Additive indexEvaluating the response of ecosystems to land-use change using soil quality index-Alandan forest Sari [Volume 15, Issue 1, 2023, Pages 17-34]
Adjusted PriceRotation Age of Populus deltoides Marshall. Based on Optimizing Net Present Value of Timber and Carbon Sequestration at the Finite Series of Identical in Guilan [Volume 15, Issue 1, 2023, Pages 107-124]
AfforestationMangrove Afforestation and Reforestation in Coastal Areas of
the Bushehr Province [Volume 15, 1En (English issue), 2023, Pages 25-36]
AFLPGenetic diversity of Parrotia persica (DC) C.A. Meyer in Hyrcanian forests [Volume 15, Issue 3, 2023, Pages 313-327]
Arbuscular mycorrhizal fungiResponse of wild Pistachio seedlings to inoculation with microorganisms under two moisture levels in greenhouse [Volume 15, Issue 2, 2023, Pages 179-194]
Average temperatureReconstruction of Jan-Mar mean temperature using tree ring widths of Juniper trees in the east of Lorestan province [Volume 15, Issue 1, 2023, Pages 53-67]
Avicennia marinaMangrove Afforestation and Reforestation in Coastal Areas of
the Bushehr Province [Volume 15, 1En (English issue), 2023, Pages 25-36]
B
BeechComparison of the structural characteristics of coppice and standard stands of oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests
(Case study: forests of Kojoor, Nowshahr) [Volume 15, Issue 3, 2023, Pages 259-276]
Biometric variablesSurveying and study on the biometric variables of poplar plantations in Guilan province [Volume 15, Issue 2, 2023, Pages 195-210]
Braun-Blanquet synoptic methodIndicator species analysis by considering all possible combinations of site groups [Volume 15, Issue 4, 2023, Pages 411-428]
C
Carbon sequestrationAppraisal of Carbon Sequestration Capacity of Soil and Underground Biomass in Mixed stands of Beech and Hornbeam (A case study: Lirasar Forest- Tonekabon) [Volume 15, Issue 2, 2023, Pages 141-154]
Carbon ValueRotation Age of Populus deltoides Marshall. Based on Optimizing Net Present Value of Timber and Carbon Sequestration at the Finite Series of Identical in Guilan [Volume 15, Issue 1, 2023, Pages 107-124]
ChetanComparison of the structural characteristics of coppice and standard stands of oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests
(Case study: forests of Kojoor, Nowshahr) [Volume 15, Issue 3, 2023, Pages 259-276]
Clarke and Evans indexSpatial pattern and structural characteristics of Fagus orientalis forests in the optimal developmental stage (Case study: Kheyroud forest, Nowshahr) [Volume 15, Issue 2, 2023, Pages 155-165]
Climatic indicatorsSurveying and study on the biometric variables of poplar plantations in Guilan province [Volume 15, Issue 2, 2023, Pages 195-210]
D
Dead treeComparison of the structural characteristics of coppice and standard stands of oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests
(Case study: forests of Kojoor, Nowshahr) [Volume 15, Issue 3, 2023, Pages 259-276]
DendroclimatologyReconstruction of Jan-Mar mean temperature using tree ring widths of Juniper trees in the east of Lorestan province [Volume 15, Issue 1, 2023, Pages 53-67]
DensityComparison of the structural characteristics of coppice and standard stands of oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests
(Case study: forests of Kojoor, Nowshahr) [Volume 15, Issue 3, 2023, Pages 259-276]
DistributionPredicting climate change impacts on distribution of Brant's oak trees
(Quercus brantii Lindl.) in the Zagros forests, Fars Province [Volume 15, Issue 4, 2023, Pages 393-409]
DiversityComparison of the abundance and diversity of soil invertebrates between managed and unmanaged compartments in the Haftkhal forests of Mazandaran [Volume 15, Issue 4, 2023, Pages 481-495]
Drought stressResponse of wild Pistachio seedlings to inoculation with microorganisms under two moisture levels in greenhouse [Volume 15, Issue 2, 2023, Pages 179-194]
