In this paper we evaluate the feasibility of estimating the previous distribution of a tree species, the beech, from the analysis of toponyms presently in use and referring to this species. Specialists from toponymy, agromomy and geometics have been involved. Toponyms are a precious source of information about past distribution: more than 6100 toponyms referring to beech have been detected. MOT...

The aim of this study was to reconstruct the vegetation changes, fire history and local landscape dynamics central Croatia (the western part south-eastern Europe) from 9800 cal yr BP beginning Common Era. Pollen, non-pollen palynomorphs charcoal were analysed for first time in aforementioned area by modern palynological methods. Three different assemblage (sub)zones identified: “Pinus-Fagus-Que...

In a screening for new inhibitors of proteases as lead structures we disclosed recently the basidiomycete strain of Laccaria amethysteaas the producer of active compounds. Here we report the isolation and structure determination of laccaridiones A (1) and B (2) (Fig. 1) as new inhibitors of trypsin, papain, thermolysin, collagenase and zinc-protease. The strain was isolated from the stem of fru...

We designed a novel method allowing to automatically detect and measure defects on the surface of trunks including branches, branch scars, epicormics from terrestrial LiDAR data by using only high-density 3D information. could with diameter as small 0.5 cm either oak (Quercus petraea (Matt.) Liebl.) or beech (Fagus sylvatica L.) trees that display rough smooth bark. Ground-based light detection...

We quantified the damage caused by a major ice storm to individual trees in two 1-ha permanent plots located at Mont St. Hilaire in southwestern Québec, Canada. The storm, which occurred in January 1998, is the worst on record in eastern North America; glaze ice on the order of 80-100 mm accumulated at our study site. All but 3% of the trees (DBH > or = 10 cm) lost at least some crown branches,...

Anthropogenic activities during the last century have increased levels of atmospheric CO2. Forest net primary productivity increases in response to elevated CO2, altering the quantity and quality of carbon supplied to the rhizosphere. Ectomycorrhizal fungi form obligate symbiotic associations with the fine roots of trees that mediate improved scavenging for nutrients in exchange for a carbohydr...

A full-length cDNA clone, named FsA1, has been isolated from a cDNA library constructed using mRNA from Fagus sylvatica L. dormant seeds (beechnuts). This clone shows high identity with members of the AAA superfamily, for ATPases Associated with a variety of cellular Activities, encoding subunit 8 of the 26S proteasome or Tat binding proteins (TBPs). Direct biochemical evidence supporting Mg(2+...