Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Mohammad Reza Ghaffariyan"'
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 25, Iss 1, Pp 87-100 (2024)
Forest fires are one of the most severe incidents that can destroy large areas of forest lands and cause substantial damages to the nearby residential areas and farmlands. Human efforts to reduce the likelihood of starting forest fires include prescr
Externí odkaz:
https://doaj.org/article/7bc33e20249f4f21bc5be26c498c079c
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 24, Iss 3, Pp 77-94 (2023)
Biomass characteristics play an important role in product classification, economic values, and types of usage. This research was initiated by the IEA Bioenergy Technology Collaboration Programme, which aimed to review and identify the top biomass cha
Externí odkaz:
https://doaj.org/article/be9f177167c14c738b67131ad3894353
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 24, Iss 1, Pp 55-68 (2023)
Tree felling and processing can create harvesting residues including leaves and twigs (needles), cones, barks, and branches. Collecting forest harvesting residues requires application of suitable machines and working methods. This article is aimed at
Externí odkaz:
https://doaj.org/article/cf139cd115444ced8a6951962b943c45
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 23, Iss 2, Pp 55-68 (2022)
There are two types of forwarders available in the practice including conventional forestry forwarders and farm tractors equipped with a trailer/grapple loader that operate as a forwarder. Forwarders loading capacity can vary depending on the machine
Externí odkaz:
https://doaj.org/article/39d9894f7a84415f9b6d7dd2800e4a63
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 23, Iss 1, Pp 21-36 (2022)
Farm tractors have been applied in forest operations to carry out several tasks such as tree/felling/process-ing, forwarding, loading, skidding and cable yarding. Farm tractors can be equipped with special logging equipment that allows for their safe
Externí odkaz:
https://doaj.org/article/34f5774102de479fabecbcfd7a9aa911
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 22, Iss 2, Pp 25-32 (2021)
Reforestation can be carried out using natural regeneration or artificial regeneration. There are vari-ous methods for the artificial regeneration, including manual planting, mechanical planting and aerial/or ground seeding. This article aimed to rev
Externí odkaz:
https://doaj.org/article/c28c8a2ead63443a85f85d2754e15767
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 22, Iss 2, Pp 81-90 (2021)
Loading is considered a bottleneck of the forest harvesting system as it acts as a connection between primary transport and secondary transport (from roadside/ landing to mills or central yards). Any delay during the loading component can cause delay
Externí odkaz:
https://doaj.org/article/11de5ad2d295421eb6190379258af26b
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 22, Iss 1, Pp 77-87 (2021)
Globally, about 20 million ha of land area is occupied by plantations of Eucalyptus. Motor-manual tree harvest-ing techniques (using chainsaws) are still applied in eucalypt plantations, especially in difficult terrains or for large- sized trees wher
Externí odkaz:
https://doaj.org/article/5c9cdd2db6904d868665cf57d509b314
Autor:
Mohammad Reza Ghaffariyan
Publikováno v:
Silva Balcanica, Vol 21, Iss 2, Pp 83-98 (2020)
Skidding is an important element of harvesting operations, which contributes to the extraction of wood. A skidder can be used in different types of harvesting operations, such as thinning, clear fell, native forest thinning or salvage work. The main
Externí odkaz:
https://doaj.org/article/b7571c3ccb0c43dda79f80ea4041345e
Publikováno v:
Forests, Vol 13, Iss 3, p 428 (2022)
The utilization of forest harvest residues for renewable bioenergy production and bioproducts has increasingly become an integrated part of forestry that helps to meet the needs of climate change mitigation and a future carbon neutral economy. An ess
Externí odkaz:
https://doaj.org/article/500cff7a303c40a39b3c3e8c0fd08cd3