Results 71 to 80 of about 853,544 (194)

Seasonality in CO2 and H2O flux at an Eastern Amazonian Rain Forest [PDF]

, 2002
Previous studies of CO2 fluxes in Amazonia have suggested seasonal variation in net ecosystem exchange. We find little evidence of this seasonality at a new site in eastern Amazonia, despite the expectation that this site would be particularly sensitive ...
Anderson, Arneth, Arneth, Aubinet, Baldocchi, Baldocchi, Borchert, Clark, Cox, Culf, de Pury, Dixon, F. E. Carswell, Fan, Farquhar, Friend, Goulden, Grace, Grace, Hodnett, Hollinger, Kaimal, Lemmon, Leuning, Lisboa, Lloyd, Malhi, Malhi, Malhi, McWilliam, Meir, Meir, Moncrieff, Monteith, Moore, Nepstad, Phillips, Potter, Reich, Roberts, Roberts, Roberts, Ruimy, Schuepp, Shuttleworth, Vourlitis, White, Whitmore, Williams, Zeng   +49 more
core   +1 more source

Time consumption and productivity of a forwarder operating on a slope in a cut-to-length harvest system in a Pinus radiata D. Don pine plantation

Journal of Forest Science, 2017
Time consumption and productivity of a Valmet 890.3 8 wheel forwarder were evaluated on an Australian radiata pine clearfell site with a slope of 21 to 45% (12 to 24°). Cycle time was significantly related to extraction distance.
Martin STRANDGARD, Rick MITCHELL, Mauricio ACUNA   +2 more
doaj   +1 more source

Improving construction materials management practices in construction sites [PDF]

, 2017
Construction Materials Management is a vital function for improving productivity in construction projects. Poor materials management can often affect the overall construction time, quality and budget.
Ahmed, Fuad Hassan
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Hariliku kuuse (Picea abies (L.) H. Karst.) kändude juurimise tootlikkus juurimisagregaadiga Pallari KH-160 neljal Eesti katsealal

Metsanduslikud Uurimused
The aim of this paper was to provide an overview of the productivity of the stump lifting device Pallari KH-160, the distribution of working time, and to assess the dependence of the time and productivity of lifting operations on stump diameter in four ...
Kurvits Vahur, Muiste Peeter, Padari Allar, Uri Veiko   +3 more
doaj   +1 more source

Primary production efficiency in different environmental settings of Sahstradhara hill-stream, Dehradun

Environment Conservation Journal, 2005
An investigation was conducted on primary productivity and water quality of Sahastradhra hill-stream for evaluation of  aquatic  ecosystem status  in different  environmental settings  along  with  the stream.
P. K. Bharti, D. S. Malik
doaj   +1 more source

Site classification of commercial eucalypt plantations in the Congo. Use of layer depths and microelement deficiencies as productivity indices [PDF]

, 2000
Since 1978, 42,000 lia of clonal eucalypt plantations have been established in the Pointe-Noire region for pulp production. l'lie soils are sandy, acidic, very poor in reserves of available nutrients, and the benefît of applying NPK to the plantations ...
Bouillet, Jean-Pierre, Nzila, J.D., Safou Matondo, Rosalie   +2 more
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Generational Differences in Use of Social Media in Today’s Workplace [PDF]

, 2013
This study examined the use of social media at work. Undergraduate students and professors were surveyed to try to find a generational relationship between the younger generation’s view of using sites such as Facebook while working and how some ...
Bosco, Susan M, Diercksen, Michael, DiPlacido, Matthew, Harvey, Diane M.   +3 more
core   +2 more sources

Development of a productivity asessment toll for native spotted gum forest on private land based on estimates of forest growth on Crown land. [PDF]

, 2012
Reliable estimates of forest productivity are essential for improved predictions of timber yields for the private native spotted gum resource in southern Qld and northern NSW.
Hogg, B., Lewis, T., Osborne, D., Swift, S.   +3 more
core   +1 more source

'Humanising' construction? The languages of industrial relations reform, full employment and productivity after 1945 [PDF]

, 2005
The impact of “human relations” ideology remains contentious. This article examines how such ideas were deconstructed in the British building industry during the postwar battle to raise productivity.
Hayes, N
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Intra-specific variation in mortality of even-aged Cryptomeria japonica (L. f.) D. Don. forests can be explained using relationships among long-term stand characteristics

Annals of Forest Science
Context Understanding tree mortality is critical for sustainable forest management. Long-term tree mortality may differ depending on the stand development process and can be influenced by forest management regimes.
Keiko Fukumoto, Tomohiro Nishizono, Fumiaki Kitahara   +2 more
doaj   +1 more source