Analysing data and hypothesis testing are essential skills for environmental scientists. This introductory text, based on a successful course, is written specifically to build students' confidence in applying these skills to environmental problems. The text clearly explains basic principles and provides practice in their application through worked examples and problems based on real environmental examples, while referring throughout to software programmes that make calculations easy to perform.Specialised chapters address the specific needs of environmental science students including topics such as modelling, toxicity testing, and practical advice on questionnaire design which will be especially relevant to students carrying out environmental projects. The author has also included an overview of major techniques in multivariate analysis, recognising their importance for environmental measurements in the field where variables such as wind-speed and temperature change continuously.Analysing Environmental Data is designed for undergraduate environmental science courses on data analysis and statistics in years 1 and 2. It is intended as a primer to more advanced texts.

Analysing Environmental Data

Business & Money

Pentecost, Allan

Economics

PRENTICE/HALL

Introduction to Freshwater Algae

Mad River Press

uring the spring of 1960, an uncle showed me a ‘petrifying spring’ near Plaxtol in Kent Dwhere twigs had been encased in a calcareous jacket. A twig was collected and having - cently been given I. Evan’s Observer’s Book of Geology by my parents, I found a photograph of another petrifying spring and an explanation of its origin. In those days, Derbyshire was too far for a holiday destination, and I took little further interest until a research studentship with Professor G. E. Fogg became available in 1971. Tony Fogg had recently moved to the University College of North Wales, Bangor and the research was to be into cyanobacterium mats, with fieldwork along the Red Sea coast. The fieldwork never materialised but my interest in algal mats had been aroused. A chance stroll along the Bangor shore revealed beautifully calcified cya- bacterium mats, and Tony generously allowed me to investigate these instead. The old Plaxtol collection was retrieved and yielded abundant cyanobacteria. It became apparent that here was a wealth of information about a rock whose formation was so rapid, that the process could be studied in days rather than years – an exceptional state of affairs. A search of the literature also revealed that the rock, a form of travertine, had other unusual features.

Travertine

Arts & Photography

History & Criticism

Springer

<p>uring the spring of 1960, an uncle showed me a ‘petrifying spring’ near Plaxtol in Kent Dwhere twigs had been encased in a calcareous jacket. A twig was collected and having - cently been given I. Evan’s Observer’s Book of Geology by my parents, I found a photograph of another petrifying spring and an explanation of its origin. In those days, Derbyshire was too far for a holiday destination, and I took little further interest until a research studentship with Professor G. E. Fogg became available in 1971. Tony Fogg had recently moved to the University College of North Wales, Bangor and the research was to be into cyanobacterium mats, with fieldwork along the Red Sea coast. The fieldwork never materialised but my interest in algal mats had been aroused. A chance stroll along the Bangor shore revealed beautifully calcified cya- bacterium mats, and Tony generously allowed me to investigate these instead. The old Plaxtol collection was retrieved and yielded abundant cyanobacteria. It became apparent that here was a wealth of information about a rock whose formation was so rapid, that the process could be studied in days rather than years – an exceptional state of affairs. A search of the literature also revealed that the rock, a form of travertine, had other unusual features.</p>

Science & Math

Biological Sciences

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