نتایج جستجو برای: wood forest products

تعداد نتایج: 426655  

2003
Benjamin W. Held Joanne M. Thwaites Roberta L. Farrell Robert A. Blanchette

New Zealand produces large diameter radiata pine (Pinus radiata) in short rotations, making it the dominant species used in its forest products industry. As with other fast growing pine species, radiata pine produces wood that consists primarily of sapwood, and is susceptible to dark discolorations due to sapstaining fungi. As a result, significant losses are incurred by the New Zealand forest ...

SH. Pourmousa

In this research, efficiency of Iranian forest and rangeland decision making unit was assessed using non-parametric method. Inputs and outputs determined by field research and with applying a Delphi method the final input and output variables selected. Forty five wood-producing units (forestry plans) in three northern Iranian province were studied using Data Envelopment Analysis. The efficiency...

Journal: :Forestry 2021

Abstract Many non-wood forest products (NWFPs) such as mushrooms and berries are collected consumed in Europe; but both national statistical scientific data on this topic reported only for a limited number of countries, case-study areas. Without an adequate quantitative basis, their importance source food income, links to recreation cultural heritage, all under-valued forest-focused forest-rela...

1999
Markku Simula

Trade policy influences the environment directly and indirectly, while environmental policies have an impact on competitiveness. In the past, trade's potential role to contribute to sustainable forest management has been largely unexplored. This paper is aimed at assessing the possible impacts of various policy instruments on trade and the environment. Although the Latin American and the Caribb...

2003
Geoffrey H. Donovan David L. Nicholls Joseph Roos

Donovan, Geoffrey H.; Nicholls, David L.; Roos, Joseph. 2003. Marketing recommendations for wood products from Alaska birch, red alder, and Alaska yellow-cedar. Gen. Tech. Rep. PNW-GTR-589. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 13 p. Several factors have contributed to a recent decline in Alaska’s wood products industry, including redu...

Journal: :Journal of Applied Sciences and Environmental Management 2021

Journal: :Engineering, Technology & Applied Science Research 2016

Journal: :Notulae Botanicae Horti Agrobotanici Cluj-Napoca 2014

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