نتایج جستجو برای: forestry

تعداد نتایج: 9875  

Journal: :Nature 1964

2009
Alex Jay David Sharpe Doland Nichols Jerry Vanclay

A review of timber production, biodiversity and soil and water indicators, and their applicability to northeast New South Wales Sustainable Private Native Forestry: A review of timber production, biodiversity and soil and water indicators, and their applicability to northeast NSW Publication No. 09/022 The information contained in this publication is intended for general use to assist public kn...

Journal: :Nature 1973

Journal: :Nature 1931

Journal: :The Forestry Chronicle 1936

Journal: :Botanical Gazette 1883

Journal: :Acta Forestalia Fennica 1954

Journal: :Conservation Biology 1995

1995
Paul Freedman Evangelos Papadopoulos Denis Poussart Clement Gosselin Jean Courteau

Canada is one of the world's leading forestry nations and luckily, there are still some Canadian world class forestry equipment manufacturers. This is all the more important since new technology in the resource industries is most easily introduced by equipment manufacturers, not end-users. The four year, 2.2M$ ATREF project is one recent large-scale attempt in Canada to address this issue, by b...

2016
Karin Eklöf Rolf Lidskog Kevin Bishop

Inputs of anthropogenic mercury (Hg) to the environment have led to accumulation of Hg in terrestrial and aquatic ecosystems, contributing to fish Hg concentrations well above the European Union standards in large parts of Fennoscandia. Forestry operations have been reported to increase the concentrations and loads of Hg to surface waters by mobilizing Hg from the soil. This summary of availabl...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید