Nacrtak Strategic and tactical decisions in timber harvesting planning have long-term consequences on the further development of forests. Decisions about harvesting activities are often based on intuition and the consequences of these actions cannot be determined exactly. A GIS based evaluation model was designed to support the timber harvesting decision making process. It compares harvesting s...

Roads through tropical forest create linear disturbances that have unknown consequences for forest birds. We studied how a narrow, rarely used road through otherwise undisturbed Amazonian forest affected the movements and area requirements of understory birds that form mixed-species flocks. Differences in road maintenance led to two distinct treatments along the same road. Trees along the “clos...

This paper proposes a convolution neural network (CNN)-based method that learns traffic as images and predicts large-scale, network-wide traffic speed with high accuracy. Spatiotemporal traffic dynamics is converted to images describing the time and space relations of traffic flow via a two-dimensional time-space matrix. CNN is applied to the image following two consecutive steps: abstract traf...

Abstract Efficient forest management, and wood production in particular, requires a road network of appropriate density bearing capacity. The affects the choice suitable extraction method length transport route from forest, while standard defines truck type that can be used. We evaluate network’s economic suitability for harvesting operations entire Swiss an area about 13,000 km 2 covering rang...

The current forest road design systems are not capable of making computer-aided design judgments such as automated generation of alternative grade lines, best fitting vertical alignment for minimizing the total road costs, or consider environmental impact. A three dimensional (3D) forest road design model was developed as a decision support tool that provides a designer with a quick evaluation ...

1Alumni and George Peak Jr. Professor of Forest Economics and Policy, School of Forestry and Wildlife Science, Auburn University, Auburn, AL 36849-5418 (phone: 334-844-1067; fax: 334-844-1084; e-mail: [email protected]). 2Assistant Professor, Institute of Finance and Economics Research, Shanghai University of Finance and Economics, No. 777 Guoding Road, Shanghai, PR China, 200433 (correspondin...

The construction of roads near protected forest areas alters ecosystem function by creating habitat fragmentation and through several direct and indirect negative effects such as increased pollution, animal mortality through collisions, disturbance caused by excessive noise and wind turbulence. Noise in particular may have strong negative effects on animal groups such as frogs and birds, that r...

This study focuses on avoiding negative effects on surface waters using new techniques for identifying wet areas near surface waters. This would aid planning and designing of forest buffer zones and off-road forestry traffic. The temporal variability in the geographical distribution of the stream network renders this type of planning difficult. A field study was performed in the 68 km2 Krycklan...