Helder José Chaves Fraga Integrated Member

Publications

Climate change implications on the viticulture geography
Fraga H., Freitas T.R., Fonseca A., Fernandes A., Santos J.A., (2024) Climate change implications on the viticulture geography Advances in Botanical Research 110 :27-69. doi: 10.1016/bs.abr.2024.04.001.

Comparative Evaluation of Remote Sensing Platforms for Almond Yield Prediction
Guimarães N., Fraga H., Sousa J.J., Pádua L., Bento A., Couto P., (2024) Comparative Evaluation of Remote Sensing Platforms for Almond Yield Prediction AgriEngineering 6 :240-258. ISSN: 26247402. doi: 10.3390/agriengineering6010015.

Quality wines in Italy and France: A dataset of protected designation of origin specifications
Candiago S., Tscholl S., Bassani L., Fraga H., Egarter Vigl L., (2024) Quality wines in Italy and France: A dataset of protected designation of origin specifications Data in Brief 54 (110408). ISSN: 23523409. doi: 10.1016/j.dib.2024.110408.

Vineyard Microclimatic Zoning as a Tool to Promote Sustainable Viticulture under Climate Change
Fonseca A., Cruz J., Fraga H., Andrade C., Valente J., Alves F., Neto A.C., Flores R., Santos J.A., (2024) Vineyard Microclimatic Zoning as a Tool to Promote Sustainable Viticulture under Climate Change Sustainability (Switzerland) 16 (3477). ISSN: 20711050. doi: 10.3390/su16083477.

Assessment of grapevine sap flow and trunk diameter variations in Mediterranean climate using time series decomposition
Adão F., Santos J.A., Fraga H., Malheiro A.C., (2023) Assessment of grapevine sap flow and trunk diameter variations in Mediterranean climate using time series decomposition Vitis - Journal of Grapevine Research 62 :97-105. ISSN: 23674156. doi: 10.5073/vitis.2023.62.97-105.

Climate Change Impacts on Grassland Vigour in Northern Portugal
Stolarski O., Santos J.A., Fonseca A., Yang C., Trindade H., Fraga H., (2023) Climate Change Impacts on Grassland Vigour in Northern Portugal Land 12 (1914). ISSN: 2073445X. doi: 10.3390/land12101914.

Climate Change Impacts on the Côa Basin (Portugal) and Potential Impacts on Agricultural Irrigation
Rodrigues D., Fonseca A., Stolarski O., Freitas T.R., Guimarães N., Santos J.A., Fraga H., (2023) Climate Change Impacts on the Côa Basin (Portugal) and Potential Impacts on Agricultural Irrigation Water (Switzerland) 15 (2739). ISSN: 20734441. doi: 10.3390/w15152739.

Evaluation of historical and future thermal conditions for almond trees in north-eastern Portugal
Freitas T.R., Santos J.A., Silva A.P., Fonseca A., Fraga H., (2023) Evaluation of historical and future thermal conditions for almond trees in north-eastern Portugal Climatic Change 176 (89). ISSN: 15731480. doi: 10.1007/s10584-023-03569-2.

Exposure of Portuguese viticulture to weather extremes under climate change
Fonseca A., Fraga H., Santos J.A., (2023) Exposure of Portuguese viticulture to weather extremes under climate change Climate Services 30 (100357). ISSN: 24058807. doi: 10.1016/j.cliser.2023.100357.

Performance of seasonal forecasts for the flowering and veraison of two major Portuguese grapevine varieties
Yang C., Ceglar A., Menz C., Martins J., Fraga H., Santos J.A., (2023) Performance of seasonal forecasts for the flowering and veraison of two major Portuguese grapevine varieties Agricultural and Forest Meteorology 331 (109342). doi: 10.1016/j.agrformet.2023.109342.

Relocation of bioclimatic suitability of Portuguese grapevine varieties under climate change scenarios
Adão F., Campos J.C., Santos J.A., Malheiro A.C., Fraga H., (2023) Relocation of bioclimatic suitability of Portuguese grapevine varieties under climate change scenarios Frontiers in Plant Science 14 (974020). ISSN: 1664462X. doi: 10.3389/fpls.2023.974020.

