Joint International Conference on Long-term Experiments ...

SOME ASPECTS OF SHELTER REGENERATION OF QUERCUS SPP.
FOREST STANDS FROM PRODUCTION UNIT II VALEA LUNGĂ,
FORESTRY DISTRICT, LUGOJ (TIMIŞ COUNTY)
Crsitian C. Crainic
University of Oradea, Romania
ABSTRACTS
The paper presents some characteristics of shelter regeneration of Quercus spp. stands
from Production Unit II Valea Lungă, Forestry District Lugoj (Timiş County) as a
consequence of the treatment with repeated logging. The obtained results permit some
theoretical considerations on shelter wood treatment of Quercus spp.
Stands vegetating in particular site conditions.
Key words: shelter regeneration, stand, treatment, oaks, ecosystem
INTRODUCTION
Choosing and promoting the treatments represent a fundamental problem for the forest
district. The extensive treatments, which are characterised by a possibility of an integral
mechanization and a relatively reduced technicality, offer fewer assortments and
strongly affect the dynamic balance of the ecosystem. The intensive treatments need a
high degree of technicality, a proper equipping with transport machines, and the quality
of the products obtained after their application is superior. Also, when choosing the
treatments we have to take into account the station’s particularities, the physiological
and ecological particularities of the species and not in the end the local experience.
The natural environment, the social-economic requests and the tradition of the
Romanian forestry, plead for preserving the forests’ authenticity within the Carpathian-
Danube-Pontic frame, in all its compositional diversity, for managing this very complex
but efficient bio-cybernetic system optimised by nature, on some criteria compatible
with the social-economic exigency of the future (Giurgiu V, 2005)
MATERIALS AND METHODS
In order to point out the application manner of the regenerating cuttings in the
production unit (U.P.) II Valea Lungă, Forestry District Lugoj, it was analysed the way
of conducting the cuttings, the intensity of the interventions, the periodicity of the
interventions and the dynamic of the natural regeneration, from the valuating documents
and from the records at the forest district.
The distributions of the numbers of trees on diameter category were carried out for
the forest stands implied in the regeneration process on the basis of the centralizing
records from the valuating documents. The stational conditions and the vegetation from
U.P. II Valea Lungă, Forestry District Lugoj were analysed. In order to be able to
present the objective reality from the site, digital photographic recordings were carried
out, on magnetic support using a digital camera brand H.P., with a 3,2 MP resolution.
In the present case study, from objective reasons, it is analysed the dynamic of the
regeneration cuttings at three representative forest stands, in the forest planning units
(u.a.) 3A, 4A şi 11C.
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