Dwarf mistletoeInfection of juniper trees (Juniperus excelsa M. Bieb.) to juniper dwarf mistletoe (Arceuthobium oxycedri (D.C.) M. Bieb.) in forests of Miankouh Tash protected area, Shahroud [Volume 15, Issue 4, 2023, Pages 497-514]
DynamicsSpatial pattern and structural characteristics of Fagus orientalis forests in the optimal developmental stage (Case study: Kheyroud forest, Nowshahr) [Volume 15, Issue 2, 2023, Pages 155-165]
E
EcohydrologyEstimation of canopy and trunk ecohydrological parameters of coniferous and broadleaf trees in Zagros forests (Case study: Choqasabz Forest Park, Ilam) [Volume 15, Issue 4, 2023, Pages 429-444]
Ecological factorsAstragalus ovinus Boiss. Responses Along the Gradient of Environmental Factors in
Oak Forests of Yasouj, Iran [Volume 15, 1En (English issue), 2023, Pages 11-24]
Ecological groupsIndicator species analysis by considering all possible combinations of site groups [Volume 15, Issue 4, 2023, Pages 411-428]
Ecological indicatorHabitat suitability modeling of cave dweller bats in Rudbar county to introduce the conservation-management unit of forest [Volume 15, Issue 1, 2023, Pages 87-105]
EcosystemAnalysis of factors affecting forest health based on DEMATEL-ANP (DANP) approach in Masouleh watershed, Guilan province [Volume 15, Issue 4, 2023, Pages 461-479]
Effective carrying capacityEstimation of nature tourism carrying capacity in the mangrove forests of Khamir and Qeshm [Volume 15, Issue 3, 2023, Pages 377-392]
Electronic dustometerEvaluation of effects of xanthan and molasses mulches of sugar beet on dust control in forest roads of Arghavan protected area of Ilam city [Volume 15, Issue 1, 2023, Pages 1-15]
Ensemble modelHabitat suitability modeling of cave dweller bats in Rudbar county to introduce the conservation-management unit of forest [Volume 15, Issue 1, 2023, Pages 87-105]
Environmental conditionsLeaf Microstructure and Adaptation Relationships in
Ten Woody Species from the Semi-Arid Forests [Volume 15, 1En (English issue), 2023, Pages 53-72]
Environmental variablesIdentifying the most important factors affecting the distribution of Ash (Fraxinus excelsior L.) and detect potential habitats areas in Kherudkanar Nowshahr forest [Volume 15, Issue 1, 2023, Pages 69-85]
ErosionEstimating the amount of forest road sedimentation employing Washington Surface Erosion Model and evaluating the effect of fillslope variables on it [Volume 15, Issue 3, 2023, Pages 345-360]
EvennessComparison of the abundance and diversity of soil invertebrates between managed and unmanaged compartments in the Haftkhal forests of Mazandaran [Volume 15, Issue 4, 2023, Pages 481-495]
F
Fars provincePredicting climate change impacts on distribution of Brant's oak trees
(Quercus brantii Lindl.) in the Zagros forests, Fars Province [Volume 15, Issue 4, 2023, Pages 393-409]
Field capacityGrowth performance and defense response of Fraxinus excelsior L. seedlings to drought stress [Volume 15, Issue 2, 2023, Pages 243-258]
Field operationSurveying and study on the biometric variables of poplar plantations in Guilan province [Volume 15, Issue 2, 2023, Pages 195-210]
Forest conservationInfection of juniper trees (Juniperus excelsa M. Bieb.) to juniper dwarf mistletoe (Arceuthobium oxycedri (D.C.) M. Bieb.) in forests of Miankouh Tash protected area, Shahroud [Volume 15, Issue 4, 2023, Pages 497-514]
Forest degradationThe study of causes and factors of illegal logging in Caspian Forests [Volume 15, Issue 1, 2023, Pages 35-51]
Forest destructionEvaluation of participatory management in the protection of biosphere reserves
(Case study: Golestan National Park) [Volume 15, Issue 4, 2023, Pages 445-459]
Forest EcosystemsAppraisal of Carbon Sequestration Capacity of Soil and Underground Biomass in Mixed stands of Beech and Hornbeam (A case study: Lirasar Forest- Tonekabon) [Volume 15, Issue 2, 2023, Pages 141-154]
