The influence of climate on varietal similarities across countries

IF 2.3 4区 农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY Agricultural & Environmental Letters Pub Date : 2024-10-26 DOI:10.1002/ael2.70001
Germán Puga, Kym Anderson
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Abstract

In recent decades, vignerons have focused more on the world's mainstream varieties than on differentiating their varietal mix. This has led countries to become more similar to each other in their mix of winegrape varieties and more varietally concentrated. What are the drivers of those changes? In this study, we focus on one of those drivers, that is, climate similarities. We estimate statistical models to quantify the potential influence of 16 climate variables on varietal similarities across countries, as well as on how their varietal mixes have become more or less similar since 2000. The results indicate not only that countries with more similar climates have more similar varietal mixes but also that in recent years countries with more similar climates have become even more similar in their mixes. This, however, does not necessarily mean that vignerons have been planting the varieties that are better adapted to their climates.

Core Ideas

  • Wine-producing countries have become more similar and concentrated in their mix of winegrape varieties.
  • This similarity extends particularly among countries sharing similar climatic conditions.
  • In recent years, countries with similar climates have continued to converge in their winegrape varietal mixes.
  • Nevertheless, vignerons have not necessarily been planting varieties that are better suited to their climates.

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气候对各国品种相似性的影响
近几十年来,葡萄种植者更多关注世界主流品种,而不是品种组合的差异化。这导致各国的葡萄品种组合越来越相似,品种越来越集中。这些变化的驱动因素是什么?在本研究中,我们将重点关注其中一个驱动因素,即气候相似性。我们估算了统计模型,以量化 16 个气候变量对各国葡萄品种相似性的潜在影响,以及自 2000 年以来各国葡萄品种组合的相似程度。结果表明,不仅气候较为相似的国家的品种组合较为相似,而且近年来气候较为相似的国家的品种组合变得更加相似。然而,这并不一定意味着葡萄种植者一直在种植更适应其气候的品种。 核心观点 葡萄酒生产国的葡萄品种组合变得更加相似和集中。 这种相似性尤其体现在气候条件相似的国家之间。 近年来,气候条件相似的国家在葡萄品种组合方面不断趋同。 然而,葡萄种植者并不一定种植更适合其气候条件的葡萄品种。
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来源期刊
CiteScore
3.70
自引率
3.80%
发文量
28
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