Zobrazeno 1 - 10
of 54
pro vyhledávání: '"J. Feghhi"'
Publikováno v:
Environmental Resources Research, Vol 8, Iss 2, Pp 175-186 (2020)
Primary production is the most important functional feature of terrestrial and aquatic ecosystems affecting many processes. In this study, we integrated logistic regression and Markov chain to predict chlorophyll-a (chl-a) concentration as an index o
Externí odkaz:
https://doaj.org/article/1d53e0d6dc034625a8e71e39dc516f15
Publikováno v:
Iranian Journal of Applied Ecology, Vol 4, Iss 12, Pp 11-21 (2015)
The quantitative description of forest structure can be regarded as one of the most usable working tools in modern forest management.The study aims at analyzing the stand structure in unlogged beech forests using nearest neighbor indices. Data collec
Externí odkaz:
https://doaj.org/article/cd551bf4f53649ee8687b4fd6617f585
Publikováno v:
Iranian Journal of Applied Ecology, Vol 2, Iss 5, Pp 15-25 (2014)
The ecological relationship between trees is important in the sustainable management of forests. Studying this relationship in spatial ecology, different indices are applied that are based on distance to nearest neighbor. The aim of this research was
Externí odkaz:
https://doaj.org/article/15dfcd18e028492c8caf990d98ca3d09
Publikováno v:
Iranian Journal of Applied Ecology, Vol 2, Iss 6, Pp 13-25 (2014)
Constant urban development in today’s world has turned urban growth management into a main challenge in the 21st century. Obtaining spatiotemporal information about the pattern and rate of urban growth is critical to a better understanding of the u
Externí odkaz:
https://doaj.org/article/ef98f8e5fdcd44bb89b504aed6cfdc02
Publikováno v:
Iranian Journal of Applied Ecology, Vol 2, Iss 3, Pp 13-24 (2013)
To implement correct management of forest ecosystems, enough information in relation to the structures of tree species is necessary. In this study, the structures of trees species in Fagus, Fagus-Carpinus, Carpinus-Fagus and Carpinus-Quercus types we
Externí odkaz:
https://doaj.org/article/b181dee56c0b4aabb6da06aea5ada3e4
Publikováno v:
Iranian Journal of Applied Ecology, Vol 1, Iss 2, Pp 75-86 (2013)
There is no doubt that climatic factors are one of significant parameters in occurrence of natural fires in forest and range ecosystems. The goal of this study was a monthly-based prediction of the occurrence of the natural fires using artificial neu
Externí odkaz:
https://doaj.org/article/6e94ebef9bf64e01a601b0766c85caa8
Publikováno v:
مجله جنگل ایران, Vol 1, Iss 1, Pp 35-42 (2009)
Forestroad construction is the most costly operation in forest management. In order to choose the optimal variant with regard to costs and performance, it is necessary to evaluate road variants before construction. This study was performed in Namkhan
Externí odkaz:
https://doaj.org/article/48c7412662bf4aef80468ebcd44dc12e
Publikováno v:
Journal of Forest Science, Vol 55, Iss 2, Pp 96-100 (2009)
A field production study was conducted for a manual harvesting system using a chainsaw in a Caspian hardwood forest site. A selective cut was performed on a 42-hectare tract with an average slope of 30 percent. Felling time per tree was most affected
Externí odkaz:
https://doaj.org/article/e7f2eb244899442e8e62346543b57b8a
Autor:
Rachele Venanzi, Rodolfo Picchio, Farzam Tavankar, J. Feghhi, Meghdad Jourgholami, F. Latterini
Publikováno v:
iForest-Biogeosciences and Forestry, Vol 14, Iss 1, Pp 370-377 (2021)
Natural treefall gaps have a substantial role in maintaining soil and plant diversity in old-growth forests. However, the amount of information on the effects of gaps on the recovery of physical and chemical properties of compacted soils is scarce. W
Publikováno v:
International Forestry Review. 23:151-167
HIGHLIGHTSFor more than a century, management of the Hyrcanian forests was focused on wood production. However, the selection of conservation indicators as the most important reveals a recent emphasis amongst forest managers on other functions of the