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Tecnología en Marcha
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Water quality (3)
Calidad del agua (2)
Hydric resources; rivers contamination; Península de Osa; Gran Area Metropolitana; water quality classification Holland index; biochemical oxygen demand; ammonia nitrogen; dissolved oxygen; population density. (2)
recurso hídrico (2)
Recurso hídrico; contaminación de ríos; Península de Osa; Gran Área Metropolitana; Índice holandés de valoración de la calidad del agua; demanda bioquímica de oxígeno; nitrógeno amoniacal; oxígeno disuelto; densidad poblacional. (2)
water quality index (2)
agua para consumo humano (1)
aguas residuales domésticas (1)
Air pollution (1)