In order to deal with the problem of low categorization accuracy of minority class of the uneven forestry information text classification algorithm, this paper puts forward the uneven forestry information text classification algorithm based on weighted Gauss-Newton neural network, on the basis of weighted Gauss-Newton algorithm, the algorithm is proved via singular value decomposition principle...

Contact Information Developing an online database of descriptions of ectomycorrhizae 1. Research Scientist, Canadian Forest Service, Natural Resources Canada, Pacific Forestry Centre, 506 Burnside Road West, Victoria, BC, V8Z 1M5. Email: [email protected] 2. Biologist, Canadian Forest Service, Natural Resources Canada, Pacific Forestry Centre, 506 Burnside Road West, Victoria, BC, V8Z 1...

Dr. Muhittin Yilmaz received the B.S. degree in Electrical and Electronics Engineering from Gazi University, Ankara, Turkey, and the M.Sc. and Ph.D. degrees in Electrical Engineering from Pennsylvania State University, University Park, PA, USA. He has been an Associate Professor with the Electrical Engineering and Computer Science Department, Texas A&M University-Kingsville (TAMUK) since 2013. ...

Environmental interest groups have traditionally equated herbicide use with degradation of water quality. If the entire water quality picture is rationally analyzed. the conclusions are quite the contrary. Use of herbicides compared to mechanical site preparation improves or maintains water quality. Short-duration pulses of residues may appear in streamflow. but data from forest ecosystem studi...

Different types of models have been developed and applied to address various problems and issues in forestry. This paper reviews modelling trends in four areas, namely, forest management planning and decision-making, forest dynamics and growth projection, forest landscape and spatial models and participatory forest management models. The first type includes decision models generally structured ...

Forestry ecological projects have a huge impact on the living standard of forest farmers. Thus, information channels forest farmers choose to know about the information of these projects have great importance. The purpose of this study is to find out the main factors that influencing the adoption of these information channels of forest farmers in Western China. Rough set theory is used to solve...

This paper explores the impact of various group decision-making approaches on the performance of a multipurpose reservoir. The reservoir operation problem is solved by a continuous flexible stochastic dynamic program (FSDP) in which the variability and temporal persistence of the inflows are apprehended by a Markov model. Operating objectives are encoded as fuzzy sets whose membership functions...

Executive Summary v Glossary of Economic Terms ix 1. Introduction 1 1.1 Background and hypotheses 1 1.2 Objectives and target audience 1 1.3 Definitions and scope 1 1.4 Structure of paper 4 2. Economics and Forestry: a Conceptual Overview 4 2.1 Introduction 4 2.2 Forestry, economics and public resource allocation 4 2.3 Recent changes in economic and forest policies 5 2.4 The development of envi...

The term “Precision Forestry” is being used more frequently in the forest products industry. This paper defines two broad categories of precision forestry as 1) using geospatial information in forest management and planning, and 2) site-specific silvicultural operations. One case study is presented for site-specific application of herbicides and fertilizers in herbaceous weed control activities...

To understand the biomass condition in the forestry areas, the detection for individual trees becomes an important topic. For forestry management, the canopy may be described with several parameters, e.g., number of stems, stand position, tree height, timber volume, canopy cover, etc. Traditional methods rely on field measurements, imagery, and radar data to derive the canopy information. Follo...