Reviewing the Adverse Climate Change Impacts and Adaptation Measures on Almond Trees (Prunus dulcis)
Freitas T.R., Santos J.A., Silva A.P., Fraga H., (2023) Reviewing the Adverse Climate Change Impacts and Adaptation Measures on Almond Trees (Prunus dulcis) Agriculture (Switzerland) 13 (1423). ISSN: 20770472. doi: 10.3390/agriculture13071423.

Susceptibility of Iberia to Extreme Precipitation and Aridity: A New High-Resolution Analysis over an Extended Historical Period
Claro A.M., Fonseca A., Fraga H., Santos J.A., (2023) Susceptibility of Iberia to Extreme Precipitation and Aridity: A New High-Resolution Analysis over an Extended Historical Period Water (Switzerland) 15 (3840). ISSN: 20734441. doi: 10.3390/w15213840.

The Relationship between Land Surface Temperature and Air Temperature in the Douro Demarcated Region, Portugal
Adão F., Fraga H., Fonseca A., Malheiro A.C., Santos J.A., (2023) The Relationship between Land Surface Temperature and Air Temperature in the Douro Demarcated Region, Portugal Remote Sensing 15 (5373). ISSN: 20724292. doi: 10.3390/rs15225373.

Vintage Port prediction and climate change scenarios
Fraga H., Guimarães N., Santos J.A., (2023) Vintage Port prediction and climate change scenarios Oeno One 57. doi: 10.20870/oeno-one.2023.57.4.7694.

A geospatial inventory of regulatory information for wine protected designations of origin in Europe
Candiago S., Tscholl S., Bassani L., Fraga H., Egarter Vigl L., (2022) A geospatial inventory of regulatory information for wine protected designations of origin in Europe Scientific Data 9 (394). ISSN: 20524463. doi: 10.1038/s41597-022-01513-0.

A study on the effects of climate change on viticulture on Santorini Island
Xyrafis E.G., Fraga H., Nakas C.T., Koundouras S., (2022) A study on the effects of climate change on viticulture on Santorini Island Oeno One 56 :259-273. doi: 10.20870/oeno-one.2022.56.1.4843.

Assessing the grapevine crop water stress indicator over the flowering-veraison phase and the potential yield lose rate in important European wine regions
Yang C., Menz C., Fraga H., Costafreda-Aumedes S., Leolini L., Ramos M.C., Molitor D., van Leeuwen C., Santos J.A., (2022) Assessing the grapevine crop water stress indicator over the flowering-veraison phase and the potential yield lose rate in important European wine regions Agricultural Water Management 261 (107349). ISSN: 18732283. doi: 10.1016/j.agwat.2021.107349.

Climate Change Projections for Bioclimatic Distribution of Castanea sativa in Portugal
Freitas T.R., Santos J.A., Silva A.P., Martins J., Fraga H., (2022) Climate Change Projections for Bioclimatic Distribution of Castanea sativa in Portugal Agronomy 12 (1137). ISSN: 20734395. doi: 10.3390/agronomy12051137.

Future Scenarios for Olive Tree and Grapevine Potential Yields in the World Heritage Côa Region, Portugal
Fraga H., Guimarães N., Freitas T.R., Malheiro A.C., Santos J.A., (2022) Future Scenarios for Olive Tree and Grapevine Potential Yields in the World Heritage Côa Region, Portugal Agronomy 12 (350). ISSN: 20734395. doi: 10.3390/agronomy12020350.

Grapevine Sugar Concentration Model (GSCM): A Decision Support Tool for the Douro Superior Winemaking Region
Clemente N., Santos J.A., Fontes N., Graça A., Gonçalves I., Fraga H., (2022) Grapevine Sugar Concentration Model (GSCM): A Decision Support Tool for the Douro Superior Winemaking Region Agronomy 12 (1404). ISSN: 20734395. doi: 10.3390/agronomy12061404.

