Vol. 2 No. 1 (1981): Enero-Junio

View Vol. 2 No. 1 (1981): Enero-Junio
Published: 1981-01-01

Articles

  • Forest Plantation Management

    Manuel González Gabaldón
    9-20
    DOI: https://doi.org/10.15359/rca.2-1.1

  • Horizontal interception in the highland forests of Costa Rica and its hydrological importance

    Frank Zadroga
    21-28
    DOI: https://doi.org/10.15359/rca.2-1.2

  • Contamination by waste from the Cañas riverbed

    Juan Bravo Chacón
    29-33
    DOI: https://doi.org/10.15359/rca.2-1.3

  • Species for planting

    Donald Zeaser
    37-41
    DOI: https://doi.org/10.15359/rca.2-1.4

  • Is the global strategy for conservation an answer to the ecological challenge?

    Silvia Rodríguez
    45-66
    DOI: https://doi.org/10.15359/rca.2-1.5

  • Plants: energy hope

    William D. Miller, L.W. Hillen, Paulo de T. Alium, Melvin Calvin, Gene E. Calvin, Afranio Aragao Craveiro
    69-76
    DOI: https://doi.org/10.15359/rca.2-1.6

  • Use of pesticides and insecticides

    Richards D. Karunairajan
    77-82
    DOI: https://doi.org/10.15359/rca.2-1.7

  • The environment in Mexico and Latin America

    Eduardo Mora
    85-86
    DOI: https://doi.org/10.15359/rca.2-1.8

  • Commentary to document Sorting methods

    Manuel González
    87-90
    DOI: https://doi.org/10.15359/rca.2-1.9

  • Global conservation strategy

    María del Rosario Alfaro
    91-96
    DOI: https://doi.org/10.15359/rca.2-1.10

  • The myth of overpopulation

    Rodia Romero
    97-99
    DOI: https://doi.org/10.15359/rca.2-1.11

  • The biosphere above all

    Brian Johnson
    103-108
    DOI: https://doi.org/10.15359/rca.2-1.12

  • Green Bread of the Future

    Thomas Neumainer
    109-112
    DOI: https://doi.org/10.15359/rca.2-1.13

  • Traditional medicine. Your current rating

    Emilio A. Balbuena
    113-122
    DOI: https://doi.org/10.15359/rca.2-1.14