Volume 91
ROUND TIMBER MARKET REVIEW FOR THE PERIOD 2018-2020
Lubcho Trichkov
ANALYSIS OF THE USE OF WOOD FROM MUNICIPAL FOREST TERRITORIES IN BULGARIÀ
Stefan Bechev
ANALYSIS AND ASSESSMENT OF THE POTENTIAL FOR BIOENERGY PRODUCTION FROM FORESTS IN BULGARIA
Lora Stoeva, Ivaylo Markov, Miglena Zhiyanski
MAKING OF HEIGHT-CLASS VOLUMETRIC TABLE FOR THE DOUGLAS FIR (PSEUDOTSUGA MENZIESII (MIRB.) FRANCO) IN WESTERN RHODOPES
Àngel Ferezliev. Rumen Petrin
VERIFICATION FOR PRECISION AND ADEQUACY OF THE HEIGHT-CLASS VOLUMETRIC TABLE FOR DOUGLAS FIR (PSEUDOTSUGA MENZIESII (MIRB.) FRANCO) IN WETSERN RHODOPES
Àngel Ferezliev. Rumen Petrin
OVERVIEW OF TREE INVESTIGATION DEVICES
Maxim Yanev, Sotir Glushkov, Dimitar Boyadzhiev
PULSE TOMOGRAPHY OF TREES
Maxim Yanev, Sotir Glushkov
INDEX CURVES, AND TYPES OF GROWTH BY HEIGHT OF CONIFEROUS TREE SPECIES
Rumen Petrin
APPLICATION OF THE MEDIUM MOBILE CABLE LINE MOUNTY 4000 FOR DIFFERENT TYPES OF CUTTING ON STEEP TERRAINS IN BULGARIA
Dimitar Boyadzhiev, Sotir Glushkov
INVESTIGATION OF THE WORK OF A CRANE – PROCESSOR WOODY H 50 MOUNTED ON MOUNTY 4000 MOUNTAIN HARVESTER WHEN PROCESSING CONIFER WOOD
Dimitar Boyadzhiev, Stefan Stoyanov, Sotir Glushkov
APPLYING METHODOLOGY FOR SOIL EROSION RISK ASSESSMENT IN MOUNTAIN CATCHMENT, PART OF STRUMA RIVER
Eli Pavlova-Traykova, Rositsa Yaneva
INFLUENCE OF GROWTH TYPE ON THE OCCURRENCE OF THE QUANTITATIVE MATURITY OF THE NATURAL BLACK PINE FORESTS (PINUS NIGRA ARN.) IN THE NORTHWESTERN RHODOPES
Filip Ustabashiev
MONITORING OF THE DISTRIBUTION OF SPECIES FROM CLASS AVES IN THE PROTECTIVE AREA „LA BORA“, REGION EMILIA-ROMAGNA, ITALY
Georgi Mazakov, Aleksandar Kamenov
DEFORMATION BEHAVIOR OF POLYURETHANE FOAMS CONSTRUCTING THE UPHOLSTERY STRUCTURE
Yancho Genchev, Rostislav Bozhkov