Forest Health IndexAnalysis of factors affecting forest health based on DEMATEL-ANP (DANP) approach in Masouleh watershed, Guilan province [Volume 15, Issue 4, 2023, Pages 461-479]
Forest planEvaluation of monitoring criteria and indicators of Zagros forest resources management plan by local communities (case study: Bazoft region) [Volume 15, Issue 3, 2023, Pages 277-291]
Forest RoadEstimating the amount of forest road sedimentation employing Washington Surface Erosion Model and evaluating the effect of fillslope variables on it [Volume 15, Issue 3, 2023, Pages 345-360]
Forest soilEvaluating the response of ecosystems to land-use change using soil quality index-Alandan forest Sari [Volume 15, Issue 1, 2023, Pages 17-34]
Forest soilVariations of soil carbon storage according to age in reforested stands of Acer velutinum Boiss. (case study: Neka-Zhalmroud forests) [Volume 15, Issue 3, 2023, Pages 293-311]
Generalized additive modelAstragalus ovinus Boiss. Responses Along the Gradient of Environmental Factors in
Oak Forests of Yasouj, Iran [Volume 15, 1En (English issue), 2023, Pages 11-24]
Genetic protectionGenetic diversity of Parrotia persica (DC) C.A. Meyer in Hyrcanian forests [Volume 15, Issue 3, 2023, Pages 313-327]
Glandular trichomesLeaf Microstructure and Adaptation Relationships in
Ten Woody Species from the Semi-Arid Forests [Volume 15, 1En (English issue), 2023, Pages 53-72]
Global warmingReconstruction of Jan-Mar mean temperature using tree ring widths of Juniper trees in the east of Lorestan province [Volume 15, Issue 1, 2023, Pages 53-67]
GrazingThe effect of some anthropogenic disturbances on the structure of oak forests in the Central Zagros [Volume 15, Issue 3, 2023, Pages 361-376]
Grounded theoryThe study of causes and factors of illegal logging in Caspian Forests [Volume 15, Issue 1, 2023, Pages 35-51]
Growth promoting rhizobacteriaImprovement of growth -physiological traits of hazelnuts provenances inoculated with growth promoting bacteria under field conditions [Volume 15, Issue 2, 2023, Pages 211-225]
H
Habitat suitability modelIdentifying the most important factors affecting the distribution of Ash (Fraxinus excelsior L.) and detect potential habitats areas in Kherudkanar Nowshahr forest [Volume 15, Issue 1, 2023, Pages 69-85]
HazelnutImprovement of growth -physiological traits of hazelnuts provenances inoculated with growth promoting bacteria under field conditions [Volume 15, Issue 2, 2023, Pages 211-225]
I
IncrementRotation Age of Populus deltoides Marshall. Based on Optimizing Net Present Value of Timber and Carbon Sequestration at the Finite Series of Identical in Guilan [Volume 15, Issue 1, 2023, Pages 107-124]
Indicator prioritizationEvaluation of monitoring criteria and indicators of Zagros forest resources management plan by local communities (case study: Bazoft region) [Volume 15, Issue 3, 2023, Pages 277-291]
IndValIndicator species analysis by considering all possible combinations of site groups [Volume 15, Issue 4, 2023, Pages 411-428]
Integrated ApproachAnalysis of factors affecting forest health based on DEMATEL-ANP (DANP) approach in Masouleh watershed, Guilan province [Volume 15, Issue 4, 2023, Pages 461-479]
InterferometryFeasibility of single-polarized TanDEM-X data for Hyrcanian forest height estimation (Case study: Shast-Kalateh forest) [Volume 15, Issue 3, 2023, Pages 329-343]
K
Keystone speciesHabitat suitability modeling of cave dweller bats in Rudbar county to introduce the conservation-management unit of forest [Volume 15, Issue 1, 2023, Pages 87-105]
Khamir and Qeshm mangrove forestsEstimation of nature tourism carrying capacity in the mangrove forests of Khamir and Qeshm [Volume 15, Issue 3, 2023, Pages 377-392]
L
Leaf micro-morphologyLeaf Microstructure and Adaptation Relationships in
Ten Woody Species from the Semi-Arid Forests [Volume 15, 1En (English issue), 2023, Pages 53-72]
M
