نتایج جستجو برای: artificial stands

تعداد نتایج: 308478  

In order to evaluate the growth function of Populus nigra trees under homogeneous conditions, a total of 24 individuals of P. nigra (3 individuals per stand) were sampled from 8 artificial stands in Kermanshah province and 12 individuals of P. nigra (3 individuals per stand) were sampled from 4 artificial stands in Zanjan province. In order to assimilate environmental conditions, seedlings were...

2008
Miguel Navascues Brent C. Emerson

15 The endemic pine, Pinus canariensis, forms one of the main forest ecosystems in the 16 Canary Islands. In this archipelago, pine forest is a mosaic of natural stands (remnants 17 of past forest overexploitation) and artificial stands planted from the 1940’s. The 18 genetic makeup of the artificially regenerated forest is of some concern. The use of 19 reproductive material with uncontrolled ...

2017
Maria Paola Bonacina

Reasoning and learning have been considered fundamental features of intelligence ever since the dawn of the field of artificial intelligence, leading to the development of the research areas of automated reasoning and machine learning. This paper discusses the relationship between automated reasoning and machine learning, and more generally between automated reasoning and artificial intelligenc...

2012
Paul P. Kormanik Shi-Jean S. Sung Stanley J. Zarnoch Thomas Tibbs

Northern red oak (Quercus rubra) and white oak (Quercus alba) are important components of high-quality mes1c s1tes and are essential as lumber species and hard mast producers. Regeneration of these species has been difficult, and their absence in newly regenerated stands is a major concern of foresters and wildlife biologists Several 1mportant biolog1cal tra1ts of oak species may contribute to ...

2008
David G. Messerschmitt Bart Stuck

WHAT IS ENTREPRENEURSHIP? The Merriam-Webster Dictionary definition of entrepreneur is “one who organizes, manages, and assumes the risks of a business or enterprise.” Each of these words is important. Entrepreneurship occurs in a business context, meaning the objective is to sell a product or service and make a profit. In business, risk is associated with uncertainty, which most commonly arise...

2012
Joëlle FOREST Jean-Pierre MICAËLLI

The first edition of The Sciences of the Artificial will be forty years in 2009. In this book Herbert Simon (1916-2001) gives the most complete panorama of his man-made world vision. This world can be first described as a set of artefacts, which are the things created by Humans to satisfy their needs. Simon stands that their creation is an outcome of a specific activity he calls design. Therefo...

Journal: :Forests 2021

Pine forests—as natural stands and artificial plantations—are one of the most extended common forest types in world [...]

2005
VOLKER WALTER

The word „Phoogle“ is an artificial word that was created for this paper and stands for Photogrammetry and Google. In this paper it is shown how these two different things a measurement technology and an internet search machine are connected and how this connection will open new business models.

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