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Helder José Chaves Fraga Full Member

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BIO

Name: Helder José Chaves Fraga

Aggregation: Full Member

Orcid ID: 0000-0002-7946-8786

Email: hfraga@utad.pt

URL: https://www.cienciavitae.pt/pt/E416-D4F4-7756

Phone:

Research Tasks

Integrated monitoring of climate and environmental impacts

Sustainability in agri-food and forestry ecosystems

Resume

Publications

A Review of the Potential Climate Change Impacts and Adaptation Options for European Viticulture.
Santos, João A.; Fraga, Helder; Malheiro, Aureliano C.; Moutinho-Pereira, José; Dinis, Lia-Tânia; Correia, Carlos; Moriondo, Marco; Leolini, Luisa; Dibari, Camilla; Costafreda-Aumedes, Sergi; Kartschall, Thomas; Menz, Christoph; Molitor, Daniel; Junk, Jürgen; Beyer, Marco; Schultz, Hans R. (2020) A Review of the Potential Climate Change Impacts and Adaptation Options for European Viticulture. APPLIED SCIENCES 10 :3092. doi: 10.3390/app10093092. (Impact factor, Quartile: 2.217, Q2).
Assessing the impacts of recent-past climatic constraints on potential wheat yield and adaptation options under Mediterranean climate in southern Portugal.
Yang, Chenyao; Fraga, Helder; van Ieperen, Wim; Santos, João 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. (Impact factor, Quartile: 4.131, Q1).
Bioclimatic conditions of the Portuguese wine denominations of origin under changing climates.
Santos, Mónica; Fonseca, André; Fraga, Helder; Jones, Gregory V.; Santos, João A. (2020) Bioclimatic conditions of the Portuguese wine denominations of origin under changing climates. INTERNATIONAL JOURNAL CLIMATOLOGY 40 :927-941. doi: 10.1002/joc.6248. (Impact factor, Quartile: 2.592, Q2).
Climate change projections for olive yields in the Mediterranean Basin.
Fraga, Helder; Pinto, Joaquim G.; Viola, Francesco; Santos, João A. (2020) Climate change projections for olive yields in the Mediterranean Basin. INTERNATIONAL JOURNAL OF CLIMATOLOGY 40 :769-781. doi: 10.1002/joc.6237. (Impact factor, Quartile: 3.601, Q1).
Grapevine Phenology in Four Portuguese Wine Regions: Modeling and Predictions.
Reis, Samuel; Fraga, Helder; Carlos, Cristina; Silvestre, José; Eiras-Dias, José; Rodrigues, Pedro; Santos, João A. (2020) Grapevine Phenology in Four Portuguese Wine Regions: Modeling and Predictions. APPLIED SCIENCES 10 :3708. doi: 10.3390/app10113708. (Impact factor, Quartile: 2.217, Q2).
Olive tree irrigation as a climate change adaptation measure in Alentejo, Portugal.
Fraga, Helder; Pinto, Joaquim G.; Santos, João A. (2020) Olive tree irrigation as a climate change adaptation measure in Alentejo, Portugal. AGRICULTURAL WATER MANAGEMENT 237 :106193. doi: 10.1016/j.agwat.2020.106193. (Impact factor, Quartile: 3.542, Q1).
What Is the Impact of Heatwaves on European Viticulture? A Modelling Assessment.
Fraga, Helder; Molitor, Daniel; Leolini, Luisa; Santos, João A. (2020) What Is the Impact of Heatwaves on European Viticulture? A Modelling Assessment. APPLIED SCIENCES 10 :3030. doi: 10.3390/app10093030. (Impact factor, Quartile: 2.217, Q2).
Assessment of Growing Thermal Conditions of Main Fruit Species in Portugal Based on Hourly Records from a Weather Station Network.
Santos, Mónica; Fraga, Helder; Belo-Pereira, Margarida; Santos, João A. (2019) Assessment of Growing Thermal Conditions of Main Fruit Species in Portugal Based on Hourly Records from a Weather Station Network. APPLIED SCIENCES 9 (18) :3782. doi: 10.3390/app9183782. (Impact factor, Quartile: 2.217, Q3).
Climate change projections for chilling and heat forcing conditions in European vineyards and olive orchards: a multi-model assessment.
Fraga, Helder; Pinto, Joaquim G.; Santos, João A. (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. doi: 10.1007/s10584-018-2337-5. (Impact factor, Quartile: 4.168, Q1).
Effects of climate change and adaptation options on winter wheat yield under rainfed Mediterranean conditions in Southern Portugal.
Yang, Chenyao; Fraga, Helder; Ieperen, Wim van; Trindade, Henrique; Santos, João A. (2019) Effects of climate change and adaptation options on winter wheat yield under rainfed Mediterranean conditions in Southern Portugal. CLIMATIC CHANGE 154 (1-2) :159-178. doi: 10.1007/s10584-019-02419-4. (Impact factor, Quartile: 4.168, Q1).
Future Changes in Rice Bioclimatic Growing Conditions in Portugal.
Fraga, Helder; Guimarães, Nathalie; Santos, João A. (2019) Future Changes in Rice Bioclimatic Growing Conditions in Portugal. AGRONOMY-BASEL 9 :674. doi: 10.3390/agronomy9110674. (Impact factor, Quartile: 2.259, Q1).
Grapevine Phenology of cv. Touriga Franca and Touriga Nacional in the Douro Wine Region: Modelling and Climate Change Projections.
Costa, Ricardo; Fraga, Helder; Fonseca, André; Cortázar-Atauri, Inãki G.; Val, Maria C.; Carlos, Cristina; Reis, Samuel; Santos, João A. (2019) Grapevine Phenology of cv. Touriga Franca and Touriga Nacional in the Douro Wine Region: Modelling and Climate Change Projections. AGRONOMY-BASEL 9 :210. doi: 10.3390/agronomy9040210. (Impact factor, Quartile: 2.259, Q1).
New insights into thermal growing conditions of Portuguese grapevine varieties under changing climates.
Santos, João A.; Costa, Ricardo; Fraga, Helder (2019) New insights into thermal growing conditions of Portuguese grapevine varieties under changing climates. THEORETICAL AND APPLIED CLIMATOLOGY 135 :1215-1226. doi: 10.1007/s00704-018-2443-3. (Impact factor, Quartile: 2.720, Q2).
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

Clim4Vitis - Climate change impact mitigation for European viticulture: knowledge transfer for an integrated approach
Running

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

See project details →

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

See project details →