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在“自然资源管理”中，命中：22条，耗时：小于0.01 秒

1.Energy and economic analysis of greenhouse strawberry production in Tehran province of Iran

作者：Narges Banaeian ; Mahmoud Omid ; Hojat Ahmadi

关键词：Strawberry ; Greenhouse ; Input&#x2013 ; output energy ; Energy ratio ; Total cost of production ; Economic analysis

刊名：Energy Conversion and Management

年：2011

2.Higher and lowest order mixed finite element approximation of subsurface flow problems with solutions of low regularity

作者：Markus Bause

关键词：Richards equation ; Mixed finite element approximation ; Brezzi&#x2013 ; Douglas&#x2013 ; Marini element ; Convergence study ; Multicomponent reactive transport

刊名：Advances in Water Resources

年：2008

3.Evapotranspiration and water use efficiency in different-aged Pacific Northwest Douglas-fir stands

作者：Rachhpal S. Jassal ; T. Andrew Black ; David L. Spittlehouse ; Christian Brü ; mmer ; Zoran Nesic

关键词：Evapotranspiration ; Gross primary productivity ; Water use efficiency ; Douglas-fir ; Stand age ; Forest fertilization ; Pacific Northwest

刊名：Agricultural and Forest Meteorology

年：2009

4.The foundational role of mycorrhizal networks in self-organization of interior Douglas-fir forests

作者：Suzanne W. Simard

关键词：Mycorrhizal networks ; Carbon transfer ; Ectomycorrhizae ; Douglas-fir ; Stand dynamics ; Regeneration ; Stability ; Self-organization

刊名：Forest Ecology and Management

年：2009

5.D.J. Zarin, J.R.R. Alavalapati, F.E. Putz and M. Schmink, Editors, Working Forests in the Neotropics – Conservation Through Sustainable Management, Columbia University Press, New York, NY, USA

作者：Douglas C. Daly

关键词：Model ; Forage system ; Beef cattle ; Grazing ; Cutting ; Production ; Floristic diversity

刊名：Agricultural Systems

年：2008

6.The significance of local water resources captured in small reservoirs for crop production – A global-scale analysis

作者：Dominik Wisser ; Steve Frolking ; Ellen M. Douglas ; Balazs M. Fekete ; Andreas H. Schumann ; Charles J. Vö ; rö ; smarty

关键词：Small reservoirs ; Global modelling ; Food security ; Crop yield

刊名：Journal of Hydrology

年：2010

7.Hartwick's rule and maximin paths when the exhaustible resource has an amenity value

作者：Antoine d&#x2019 ; Autume ; Katheline Schubert

关键词：Exhaustible resources ; Sustainability ; Hartwick's rule

刊名：Journal of Environmental Economics and Management

年：2008

8.Testing a hypothesis of the relationship between productivity and water use efficiency in Patagonian forests with native and exotic species

作者：Javier Gyenge ; Marí ; a Elena Ferná ; ndez ; Mauro Sarasola ; Tomá ; s Schlichter

关键词：Wood productivity ; Water use efficiency ; Douglas-fir plantation ; Nothofagus mixed forests

刊名：Forest Ecology and Management

年：2008

9.Effects of green-tree retention on abundance and guild composition of corticolous arthropods

作者：Juraj Halaj ; Charles B. Halpern ; Hoonbok Yi

关键词：Arthropod community structure ; Avian food resources ; Brown creeper (Certhia americana) ; Tree bark ; Trophic interactions ; Variable-retention harvest

刊名：Forest Ecology and Management

年：2009

10.Elevated temperature, soil moisture and seasonality but not CO2 affect canopy assimilation and system respiration in seedling Douglas-fir ecosystems

作者：David T. Tingey ; Donald L. Phillips ; E. Henry Lee ; Ronald S. Waschmann ; David M. Olszyk ; Paul T. Rygiewicz ; Mark G. Johnson

关键词：Douglas-fir trees ; Pseudotsuga menziesii ; Carbon dioxide ; Global warming ; Photosynthesis ; Respiration

刊名：Agricultural and Forest Meteorology

年：2007

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