Article Figures & Data
Figures
- Figure 1
The South Coast American Viticultural Area (AVA) and its respective sub-appellations, including the Temecula Valley, Ramona Valley, San Pasqual Valley, and the broader San Diego region. Size of circles represents the proportional number of responses received per sub-appellation. Blue lines on the California inset image indicate major waterways (rivers).
- Figure 2
Annual average, minimum, and maximum temperatures (A) and precipitation levels (B) for San Diego County (SD) and Riverside County (R) from 2003 to 2023, using data extracted from the Climate at a Glance County Time Series (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/time-series). San Diego and Riverside Counties were selected for the trend analysis because they encompass the prominent grapegrowing regions of Ramona Valley and Temecula Valley, respectively.
- Figure 3
Grower perceptions of changes in climate over the last 10 years, listed by five or more survey respondents. Bars show number of respondents, with numbers indicating percentage of respondents.
- Figure 4
Grower perceptions of changes in wine characteristics and vineyard plants over the last 10 years, listed by 10 or more survey respondents. Bars show number of respondents, with numbers indicating percentage of respondents.
- Figure 5
Grower perceptions of the greatest stressors on wine production and vineyard outcomes, divided by area of greatest perceived risk.
- Figure 6
Survey questions pertaining to grower perceived adaptive capacity.
Tables
- Table 1
Respondent demographics and vineyard characteristics. SD, standard deviation.
- Table 2
Logistic regression model of the relationship between growers reporting to have implemented adaptive strategies on their vineyard in the last five years, and questions of their perceptions of broad climate change impacts. Questions of climate change impacts were formatted as 5-point Likert-scale questions. Odds ratios, standard errors, p values, and 95% confidence intervals are shown. Respondents that did not answer any of the questions and those who answered “I don’t know” were excluded from this data (i.e., n = 47).
- Table 3
Measures of perceived adaptive capacity compared with grower and vineyard demographics as independent variables. The data shown represent the median number of respondents, with standard deviation in parentheses.
Appendix: Local winegrowing trends and adaptation to climate change
Vol 75 Issue 2
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