Climate change projections for olive yields in the Mediterranean Basin
The olive tree is one of the most important crops in the Mediterranean basin. Given the strong climatic influence on olive trees, it becomes imperative to assess climate change impacts on this crop. Herein, these impacts were innovatively assessed, based on an ensemble of state‐of‐the‐art climate mo...
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description | The olive tree is one of the most important crops in the Mediterranean basin. Given the strong climatic influence on olive trees, it becomes imperative to assess climate change impacts on this crop. Herein, these impacts were innovatively assessed, based on an ensemble of state‐of‐the‐art climate models, future scenarios and dynamic crop models. The recent‐past (1989–2005) and future (2041–2070, RCP4.5 and RCP8.5) olive growing season length (GSL), yield, growing season temperature (GST) and precipitation (GSP), potential (ETP) and actual (ETA) evapotranspiration, water demand (WD) and water productivity (WP) were assessed over Southern Europe. Crop models were fed with an ensemble of EURO‐CORDEX regional climate model data, along with soil and terrain data. For the recent‐past, important differences between western and eastern olive growing areas are found. GSL presents a strong latitudinal gradient, with higher/lower values at lower/higher latitudes. Yields are lower in inner south Iberia and higher in Italy and Greece, which is corroborated by historical data. Southern Iberia shows higher GST and lower GSP, which contributes to a higher ETP, lower ETA and, consequently, stronger WD. Regarding WP, the recent‐past values show similar ranges across Europe. Future projections point to a general increase in GSL along with an increase in GST up to 3°C. GSP is projected to decrease in Western Europe, leading to enhanced WD and consequently a yield decrease (down to −45%). Over eastern European, GSP is projected to slightly increase, leading to lower WD and to a small yield increase (up to +15%). WP will remain mostly unchanged. We conclude that climate change may negatively impact the viability of olive orchards in southern Iberia and some parts of Italy. Thus, adequate and timely planning of suitable adaptation measures are needed to ensure the sustainability of the olive sector.
Representation of the dynamical crop models used in the present study, along with the main inputs and outputs. Yield outputs of the recent‐past and future (RCP4.5 and 8.5, mean of four RCM–RCM model‐chain ensemble) are also shown. In some parts of Eastern Europe, future yields are projected to increase by 15%. Conversely, in the warmest and driest areas of Iberia, future yields may decrease to −45%. Adaptation measures should be adopted to counteract these negative impacts under climate change scenarios. |
doi_str_mv | 10.1002/joc.6237 |
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Representation of the dynamical crop models used in the present study, along with the main inputs and outputs. Yield outputs of the recent‐past and future (RCP4.5 and 8.5, mean of four RCM–RCM model‐chain ensemble) are also shown. In some parts of Eastern Europe, future yields are projected to increase by 15%. Conversely, in the warmest and driest areas of Iberia, future yields may decrease to −45%. Adaptation measures should be adopted to counteract these negative impacts under climate change scenarios.</description><identifier>ISSN: 0899-8418</identifier><identifier>EISSN: 1097-0088</identifier><identifier>DOI: 10.1002/joc.6237</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Adaptation ; Agricultural production ; Climate change ; Climate models ; Crop yield ; Crops ; Environmental assessment ; Environmental impact ; Europe ; Euro‐Cordex ; Evapotranspiration ; Fruit trees ; Growing season ; Historical account ; History ; Latitudinal variations ; olive yields ; Orchards ; Regional climate models ; Regional climates ; representative concentration pathways ; Soil ; Sustainability ; Viability ; Water demand</subject><ispartof>International journal of climatology, 2020-02, Vol.40 (2), p.769-781</ispartof><rights>2019 Royal Meteorological Society</rights><rights>2020 Royal Meteorological Society</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3277-72a9ca7dc75b8882b7cb68ea151d373fa0ab489bd094ecc1756a79e472cbb9e23</citedby><cites>FETCH-LOGICAL-c3277-72a9ca7dc75b8882b7cb68ea151d373fa0ab489bd094ecc1756a79e472cbb9e23</cites><orcidid>0000-0002-8865-1769 ; 0000-0002-8135-5078 ; 0000-0002-7946-8786</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjoc.6237$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjoc.6237$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Fraga, Helder</creatorcontrib><creatorcontrib>Pinto, Joaquim G.