Resultados de la búsqueda | Land Portal

Resultados de la búsqueda

Mostrando ítems 1 a 9 de 23.
  1. Library Resource
    Artículos de revistas y libros
    Diciembre, 1981
    Chile
  2. Library Resource
    Artículos de revistas y libros
    Diciembre, 1981
    Kenya, África, África oriental

    Discusses the Kenya Rangeland Ecological Monitoring Unit (KREMU), mentioning its objectives, initial tasks related to identifying ecological units, testing survey methods, training of staff & designing appropriate computer programmes; describes the Unit's achievements, with emphasis on ecological surveys & censuses carried out within the framework of on-going ecological monitoring programmes; outlines problems encountered.

  3. Library Resource
    Artículos de revistas y libros
    Diciembre, 1981
    Kenya, África, África oriental

    Describes the organization, objectives and results of the aerial survey programme of the Kenyan Rangeland Ecological Monitoring Unit from 1976 to 1979, with particular reference to the methodology used, animal population estimates, esp. herbivores, and reliability of aerial survey data in terms of aerial, ground & remote sensing counts.

  4. Library Resource
    Artículos de revistas y libros
    Diciembre, 1981

    Information on some diseases and pests that attack cassava, as well as the symptoms induced by nutritional deficiencies and toxicities and damage resulting from the misuse of herbicides are given in this manual. Specific and general recommendations regarding the control of the described problems are included. Disease control on a commercial scale is discussed. Formulae suggested for stake treatment before planting and storage and a key for identifying some cassava diseases are annexed. Color photos on symtomatology are included. (AS)

  5. Library Resource
    Artículos de revistas y libros
    Diciembre, 1981

    Presents workshop papers & discussion summaries on the development of low-level aerial survey techniques and presents applications to livestock, wildlife and land-use surveys. Reviews survey designs and sampling procedures as well as problems of bias, levels, from ground survey to satellite imagery; along w. recommendations for further research and cooperation.

Búsqueda en la Biblioteca de Tierras

A través de nuestro sólido motor de búsqueda, puede explorar cualquier elemento de los más de 64.800 recursos rigurosamente seleccionados en la Biblioteca de la Tierra. Si desea obtener una visión general de lo que es posible, siéntase libre de examinar la  Guía de búsqueda

Comparta esta página