Breviario para describir, observar y manejar humedales.

“Aguas arriba – Aguas abajo, Los humedales nos conectan a todos” fue
el lema del Día de los Humedales, organizado por la Convención
Ramsar en 2009. Es un mensaje que claramente nos da la idea de la
conectividad que existe en las cuencas, a través del flujo de este
elemento. Los humedales conectan el paisaje y también a la sociedad.
Son la historia del uso de la cuenca. Lo que pasa cuenca arriba, se
recibe cuenca abajo. Sin embargo, este no es un concepto que haya
permeado a la sociedad ni a muchas de las políticas productivas del
país.

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Landscape Ecology and Gis

One of the difficulties which we faced as landscape ecologists was that, until quite
recently, the analytical tools available did not match the scale of questions we needed to
ask about landscapes. At the regional scale consistent data about the Earth’s surface and
its cover were difficult, time consuming, and expensive to collect. Large data volumes
also made processing complex and integration with other data difficult. Fortunately, with
the availability of computer-based systems for handling geographical or spatial data,
called ‘geographical information systems’ (GIS), many of these difficulties are beginning
to be overcome.
In this book we use the term ‘GIS’ in a very general way to describe any computerbased
system for the input, storage, analysis and display of spatial information.


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Applied Statistics Using SPSS, STATISTICA, MATLAB and R

This book is intended as a reference book for students, professionals and research
workers who need to apply statistical analysis to a large variety of practical
problems using STATISTICA, SPSS and MATLAB. The book chapters provide a
comprehensive coverage of the main statistical analysis topics (data description,
statistical inference, classification and regression, factor analysis, survival data,
directional statistics) that one faces in practical problems, discussing their solutions
with the mentioned software packages.

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How to Write and Illustrate Scientific Papers

A MEDLINE search showed that no fewer than 90 percent of
papers listed in Index Medicus in 1999 were written in English,
compared with 53 percent in 1966 (the year MEDLINE started).
The saying “Publish in English or perish” must therefore be taken
seriously. Regrettably, this means that many authors are obliged to
write in a language other than their native tongue – with all that
this can entail. Here I will share with you an episode from my own
experience as a non-native writer of English.


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