</creatorcontrib><creatorcontrib>Viola, Francesco</creatorcontrib><creatorcontrib>Santos, João A.</creatorcontrib><title>Climate change projections for olive yields in the Mediterranean Basin</title><title>International journal of climatology</title><description>The olive tree is one of the most important crops in the Mediterranean basin. Given the strong climatic influence on olive trees, it becomes imperative to assess climate change impacts on this crop. Herein, these impacts were innovatively assessed, based on an ensemble of state‐of‐the‐art climate models, future scenarios and dynamic crop models. The recent‐past (1989–2005) and future (2041–2070, RCP4.5 and RCP8.5) olive growing season length (GSL), yield, growing season temperature (GST) and precipitation (GSP), potential (ETP) and actual (ETA) evapotranspiration, water demand (WD) and water productivity (WP) were assessed over Southern Europe. Crop models were fed with an ensemble of EURO‐CORDEX regional climate model data, along with soil and terrain data. For the recent‐past, important differences between western and eastern olive growing areas are found. GSL presents a strong latitudinal gradient, with higher/lower values at lower/higher latitudes. Yields are lower in inner south Iberia and higher in Italy and Greece, which is corroborated by historical data. Southern Iberia shows higher GST and lower GSP, which contributes to a higher ETP, lower ETA and, consequently, stronger WD. Regarding WP, the recent‐past values show similar ranges across Europe. Future projections point to a general increase in GSL along with an increase in GST up to 3°C. GSP is projected to decrease in Western Europe, leading to enhanced WD and consequently a yield decrease (down to −45%). Over eastern European, GSP is projected to slightly increase, leading to lower WD and to a small yield increase (up to +15%). WP will remain mostly unchanged. We conclude that climate change may negatively impact the viability of olive orchards in southern Iberia and some parts of Italy. Thus, adequate and timely planning of suitable adaptation measures are needed to ensure the sustainability of the olive sector.
Representation of the dynamical crop models used in the present study, along with the main inputs and outputs. Yield outputs of the recent‐past and future (RCP4.5 and 8.5, mean of four RCM–RCM model‐chain ensemble) are also shown. In some parts of Eastern Europe, future yields are projected to increase by 15%. Conversely, in the warmest and driest areas of Iberia, future yields may decrease to −45%. Adaptation measures should be adopted to counteract these negative impacts under climate change scenarios.</description><subject>Adaptation</subject><subject>Agricultural production</subject><subject>Climate change</subject><subject>Climate models</subject><subject>Crop yield</subject><subject>Crops</subject><subject>Environmental assessment</subject><subject>Environmental impact</subject><subject>Europe</subject><subject>Euro‐Cordex</subject><subject>Evapotranspiration</subject><subject>Fruit trees</subject><subject>Growing season</subject><subject>Historical account</subject><subject>History</subject><subject>Latitudinal variations</subject><subject>olive yields</subject><subject>Orchards</subject><subject>Regional climate models</subject><subject>Regional climates</subject><subject>representative concentration pathways</subject><subject>Soil</subject><subject>Sustainability</subject><subject>Viability</subject><subject>Water demand</subject><issn>0899-8418</issn><issn>1097-0088</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp10LtOwzAUBmALgUQpSDyCJRaWlGPnYnuEiHJRUReYLcc5oY5CXOwUlLcnpaxMZ_nO7SfkksGCAfCb1ttFwVNxRGYMlEgApDwmM5BKJTJj8pScxdgCgFKsmJFl2bkPMyC1G9O_I90G36IdnO8jbXygvnNfSEeHXR2p6-mwQfqCtRswBNOj6emdia4_JyeN6SJe_NU5eVvev5aPyWr98FTerhKbciESwY2yRtRW5JWUklfCVoVEw3JWpyJtDJgqk6qqQWVoLRN5YYTCTHBbVQp5OidXh7nTnZ87jINu_S7000rN0xyAsSKDSV0flA0-xoCN3obpyzBqBnqf0tRl9T6liSYH-u06HP91-nld_vofIoloPg</recordid><startdate>202002</startdate><enddate>202002</enddate><creator>Fraga, Helder</creator><creator>Pinto, Joaquim G.</creator><creator>Viola, Francesco</creator><creator>Santos, João A.