Damage to residual stand caused by mechanized selection harvest in uneven-aged Picea abies dominated stands
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چکیده
منابع مشابه
Disturbance from the Initial Harvest Implementing Uneven-aged Silviculture in a Pine-hardwood Stand in Southwestern Mississippi’
Logging disturbance is important in uneven-aged stands because harvests are frequent, merchantable trees are retained, and regeneration may be present. Logging disturbance was monitored during the establishment of a study testing the application of uneven-aged silvicufture in an irregularly aged, pine-hardwood stand. Disturbances were: (1) seedbed conditions averaging 56, 16, 9, and 17 percent ...
متن کاملPerformance of two Picea abies ( L . ) Karst . at different stages of decline VI . Nutrient concentration stands
A declining Picea abies (L.) Karst. stand produced as much foliage and branches as a healthy stand but less stemwood at a similar leaf area index and climate. Nutrient analyses revealed that most biomass components at the declining site had lower concentrations of calcium and magnesium, but similar nitrogen and potassium (except for lower potassium in younger needles) and higher phosphorus , ma...
متن کاملEquilibrium Curves and Growth Models to Deal with Forests in Transition to Uneven-Aged Structure – Application in Two Sample Stands
Stem number distributions in uneven-aged forests are assumed to be stable, if they follow special functions, e.g. de Liocourt’s reverse J-shaped breast height diameter distribution. These distributions therefore are frequently regarded as a target in all-aged forests. Intending to convert an even-aged forest or any other forest, not yet exhibiting this sort of equilibrium, towards a steady stat...
متن کاملComparison of Log Quality from Even-Aged and Uneven-Aged Loblolly Pine Stands in South Arkansas
Log grade, number of knots, and log volume of the first two logs, as well as form class of the butt log, were compared across three broad sawtimber categories among even-aged plantations, even-aged natural stands, and uneven-aged natural stayMs of loblolly pine (Pinus taeda L.) in Ashley County, AR. Trees from unevenaged stands had butt logs of better log grade than even-aged plantations, parti...
متن کاملVolume yield to mid-rotation in pure and mixed sown stands of Pinus sylvestris and Picea abies in Sweden
Jonsson. B. 2001. Volume yield to mid-rotation in pure and mixed sown stands of Pirl~ls sylcestris and Pice& uhies in Sweden. Stztrliu Forestulir~ Suecicu 211. 19 pp. ISSN 0039-3150. ISBN 91-576-6137-5. Volume yield to mid-rotation in pure and mixed sown stands of Scots pine and Norway spruce was investigated in an experiment in central Sweden. The 43-year-old stands were situated on a 7-ha sit...
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ژورنال
عنوان ژورنال: Silva Fennica
سال: 2012
ISSN: 2242-4075
DOI: 10.14214/sf.442