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Earthworm biomass and abundance, soil chemical and physical properties under different poplar plantations in the north of Iran
soil properties populus clones populus caspica organic carbon poplar
2015/4/24
We evaluated earthworm abundance and biomass in plantations of different poplar species and clones as well as the effect of some soil chemical and physical properties on them. Even-aged poplar species...
Productivity and cost analysis of skidding with Timberjack 450C in forest plantations in Shafaroud watershed, Iran
forest operation wood extraction skidder time study Iran
2015/4/24
We present research results of timber skidding by a Timberjack 450C skidder in the path cutting of pine trees in Shafaroud watershed. Time studies were conducted to quantify the productivity and perat...
Considering the relationship of slope and soil loss on skid trails in the north of Iran (a case study)
harvesting runoff
2015/4/24
With increasing mechanization of forest harvesting operations the impacts on soil have increased quite dramatically. The objective of this paper was to examine the relationship of slope and soil loss....
Analytical hierarchy process to choose the best earthwork machine in northern forests of Iran
best selection earthwork machine environmental criteria analytical hierarchy process northern forests
2015/4/24
This study attempts to use the analytical hierarchy process to choose the most appropriate earthwork machine for slope classes of 30–50% and 50–70%. Required data were collected by pairwise comparison...
Determination of correction coefficient of average skidding distance according to the existing road network in Alikia Soltan forest of Iran
theoretical average skidding distance real average skidding distance skid trails
2015/4/24
One of the factors in planning forest roads is average skidding distance which is calculated in projects from the map, according to forest road density, however it has a low accuracy. In this study re...
Occurrence and diversity of Eimeria species in cattle in Hamedan province, Iran
Eimeria spp. OPG risk factors faecal samples calf age Iran
2015/4/17
Information on the occurrence, diversity and economic losses due to Eimeria infection on cattle farms is lacking in Western Iran. The principal aim of this study was to determine the prevalence and di...
Epidemiology of Theileria equi in Persian Arab horses from Iran
Theileria equi horse polymerase chain reaction Iran
2015/4/17
The Khuzestan province in south-western Iran is the centre of Persian Arab horse breeding and training. The present study was aimed at determining the prevalence of Theileria equi in the equids of thi...
Molecular detection of antimicrobial resistance genes in E. coli isolated from slaughtered commercial chickens in Iran
Escherichia coli chicken meat antibiotic-resistance genes PCR Iran
2015/4/16
This study was carried out to detect the distribution of antibiotic-resistant genes in Escherichia coli isolates from slaughtered commercial chickens in Iran by PCR. The investigated genes included aa...
Seroprevalence of avian metapneumovirus infection in broiler and broiler breeder chickens in Iran
avian metapneumovirus seroprevalence avian pneumovirus
2015/4/15
Avian metapneumovirus causes an acute highly contagious upper respiratory tract infection primarily of turkeys and chickens. The disease can cause significant economic losses in turkey and chicken flo...
Prevalence of Linguatula serrata infection among dogs (definitive host) and domestic ruminants (intermediate host) in the North West of Iran
Linguatulla serrate dog domestic ruminants Iran
2015/4/15
Linguatula serrata is a zoonotic parasite causing visceral and nasopharyngeal linguatulosis in humans. Dog and other canines are the main definitive hosts while most herbivores, including ruminants se...
Evaluation of full tree skidding by HSM-904 skidder in patch cutting of aspen plantation in Northern Iran
time consumption HSM-904 skidder skidding cost
2015/4/14
This paper presents research results of the performance of HSM-904 grapple skidder using a full tree harvesting method in a non-native aspen Populus deltoides plantation in even terrain conditions in ...
Estimation of leaf area index and assessment of its allometric equations in oak forests: Northern Zagros, Iran
allometric relationships destructive sampling leaf area index Quercus libani Oliv. specific leaf area
2015/4/14
The focus of the present study is the estimation of leaf area index (LAI) and the assessment of allometric equations for predicting the leaf area of Lebanon oaks (Quercus libani Oliv.) in Iran’s north...
Effect of log length on productivity and cost of Timberjack 450C skidder in the Hyrcanian forest in Iran
Hyrcanian forest skidding Timberjack 450C short-log method long-log method
2015/4/14
This paper presents research results on the performance of the Timberjack 450C skidder in timber skidding at two working sites of broadleaved trees in mountainous conditions in the Hyrcanian forest. T...
Evaluation of squared timber and log products in the Hyrcanian Forests of Iran
Hyrcanian Forests logs mechanized harvesting system squared timber
2015/3/27
The forests located in the northern areas of Iran are known as Hyrcanian Forests and are distributed across three provinces, namely Gilan, Maznadarn and Golestan. These provinces are situated in the n...
Characteristics of coarse woody debris in successional stages of natural beech (Fagus orientalis) forests of Northern Iran
coarse woody debris Fagus orientalis Lipsky forest succession natural beech forest Northern Iran
2015/3/20
Coarse woody debris (CWD) is an important structural and functional component in forests in Northern Iran. In this study we determine the temporal patterns of CWD in Kheyroud Forests by examining the ...