MEDITERRANEAN VITICULTURE IN THE CONTEXT OF CLIMATE CHANGE
Dinis L.T., Bernardo S., Yang C., Fraga H., Malheiro A.C., Moutinho-Pereira J., Santos J.A., (2022) MEDITERRANEAN VITICULTURE IN THE CONTEXT OF CLIMATE CHANGE Ciencia e Tecnica Vitivinicola 37 :139-158. ISSN: 24163953. doi: 10.1051/ctv/ctv20223702139.

On the development of a regional climate change adaptation plan: Integrating model-assisted projections and stakeholders' perceptions
Gonçalves C., Honrado J.P., Cerejeira J., Sousa R., Fernandes P.M., Vaz A.S., Alves M., Araújo M., Carvalho-Santos C., Fonseca A., Fraga H., Gonçalves J.F., Lomba A., Pinto E., Vicente J.R., Santos J.A., (2022) On the development of a regional climate change adaptation plan: Integrating model-assisted projections and stakeholders' perceptions Science of the Total Environment 805 (150320). ISSN: 18791026. doi: 10.1016/j.scitotenv.2021.150320.

On the development of a regional climate change adaptation plan: Integrating model-assisted projections and stakeholders' perceptions
Gonçalves C., Honrado J.P., Cerejeira J., Sousa R., Fernandes P.M., Vaz A.S., Alves M., Araújo M., Carvalho-Santos C., Fonseca A., Fraga H., Gonçalves J.F., Lomba A., Pinto E., Vicente J.R., Santos J.A., (2022) On the development of a regional climate change adaptation plan: Integrating model-assisted projections and stakeholders' perceptions Science of the Total Environment 805 (150320). ISSN: 18791026. doi: 10.1016/j.scitotenv.2021.150320.

Projections of Climate Change Impacts on Flowering-Veraison Water Deficits for Riesling and Müller-Thurgau in Germany
Yang C., Menz C., De Abreu Jaffe M.S., Costafreda-Aumedes S., Moriondo M., Leolini L., Torres-Matallana A., Molitor D., Junk J., Fraga H., van Leeuwen C., Santos J.A., (2022) Projections of Climate Change Impacts on Flowering-Veraison Water Deficits for Riesling and Müller-Thurgau in Germany Remote Sensing 14 (1519). ISSN: 20724292. doi: 10.3390/rs14061519.

Synergistic Use of Sentinel-2 and UAV Multispectral Data to Improve and Optimize Viticulture Management
Stolarski O., Fraga H., Sousa J.J., Pádua L., (2022) Synergistic Use of Sentinel-2 and UAV Multispectral Data to Improve and Optimize Viticulture Management Drones 6 (366). ISSN: 2504446X. doi: 10.3390/drones6110366.

Use of Sentinel‐2 Derived Vegetation Indices for Estimating fPAR in Olive Groves
Leolini L., Moriondo M., Rossi R., Bellini E., Brilli L., López‐bernal Á., Santos J.A., Fraga H., Bindi M., Dibari C., Costafreda‐aumedes S., (2022) Use of Sentinel‐2 Derived Vegetation Indices for Estimating fPAR in Olive Groves Agronomy 12 (1540). ISSN: 20734395. doi: 10.3390/agronomy12071540.

Assessment of Climate Change Impacts on Chilling and Forcing for the Main Fresh Fruit Regions in Portugal
Fraga H., Santos J.A., (2021) Assessment of Climate Change Impacts on Chilling and Forcing for the Main Fresh Fruit Regions in Portugal Frontiers in Plant Science 12 (689121). ISSN: 1664462X. doi: 10.3389/fpls.2021.689121.

Climate projections for precipitation and temperature indicators in the douro wine region: The importance of bias correction
Martins J., Fraga H., Fonseca A., Santos J.A., (2021) Climate projections for precipitation and temperature indicators in the douro wine region: The importance of bias correction Agronomy 11 (990). ISSN: 20734395. doi: 10.3390/agronomy11050990.

