Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Gheorghe Spârchez"'
Autor:
Elena Camelia Mușat, Andrei Ioan Apăfăian, Gheorghe Ignea, Valentina Doina Ciobanu, Eugen Iordache, Rudolf Alexandru Derczeni, Gheorghe Spârchez, Maria Magdalena Vasilescu, Stelian Alexandru Borz
Publikováno v:
Annals of Forest Research, Vol 59, Iss 1, Pp 129-144 (2016)
Time studies represent important tools that are used in forest operations research to produce empirical models or to comparatively assess the performance of two or more operational alternatives with the general aim to predict the performance of opera
Externí odkaz:
https://doaj.org/article/3524b18983344f94b3e50db13ebc6065
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 43, Iss 2, Pp 568-575 (2015)
The organic carbon stock (SOC) (t/ha) was calculated in different approaches in order to enhance the differences among methods and their utility regarding specific studies. Using data obtained in Romania (2000-2012) from 4,500 profiles and 9,523 soil
Externí odkaz:
https://doaj.org/article/34a53313436e43c392c277c977433af1
Publikováno v:
Croatian Journal of Forest Engineering, Vol 36, Iss 1, Pp 137-146 (2015)
In Romanian forestry, skidders represent the most used equipment for wood extraction, while the group shelterwood system is one of the most used silvicultural forest management strategies. Production rates are important indicators when trying to asse
Externí odkaz:
https://doaj.org/article/8d85e472d67f42308e223ab8ab79ec80
Publikováno v:
Annals of Forest Research, Vol 57, Iss 1, Pp 19-29 (2014)
The genetic diversity of Romanian most important coniferous tree species, the Norway spruce, was estimated by means of allozyme markers. A total of 695 adult trees sampled from eleven populations grouped in six mountainous areas in the Romanian Carpa
Externí odkaz:
https://doaj.org/article/803844e2919743d8bfc2ef615745387b
Publikováno v:
Annals of Forest Research, Vol 55, Iss 2, Pp 229-241 (2012)
Estimating soils organic carbon stock and its change in time is an actual concern for scientists and climate change policy makers. The present article firstly focus on determination of C stocks in Romania on forest soil types, as well as development
Externí odkaz:
https://doaj.org/article/e090c9155b9a4c729141e18a789aa351
Autor:
Avram Cicșa, Gheorghe-Marian Tudoran, Maria Cicșa (Boroeanu), Alexandru-Claudiu Dobre, Gheorghe Spârchez
Publikováno v:
Forests; Volume 13; Issue 10; Pages: 1651
Research Highlights: In mixed stands, competitive and supportive relationships occur between trees, illustrated by their dendrometric characteristics. Background and Objectives: We investigated the effect of species composition on growth and yield in
Publikováno v:
Forests, Vol 12, Iss 549, p 549 (2021)
Forests
Volume 12
Issue 5
Forests
Volume 12
Issue 5
Research Highlights: This study highlighted the possibility of estimating the productivity of mountain sites (mixed beech-coniferous stands) based on tree and stand dendrometric characteristics. Background and Objectives: The mountainous region of Ro
Autor:
Gheorghe Ignea, Gheorghe Spârchez, Stelian Alexandru Borz, R. Derczeni, M. M. Vasilescu, Elena Camelia Mușat, Andrei Ioan Apăfăian, Eugen Iordache, Valentina Doina Ciobanu
Publikováno v:
Annals of Forest Research, Vol 59, Iss 1, Pp 129-144 (2016)
Time studies represent important tools that are used in forest operations research to produce empirical models or to comparatively assess the performance of two or more operational alternatives with the general aim to predict the performance of opera
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 43, Iss 2, Pp 568-575 (2015)
The organic carbon stock (SOC) (t/ha) was calculated in different approaches in order to enhance the differences among methods and their utility regarding specific studies. Using data obtained in Romania (2000-2012) from 4,500 profiles and 9,523 soil
Autor:
Lucian Dinca, Ciprian Valentin Silvestru-Grigore, Florin Dinulică, Gheorghe Spârchez, R. Enescu, Vlad Emil Crișan, Aureliu Florin Hălălișan
Publikováno v:
Forests; Volume 9; Issue 4; Pages: 213
Forests, Vol 9, Iss 4, p 213 (2018)
Forests, Vol 9, Iss 4, p 213 (2018)
More than a third of Romania’s surface has low-productive soils, at the same time exposed to risks of climatic phenomena and generating high economic loss. Afforestation with pine has been the most common solution for the recovery of sheet erosion.