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790 research outcomes, page 1 of 79
  • publication . Article . 2009
    Open Access Persian
    Authors:
    Morteza Pourreza; Hooshmand Safari; Yahya khodakarami; Shahram Mashayekhi;
    Publisher: Research Institute of Forests and Rangelands of Iran

    Fire in the Zagros forests disturbs some parts of these forests every year. Manna oak species (Quercus brantii) as the main species of these forests is stimulated by fire. In order to investigate post-fire resprouting of Quercus brantii, 133 sprout clumps were selected ...

  • publication . Article . 2007
    Open Access Persian
    Authors:
    Maryam Teimouri; Soodabeh Korori; Mostafa Khoshnevis; Mohammad Matinizadeh; Mohsen Kalagari;
    Publisher: Research Institute of Forests and Rangelands of Iran

    Soil microorganisms are important components of forest ecosystems. The term plant growth promoting rhizobacteria (PGPR) is used to describe non-symbiotic soil bacteria, which have potential to colonize plant root and stimulate growth. The aim of study was assessment the...

  • publication . Article . 2011
    Open Access Persian
    Authors:
    Javad Mirzaei; Moslem Akbarinia; Ebraheim Mohamadi Goltapeh; Mazaffar Sharifi; Younes Rezaei Danesh;
    Persistent Identifiers
    Publisher: Research Institute of Forests and Rangelands of Iran

    The effect of arbuscular mycorrhizae fungi (AMF) on morphological and physiological characteristics of Pistacia khinjuk under drought stress were studied in Ilam, Iran. First, the mycorrhizae fungi associated with Pistacia khinjuk trees were isolated and identified and ...

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  • publication . Article . 2017
    Open Access Persian
    Authors:
    Afsaneh Zavvar; Elias Ramezani; Aliraza Naqinezhad; Hans Joosten;
    Persistent Identifiers
    Publisher: Research Institute of Forests and Rangelands of Iran

    Palynologial analysis of a core from Ganli-Gol wetland reveals the Late-Holocene vegetation dynamics and the role of climate and man on the past environment in northwestern Iran. Our pollen diagram shows substantial changes in vegetation over the period 3000-1600cal.BP....

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  • publication . Article . 2008
    Open Access Persian
    Authors:
    Jahangir Mohammadi; Sha'ban Shataee; Hashem Habashi; Mojtaba Amiri;
    Publisher: Research Institute of Forests and Rangelands of Iran

    In order to identify the effect of shelterwood logging on the species diversity in each stages performance, a study was conducted at the Loveh forest, east of Golestan province. Totally, 117 plots with 60×60m were set down with systematic cluster sampling method at the ...

  • publication . Article . 2009
    Open Access Persian
    Authors:
    Farahnaz Rashidi; Sasan Babaie Kafaki; Ja'far Oladi;
    Publisher: Research Institute of Forests and Rangelands of Iran

    This study was carried out in order to investigate the capability of digital data of ETM+ sensor in separation of forest types in Gazoo district of Lafoor area in Savadkooh. The bands were controlled according to radiometric and geometric errors, separately. Band 1, was...

  • publication . Article . 2003
    Open Access Persian
    Authors:
    Shirzad Mohammadnejad- Kiasari; Mahmood Dastmalchi; Sayyed Ali Reza Mousavi-Garmestani; Behnoosh Jafari;
    Persistent Identifiers
    Publisher: Research Institute of Forests and Rangelands of Iran

    The aim of the study was to introduce the most successful exotic species for Forest plantation projects. The trial was conducted in 1992 on ahumidsite at low altitude of Neka Forest in Mazandaran province of I. R. Iran (North Forests), under compeletely Randomized Block...

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  • publication . Article . 2018
    Open Access Persian
    Authors:
    Mohsen Javanmiri Pour; Mohammad Reza Marvie Mohadjer; Mahmoud Zobeiri; Vahid Etemad; Meghdad Jourgholami;
    Persistent Identifiers
    Publisher: Research Institute of Forests and Rangelands of Iran

    Quantification of forest structure and its various components helps to better understand the forest ecosystem and supports its improved management. Here, the Gini index were used as a spatial distribution index for evaluating the structural diversity. The main objective...

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  • publication . Article . 2016
    Open Access Persian
    Authors:
    Souma Etemad; Mahmoud Zobeiri; Manouchehr Namiranian; Loghman Gharamany;
    Persistent Identifiers
    Publisher: Research Institute of Forests and Rangelands of Iran

    To assess the diversity of woody species (as a major task to understand the changes in forest ecosystem), collection of appropriate qualitative and quantitative data is of particular importance. This study attempts to introduce the most appropriate sampling method for e...

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  • publication . Article . 2013
    Open Access Persian
    Authors:
    Saeideh Eskandari; Jafar Oladi Ghadikolaei; Hamid Jalilvand;
    Persistent Identifiers
    Publisher: Research Institute of Forests and Rangelands of Iran

    Continues occurrence of fire in northern forests of Iran during past years, necessitates conducting research, in order to predict future fire occurrence in these forests. For this reason a 1:25000 topographical map of Zarrin Abad Forests of Neka Township of Mazandaran p...

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790 research outcomes, page 1 of 79