Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Pejman PARHIZKAR"'
Publikováno v:
Journal of Forest Science, Vol 68, Iss 8, Pp 318-328 (2022)
The predominant natural disturbance regime within an old-growth Oriental beech (Fagus orientalis Lipsky) forest has been imitated in order to continue the forest cover. It is unclear how much the silvicultural characteristics of regeneration in a man
Externí odkaz:
https://doaj.org/article/05d837c697d34265ac5680bac2850325
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 26, Iss 2, Pp 156-167 (2018)
Forest stand structural development occurs over time and is commonly studied based on initial, optimal and decay developmental stages. The purpose of this study was to evaluate the capability of non-spatial indices for differentiating among developme
Externí odkaz:
https://doaj.org/article/85c194b5693e42a39a67034374eff7e4
Publikováno v:
Journal of Forest Science, Vol 64, Iss 2, Pp 59-65 (2018)
This study was carried out to evaluate gap characteristics and gapmakers for different development stages of an oriental beech forest in northern Iran. Development stages of 1 ha square-shaped mosaic patches were identified using 100 × 100 m samplin
Externí odkaz:
https://doaj.org/article/95156b4313ad48318310150fa4b53ee8
Autor:
Mohammad Hossein Sadeghzadeh Hallaj, Hashem Keneshloo, Mostafa Khoshnevis, Majid Hassani, Pejman Parhizkar
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 25, Iss 4, Pp 622-633 (2017)
This research was carried out in Sirachal Research Station in order to identify the best method for Greek juniper (Juniperus excelsa M. B.) afforestation as one of the most important forest species in Iran. Three year-old juniper saplings were transp
Externí odkaz:
https://doaj.org/article/2b10815f93a045a4a6f5a7c521e3e60a
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 25, Iss 2, Pp 275-285 (2017)
In this study,six canopy gaps with medium (200-500 m2) and large (> 500m2) sizes were selected in Shastkolate forest. In each gap, micro sample plots (6×6 m) were established at the center and north, east, south and west directions of each gap. With
Externí odkaz:
https://doaj.org/article/075699083b214b688897e87bfff59b7c
Publikováno v:
Journal of Forest Science, Vol 63, Iss 1, Pp 9-15 (2017)
This study was carried out in Loveh forest, north of Iran. We measured the quantitative characteristics of seedlings including collar diameter (measured at 1 cm above the soil surface), height, and current annual height increment and calculated the m
Externí odkaz:
https://doaj.org/article/5a28ae54c40442efb3279481dcc9d8aa
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 24, Iss 4, Pp 576-568 (2016)
Identifying regeneration characteristics is a decisive prerequisite in forest stands management. Therefore, the objective of this research was to 1) present the most appropriate tree species for reforestation within stand gaps and 2) study the effect
Externí odkaz:
https://doaj.org/article/acb09ee59b954b4e848c66f11613a493
Autor:
pejman Parhizkar, Khosro Sagheb-Talebi, Asadollah Mattaji, Manouchehr Namiranian, Majeid Hasani, Mohammad Mortazavi
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 19, Iss 1, Pp 153-141 (2011)
This study was carried out in the reserve area of district one of Langa region in Kelardasht. Development stages including initial, optimal and decay were identified and one sample plot with one hectare area (100 m×100 m) was selected in each develo
Externí odkaz:
https://doaj.org/article/16527017c5a246418c99e9b6541dc723
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 18, Iss 2, Pp 336-322 (2010)
Determination of trees spatial patterns in each development stage illustrates the dynamic of stands during the time and can provide valuable information on the underlying processes, particularly in case of uneven-aged forests. For this purpose, three
Externí odkaz:
https://doaj.org/article/c4d664618ab4469aab29c3b0e2e2f4f2
Autor:
Pejman Parhizkar, Soodabea Ali Ahmad Korori, Farhang Moraghebi, Maryam Teimouri, Yoosof Torabian, Negin Manouchehri
Publikováno v:
تحقیقات جنگل و صنوبر ایران, Vol 16, Iss 3, Pp 377-368 (2008)
The morphology of deciduous plants changes seasonally. In addition, deciduous and ever-green plants encounter with internal changes as a consequence of seasons. Enzymes activities alter with changes of temperature, drought and salinity. Plants adapt
Externí odkaz:
https://doaj.org/article/ac4a4c810e22447187ecd1bf86f3fb61