caa a22 4500 463218248 CHVBK 20180405153204.0 cr unu---uuuuu 170326e20070901xx s 000 0 eng 10.1007/s11056-007-9043-x doi (NATIONALLICENCE)springer-10.1007/s11056-007-9043-x Stand Density Control Diagrams for Scots pine and Austrian black pine plantations in Bulgaria [Elektronische Daten] [Tatiana Stankova, Masato Shibuya] Stand Density Control Diagram (SDCD) is a stand-level mathematical model, which describes the relationships between yield, density and mortality throughout all stages of stand development. The SDCD is primarily used to derive density control schedules by management objectives. The main objectives of the present study are to define a modified model of SDCD for application to Scots pine (Pinus sylvestris L.) and Austrian black pine (Pinus nigra Arn.) plantations in Bulgaria, to examine the fitness of the model with representative experimental data sets from plantations of both species and to present a way of direct application of the SDCDs for practical purposes. The constructed SDCDs characterize the spatial-temporal dynamics of the pine plantations in a broad range of densities, forest sites and growth stages from 4 to 26 (28)m of dominant height class. The full density lines were fixed with self-thinning exponents α =1.69 and α =1.75 for Scots pine and Austrian black pine, respectively, and the trajectories of natural thinning for 23 initial densities (444-40000/ha) were determined. A direct way for application of the SDCDs to the plantation management was designed to estimate the optimal initial densities for the maximum attainable final yield and large-size wood production by self-thinning stands. Springer Science+Business Media, Inc., 2007 Natural thinning trajectory nationallicence Plantation density nationallicence Stand management nationallicence Self-thinning nationallicence Yield-density relationship nationallicence Stankova Tatiana Department of Forest Genetics, Physiology and Plantations, Forest Research Institute of Bulgarian Academy of Sciences, 132 "Kl Ohridski”blv., 1756, Sofia, Bulgaria aut Shibuya Masato Faculty of Agriculture, Hokkaido University, 0608589, Sapporo, Japan aut New Forests Kluwer Academic Publishers 34/2(2007-09-01), 123-141 0169-4286 34:2<123 2007 34 11056 https://doi.org/10.1007/s11056-007-9043-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11056-007-9043-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Stankova Tatiana Department of Forest Genetics, Physiology and Plantations, Forest Research Institute of Bulgarian Academy of Sciences, 132 "Kl Ohridski”blv., 1756, Sofia, Bulgaria aut NATIONALLICENCE 700 1- Shibuya Masato Faculty of Agriculture, Hokkaido University, 0608589, Sapporo, Japan aut NATIONALLICENCE 773 0- New Forests Kluwer Academic Publishers 34/2(2007-09-01), 123-141 0169-4286 34:2<123 2007 34 11056 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer