MANUAL CRÍA DE MARIPOSAS

Bichos.- The forests at equatorial latitude keep wonderful secrets that only sharp and patient eyes can discover: thousands, millions of extravagant and sophisticated colors, shapes and textures abound, lurking, observing… living. With modesty they play the important role of being the backbone of life on Earth, the engine of ecosystems, the force that governs the world, reflecting a healthy environment; without them the world would simply collapse. They are living organisms, tireless workers, fellow travelers… we talk about Bichos.

In recent years, due to expanding populations and industries, regulatory authorities have imposed tighter discharge limits on nutrients from wastewater treatment facilities to avoid eutrophication in water streams. Common methods, such as metal salt precipitation, are being used to lower phosphorus concentrations which are a main contribution. However, alternate phosphorus removal techniques, such as phosphorus crystallisation, can provide further benefits. Precipitated solid can be utilised as a marketable fertiliser. Principles of magnesium and ammonia phosphate precipitation, working with...

En este libro se abordan de forma integral tres pilares de la gestión de la calidad del aire: los inventarios de emisión, el monitoreo de contaminantes del aire y la modelización numérica de contaminantes, a partir de su aplicación en una ciudad intermedia andina de Colombia, Manizales, capital del departamento de Caldas. La intención de los autores es que los lectores tengan un soporte técnico y científico de un caso de estudio en el que, además de la descripción de diversas bases teóricas asociadas principalmente con los componentes de inventarios de emisión y modelización...

The FAO Yearbook of Fishery and Aquaculture Statistics contains all the most updated data on capture production, aquaculture production and commodities. In this new presentation, the complete yearbook package for each of these categories - all the key information and statistical tables - are contained on one CD-ROM, inserted in a booklet that includes general notes, concepts and classifications, and summary tables as well as a pull-out map of FAO major fishing areas. . From the CD-ROM, you can download, consult, share and store all the data previously provided in print only. This volume...