Zobrazeno 1 - 10
of 62
pro vyhledávání: '"baris majnounian"'
Publikováno v:
مجله جنگل ایران, Vol 11, Iss 4, Pp 443-458 (2020)
Knowledge of soil chemical properties is important for understanding its engineering characteristics in road construction. Reflectance spectrometry is a non-destructive, fast and environment friendly method, but unfortunately no research has been con
Externí odkaz:
https://doaj.org/article/474958ac38774f08a7bda037e8b37bbd
Publikováno v:
مجله جنگل ایران, Vol 11, Iss 3, Pp 297-307 (2019)
Forest machinery traffic on forests causes significant changes in increasing the bulk density, reducing porosity, ventilation and reducing water infiltration rate which resulted in an increasing surface runoff. According to the results of previous st
Externí odkaz:
https://doaj.org/article/d90bb7a866114cc09844e9e4ecaf296f
Publikováno v:
مجله جنگل ایران, Vol 11, Iss 2, Pp 151-164 (2019)
Generally in developing countries such as Iran, the studies in soil mechanics are rarely done or even not conducted due to high cost and time of research and conventional laboratory methods, so the lack of information in this field can damage the con
Externí odkaz:
https://doaj.org/article/06e920632f6c4fbda32c307f449fd80d
Publikováno v:
مجله جنگل ایران, Vol 10, Iss 3, Pp 267-278 (2018)
Globally, soil erosion is one of the most important environmental problems which are threats to soil and water resources. Soil properties are the main parameters that affect the runoff and soil erosion processes. Therefore, this study was conducted t
Externí odkaz:
https://doaj.org/article/69c3c0533118424cad0878350836d2de
Publikováno v:
مجله جنگل ایران, Vol 10, Iss 1, Pp 13-25 (2018)
Forest harvesting by cutting off the nutrient cycling processes affects the water quality causes the soluble nutrients in the plant to be washed out and flowing through the soil to the river. The type and method of harvesting are important factors in
Externí odkaz:
https://doaj.org/article/ae7b18af5b014e848244f1e8b0630602
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 26, Iss 1, Pp 70-80 (2018)
Vegetation in riparian areas, including trees with various hydrological and mechanical effects has an essential role in soil reinforcement. This is accomplished by increasing soil shear strength and inhibiting the higher layer of soil into the lower
Externí odkaz:
https://doaj.org/article/ade691f9bdc24089a46939e8a705a85d
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 25, Iss 4, Pp 553-562 (2017)
Now a day, due to applying the close to nature forestry method to manage the Hyrcanian forests and harvest distribution in this method, reducing damage to the residual stand gains more important. The aim of this study was to determine and compare the
Externí odkaz:
https://doaj.org/article/0f1bf154a9424d838fc2eac38eeedd0c
Publikováno v:
مجله جنگل ایران, Vol 9, Iss 3, Pp 301-313 (2017)
Nowadays, one of the most popular tools to cut and process the trees in northern forests of Iran is chainsaw. One of its most important defects is constant vibration during operation. The aim of this study was to investigate the hand-arm vibration in
Externí odkaz:
https://doaj.org/article/5e44e30b848a46fe9ad1f73e3ac65b67
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 23, Iss 3, Pp 536-548 (2015)
Deforestation and soil degradation start simultaneously, thus the conservation of forest and soil mutually affect each other. Therefore, techniques should be developed to reduce the amount of forest damage which in turn shortens the recovery time. Th
Externí odkaz:
https://doaj.org/article/d8dadc7525da4fdf9cc5edbc0887c15c
Publikováno v:
Croatian Journal of Forest Engineering, Vol 36, Iss 1, Pp 63-71 (2015)
Forest roads facilitate various activities such as forest management, tending of forest, timber logging, and fire and pest control, but the fact remains that roads can interrupt the natural function of forest ecosystem. They divert water flow and inc
Externí odkaz:
https://doaj.org/article/d7a74a60fa3f47ae9197d15920962854