Spatial complexity and temporal dynamics in viticulture: A review of climate-driven scales

Spatial complexity and temporal dynamics in viticulture: A review of climate-driven scales

Viticulture is a complex and dynamic system, where climate is a key environmental component of plant suitability and productivity. From field to farm level, climate also plays a prominent role in ongoing practices, shaping winegrowers’ decision making and adaptive management. With a changing climate, the wine sector faces many environmental and socio-economic challenges, to which winegrowers are required to adapt. Given the perennial nature of grape growing, there is a need to develop strategies that deal with both short- and longterm climate changes, while likewise accounting for contextual vulnerability. The content of this article aims to provide an overview of climate-driven scales, outlining the spatial complexity and temporal dynamics in viticulture. In addressing these aspects, this literature review offers a framework of scale and cross-scale interactions for policymakers and stakeholders to use when considering responses to attenuate climate change and to reduce its impacts on grape and wine production. The article concludes by discussing the local and context-dependent nature of viticulture in a changing global climate, by emphasizing that the question of scale is fundamental to assessing expected impacts, understanding uncertainty and framing sustainable policies and responses over space and in time. Spatial complexity and temporal dynamics in viticulture: A review of climate-driven...
2019: a year of climatic extremes

2019: a year of climatic extremes

The first half of 2019 was marked in France by extreme atmospheric phenomena that could cause major damage in vineyards. In 2019, as part of the Life ADVICLIM and AVVENIR projects, 20 temperature sensors were installed in the wine region of Entre-Deux-Mers. These sensors record the minimum and maximum temperatures according to a time step and have been installed in the vineyard at a height of 1m50 from the ground. The objective is to study the spatial variability of the temperatures according to the local characteristics (ex: altitude, slope, exposure …). Read the article...
The latest maps of bioclimatic indices are now available on the VIDAC platform (provided by Ecoclimasol)

The latest maps of bioclimatic indices are now available on the VIDAC platform (provided by Ecoclimasol)

They result from a geostatistical model using topographic variables and temperature data from the Adviclim sensor networks (Le Roux et al., 2017). These spatialized bioclimatic indices, computed over the grapevine cycle or only one month before harvest, are useful to evaluate the effects of the spatial variability of temperatures on the spatial variability of grapevine maturity and quality. The Huglin index displays a good relation to the potential of sugar content of the grape. The cool night index computed around one month before harvesting characterizes qualitative potentialities (polyphenols, aromas, color), the high night temperatures being rather...
Phénologie de la vigne, quels stades observés et comment ?

Phénologie de la vigne, quels stades observés et comment ?

Les 3 principaux stades de développement de la vigne observés sont le débourrement, la floraison et la véraison. L’adoption d’un langage commun à tous les expérimentateurs sur la vigne permet de faciliter les échanges et de constituer des séries de données comparables, particulièrement utiles lorsque l’on s’intéresse aux conséquences des changements climatiques. Une fiche synthétique des méthodes d’évaluation de ces 3 stades a été établie par un groupe de travail constitué dans le cadre du projet Perpheclim du Métaprogramme ACCAF. Téléchargez la fiche...
Université Rennes 2 Le Centre national de la recherche scientifique L’Institut Français de la Vigne et du Vin Inra Hochschule Geisenheim University Plumpton college Bordeaux Sciences Agro Universitatea de Ştiinţe Agricole şi Medicină Veterinară 'Ion Ionescu de la Brad' ecoclimasol