Terroir 2008 banner
IVES 9 IVES Conference Series 9 Fractal analysis as a tool for delimiting guarantee of quality areas

Fractal analysis as a tool for delimiting guarantee of quality areas

Abstract

The pioneering work of Mandelbrot in the 70’s for building the fractal theory lead rapidly to many interesting applications in different fields such as earth sciences and economy. Even if agronomy and environment sciences have not yet much explored this theoretical tool they could allow a lot of applications.
This paper gives two concrete examples of application. The first one shows how the fractal analysis can be used to define a geographical area such as AOC area of Maine cider brandy and Pommeau du Maine AOC Area. With the second one we can see how, taken among many others, the fractal dimension is a good theoretical tool for characterising a vineyard landscape.

Related articles…

Combined abiotic-biotic plant stresses on the roots of grapevine

In the 19th century, devastating outbreaks of phylloxera (Daktulosphaira vitifoliae Fitch), almost brought European viticulture to its knees. Phylloxera does not only take energy in form of sugars from the vine, but also affects the up- and down- regulations of genes, acts as a carbon sink and reprograms the physiology of the grapevines, including nutrient uptake and the defense system [1]. A key trait of rootstocks is the ability to perform well under high lime conditions as about 30 % of the land surface has calcareous soil. Iron deficiency not only causes the well-known problems of lime-induced chlorosis and stunted growth, but also affects the entire plant metabolism.

Caractérisation des productions vitivinicoles des terroirs du Barolo (Piemonte, Italie)

Le projet “Caractérisation des productions vitivinicoles du Barolo” est né par la volonté de la Région Piémont de créer une équipe multidisciplinaire de recherche pour l’individuation des différences

Can grapevine intra-varietal genetic variability be a tool for climate change adaptation? A case study at a hot and dry environment

Climate change projections point to an increase of temperatures and changes in rainfall patterns in the mediterranean region.

Effect of rising atmospheric CO2 levels on grapevine yield and composition by the middle of the 21st century: what can we learn from the VineyardFACE?

Atmospheric CO2 levels have been rising continuously since the industrial revolution, affecting crop physiology, yield and quality of harvest products, and grapevine is no exception [1]. Most of previously reported studies used potted plants in controlled environments, and explored grapevine response to relatively high CO2 levels, 700 ppm or more. The vineyardFACE, established in Geisenheim in 2012, uses a free air carbon dioxide enrichment (FACE) system to simulate a moderate (ambient +20%) increase in atmospheric CO2 in a vineyard planted with cvs. Cabernet-Sauvignon and Riesling grafted on rootstock 161-49 Couderc and SO4, respectively.

The influence of terroir on the quality of wine of the Cahors A.O.C

Dans le but d’améliorer la qualité et la typicité des vins de l’Appellation d’0rigine Contrôlée CAHORS, une étude a été réalisée afin de mettre en évidence l’adéquation Cépage-Terroir- Qualité du vin.
Selon la méthodologie proposée par MORLAT et ASSELIN (1992), neuf unités terroirs ont été déterminées. Sur chacune, des parcelles de référence homogènes quant au matériel végétal Cot ou Malbec ( cépage principal de cette appellation greffé sur S04, et aux méthodes culturales, ont été suivies au niveau agronomique et œnologique (GARCIA et al., 1996).