Marginal RevenueRotation Age of Populus deltoides Marshall. Based on Optimizing Net Present Value of Timber and Carbon Sequestration at the Finite Series of Identical in Guilan [Volume 15, Issue 1, 2023, Pages 107-124]
MAXENTPredicting climate change impacts on distribution of Brant's oak trees
(Quercus brantii Lindl.) in the Zagros forests, Fars Province [Volume 15, Issue 4, 2023, Pages 393-409]
Mingling indexSpatial pattern and intra-specific competition of beech trees in the development stage of volume accumulation in Hyrcanian forest
(Case study: Kheyroud forest, Nowshahr) [Volume 15, Issue 2, 2023, Pages 167-178]
Minimum Data SetEvaluating the response of ecosystems to land-use change using soil quality index-Alandan forest Sari [Volume 15, Issue 1, 2023, Pages 17-34]
Molecular markerGenetic diversity of Parrotia persica (DC) C.A. Meyer in Hyrcanian forests [Volume 15, Issue 3, 2023, Pages 313-327]
Monte Carlo rangeSpatial pattern and intra-specific competition of beech trees in the development stage of volume accumulation in Hyrcanian forest
(Case study: Kheyroud forest, Nowshahr) [Volume 15, Issue 2, 2023, Pages 167-178]
N
Natural EnemySpecies diversity and richness of the superfamily Chalcidoidea associated with the asexual generations of the oak gallwasps species on Quercus infectoria Oliv. in West-Azarbaijan province [Volume 15, Issue 2, 2023, Pages 227-242]
Natural forestComparison of the abundance and diversity of soil invertebrates between managed and unmanaged compartments in the Haftkhal forests of Mazandaran [Volume 15, Issue 4, 2023, Pages 481-495]
Natural regenerationThe Effect of Understory Shrub Species on the Natural Regeneration of
Hyrcanian Mixed Broad-Leaved Forests (Kheyrud, Iran) [Volume 15, 1En (English issue), 2023, Pages 1-10]
Natural regenerationMangrove Afforestation and Reforestation in Coastal Areas of
the Bushehr Province [Volume 15, 1En (English issue), 2023, Pages 25-36]
Non-governmental OrganizationsEvaluation of participatory management in the protection of biosphere reserves
(Case study: Golestan National Park) [Volume 15, Issue 4, 2023, Pages 445-459]
Nurse shrubsThe Effect of Understory Shrub Species on the Natural Regeneration of
Hyrcanian Mixed Broad-Leaved Forests (Kheyrud, Iran) [Volume 15, 1En (English issue), 2023, Pages 1-10]
O
Oak charcoal diseaseResistance induction to drought and charcoal disease in brant’s oak seedling by seed priming [Volume 15, Issue 1, 2023, Pages 125-140]
OrdinationAstragalus ovinus Boiss. Responses Along the Gradient of Environmental Factors in
Oak Forests of Yasouj, Iran [Volume 15, 1En (English issue), 2023, Pages 11-24]
P
Participatory ManagementEvaluation of participatory management in the protection of biosphere reserves
(Case study: Golestan National Park) [Volume 15, Issue 4, 2023, Pages 445-459]
Phosphate-solubilizing bacteriaResponse of wild Pistachio seedlings to inoculation with microorganisms under two moisture levels in greenhouse [Volume 15, Issue 2, 2023, Pages 179-194]
Physical Carrying CapacityEstimation of nature tourism carrying capacity in the mangrove forests of Khamir and Qeshm [Volume 15, Issue 3, 2023, Pages 377-392]
PlantationEvaluating the response of ecosystems to land-use change using soil quality index-Alandan forest Sari [Volume 15, Issue 1, 2023, Pages 17-34]
Plant communitiesIndicator species analysis by considering all possible combinations of site groups [Volume 15, Issue 4, 2023, Pages 411-428]
Policy makingThe study of causes and factors of illegal logging in Caspian Forests [Volume 15, Issue 1, 2023, Pages 35-51]
PolymorphismGenetic diversity of Parrotia persica (DC) C.A. Meyer in Hyrcanian forests [Volume 15, Issue 3, 2023, Pages 313-327]
Potassium nitrateResistance induction to drought and charcoal disease in brant’s oak seedling by seed priming [Volume 15, Issue 1, 2023, Pages 125-140]
