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Mostrando 341 - 360 Resultados de 1,652 Para Buscar '"forestry"', tiempo de consulta: 0.37s Limitar resultados
  1. 341
    “…Traditional forestry, ecology, and fuels monitoring methods can be costly and error-prone, and are often used beyond their original assumptions due to difficulty or unavailability of more appropriate methods. …”
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    A simplified and affordable approach to forest monitoring using single terrestrial laser scans and transect sampling
  2. 342
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    Complete chloroplast genome of Toona ciliata Roem. var. pubescens (Franch.) Hand.-Mazz (Meliaceae), ‘Chinese mahogany’
  3. 343
    “…Superabsorbent polymers as soft materials that can absorb water have aroused great interest in the fields of agriculture and forestry. Water absorption and water retention performance of a hydrogel are important indicators to evaluate its practical application. …”
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    Synthesis of a super-absorbent nanocomposite hydrogel based on vinyl hybrid silica nanospheres and its properties
  4. 344
    Publicado 1979
    Procedimiento de la Conferencia Libro
    Segundo Congreso Nacional sobre Estadisticas Agropecuarias y Forestales : [memoria, dias 12 al 16 Noviembre de 1979]
  5. 345
    “…However, most of these agricultural energy studies have focused only on external inputs at the crop level, concealing the important role of internal biomass flows that livestock and forestry recirculate within agroecosystems. Here, we synthesize the results of 82 farm systems in North America and Europe from 1830 to 2012 that for the first time show the changing energy profiles of agroecosystems, including livestock and forestry, with a multi-EROI approach that accounts for the energy returns on external inputs, on internal biomass reuses, and on all inputs invested. …”
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    Assessing the energy trap of industrial agriculture in North America and Europe: 82 balances from 1830 to 2012
  6. 346
    por Gao, Tai, Shi, Juan
    Publicado 2021
    “…ABSTRACT: Wood wasp species in the genus Sirex are known pests of forestry. They cause significant economic losses due to their impacts on plant health and wood quality. …”
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    The Potential Global Distribution of Sirex juvencus (Hymenoptera: Siricidae) under Near Current and Future Climatic Conditions as Predicted by the Maximum Entropy Model
  7. 347
    Libro
    Annona species
  8. 348
    Publicado 1980
    Procedimiento de la Conferencia Libro
    Tercer Congreso Nacional de Estadisticas Agropecuarias y Forestales : [memoria, dias 10 al 14 de Noviembre de 1980].
  9. 349
    “…These findings provide valuable insights for the management of CLPB mixed forest in Jindong Forestry and have significant reference value for the close-to-natural forest management (CTNFM) of pure Cunninghamia lanceolata forests.…”
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    Analysis of the Relative Importance of Stand Structure and Site Conditions for the Productivity, Species Diversity, and Carbon Sequestration of Cunninghamia lanceolata and Phoebe bournei Mixed Forest
  10. 350
    “…It is not clear if mature secondary growth coniferous forests can support similar pollinator communities as old growth coniferous forests, or how active management (e.g., retention forestry) in mature secondary growth forests may affect pollinator communities. …”
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    Effects of forest management on native bee biodiversity under the tallest trees in the world
  11. 351
    “…Thus, climate change is driving the need in both agriculture and forestry for oligonucleotide insecticides (DNA insecticides, olinscides): safe, effective, affordable insecticides with a low carbon footprint and long operational life.…”
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    Icerya purchasi Maskell (Hemiptera: Monophlebidae) Control Using Low Carbon Footprint Oligonucleotide Insecticides
  12. 352
    “…The worldwide expansion of hybrid breeding and clonal forestry is to meet the demands of paper pulp and bioenergy. …”
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    Hybrid purity assessment in Eucalyptus F(1) hybrids using microsatellite markers
  13. 353
    “…The aim of this study was to assess the seroprevalence of B. burgdorferi in high-risk groups (forestry workers and soldiers) in the Belgrade area, and to compare the results with healthy blood donors. …”
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    Seroprevalence of Borrelia burgdorferi in occupationally exposed persons in the Belgrade area, Serbia
  14. 354
    “…We present a quantitative assessment of energy inputs, outputs and internal energy fluxes of Austria's agroecosystem, including crop production, livestock production and forestry, as well as energy return on investment indicators. …”
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    At the core of the socio-ecological transition: Agroecosystem energy fluxes in Austria 1830–2010
  15. 355
    “…The empirical results showed that there were six key sectors (including Crop Cultivation; Forestry; Livestock and Livestock Products; Fishery, Technical Services for Agriculture, Forestry, Livestock and Fishing; Other Food Products, and Scrap and Waste) for water consumption in China in 2015.We analyzed the use of green water, blue water, and grey water. …”
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    Identification of key sectors of water resource utilization in China from the perspective of water footprint
  16. 356
    “…The individuals only grow at forest edges, where the peculiar ecological conditions are limiting factors for the development of forestry cover; some other factors (i.e., high inclination and instability of the substrate) contribute to limiting the development of forestry vegetation and guarantee the persistence of these ecotones. …”
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    Persistence of the Strictly Endemic Plants of Forest Margins: The Case of Cirsium alpis-lunae in the Northern Apennines (Italy)
  17. 357
    “…Pine wilt disease is a devastating forest disaster caused by Bursaphelenchus xylophilus, which has brought inestimable economic losses to the world’s forestry due to lack of effective prevention and control measures. …”
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    Design and Preparation of Avermectin Nanopesticide for Control and Prevention of Pine Wilt Disease
  18. 358
    “…Bunge leaves and fast pyrolysis methods can effectively solve the problem of forestry and agricultural residues in the future.…”
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    Pyrolysis of Aesculus chinensis Bunge Leaves as for Extracted Bio-Oil Material
  19. 359
    Tabla de Contenidos: “…The importance of plants -- The development of botany -- Ecology -- Phytogeography and exploration -- Systematic botany -- Anatomy and morphology -- Physiology -- Radiobiology -- Space biology -- Lower plants, diseases, and medicine -- Horticulture -- Forestry -- Conservation -- Paleobotany -- Cytology -- Genetics and plant breeding -- Evolution -- Science.…”
    Libro
    Selected botanical papers.
  20. 360
    Publicado 2005
    Libro
    Ejjabahuejjaquijji ebiojonequi shemeño : ese ejjaja esohuijo = para conocer los remedios del monte /
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