Zobrazeno 1 - 10
of 117
pro vyhledávání: '"M. Lotfalian"'
Publikováno v:
Journal of Forest Science, Vol 62, Iss 2, Pp 80-87 (2016)
Calculation of Skid Trail Spacing (STS) is an important option to minimize the total costs of skidding. Construction of many skid trails increases the construction cost, it also results in more degradation on different levels in forests. On the other
Externí odkaz:
https://doaj.org/article/b23c9fd9845a4a2cbfa878ae63fc3d5d
Publikováno v:
Journal of Forest Science, Vol 58, Iss 10, Pp 446-455 (2012)
This study was conducted to assess the effect of forest road as a corridor on local biodiversity. For this purpose, 10 segments in a 10 year-old road were selected in Neka-Zalemrood forest in Hyrcanian zone. At each of the segments, we established tw
Externí odkaz:
https://doaj.org/article/13e6f6855fcd48efb437db21325c1d6b
Publikováno v:
Journal of Forest Science, Vol 58, Iss 8, Pp 337-344 (2012)
The effects of Rubus hyrcanus L. and Philonotis marchica (Hedw.) Bridon on runoff generation and soil loss from cutslopes of forest roads were investigated. The study was conducted at the northern forest of Iran, about 30 km south of the city of Sari
Externí odkaz:
https://doaj.org/article/2afeabbc82dd406ab1f1422304e6d54c
Publikováno v:
Journal of Forest Science, Vol 57, Iss 11, Pp 467-471 (2011)
Average skidding distance for forest stands is an important parameter for the determination of the optimum road density and spacing. In this research the real mean skidding distance and theoretical mean skidding distance were measured to calculate th
Externí odkaz:
https://doaj.org/article/ec126e92f1854739a042be93275bacf3
Publikováno v:
مجله جنگل ایران, Vol 1, Iss 2, Pp 115-124 (2009)
The ruts on skid roads are the main factors causing water erosion in northern forests ofIran. In order to evaluate the reasons of this phenomenon, the skid roads in Pahneh Kola and Arzefon forests which are under management of Mazindaran wood and pap
Externí odkaz:
https://doaj.org/article/90a05cd7ccb449098f4116db868daae2
Publikováno v:
Journal of Forest Science, Vol 55, Iss 4, Pp 177-183 (2009)
The use of skidding machinery in logging operations causes destructive effects especially on soil but has many advantages such as extracting long and heavy logs, optimum use of useful logging time and absence of defect in wood production quality and
Externí odkaz:
https://doaj.org/article/84da38d6824f463fb381e9ec32d926d6
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
Akademický článek
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Akademický článek
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Autor:
Wolfgang Marx, Steven Allender, Erin Hoare, Sami Collins, Felice N. Jacka, M Lotfalian, Melissa Lane
Publikováno v:
Mental Health & Prevention. 24:200220
Background Depression, anxiety and their related symptoms are a leading cause of global disability and economic burden. Three quarters of all mental disorders occur by the age of 24 years making the identification of modifiable risk factors during th