Deformations of boards from uneven-aged Norway spruce stands

Nutrient Dynamics and Decomposition rate of Norway Spruce Needles in Stråsan and Lajim stands

     Climate changes due to changes in a habitat leads to differences in the rate of decomposition and nutrient dynamics of leaflitters, which has many effects on the controlling factors of the decomposition process. In the present study, the rate of decomposition and nutrient dynamics of Norway spruce was evaluated for 363 days in the two forestation sites in the natural and foreign habitats, ...

Estimating tree mortality of Norway spruce stands with neural networks

Within forest growth modeling LOGIT models are used to predict individual tree mortality. In this paper we present, Multi-Layer Perceptron, Learning Vector Quantization and Cascade Correlation networks as different formalisms for mortality predictions. The data set for parameterizing the LOGIT model and training the different neural network types comes from the Austrian National Forest Inventor...

Comparison 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...

Yield Comparisons from Even-Aged and Uneven-Aged Loblolly-Shortleaf Pine Stands

Empirical yields for a 36year management period are presented for seven long-term studies on similar sites in loblolly-shortleaf pine (Pinus taeda L.-P. 1 The authors thank George Switzer of Mississippi State University, Terry Clason of Louisiana State Uni\'ersity, and Dick Kennedy of Georgia-Pacific Corporation for reviewing the manuscript. Special thanks also to Georgia-Pacific Corporation an...

Improving Tree Mortality Predictions of Norway Spruce Stands with Neural Networks