical control measures against D. suzukii, integrating insect-proof nets within IPM framework offers more sustainable solution. This study evaluates the efficacy of nine commercial protective this pest, focusing on determining optimal hole dimensions based effects airflow velocity, temperature, morphometry net performance. To...

10.3390/insects16030253 article EN cc-by Insects 2025-03-01

10.1038/s41893-020-0561-2 article EN Nature Sustainability 2020-06-22

The latest world atlas of desertification represents a turning point in the diagnosis desertification. While it forgoes mapping due to intrinsic complexity phenomenon and impossibility measuring using single indicator, introduces convergence evidence paradigm, which identifies socioeconomic biophysical variables whose behaviour allows pointing out those areas prone Spanish National Action Program Against Desertification (PAND), back 2008, already implemented similar approach identify five...

10.3390/land11020272 article EN cc-by Land 2022-02-10

The stabling of livestock farming implies changes in both local ecosystems (regeneration forest stands via reduced grazing) and those located thousands kilometers away (deforestation to produce grain for feeding livestock). Despite their importance, these externalities are poorly known. Here we evaluated how the intensification confinement Spain has affected surface there South America, largest provider soybeans animal feed European Union. For this purpose, have used Spanish soybean import...

10.3390/land10020204 article EN cc-by Land 2021-02-17

States of ecological maturity and temporal trends drylands in Morocco, Algeria Tunisia north 28°N are reported for 1998–2008. The input data were Normalized Difference Vegetation Index databases corresponding climate fields, at a spatial resolution 1 km one month. convey opposing dynamics human exploitation succession. They identified synchronically the full period by comparing each location to all other locations study area under equivalent aridity. Rain Use Efficiency (RUE) two scales was...

10.3390/rs8070603 article EN cc-by Remote Sensing 2016-07-19
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