Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Erkki Lehto"'
Autor:
Arundhuti Ganguly, Cesar Proano, Colbeth Rick E, Adam Wang, Edward Shapiro, Erkki Lehto, Josh Star-Lack, Sungwon Yoon
Publikováno v:
SPIE Proceedings.
Scattered radiation remains one of the primary challenges for digital mammography, resulting in decreased image contrast and visualization of key features. While anti-scatter grids are commonly used to reduce scattered radiation in digital mammograph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1a6e4f12f73978d89106b4ead8ee14a
https://doi.org/10.1117/12.2081501
https://doi.org/10.1117/12.2081501
Publikováno v:
Transactions of the Institute of Measurement and Control. 26:373-391
The application range of fluid power is very wide, from fast and light pneumatic applications to heavy hydraulic applications. Control systems have been used in efforts to overcome the drawbacks in fluid power systems. This means more integrated elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::848e74f336f8072829a73e1e02679119
https://doi.org/10.1191/0142331204tm128oa
https://doi.org/10.1191/0142331204tm128oa
Population, income and ecological conditions as determinants of forest area variation in the tropics
Publikováno v:
Global Environmental Change. 12:313-323
The underlying causes of forest area variation were studied by using data from the original forest assessments between 1970 and 1991 of FAO FORIS database representing 477 subnational geographical units in 67 tropical countries. Multiple regression m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::479e1b12bddd02f599407f6bad092f4f
https://doi.org/10.1016/s0959-3780(02)00042-0
https://doi.org/10.1016/s0959-3780(02)00042-0
Autor:
Matti Palo, Erkki Lehto
While deforestation continues at an alarming rate around the world, discussions on the range of underlying causes continue. The premise is that studying successful transitions from deforestation to sustainable forestry ex post in Finland can provide
Autor:
Matti Palo, Erkki Lehto
Publikováno v:
Private or Socialistic Forestry? ISBN: 9789048138951
Tropical deforestation of natural forests was assessed by the FAO as 11 million ha/year in 1980 and as 12 million ha/year in 2000 – 2005. Deforestation has expanded in spite of the multitude of global, international, and national political efforts
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b42d85116c49da6794849553447db627
https://doi.org/10.1007/978-90-481-3896-8_1
https://doi.org/10.1007/978-90-481-3896-8_1
Autor:
Erkki Lehto, Matti Palo
Publikováno v:
Private or Socialistic Forestry? ISBN: 9789048138951
The purpose of this chapter is to review preindustrial forestry in Finland by identifying the relevant pre-historical and historical facts via the application of the theory developed in the previous chapter in order to understand the evolution of for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e485d718368545ccd50fa2a274cc0897
https://doi.org/10.1007/978-90-481-3896-8_3
https://doi.org/10.1007/978-90-481-3896-8_3
Autor:
Erkki Lehto, Matti Palo
Publikováno v:
Private or Socialistic Forestry? ISBN: 9789048138951
The purpose of this chapter is to analyze the underlying causes of the historical forest transition in Finland by applying our universal system causality model of forest transition. We have selected the relevant information on Finland from the masses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cd9f08f50efba956aa9c24126581a01
https://doi.org/10.1007/978-90-481-3896-8_4
https://doi.org/10.1007/978-90-481-3896-8_4
Autor:
Matti Palo, Erkki Lehto
Publikováno v:
Private or Socialistic Forestry? ISBN: 9789048138951
Tropical deforestation of natural forests was assessed by FAO as 11 million ha/year in 1980 and as 12 million ha/year in 2000–2005. Deforestation has expanded in spite of the multitude of global, international, and national political efforts to dec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cde72492722542b60b013f0ae4711f30
https://doi.org/10.1007/978-90-481-3896-8_7
https://doi.org/10.1007/978-90-481-3896-8_7
Autor:
Erkki Lehto, Matti Palo
Publikováno v:
Private or Socialistic Forestry? ISBN: 9789048138951
Our aim in this chapter is to describe the forest transition from preindustrial to industrial forestry, to review the existing theories of forest transition, and to integrate them with the theories of ecological economics, new institutional economics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f97d2d0362a52d99f78061fe426016d7
https://doi.org/10.1007/978-90-481-3896-8_2
https://doi.org/10.1007/978-90-481-3896-8_2
Autor:
Erkki Lehto, Matti Palo
Publikováno v:
Private or Socialistic Forestry? ISBN: 9789048138951
Public forests cover 86% of the total global forest area. A deduction is drawn that private forests are more effective and efficient in timber production than public forests. The growing stock both in the United States and Finland have been increasin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a09171ea4c4571571b9bf193da604d31
https://doi.org/10.1007/978-90-481-3896-8_6
https://doi.org/10.1007/978-90-481-3896-8_6