Predictive ModelsEstimating the amount of forest road sedimentation employing Washington Surface Erosion Model and evaluating the effect of fillslope variables on it [Volume 15, Issue 3, 2023, Pages 345-360]
Q
Quercus brantiiPredicting climate change impacts on distribution of Brant's oak trees
(Quercus brantii Lindl.) in the Zagros forests, Fars Province [Volume 15, Issue 4, 2023, Pages 393-409]
Quercus infectoriaSpecies diversity and richness of the superfamily Chalcidoidea associated with the asexual generations of the oak gallwasps species on Quercus infectoria Oliv. in West-Azarbaijan province [Volume 15, Issue 2, 2023, Pages 227-242]
QuestionnaireAnalysis of factors affecting forest health based on DEMATEL-ANP (DANP) approach in Masouleh watershed, Guilan province [Volume 15, Issue 4, 2023, Pages 461-479]
R
Real Carrying CapacityEstimation of nature tourism carrying capacity in the mangrove forests of Khamir and Qeshm [Volume 15, Issue 3, 2023, Pages 377-392]
ReforestationMangrove Afforestation and Reforestation in Coastal Areas of
the Bushehr Province [Volume 15, 1En (English issue), 2023, Pages 25-36]
Riparian habitatsHabitat suitability modeling of cave dweller bats in Rudbar county to introduce the conservation-management unit of forest [Volume 15, Issue 1, 2023, Pages 87-105]
RVoG modelFeasibility of single-polarized TanDEM-X data for Hyrcanian forest height estimation (Case study: Shast-Kalateh forest) [Volume 15, Issue 3, 2023, Pages 329-343]
S
Salicylic AcidResistance induction to drought and charcoal disease in brant’s oak seedling by seed priming [Volume 15, Issue 1, 2023, Pages 125-140]
SedimentationEstimating the amount of forest road sedimentation employing Washington Surface Erosion Model and evaluating the effect of fillslope variables on it [Volume 15, Issue 3, 2023, Pages 345-360]
SeedlingThe Effect of Understory Shrub Species on the Natural Regeneration of
Hyrcanian Mixed Broad-Leaved Forests (Kheyrud, Iran) [Volume 15, 1En (English issue), 2023, Pages 1-10]
Seedling survival rateMangrove Afforestation and Reforestation in Coastal Areas of
the Bushehr Province [Volume 15, 1En (English issue), 2023, Pages 25-36]
Semi-arid plantsLeaf Microstructure and Adaptation Relationships in
Ten Woody Species from the Semi-Arid Forests [Volume 15, 1En (English issue), 2023, Pages 53-72]
Sinc model. CoherencyFeasibility of single-polarized TanDEM-X data for Hyrcanian forest height estimation (Case study: Shast-Kalateh forest) [Volume 15, Issue 3, 2023, Pages 329-343]
Single-selectionComparison of the abundance and diversity of soil invertebrates between managed and unmanaged compartments in the Haftkhal forests of Mazandaran [Volume 15, Issue 4, 2023, Pages 481-495]
Skid TrailLong-Term Effects of Timber Extraction by a Crawler Tractor on
Soil Condition Recovery in a Mixed Forest [Volume 15, 1En (English issue), 2023, Pages 37-51]
Social EffectsEvaluation of monitoring criteria and indicators of Zagros forest resources management plan by local communities (case study: Bazoft region) [Volume 15, Issue 3, 2023, Pages 277-291]
Soil disturbanceLong-Term Effects of Timber Extraction by a Crawler Tractor on
Soil Condition Recovery in a Mixed Forest [Volume 15, 1En (English issue), 2023, Pages 37-51]
Soil recoveryLong-Term Effects of Timber Extraction by a Crawler Tractor on
Soil Condition Recovery in a Mixed Forest [Volume 15, 1En (English issue), 2023, Pages 37-51]
Species response curveAstragalus ovinus Boiss. Responses Along the Gradient of Environmental Factors in
Oak Forests of Yasouj, Iran [Volume 15, 1En (English issue), 2023, Pages 11-24]
Statistical methodsIdentifying the most important factors affecting the distribution of Ash (Fraxinus excelsior L.) and detect potential habitats areas in Kherudkanar Nowshahr forest [Volume 15, Issue 1, 2023, Pages 69-85]
Stem AnalysisRotation Age of Populus deltoides Marshall. Based on Optimizing Net Present Value of Timber and Carbon Sequestration at the Finite Series of Identical in Guilan [Volume 15, Issue 1, 2023, Pages 107-124]
