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Ecology and Evolution
Colombia
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
44
Citations
9789
World Ranking
2960
National Ranking
6

Ecology and Evolution

D-Index
45
Citations
10520
World Ranking
4767
National Ranking
3

Research.com Recognitions

  • 2026 - Research.com Ecology and Evolution in Colombia Leader Award
  • 2025 - Research.com Ecology and Evolution in Colombia Leader Award
  • 2023 - Research.com Ecology and Evolution in Colombia Leader Award
  • 2022 - Research.com Ecology and Evolution in Colombia Leader Award

Overview

Julian Ramirez-Villegas is affiliated with the Centro Internacional de Agricultura Tropical in Colombia. Their research primarily focuses on Agricultural and Biological Sciences, with a substantial body of work totaling 84 publications in this field. Within this domain, their subfields of expertise include Plant Science, Ecology, Evolution, Behavior and Systematics, Global and Planetary Change, General Agricultural and Biological Sciences, and Agronomy and Crop Science.

Their main research topics cover a range of areas related to agriculture and climate, including:

  • Climate change impacts on agriculture
  • Genetics and Plant Breeding
  • Plant pathogens and resistance mechanisms
  • Agricultural Innovations and Practices
  • Rice Cultivation and Yield Improvement
  • Banana Cultivation and Research
  • Agriculture Sustainability and Environmental Impact

Julian Ramirez-Villegas has published multiple papers across various respected venues. Notable recent papers include:

  • "High-resolution and bias-corrected CMIP5 projections for climate change impact assessments," 2020, published in Scientific Data
  • "CGIAR modeling approaches for resource-constrained scenarios: I. Accelerating crop breeding for a changing climate," 2020, published in Crop Science
  • "A global meta-analysis of climate services and decision-making in agriculture," 2021, published in Climate Services
  • "State of ex situ conservation of landrace groups of 25 major crops," 2022, published in Nature Plants
  • "Priority areas for investment in more sustainable and climate-resilient livestock systems," 2023, published in Nature Sustainability

The scientist has frequently published in venues such as Harvard Dataverse, CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research), European Journal of Agronomy, SSRN Electronic Journal, and Crop Science.

Collaboration is evident in their work, with frequent co-authors including Steven D. Prager, Harold Achicanoy, Brayan Mora, Andrew J. Challinor, and Chrystian C Sosa. These collaborations reflect multi-disciplinary approaches in addressing agricultural challenges linked to climate change and sustainability.

Best Publications

  • Increasing homogeneity in global food supplies and the implications for food security

    Colin K. Khoury;Anne D. Bjorkman;Hannes Dempewolf;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Julian Ramirez-Villegas

  • Reducing risks to food security from climate change

    Bruce M. Campbell;Bruce M. Campbell;Sonja J. Vermeulen;Sonja J. Vermeulen;Pramod K. Aggarwal;Caitlin Corner-Dolloff

  • Global conservation priorities for crop wild relatives

    Nora P. Castañeda-Álvarez;Nora P. Castañeda-Álvarez;Colin K. Khoury;Colin K. Khoury;Harold A. Achicanoy;Vivian Bernau

  • Quantifying the benefit of early climate change mitigation in avoiding biodiversity loss

    R. Warren;J. VanDerWal;J. Price;J. A. Welbergen

  • Is Cassava the Answer to African Climate Change Adaptation

    Andy Jarvis;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Beatriz Vanessa Herrera Campo;Carlos Navarro-Racines

  • High-resolution and bias-corrected CMIP5 projections for climate change impact assessments.

    Carlos Eduardo Navarro-Racines;Carlos Eduardo Navarro-Racines;Jaime Tarapues;Jaime Tarapues;Philip K. Thornton;Philip K. Thornton;Andy Jarvis;Andy Jarvis

  • Addressing uncertainty in adaptation planning for agriculture

    Sonja J. Vermeulen;Andrew J. Challinor;Philip K. Thornton;Bruce M. Campbell

  • Towards a climate change adaptation strategy for coffee communities and ecosystems in the Sierra Madre de Chiapas, Mexico

