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1. Threatened, endangered, and extinct
 
2. Endangered, threatened, and special
 
3. Animals recently extinct or threatened
$8.95
4. The Lazarus effect: can the dynamics
 
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1. Threatened, endangered, and extinct species of Michigan plants
by David Good
 Unknown Binding: Pages (1978)

Asin: B0007189UA
Canada | United Kingdom | Germany | France | Japan

2. Endangered, threatened, and special status fishes of North America
by Konrad Schmidt
 Unknown Binding: 65 Pages (1996)

Asin: B0006QKATY
Canada | United Kingdom | Germany | France | Japan

3. Animals recently extinct or threatened with extermination,: As represented in the collections of the U.S. National Museum
by Frederic A Lucas
 Unknown Binding: Pages (1891)

Asin: B000881M1U
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4. The Lazarus effect: can the dynamics of extinct species lists tell us anything about the status of biodiversity? [An article from: Biological Conservation]
by D.A. Keith, M.A. Burgman
Digital: Pages (2004-05-01)
list price: US$8.95 -- used & new: US$8.95
(price subject to change: see help)
Asin: B000RR061Y
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Editorial Review

Product Description
This digital document is a journal article from Biological Conservation, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
Lists of extinct Australian plants created over the last 20 years were examined and were shown to have high levels of turnover. In general, the lists are contracting in length and their composition changes substantially, a phenomenon we term the 'Lazarus effect'. There is little explanation for these changes in the cryptic nature of species habits, or their distribution in remote locations. Most of the turnover is due to changes in knowledge about the species' status, and changes in taxonomy. Lists maintained in some other countries are more stable, but at the potential cost of underestimating the extent of extinction. Comparisons between jurisdictions and between lists are difficult because of different attitudes taken towards uncertainty and variation in research effort among different taxa. For any assessment that uses lists of extinct or threatened species as indicators of environmental change, we recommend that sources of bias are reduced and that uncertainties in lists are made more transparent. An important step in this process is to distinguish listing changes due to a change in status from those due to a change in knowledge about distribution, abundance and taxonomy. Assessments of environmental change based on species lists should be standardised to exclude these latter sources of variation, and take into account new assessments of previously unevaluated taxa. ... Read more


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