StemflowEstimation of canopy and trunk ecohydrological parameters of coniferous and broadleaf trees in Zagros forests (Case study: Choqasabz Forest Park, Ilam) [Volume 15, Issue 4, 2023, Pages 429-444]
StockComparison of the structural characteristics of coppice and standard stands of oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests
(Case study: forests of Kojoor, Nowshahr) [Volume 15, Issue 3, 2023, Pages 259-276]
StomataLeaf Microstructure and Adaptation Relationships in
Ten Woody Species from the Semi-Arid Forests [Volume 15, 1En (English issue), 2023, Pages 53-72]
Stomatal conductanceImprovement of growth -physiological traits of hazelnuts provenances inoculated with growth promoting bacteria under field conditions [Volume 15, Issue 2, 2023, Pages 211-225]
Sugar Beet MolassesEvaluation of effects of xanthan and molasses mulches of sugar beet on dust control in forest roads of Arghavan protected area of Ilam city [Volume 15, Issue 1, 2023, Pages 1-15]
SustainabilityAnalysis of factors affecting forest health based on DEMATEL-ANP (DANP) approach in Masouleh watershed, Guilan province [Volume 15, Issue 4, 2023, Pages 461-479]
T
Temperature reconstructionReconstruction of Jan-Mar mean temperature using tree ring widths of Juniper trees in the east of Lorestan province [Volume 15, Issue 1, 2023, Pages 53-67]
Temprate forestsThe Effect of Understory Shrub Species on the Natural Regeneration of
Hyrcanian Mixed Broad-Leaved Forests (Kheyrud, Iran) [Volume 15, 1En (English issue), 2023, Pages 1-10]
Treatment concentrationEvaluation of effects of xanthan and molasses mulches of sugar beet on dust control in forest roads of Arghavan protected area of Ilam city [Volume 15, Issue 1, 2023, Pages 1-15]
U
Underground biomassAppraisal of Carbon Sequestration Capacity of Soil and Underground Biomass in Mixed stands of Beech and Hornbeam (A case study: Lirasar Forest- Tonekabon) [Volume 15, Issue 2, 2023, Pages 141-154]
Understory cultivationThe effect of some anthropogenic disturbances on the structure of oak forests in the Central Zagros [Volume 15, Issue 3, 2023, Pages 361-376]
Uniform angle indexSpatial pattern and intra-specific competition of beech trees in the development stage of volume accumulation in Hyrcanian forest
(Case study: Kheyroud forest, Nowshahr) [Volume 15, Issue 2, 2023, Pages 167-178]
Uniform angle indexSpatial pattern and structural characteristics of Fagus orientalis forests in the optimal developmental stage (Case study: Kheyroud forest, Nowshahr) [Volume 15, Issue 2, 2023, Pages 155-165]
Univariate L11 functionSpatial pattern and intra-specific competition of beech trees in the development stage of volume accumulation in Hyrcanian forest
(Case study: Kheyroud forest, Nowshahr) [Volume 15, Issue 2, 2023, Pages 167-178]
V
Vehicle TrafficEvaluation of effects of xanthan and molasses mulches of sugar beet on dust control in forest roads of Arghavan protected area of Ilam city [Volume 15, Issue 1, 2023, Pages 1-15]
W
Water DeficiGrowth performance and defense response of Fraxinus excelsior L. seedlings to drought stress [Volume 15, Issue 2, 2023, Pages 243-258]
Water deficitResistance induction to drought and charcoal disease in brant’s oak seedling by seed priming [Volume 15, Issue 1, 2023, Pages 125-140]
Weighted indexEvaluating the response of ecosystems to land-use change using soil quality index-Alandan forest Sari [Volume 15, Issue 1, 2023, Pages 17-34]
West-AzarbaijanSpecies diversity and richness of the superfamily Chalcidoidea associated with the asexual generations of the oak gallwasps species on Quercus infectoria Oliv. in West-Azarbaijan province [Volume 15, Issue 2, 2023, Pages 227-242]
Wood farmingSurveying and study on the biometric variables of poplar plantations in Guilan province [Volume 15, Issue 2, 2023, Pages 195-210]