Influence of climate change on chestnut trees: A review
Freitas T.R., Santos J.A., Silva A.P., Fraga H., (2021) Influence of climate change on chestnut trees: A review Plants 10 (1463). ISSN: 22237747. doi: 10.3390/plants10071463.

Mediterranean olive orchards under climate change: A review of future impacts and adaptation strategies
Fraga H., Moriondo M., Leolini L., Santos J.A., (2021) Mediterranean olive orchards under climate change: A review of future impacts and adaptation strategies Agronomy 11 (56). ISSN: 20734395. doi: 10.3390/agronomy11010056.

Simultaneous calibration of grapevine phenology and yield with a soil–plant–atmosphere system model using the frequentist method
Yang C., Menz C., Fraga H., Reis S., Machado N., Malheiro A.C., Santos J.A., (2021) Simultaneous calibration of grapevine phenology and yield with a soil–plant–atmosphere system model using the frequentist method Agronomy 11 (1659). ISSN: 20734395. doi: 10.3390/agronomy11081659.

A review of the potential climate change impacts and adaptation options for European viticulture
Santos J.A., Fraga H., Malheiro A.C., Moutinho-Pereira J., Dinis L.T., Correia C., Moriondo M., Leolini L., Dibari C., Costafreda-Aumedes S., Kartschall T., Menz C., Molitor D., Junk J., Beyer M., Schultz H.R., (2020) A review of the potential climate change impacts and adaptation options for European viticulture Applied Sciences (Switzerland) 10 (3092). ISSN: 20763417. doi: 10.3390/app10093092.

Assessing the impacts of recent-past climatic constraints on potential wheat yield and adaptation options under Mediterranean climate in southern Portugal
Yang C., Fraga H., van Ieperen W., Santos J.A., (2020) Assessing the impacts of recent-past climatic constraints on potential wheat yield and adaptation options under Mediterranean climate in southern Portugal Agricultural Systems 182 (102844). doi: 10.1016/j.agsy.2020.102844.

Bioclimatic conditions of the Portuguese wine denominations of origin under changing climates
Santos M., Fonseca A., Fraga H., Jones G.V., Santos J.A., (2020) Bioclimatic conditions of the Portuguese wine denominations of origin under changing climates International Journal of Climatology 40 :927-941. ISSN: 10970088. doi: 10.1002/joc.6248.

Climate change projections for olive yields in the Mediterranean Basin
Fraga H., Pinto J.G., Viola F., Santos J.A., (2020) Climate change projections for olive yields in the Mediterranean Basin International Journal of Climatology 40 :769-781. ISSN: 10970088. doi: 10.1002/joc.6237.

Grapevine phenology in four portuguese wine regions: Modeling and predictions
Reis S., Fraga H., Carlos C., Silvestre J., Eiras-Dias J., Rodrigues P., Santos J.A., (2020) Grapevine phenology in four portuguese wine regions: Modeling and predictions Applied Sciences (Switzerland) 10 (3708). ISSN: 20763417. doi: 10.3390/app10113708.

International trade, non-tariff measures and climate change: insights from Port wine exports
Macedo A., Gouveia S., Rebelo J., Santos J., Fraga H., (2020) International trade, non-tariff measures and climate change: insights from Port wine exports Journal of Economic Studies 48 :1228-1243. doi: 10.1108/JES-04-2020-0161.

Olive tree irrigation as a climate change adaptation measure in Alentejo, Portugal
Fraga H., Pinto J.G., Santos J.A., (2020) Olive tree irrigation as a climate change adaptation measure in Alentejo, Portugal Agricultural Water Management 237 (106193). ISSN: 18732283. doi: 10.1016/j.agwat.2020.106193.

Phenological model intercomparison for estimating grapevine budbreak date (Vitis vinifera L.) in Europe
Leolini L., Costafreda-Aumedes S., Santos J.A., Menz C., Fraga H., Molitor D., Merante P., Junk J., Kartschall T., Destrac-Irvine A., van Leeuwen C., Malheiro A.C., Eiras-Dias J., Silvestre J., Dibari C., Bindi M., Moriondo M., (2020) Phenological model intercomparison for estimating grapevine budbreak date (Vitis vinifera L.) in Europe Applied Sciences (Switzerland) 10 (3800). ISSN: 20763417. doi: 10.3390/app10113800.

