Hyrcanian Forests
Investigating the out of roundness and pith off centre in stems of three broadleaved species in Hyrcanian forests
... ABSTRACT: The out-of-roundness and pith-off-centre of Alnus subcordata, Acer velutinum and Quercus castaneifolia growing in Hyrcanian forests of Iran were investigated. Stem disks were cut from the breast ...
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Allometric equations for predicting aboveground biomass of beech hornbeam standsin the Hyrcanian forests of Iran
... 2004; Niklas 2006; Pilli et al. 2006). Neverthe- less, there is a general convergence of the scaling exponents despite the multitude of factors affecting tree growth in different sites (Pilli et al. 2006). For this ...
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Socioeconomic Impact Assessment of Deforestation of Hyrcanian Forests on Local Communities
... The study area (Do-Hezar and Se-Hezar Basins) is located in the northern Iran and at the southern fringe of the Caspian Sea in Mazandaran Province, over the eastern longitude range of 50°31'43" to 50°58'41" and ...
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Spatial pattern and disease severity of charcoal canker in Hyrcanian forests, north of Iran
... ABSTRACT: This research investigated the population density of infected trees with charcoal canker disease and the interaction across the severity of the disease on Quercus castaneifolia in Hyrcanian ...
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Forest density and orchard classification in Hyrcanian forests of Iran using Landsat 8 data
... our Hyrcanian forests in Iran is the interference of for- ests with ...separate forests from orchards as well as to classify forest density ...of Hyrcanian forests in 2014 can be ...
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Forest management decision-making using goal programming and fuzzy analytic hierarchy process approaches (case study: Hyrcanian forests of Iran)
... A GP model is the most extensively used method for dealing with persistent issues to resolve multi-ob- jective problems in management. It is also necessary to mention that the goal programming model allows fining out the ...
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The importance of coarse woody debris in dynamic phases exposure in the beech ( Fagus orientalis(L.) stands of Hyrcanian forests
... The Oriental beech (Fagus orientalis), which is also commercially valuable, is a species associated with the succession climax step in the Hyrcanian forests of Iran. So far, much research on it has been ...
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Evaluation of squared timber and log products in the Hyrcanian Forests of Iran
... Th e Hyrcanian Forests of Iran are natural broad- leaved forests located in the north of Iran near the Caspian Sea (Fig. 1). Th ey have uneven topography and very steep slopes so that these regions ...
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The effects of habitat fragmentation on bird communities in Hyrcanian forests (Case study: Gorgan Township)
... Nuthatch is usually associated with dead trees and the trees with dbh 100-300 for nesting and cavity creation (Porter et al., 2005). Nuthatches are natural forest specialists, which could be considered as naturalness ...
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LAI and Leaf Biomass Allometric Equations for Three Common Tree Species in a Hyrcanian Temperate Forest
... the Hyrcanian forests, may bring additional information for the LAI patterns and ...in Hyrcanian forests from standard forestry measurements, which means these equations may be applied to ...
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Modelling and analyzing the surface fire behaviour in Hyrcanian forest of Iran
... Mapping fire risk zones and simulation of surface fire dynamics and fire spread behaviour provides im- portant information for decision-making (Nasiri et al. 2011). In recent years, frequent forest fires with high rates ...
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Forest management and snag characteristics in Northern Iran lowland forests
... was signifi cantly higher in the fully protected for- est than in the selectively logged and open access forests. Russel and Weiskittel (2012) found that the probability of snag survival was dependent on species ...
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Effect of Oriental beech root reinforcement on slope stability (Hyrcanian Forest, Iran)
... Study area. Of the five floristic regions of Iran, Oriental beech occurs wild in only one, the Hyrca- nian forests. This area falls within the northward slopes of the Alborz Mountains of Northern Iran to the ...
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Trajectory from beech and oak forests to eastern broadleaf forests in Indiana, USA
... separated forests based on four soil drainage classes; nonetheless, oak or beech and oak remained the predominant contributors to relative dens- ity and relative basal ...oak-dominated forests to 80 ...
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Coppice Forest Management Planning and the Regeneration Potential of Pure and Mixed Oak Coppice Forests in North Macedonia
... Indirect conversion was planned for a large proportion of coppice forest stands of oak and beech, i.e. a total of 150,000 ha. In the period of validity of the Program, in many stands, activities were accordingly ...
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Securing the climate benefits of stable forests
... Finance related to REDD+ is oriented toward demonstrated emissions reductions obtained through a compari- son of historical reference emissions levels with actual emission rates (Hargita, Günter, & Köthke, 2016; ...
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Tensile strength and cellulose content of Persian ironwood (Parrotia persica) roots as bioengineering material
... mountain forests) are usually formed over a long period of time and any changes including the road construction and slope modifi - cation can fail them (Genet et ...
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Considering the soil compaction status on logging areas in a Hyrcanian forest
... As the soil is an important environment for a va- riety of soil animals and for the roots of trees and herbs, soil damage should be prevented as much as possible. But the soil compaction is influenced by endogenous soil ...
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Contributions of nitrogen deposition and forest regrowth to terrestrial carbon uptake
... young forests responses to high nitrogen inputs diminish once re-grow- ing forest ...re-growing forests. Assuming mature forests our model estimates suggested that in 1990's land absorbed ...
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Quantile Regression Forests
... Random forests were introduced as a machine learning tool in Breiman (2001) and have since proven to be very popular and powerful for high-dimensional regression and classifi- ...random forests give an ...
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