broj: 3-4/1996        pdf (28,4 MB)



HR EN

                    stari brojevi      novi broj

Znanstveno-stručno i staleško glasilo
Hrvatskoga šumarskoga društva
Journal of Forestry Society of Croatia
      Prvi puta izašao 1877. godine i neprekidno izlazi do današnjeg dana
   ISSN No.: 0373-1332              UDC 630* https://doi.org/10.31298/sl
upute autorima
WEB EDITION
ARHIVA ČASOPISA


HRČAK


 
ORIGINAL SCIENTIFIC PAPERS
     
Matić, S., Oršanić, M., Anić, I. UDK 630*221.4.001
Some Features and Problems Concerning Silver Fir (Abies alba Mill.) Selection Forests in Croatia     pdf     HR     EN 91
Hrašovec, B., Margaletić, J. UDK 630*449 : 323.3.001
Seed Pests and their Impact on Reforestation Efforts in Croatia     pdf     HR     EN 101
Španjol, Ž. UDK 502.7.001
Environmental Protection in the Republic of Croatia     pdf     HR     EN 107
Borzan, Ž., Idžojtić, M., Guttenberger, H. UDK 630*165.42.001 (Picea omorika Panč.)
Research on the Standardization of Gymnosperm Karyotypes using Picea Omorica as an Example     pdf     HR     EN 121
Sever, S. UDK 630*31+903+681 (497.13).001
Some Experience in the Attempt to Define Logging Strategies in Croatia, a Country in Transition     pdf     HR     EN 133
Horvat, D., Sever, S. UDK 631*352.5+319.4 : 630*232.326.2+236.9 : 631*072.16.001
Mulching Flail Mower - one Method for Mechanization of Stand Establishment and Treatment Operations     pdf     HR     EN 143
Krpan, A. P. B. UDK 630*379.001
Problem of Skidding Timber in Croatian Lowland Forests     pdf     HR     EN 151
Summary: Difficult terrains of forest exploitation in the Republic of Croatia cannot be merely found in mountainous region of the Dinarids or the central and marginal Panonian highlands where terrain slopes and significant surface obstacles represent a complicating factor. Problems frequently arise at the exploitation of lowland forests in which the highgrade pedunculate oak predominates. Pedunculate oak forests grow in lowland flooded areas on deep running coherent soils which are almost throughout the year, particularly during the winter felling and skidding period exposed to the moistening of

flood, precipitation or ground water. With the absence of strong winters which has become quite regular in the past few years, the before mentioned moistened soils become a limiting factor at the application of standard machinery equipment.

Skidders, forwarders and recently introduced mobile cable cranes are frequently used for skidding round timber in seed and final felling Croatian lowland forests.

In order to protect soil at final felling of oak, skidders and forwarders are used in convenient ground strength conditions. On the contrary, mobile cable cranes are used.

This paper presents research results obtained by measurements at the LKT 81 skidder, the VKS 9041 forwarder and the STEYR KSK 16 mobile cable crane on skidding pedunculate oak round timber. With respect to tree dimensions at final felling the wood assortment method has been mainly used.
Key words: skidder; forwarder; mobile cable crane; work study; productivity
Horvat, D., Sever, S. UDK 630*375.M--015.2 (234.5) : 630*377.2.001
Some Properties of the Skidders Used Mountain Forest Stand Thinning     pdf     HR     EN 157
Goglia, V., Horvat, D., Risović, S., Sever, S. UDK 332.14.839.31+861.0.001
Past and the Future of the Forest Biomass Utilization in Croatia     pdf     HR     EN 163
Kušan, V. UDK 630*587.001
The Approach to Remote Sensing and GIS in Croatian Forestry     pdf     HR     EN 171
Tomanić, S. UDK 630*689.001
Choise of Subject of Research in Forest Operations     pdf     HR     EN 179
Goglia, V. UDK 630*362.7-015.21(083.7)001
Parameters Influenting the Vibration Level of Portable Chain Saw     pdf     HR     EN 187
Goglia, V., Beljo, R. UDK 630*822.34:621*935+9.02.001
Lateral Movement of the Band Saw Blade and Machine´s own Resistance Power in Relation to the Strain Force     pdf     HR     EN 195
Korpel, Š. UDK 630*228.81+221.4.001
Development and Strukture of Beech-Fir Virgin Forests and their Application to the Selection Forest Management     pdf     HR     EN 203

                UNDER CONSTRUCTION