Rabu, 06 Agustus 2014

? PDF Ebook Tracking the Vanishing Frogs: An Ecological Mystery, by Kathryn Phillips

PDF Ebook Tracking the Vanishing Frogs: An Ecological Mystery, by Kathryn Phillips

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Tracking the Vanishing Frogs: An Ecological Mystery, by Kathryn Phillips

Tracking the Vanishing Frogs: An Ecological Mystery, by Kathryn Phillips



Tracking the Vanishing Frogs: An Ecological Mystery, by Kathryn Phillips

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Tracking the Vanishing Frogs: An Ecological Mystery, by Kathryn Phillips

In 1990, when a group of scientists sounded an unusual alarm about the declining number of frogs in the world, journalist Kathryn Phillips heard their call and followed them as they sought out the reasons for this intriguing situation. Here she provides an in-depth report of this fascinating investigation. Photos.

  • Sales Rank: #1143604 in Books
  • Published on: 1994-06
  • Original language: English
  • Number of items: 1
  • Dimensions: .91" h x 5.81" w x 8.55" l, 1.10 pounds
  • Binding: Hardcover
  • 244 pages

From Publishers Weekly
In 1990, a group of scientists met to discuss the disappearance or decline of amphibians, particularly frogs and toads. Though they could not agree on how to proceed, some field biologists pursued the matter independently. Enter journalist Phillips, who would follow the story for the next three years, interviewing scientists and accompanying them on field trips to search for frogs. She has written an engrossing account of attempts to solve the mystery. Primary causes of the amphibian decline appear to be acid rain, ultraviolet radiation and drought. Other causes are habitat destruction by over-grazing and logging, off-road vehicles, dams and introduction of nonnative, predatory fish. This important study details yet another environmental problem. Photos not seen by PW.
Copyright 1994 Reed Business Information, Inc.

From Booklist
This is an unintentional companion volume to Mark Jaffe's account of the decimation of Guam's bird population, And No Birds Sing. The endangered creatures Phillips is concerned with are amphibians, a far less sexy group than, say, wolves or eagles. Frogs and toads are hardly majestic, or even huggable; they're slimy, warty, and, to some, even repulsive, but they've been around for 350 million years and are an integral part of many ecosystems. Amphibians are also extremely vulnerable to environmental change, so vulnerable, in fact, that they are now considered to be "bioindicators," like canaries in a mine. And they're disappearing from the wetlands and woods of California, Louisiana, Florida, Costa Rica, Indonesia, Australia, France, and India. Phillips accompanies a number of herpetologists in the field as they try to identify the causes of this alarming decline. Along the way, she acquaints us with frog life, the ecological and scientific value of frogs, and the disturbing realities of the unregulated international frog trade (for food or pets). All evidence and hypotheses point to human activity as the culprit, specifically water and air pollution, and the corresponding rapid changes in the world's weather patterns. Informative, engaging, and enraging. Donna Seaman

From Kirkus Reviews
A probing exploration of the mysteriously rapid disappearance of many amphibian species--with disturbing portents for the wider ecological picture. Phillips is a pleasing science writer (Omni, Discover) who draws us into this warty topic with a touching boy-finds-frog story as told by an adult scientist she is working with. In 1960, the boy inadvertently killed his foothill yellow-legged frog by feeding it a pesticide-poisoned moth; ten years later no more of the frogs (Rana boylii) could be found in Southern California. This absence is far from a local ecological debacle: Scientists now realize that many species of one of Earth's oldest creatures are disappearing all over the globe. The little-known mystery that Phillips records got a public jolt when the celebrated Costa Rican golden tree-frogs (only discovered in 1967) vanished. Given glimpses of a scientist's field notes (``to view the golden toads breeding is like seeing the northern lights''), we begin to realize what natural grandeur has been lost. That grandeur is in the details of how frogs live, breed, and eat--members of one species, now extinct, turned their stomachs into hatcheries and vomited out their young. This species offered new ways to treat ulcers, while the alkaloids extracted from some poisonous frogs can fight malaria, cancer, and pain. When not being trampled by hikers and bikers, frogs are being pickled by herpetologists and suffocated by pet and food shippers. The widespread declines, however, are linked here to more serious human crimes. Phillips takes us from scientific conferences to once pristine wetlands devastated by ultraviolet radiation (via the thinning ozone layer), greenhouse gases, acid rain, and other pollutants that combine with encroaching pasturage and construction to destroy amphibian habitats. ``Declining amphibians are like miner's canaries,'' writes Phillips, who shares her ``enchantment'' for the song of the pond and compels us to listen to its silence. (8-page photo insert, not seen) -- Copyright ©1994, Kirkus Associates, LP. All rights reserved.

Most helpful customer reviews

2 of 2 people found the following review helpful.
Fantastic! Well researched and written!
By A Customer
This is a facinating and gripping tale about an animal that is simple, slimey, and generally not well thought of by humans. Our desensitivity to the legitimate role in our world of reptiles and amphibians (from the bible to the Sound of Music) has left them without an advocate when they need it most. Kathryn Phillips explains why their loss is anything but insignificant.
In the old days, coal miners would take a canary into the mines with them and listen to it sing all day. If the canary stopped singing and fell over dead, the miners didn't stop to wonder why or grieve its passing, they got the heck out of the mine as fast as they could. That was the very reason they took the canary in with them. Frogs are the canaries on this earth. But here on earth, we don't have the easy option of just getting the heck out of here as fast as we can. Kathryn Phillips tells you why with the power of a fiction writer but does it as only a professional journalist could with clarity, accuracy and completeness.

3 of 3 people found the following review helpful.
Great book-highly recommended
By A Customer
This is a wonderful book which has covers the current issue of declining amphibian populations well in regards to the pet trade, habitat loss and fragmentation, and exotic species as well as specific species such as the golden toad and california's red-legged frog. Its an adventure as well as a source of information. The only reservation I had was that it didn't cover chemicals (pesticides) or frog deformities as issues towards species loss.

3 of 4 people found the following review helpful.
Attention all frog lovers!!!!
By gentian@gateway.net
Anyone interested in frogs MUST read this book. It is a thrilling adventure through the days and nights of frog behavior and environmental management that makes you realize just how fragile some aspects of our planet are. This book reads like a novel; you start caring for these small creatures like they were your friends. Hard to put down. Easy to enjoy.

See all 9 customer reviews...

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