What is the impact of heatwaves on European viticulture? A modelling assessment
Fraga H., Molitor D., Leolini L., Santos J.A., (2020) What is the impact of heatwaves on European viticulture? A modelling assessment Applied Sciences (Switzerland) 10 (3030). ISSN: 20763417. doi: 10.3390/app10093030.

Assessment of growing thermal conditions of main fruit species in Portugal based on hourly records from a weather station network
Santos M., Fraga H., Belo-Pereira M., Santos J., (2019) Assessment of growing thermal conditions of main fruit species in Portugal based on hourly records from a weather station network Applied Sciences (Switzerland) 9 (3782). ISSN: 20763417. doi: 10.3390/app9183782.

Climate change projections for chilling and heat forcing conditions in European vineyards and olive orchards: a multi-model assessment
Fraga H., Pinto J., Santos J., (2019) Climate change projections for chilling and heat forcing conditions in European vineyards and olive orchards: a multi-model assessment Climatic Change 152 :179-193. ISSN: 15731480. doi: 10.1007/s10584-018-2337-5.

Effects of climate change and adaptation options on winter wheat yield under rainfed Mediterranean conditions in southern Portugal
Yang C., Fraga H., van Ieperen W., Trindade H., Santos J., (2019) Effects of climate change and adaptation options on winter wheat yield under rainfed Mediterranean conditions in southern Portugal Climatic Change 154 :159-178. ISSN: 15731480. doi: 10.1007/s10584-019-02419-4.

Future changes in rice bioclimatic growing conditions in Portugal
Fraga H., Guimarães N., Santos J.A., (2019) Future changes in rice bioclimatic growing conditions in Portugal Agronomy 9 (674). ISSN: 20734395. doi: 10.3390/agronomy9110674.

Grapevine phenology of cv. Touriga Franca and Touriga Nacional in the Douro wine region: Modelling and climate change projections
Costa R., Fraga H., Fonseca A., De Cortázar-Atauri I.G., Val M.C., Carlos C., Reis S., Santos J.A., (2019) Grapevine phenology of cv. Touriga Franca and Touriga Nacional in the Douro wine region: Modelling and climate change projections Agronomy 9 (210). ISSN: 20734395. doi: 10.3390/agronomy9040210.

New insights into thermal growing conditions of Portuguese grapevine varieties under changing climates
Santos J.A., Costa R., Fraga H., (2019) New insights into thermal growing conditions of Portuguese grapevine varieties under changing climates Theoretical and Applied Climatology 135 :1215-1226. ISSN: 14344483. doi: 10.1007/s00704-018-2443-3.

Climate-driven variability in vegetation greenness over Portugal.
Costa, R.; Fraga, H.; Fernandes, P. and Santos, J. (2018) Climate-driven variability in vegetation greenness over Portugal. CLIMATE RESEARCH 76 :95-113. ISSN: 0936-577X. doi: 10.3354/cr01521. (Impact factor, Quartile: 1.859, Q3).

Improvement of grapevine physiology and yield under summer stress by kaolin-foliar application: water relations, photosynthesis and oxidative damage.
Dinis, L-T.; Malheiro, A. C.; Luzio, A.; Fraga, H.; Ferreira, H.; Goncalves, I.; Pinto, G.; Correia, C. M.; Moutinho-Pereira, J. (2018) Improvement of grapevine physiology and yield under summer stress by kaolin-foliar application: water relations, photosynthesis and oxidative damage. Photosynthetica 56 (2) :641-651. doi: 10.1007/s11099-017-0714-3. (Impact factor, Quartile: , Q2).

Modelling climate change impacts on early and late harvest grassland systems in Portugal.
Yang, Chenyao; Fraga, Helder; van Ieperen, Wim; Santos, Joao A. (2018) Modelling climate change impacts on early and late harvest grassland systems in Portugal. Crop & Pasture Science 9 (8) :821-836. doi: 10.1071/CP17428. (Impact factor, Quartile: 1.354, Q2).

