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Mostrando 801 - 820 Resultados de 37,890 Para Buscar '"forestal"', tiempo de consulta: 0.20s Limitar resultados
  1. 801
    “…With growing concerns over the serious ecological problems in pine forests ( Pinus massoniana , P. thunbergii ) caused by the invasion of Bursaphelenchus xylophilus (the pine wood nematode), a particular challenge is to determine the succession and restoration of damaged pine forests in Asia. …”
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    Online Artículo Texto
    Quantitative Classification and Environmental Interpretation of Secondary Forests 18 Years After the Invasion of Pine Forests by Bursaphelenchus xylophilus (Nematoda: Aphelenchoididae) in China
  2. 802
    “…BACKGROUND: European forests have a long record of management. However, the diversity of the current forest management across nations, tree species and owners, is hardly understood. …”
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    Actual European forest management by region, tree species and owner based on 714,000 re-measured trees in national forest inventories
  3. 803
    “…Soil organic carbon (SOC) dynamics after slash-burn agriculture are poorly understood in African tropical forest, though recent studies have revealed C4 grass invasion as a forest understory influences SOC dynamics after deforestation. …”
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    Forest understories controlled the soil organic carbon stock during the fallow period in African tropical forest: a (13)C analysis
  4. 804
    por Strauss, André
    Publicado 2019
    “…Complete plant inventories of large areas of forests in the moderate and boreal zone have thus far been infeasible and have also not been published. …”
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    A method for complete plant taxon and site inventories in large forest areas with the help of orienteering maps, as exemplified by target forests in Switzerland
  5. 805
    por Krug, Joachim H. A.
    Publicado 2019
    “…BACKGROUND: While the capability of forests to sequester carbon dioxide (CO(2)) is acknowledged as an important component in fighting climate change, a closer look reveals the difficulties in determining the actual contribution by forest management when indirect and natural impacts are to be factored out. …”
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    How can forest management increase biomass accumulation and CO(2) sequestration? A case study on beech forests in Hesse, Germany
  6. 806
    “…BACKGROUND: Individuals that work and sleep in remote forest and farm locations in the Greater Mekong Subregion continue to remain at high risk of both acquiring and transmitting malaria. …”
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    Targeting high risk forest goers for malaria elimination: a novel approach for investigating forest malaria to inform program intervention in Vietnam
  7. 807
    por Park, Kwang-Hi
    Publicado 2022
    “…Although the effectiveness of urban forest therapy has been studied and proven, most people are not well aware of the positive healing effects of urban forests that are easily accessible in daily life compared to the known healing effect of forests located outside urban areas. …”
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    Analysis of Urban Forest Healing Program Expected Values, Needs, and Preferred Components in Urban Forest Visitors with Diseases: A Pilot Survey
  8. 808
    “…The new wave of reform of collective forestland tenure (NRCFT) in China is considered an important policy for achieving sustainable management of forest resources. The purpose of this study is to investigate the influence of NRCFT on forest fragmentation in the Beijing–Tianjin–Hebei region of China based on a fixed-effects model. …”
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    Has China’s New Round of Collective Forest Reforms Reduced Forest Fragmentation? A Case Study of the Beijing–Tianjin–Hebei Region
  9. 809
    “…Net ecosystem productivity (NEP), the difference between gross primary productivity (GPP) and ecosystem respiration (ER), is the basis of forest carbon sinks. Revealing NEP differences between naturally regenerating forests (NF) and planted forests (PF) can benefit for making carbon neutrality strategies. …”
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    Eddy covariance-based differences in net ecosystem productivity values and spatial patterns between naturally regenerating forests and planted forests in China
  10. 810
    Publicado 1998
    Libro
    Forest biodiversity in North, Central and South America, and the Caribbean : research and monitoring /
  11. 811
    Publicado 2001
    Materias: “…Genética forestal Congresos.…”
    Libro
    Genetic response of forest systems to changing environmental conditions /
  12. 812
    por White, Timothy L., 1951-
    Publicado 1989
    Materias:
    Libro
    Predicting breeding values with applications in forest tree improvement
  13. 813
    Publicado 1997
    Materias:
    Procedimiento de la Conferencia Libro
    Impacts of global change on tree physiology and forest ecosystems : proceedings of the International Conference on Impacts of Global Change on Tree Physiology and Forest Ecosystems, held 26-29 November 1996, Wageningen, The Natherlands /
  14. 814
    Publicado 2003
    Libro
    Air pollution, global change and forests in the new millennium /
  15. 815
    Publicado 1998
    Materias: “…Administración forestal.…”
    Libro
    Aprovechamiento forestal compatible con el medio ambiente : ensayo sobre la aplicación del Código Modelo de la FAO en la Amazonia brasileña /
  16. 816
    Publicado 2008
    Libro
    Hyperspectral remote sensing of tropical and sub-tropical forests /
  17. 817
    Publicado 1983
    Libro
    Silvicultural systems for the major forest types of the United States
  18. 818
    por Levine, I. E.
    Publicado 1965
    Materias: “…De Forest, Lee, 1873-1961.…”
    Libro
    Lee DeForest pionero de la electrónica
  19. 819
    Publicado 1996
    Libro
    Foros de reflexión sobre la problemática forestal : memoria de las reuniones realizadas en Matías Romero, Oaxaca; Palenque, Chiapas; Carrillo Puerto, Q. Roo y Medlaque, Jalisco. 1993
  20. 820
    por Adams, Mike
    Publicado 2012
    “…Lee de Forest, Yale doctorate and Oscar winner, gave voice to the radio and the motion picture. …”
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    Lee de Forest: King of Radio, Television, and Film
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