Mostrando 6,141 - 6,160 Resultados de 76,556 Para Buscar '"ecology"', tiempo de consulta: 0.96s Limitar resultados
  1. 6141
    Publicado 2001
    Libro
  2. 6142
    Publicado 1997
    Libro
  3. 6143
    Publicado 2000
    “…Advances in ecological research ;…”
    Libro
  4. 6144
    Publicado 2003
    Libro
  5. 6145
    Publicado 1997
    Tabla de Contenidos: “…Part 1: Introduction to silviculture -- Silviculture and its place in forestry -- Stand dynamics -- Part 2: Tending and intermediate cutting -- The response of individual trees to thinning and pruning -- Management of growth and stand yield by thinning -- Methods and application of thinning -- Release operations and herbicides -- Part 3: Regeneration -- Ecology of regeneration -- Preparation and treatment of the site -- Site classification and species selection -- Artificial regeneration -- Part 4: Stand development and structure -- Development of silvicultural systems and methods of regeneration -- The silviculture of pure even-aged stands -- Vegetatively regenerated stands -- Double-cohort pure stands regenerated by partial cutting -- Silviculture of pure uneven-aged stands -- Stands of mixed species -- Part 5: Silvicultural management objectives -- Timber management -- Silvicultural management of watershed ecosystems -- Silvicultural control of damaging agencies -- Silvicultural management of wildlife habitat -- Agroforestry.…”
    Tabla de contenido
    Libro
  6. 6146
    Libro
  7. 6147
    por Hutchings, Jeffrey A.
    Publicado 2021
    Libro
  8. 6148
    Publicado 1999
    “…Adaptation, diversity, and ecology…”
    Libro
  9. 6149
    por Humphrey, Stephen R.
    Publicado 1976
    Libro
  10. 6150
  11. 6151
  12. 6152
  13. 6153
  14. 6154
  15. 6155
  16. 6156
    “…However, the watershed territories of the drylands, where the majority of human activities are concentrated have long experienced strained human-land relationships, culminating in ecological security concerns. Correspondingly, it is essential to carry out a comprehensive assessment of the ecological security of dryland watersheds and to identify the key factors influencing ecological security in order to formulate strategies that ensure the sustainability of drylands. …”
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    Online Artículo Texto
  17. 6157
    “…The aim of the present study was to determine the prevalence of Dicrocoelium infection and to predict the ecological niches and climatic variables that support dicrocoeliosis in the Himalayan ranges of Pakistan. …”
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    Online Artículo Texto
  18. 6158
  19. 6159
    “…The current study aimed to identify social ecological factors related to loneliness and examine the extent to which geographic region may account for differences in loneliness. …”
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    Online Artículo Texto
  20. 6160
    “…Therefore, the objective of this study was to assess the health service utilisation and identify factors that account for the variation in health service utilisation at kebele (the smallest administrative unit) level in the Dale and Wonsho districts of the Sidama region. An exploratory ecological study design was employed on the secondary patient data collected from 1 July 2017 to 30 June 2018 from 65 primary health care units of the fifty-four kebeles in Dale and Wonsho districts, in the Sidama region. …”
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    Online Artículo Texto
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