Cite as:
H&auml;usser, M.; Garel, E.; Huneau, F.; Santoni, S.; Szymczak, S. &amp; Br&auml;uning, A. (2019-05-08). <b>Impact of two consecutive extreme years on radial growth of pines along an elevation gradient on Corsica</b>. Presented at TRACE-Conference, Caserta/Italy.

Resource Description

Title: Impact of two consecutive extreme years on radial growth of pines along an elevation gradient on Corsica
FOR816dw ID: 29
Publication Date: 2019-05-08
License and Usage Rights:
Resource Owner(s):
Individual: Martin Häusser
Individual: Emilie Garel
Individual: Frédéric Huneau
Individual: Sébastien Santoni
Individual: Sonja Szymczak
Individual: Achim Bräuning
The western Mediterranean basin is subject to ongoing climate change, exhibiting more pronounced drought periods during the growing season. Therein, the mountainous island of Corsica, France, was recently exposed to two extreme but strikingly different consecutive years: 2017 was especially dry and yielded a record minimum in annual precipitation whereas 2018 was particularly wet with summer precipitation more than doubling the long-term average. However, both years were equally warm, being the second and third warmest summers since 1900 for entire France. Within this setup, 42 pines were equipped with high-resolution band dendrometers spanning an E-W transect across the central mountain range. Circumference growth data were obtained at five study sites, located in three different elevation belts ranging from sea level up to 1600 m asl. We analyse the different reactions of Maritime pine (Pinus pinaster) in low regions and Corsican Black pine (Pinus nigra ssp. laricio) in high elevations, to the aforementioned climatic conditions. Results show distinctive differences in the length of the growing period in all elevation belts. During the summer drought of 2017, the two coastal sites showed stagnation or even shrinkage of tree circumferences, whereas the western part of the transect was more affected than the east. In contrast, all sites exhibited continuous growth over the summer months in 2018. Additionally, obtained microcore samples will help to pinpoint cambial activity and indicate the differences of earlywood and latewood formation in different elevations under inter-annually varying climatic conditions.
| Pinus pinaster | Pinus nigra | Elevation gradient | Dendrometer |
Literature type specific fields:
Conference Name: TRACE-Conference
Date: 2019-05-08
Location: Caserta/Italy
Metadata Provider:
Individual: Sonja Szymczak
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