    Götz Schroth;Peter Laderach;Jan Dempewolf;Stacy Philpott

  • Climate change adaptation of coffee production in space and time

    Peter Läderach;Peter Läderach;Julián Ramírez Villegas;Julián Ramírez Villegas;Julián Ramírez Villegas;Carlos E. Navarro-Racines;Carlos E. Navarro-Racines;Carlos Zelaya

  • Current warming will reduce yields unless maize breeding and seed systems adapt immediately

    A. J. Challinor;A. J. Challinor;A.-K. Koehler;J. Ramirez-Villegas;J. Ramirez-Villegas;S. Whitfield

  • Origins of food crops connect countries worldwide

    Colin K. Khoury;Colin K. Khoury;Harold A. Achicanoy;Anne D. Bjorkman;Carlos Navarro-Racines

  • Timescales of transformational climate change adaptation in sub-Saharan African agriculture

    Ulrike Rippke;Ulrike Rippke;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Andy Jarvis;Andy Jarvis;Sonja J. Vermeulen;Sonja J. Vermeulen

  • The climate-smart village approach : framework of an integrative strategy for scaling up adaptation options in agriculture

    Pramod K. Aggarwal;Andy Jarvis;Bruce M. Campbell;Robert B. Zougmoré

  • Empirical approaches for assessing impacts of climate change on agriculture: The EcoCrop model and a case study with grain sorghum

    Julian Ramirez-Villegas;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Andy Jarvis;Andy Jarvis;Peter Läderach

  • Downscaling Global Circulation Model Outputs: The Delta Method Decision and Policy Analysis Working Paper No. 1

    Julian Ramirez-Villegas;Andy Jarvis

  • A Gap Analysis Methodology for Collecting Crop Genepools: A Case Study with Phaseolus Beans

    Julián Ramírez-Villegas;Colin Khoury;Andy Jarvis;Andy Jarvis;Daniel Gabriel Debouck

  • Using species distributions models for designing conservation strategies of Tropical Andean biodiversity under climate change

    Julian Ramirez-Villegas;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Francisco Cuesta;Christian Devenish;Christian Devenish;Manuel Peralvo

  • A way forward on adaptation to climate change in Colombian agriculture : perspectives towards 2050

    Julian Ramirez-Villegas;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Mike Salazar;Andy Jarvis;Andy Jarvis;Andy Jarvis;Carlos E. Navarro-Racines;Carlos E. Navarro-Racines

  • Improving the use of crop models for risk assessment and climate change adaptation.

    Andrew J. Challinor;Christoph Müller;Senthold Asseng;Chetan Deva

  • A framework for priority-setting in climate smart agriculture research

    Philip K. Thornton;Anthony Whitbread;Tobias Baedeker;Jill Cairns

  • Implications of regional improvement in global climate models for agricultural impact research

    Julian Ramirez-Villegas;Julian Ramirez-Villegas;Julian Ramirez-Villegas;Andrew J Challinor;Andrew J Challinor;Philip K Thornton;Philip K Thornton;Andy Jarvis;Andy Jarvis

  • Crop wild relatives of pigeonpea [Cajanus cajan (L.) Millsp.]: Distributions, ex situ conservation status, and potential genetic resources for abiotic stress tolerance

    Colin K. Khoury;Colin K. Khoury;Nora P. Castañeda-Alvarez;Nora P. Castañeda-Alvarez;Harold A. Achicanoy;Chrystian C. Sosa

Frequent Co-Authors

Andy Jarvis
Andy Jarvis Bezos Earth Fund
Andrew J. Challinor
Andrew J. Challinor University of Leeds
Philip K. Thornton
Philip K. Thornton Climate Change, Agriculture and Food Security
Peter Läderach
Peter Läderach Bioversity International
Loren H. Rieseberg
Loren H. Rieseberg University of British Columbia
Bruce M. Campbell
Bruce M. Campbell Wageningen University & Research
Hari D. Upadhyaya
Hari D. Upadhyaya International Crops Research Institute for the Semi-Arid Tropics
Lieven Claessens
Lieven Claessens Wageningen University & Research
Laixiang Sun
Laixiang Sun University of Maryland, College Park
Mark Howden
Mark Howden Commonwealth Scientific and Industrial Research Organisation

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