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Very Worried Walrus


Author :
language : en
Publisher: Henry Holt & Company
Release Date : 1977-01-01


Download Very Worried Walrus written by and has been published by Henry Holt & Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977-01-01 with Cycling accidents categories.


Walrus would like to ride a bicycle but worries about all that could happen if he fell.

Expedition


Author : Wayne Douglas Barlowe
language : en
Publisher: Workman Publishing Company
Release Date : 1990


Download Expedition written by Wayne Douglas Barlowe and has been published by Workman Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Art categories.


A twenty-fourth century explorer shows and describes the characteristics and behavior of extraterrrestrial life forms he discovered on the planet Darwin IV

Biomonitoring Of Water And Waste Water


Author : Anju Agrawal
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-02-11


Download Biomonitoring Of Water And Waste Water written by Anju Agrawal and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-11 with Technology & Engineering categories.


Biomonitoring of water quality is very much essential for assessing the overall health of water bodies and safe supply of drinking water. The chemical nature of toxicant is highly dynamic in environment with time and space whereas biological system can integrate all environmental variables over a large period of time in terms of effect that can be easily measured and quantified. In view of the above, there is a pressing need to determine the water quality of natural resources as well as drinking water based on the standard protocols and guidelines from regulatory agencies. It is clear that the synthetic chemicals are essential for our society to maintain the health and well being of the people. However, there has been a range of detrimental effects on human health and natural environment. In general, we need to improve our management of waste chemicals discharged into the air, water and soil environments. New techniques are needed to predict adverse effects before they occur and for the treatment of wastes. In addition, a range of social, political and economic factors will be needed to be taken into account in order to achieve success.

Elasmobranch Biodiversity Conservation And Management


Author : Sarah L. Fowler
language : en
Publisher: IUCN
Release Date : 2002


Download Elasmobranch Biodiversity Conservation And Management written by Sarah L. Fowler and has been published by IUCN this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Social Science categories.


The Darwin Elasmobranch Biodiversity Conservation and Management project in Sabah held a three-day international seminar that included a one-day workshop in order to highlight freshwater and coastal elasmobranch conservation issues in the region and worldwide, to disseminate the result of the project to other Malaysian states and countries, and to raise awareness of the importance of considering aspects of elasmobranch biodiversity in the context of nature conservation, commercial fisheries management, and for subsistence fishing communities. These proceedings contain numerous peer-reviewed papers originally presented at the seminar, which cover a wide range of topics, with particular reference to species from freshwater and estuarine habitats. The workshop served to develop recommendations concerning the future prospects of elasmobranch fisheries, biodiversity, conservation and management. This paper records those conclusions, which highlight the importance of elasmobranchs as top marine predators and keystone species, noting that permanent damage to shark and ray populations are likely to have serious and unexpected negative consequences for commercial and subsistence yields of other important fish stocks.

The Waste Makers


Author : Vance Packard
language : en
Publisher: Ig Pub
Release Date : 2011


Download The Waste Makers written by Vance Packard and has been published by Ig Pub this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Business & Economics categories.


Reveals the tactics used by businesses to create consumer needs and desires for products that waste resources and finances in addition to undermining human values and independence.

Broadaxe To Flying Shear


Author : C. R. Silversides
language : en
Publisher: National Museum of Science & Technology
Release Date : 1997


Download Broadaxe To Flying Shear written by C. R. Silversides and has been published by National Museum of Science & Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Technology & Engineering categories.




The Devil S Teeth


Author : Susan Casey
language : en
Publisher: Henry Holt and Company
Release Date : 2006-05-30


Download The Devil S Teeth written by Susan Casey and has been published by Henry Holt and Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-30 with Nature categories.


A journalist's obsession brings her to a remote island off the California coast, home to the world's most mysterious and fearsome predators--and the strange band of surfer-scientists who follow them Susan Casey was in her living room when she first saw the great white sharks of the Farallon Islands, their dark fins swirling around a small motorboat in a documentary. These sharks were the alphas among alphas, some longer than twenty feet, and there were too many to count; even more incredible, this congregation was taking place just twenty-seven miles off the coast of San Francisco. In a matter of months, Casey was being hoisted out of the early-winter swells on a crane, up a cliff face to the barren surface of Southeast Farallon Island-dubbed by sailors in the 1850s the "devil's teeth." There she joined Scot Anderson and Peter Pyle, the two biologists who bunk down during shark season each fall in the island's one habitable building, a haunted, 135-year-old house spackled with lichen and gull guano. Two days later, she got her first glimpse of the famous, terrifying jaws up close and she was instantly hooked; her fascination soon yielded to obsession-and an invitation to return for a full season. But as Casey readied herself for the eight-week stint, she had no way of preparing for what she would find among the dangerous, forgotten islands that have banished every campaign for civilization in the past two hundred years. The Devil's Teeth is a vivid dispatch from an otherworldly outpost, a story of crossing the boundary between society and an untamed place where humans are neither wanted nor needed.