Vineyard mulching as a climate change adaptation measure: Future simulations for Alentejo, Portugal.
Fraga, Helder; Santos, Joao A. (2018) Vineyard mulching as a climate change adaptation measure: Future simulations for Alentejo, Portugal. Agricultural Systems 164 :107-115. doi: 10.1016/j.agsy.2018.04.006. (Impact factor, Quartile: 3.004, Q1).

Viticultural irrigation demands under climate change scenarios in Portugal.
Fraga, H.; Garcia de Cortazar Atauri, I.; Santos, J. A. (2018) Viticultural irrigation demands under climate change scenarios in Portugal. Agricultural Water Management 196 :66-74. doi: 10.1016/j.agwat.2017.10.023. (Impact factor, Quartile: 3.182, Q1).

Implications of future bioclimatic shifts on Portuguese forests.
Costa, R, Fraga, H, Fernandes, PM, Santos, JÁ (2017) Implications of future bioclimatic shifts on Portuguese forests. Regional Environmental Change 17 :117-127. ISSN: 1436-3798. doi: 10.1007/s10113-016-0980-9. (Impact factor, Quartile: 2.919, Q2).

Multivariate clustering of viticultural terroirs in the Douro winemaking region.
Fraga, H, Costa, R, Santos, JA (2017) Multivariate clustering of viticultural terroirs in the Douro winemaking region. Ciencia E Tecnica Vitivinicola 32 :142-153. ISSN: 0254-0223. doi: 10.1051/ctv/20173202142. (Impact factor, Quartile: 0.85, Q3).

Projects

WaterQB - Integrated web-based platform for supporting irrigation management aiming at coping with climate variability and changes
Running

Coordinator  /  Paula Paredes UTAD/CITAB Coordinator  /  Helder Fraga
Start date  /  2023/03 Funding  /  FCT Reference  /  2022.04553.PTDC


MONTEVITIS - Integrating a Comprehensive European Approach for Climate Change Mitigation and Adaptation in Montenegro Viticulture
Running

UTAD/CITAB Coordinator  /  João Santos
Start date  /  2023/01 Funding  /  European Commission - Horizon Europe Reference  /  Grant Agreement n.º 101059461


Vine & Wine PT - Driving Sustainable Growth Through Smart Innovation
Running

Coordinator  /  Jorge Dias UTAD/CITAB Coordinator  /  Raul Santos
Start date  /  2021/11 Funding  /  IAPMEI - PRR - Recovery and Resilience Plan / Mobilising Agendas Reference  /  C644866286-00000011


SoilRec4+Health - Soil recover for a healthy food and quality of life (NORTE-01-0145-FEDER-000083)
Concluded

Coordinator  /  Ana Barros
Start date  /  2021/04 Funding  /  NORTE2020 - PROJETOS ESTRUTURADOS DE I&D&I Reference  /  NORTE-01-0145-FEDER-000083


CoaClimateRisk - Climate change impact assessment and adaptation measures for the main crops in the Coa Valley region
Concluded

Coordinator  /  Helder Fraga
Start date  /  2020/09 Funding  /  FCT/FEDER Reference  /  COA/CAC/0030/2019


Clim4Vitis - Climate change impact mitigation for European viticulture: knowledge transfer for an integrated approach [GA 810176]
Concluded

Coordinator  /  João Santos
Start date  /  2018/09 Funding  /  European Commission - H2020 - WIDESPREAD-05-2017-Twinning Reference  /  H2020-WIDESPREAD-05-2017


PIAAC-TS - Intermunicipal Plan for Adaptation to Climate Change for Tâmega and Sousa (PIAAC-TS). Tâmega e Sousa Intermunicipal Community
Concluded

UTAD/CITAB Coordinator  /  João Santos
Start date  /  2017/11 Funding  /  POSEUR Reference  /  POSEUR-08-2016-74