Peril in the Ponds
Peril in the Ponds

Author: Judith Cairncross Helgen

Publisher: Univ of Massachusetts Press

Published: 2012

Total Pages: 260

ISBN-13: 1558499466

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When deformed frogs-many with missing legs or eyes, footless stumps, or misshapen jaws-began to emerge from Minnesota wetlands, alarm bells went off. What caused such deformities? Pollution? Ultraviolet rays? Biological agents? And could the mysterious cause also pose a threat to humans? Former government biologist Judy Helgen provides an inside view of a highly charged environmental issue that continues to spark controversy among scientists, politicians, and government agencies. Book jacket.

Ecological Risk Assessment
Ecological Risk Assessment

Author: Glenn W. Suter II

Publisher: CRC Press

Published: 2016-04-19

Total Pages: 656

ISBN-13: 1420012568

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The definitive reference in its field, Ecological Risk Assessment, Second Edition details the latest advances in science and practice. In the fourteen years since the publication of the best-selling first edition, ecological risk assessment (ERA) has moved from the margins into the spotlight. It is now commonly applied to the regulation of c