pine forests
INTENSIVE MANAGEMENT FOR OPTIMIZING THE PRODUCTION OF HIGH-VALUE LOGS OF PINE FORESTS IN SOUTHERN BRAZIL
... on pine cultivations, the intensity, time, and type of thinnings are not easily determined, mainly for production of high-value logs, whose diameters are larger than the ...the forests destined to ...
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Economic assessment of managing processionary moth in pine forests: a case study in Portugal
... 4. Extended Economic Analysis 2 (EEA2): effects external to the market e i.e. intangibles, externalities, public goods/bads, on-site and off-site e enter the CBA in this step. This is the most challenging step, requiring ...
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Stand, tree and crown variables affecting cone crop and seed yield of Aleppo pine forests in different bioclimatic regions in Tunisia
... Aleppo pine seed has a great importance, since in the last decades human consumption has risen ...Aleppo pine, Tunisia’s native Aleppo pine forests were surveyed in summer 2006, using 79 plots ...
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Stand, tree and crown variables affecting cone crop and seed yield of Aleppo pine forests in different bioclimatic regions of Tunisia
... Aleppo pine (Pinus halepensis ...Aleppo pine forests cover 361,221 ha, representing more than ...Aleppo pine depends exclusively on seeds, since it has no resprouting capacity (Trabaud, ...
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Clear cuttings imposed by EU regulations are not sufficiently effective to eradicate the invasive pine wood nematode in non-fragmented pine forests
... This study shows that the eradication measure requesting to cut, remove and dispose of all susceptible host trees within a radius of 500 m from infected trees is not effective to eradicate a PWN infec- tion spot in ...
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Effects of dwarf mistletoe on stand structure of lodgepole pine forests 21-28 years post-mountain pine beetle epidemic in central Oregon.
... lodgepole pine influences hydrologic function [16], biodiversity [17], stand productivity [18], and ecosystem resistance and resilience to insect outbreaks [11], [19], fire [20], fungal infections [21], as well as ...
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Rapid Increases in forest understory diversity and productivity following a mountain pine beetle (Dendroctonus ponderosae) outbreak in pine forests.
... mountain pine beetle (Dendroctonus ponderosae) in lodgepole pine (Pinus contorta) forests of western Canada has resulted in a landscape consisting of a mosaic of forest stands at different stages of ...
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INTENSIVE MANAGEMENT FOR OPTIMIZING THE PRODUCTION OF HIGH-VALUE LOGS OF PINE FORESTS IN SOUTHERN BRAZIL
... on pine cultivations, the intensity, time, and type of thinnings are not easily determined, mainly for production of high-value logs, whose diameters are larger than the ...the forests destined to ...
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Pine Wilt Disease: A Threat to Pine Forests in Turkey?
... susceptible pine forests of the ...in pine forests of ...of pine species and the pathogenic potential of Bursaphelenchus species found in pine forests of ...
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Technogenic pollution of pine forests by polycyclic aromatic hydrocarbons
... boreal forests by polycyclic aromatic hydrocarbons was assessed by polycyclic aromatic hydrocarbon (PAH) concentrations in needles of Scots pine (Pinus sylvestris ...herb pine forests (mostly ...
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Field measurements of trace gases emitted by prescribed fires in southeastern US pine forests using an open-path FTIR system
... three pine-understory prescribed fires in South Carolina, US mea- sured during the fall of ...ture pine stands not subjected to prescribed fire in decades that were lit following an extended ...
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Carbon Stock Potential of Oak and Pine Forests in Garhwal Region in Indian Central Himalayas
... In the forests of Garhwal Himalayas local communities pick up the dead wood and fallen stumps for fulfilling their daily requirement. Many mountain communities still rely on fuel wood burning for domestic use. The ...
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Effects of seed availability on eurasian red squirrel (Sciurus vulgaris):life-history and demographic parameters in two pine forests in the italian Alps
... males and females did not differ in body size measurements and had similar body mass in late autumn and winter, but females weighed more than males in the breeding season (during pregnancy or lactation, Wauters & ...
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The Pine Wood Nematode: a personal view
... The pine wilt disease is a threat to pine forests in southern Europe, and the predicted climatic changes, such as increasingly warm and unusual weather conditions, may significantly influence the ...
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Pine wilt disease in Europe
... Earlier, a pest risk analysis (PRA) had been done regarding EU concerns about wood shipments arriving in Europe (Evans 1996). However, this PRA was done without PWN actually being present in Europe. After 1999 the need ...
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The portuguese forests
... were forests in the valleys of difficult access and on the hillsides, but the top of the mountains, more exposed to wind and erosion, had poor forest ...natural forests (Quercus robur, Quercus pyrenaica, ...
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Pine wilt disease and the pinewood nematode
... After World War II, General Headquarters (GHQ) of the Allied occupation military was seriously concerned about the devastated pine forests, and charged a forest entomologist, Dr. R. L. Furniss, to inspect ...
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Diversity of Pentatomoidea (Hemiptera) in riparian forests of southern Brazil: taller forests, more bugs
... riparian forests of the Pampa grasslands could exert a strong influence on its pentatomoid fauna, probably in terms of abiotic ecological factors as sunlight and higrothermal ...
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Pine Seeds Treatment with Trichoderma for Fusarium Control
... were causing stem-base girdling and damping-off. Although the treatment of forest seeds can be used to avoid the spread of pathogens and to guarantee plant health and silvicultural quality, this tools has been still ...
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Fabrication of biocompatible hydrogels from pine resin
... Along with the other naturally occurring materials previ- ously discussed rosin has been studied as an application for drug delivery [11] obtained from Pinus palustris [12] (Figure 6), the long leaf pine. It has ...
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