</creator><general>John Wiley & Sons, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0002-8865-1769</orcidid><orcidid>https://orcid.org/0000-0002-8135-5078</orcidid><orcidid>https://orcid.org/0000-0002-7946-8786</orcidid></search><sort><creationdate>202002</creationdate><title>Climate change projections for olive yields in the Mediterranean Basin</title><author>Fraga, Helder ; Pinto, Joaquim G. ; Viola, Francesco ; Santos, João A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3277-72a9ca7dc75b8882b7cb68ea151d373fa0ab489bd094ecc1756a79e472cbb9e23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adaptation</topic><topic>Agricultural production</topic><topic>Climate change</topic><topic>Climate models</topic><topic>Crop yield</topic><topic>Crops</topic><topic>Environmental assessment</topic><topic>Environmental impact</topic><topic>Europe</topic><topic>Euro‐Cordex</topic><topic>Evapotranspiration</topic><topic>Fruit trees</topic><topic>Growing season</topic><topic>Historical account</topic><topic>History</topic><topic>Latitudinal variations</topic><topic>olive yields</topic><topic>Orchards</topic><topic>Regional climate models</topic><topic>Regional climates</topic><topic>representative concentration pathways</topic><topic>Soil</topic><topic>Sustainability</topic><topic>Viability</topic><topic>Water demand</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fraga, Helder</creatorcontrib><creatorcontrib>Pinto, Joaquim G.</creatorcontrib><creatorcontrib>Viola, Francesco</creatorcontrib><creatorcontrib>Santos, João A.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>International journal of climatology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fraga, Helder</au><au>Pinto, Joaquim G.</au><au>Viola, Francesco</au><au>Santos, João A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Climate change projections for olive yields in the Mediterranean Basin</atitle><jtitle>International journal of climatology</jtitle><date>2020-02</date><risdate>2020</risdate><volume>40</volume><issue>2</issue><spage>769</spage><epage>781</epage><pages>769-781</pages><issn>0899-8418</issn><eissn>1097-0088</eissn><abstract>The olive tree is one of the most important crops in the Mediterranean basin. Given the strong climatic influence on olive trees, it becomes imperative to assess climate change impacts on this crop. Herein, these impacts were innovatively assessed, based on an ensemble of state‐of‐the‐art climate models, future scenarios and dynamic crop models. The recent‐past (1989–2005) and future (2041–2070, RCP4.5 and RCP8.5) olive growing season length (GSL), yield, growing season temperature (GST) and precipitation (GSP), potential (ETP) and actual (ETA) evapotranspiration, water demand (WD) and water productivity (WP) were assessed over Southern Europe. Crop models were fed with an ensemble of EURO‐CORDEX regional climate model data, along with soil and terrain data. For the recent‐past, important differences between western and eastern olive growing areas are found. GSL presents a strong latitudinal gradient, with higher/lower values at lower/higher latitudes. Yields are lower in inner south Iberia and higher in Italy and Greece, which is corroborated by historical data. Southern Iberia shows higher GST and lower GSP, which contributes to a higher ETP, lower ETA and, consequently, stronger WD. Regarding WP, the recent‐past values show similar ranges across Europe. Future projections point to a general increase in GSL along with an increase in GST up to 3°C. GSP is projected to decrease in Western Europe, leading to enhanced WD and consequently a yield decrease (down to −45%). Over eastern European, GSP is projected to slightly increase, leading to lower WD and to a small yield increase (up to +15%). WP will remain mostly unchanged. We conclude that climate change may negatively impact the viability of olive orchards in southern Iberia and some parts of Italy. Thus, adequate and timely planning of suitable adaptation measures are needed to ensure the sustainability of the olive sector.
Representation of the dynamical crop models used in the present study, along with the main inputs and outputs. Yield outputs of the recent‐past and future (RCP4.5 and 8.5, mean of four RCM–RCM model‐chain ensemble) are also shown. In some parts of Eastern Europe, future yields are projected to increase by 15%. Conversely, in the warmest and driest areas of Iberia, future yields may decrease to −45%. Adaptation measures should be adopted to counteract these negative impacts under climate change scenarios.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/joc.6237</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-8865-1769</orcidid><orcidid>https://orcid.org/0000-0002-8135-5078</orcidid><orcidid>https://orcid.org/0000-0002-7946-8786</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Adaptation Agricultural production Climate change Climate models Crop yield Crops Environmental assessment Environmental impact Europe Euro‐Cordex Evapotranspiration Fruit trees Growing season Historical account History Latitudinal variations olive yields Orchards Regional climate models Regional climates representative concentration pathways Soil Sustainability Viability Water demand |
title | Climate change projections for olive yields in the Mediterranean Basin |
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