Results 211 to 220 of about 57,547 (255)
Integrative Conservation, EarlyView.Through systematic price collection and correction for underreporting and undetected seizures, the global illegal wildlife trade (IWT) is estimated at US$28.4–39.5 billion per year. This finding highlights that previous valuations were underestimates.
Jia Hao Tow, L. Roman Carrasco
wiley +1 more source
Hybrids as mirrors of the past: genomic footprints reveal spatio-temporal dynamics and extinction risk of alpine extremophytes in the mountains of Central Asia. [PDF]
Front Plant SciWróbel A, Klichowska E, Nobis M.
europepmc +1 more source
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Reducing the Risk of Human Extinction
Risk Analysis, 2007In this century a number of events could extinguish humanity. The probability of these events may be very low, but the expected value of preventing them could be high, as it represents the value of all future human lives. We review the challenges to studying human extinction risks and, by way of example, estimate the cost effectiveness of preventing ...
exaly +3 more sources
Metapopulation extinction risk: Dispersal’s duplicity
Theoretical Population Biology, 2009Metapopulation extinction risk is the probability that all local populations are simultaneously extinct during a fixed time frame. Dispersal may reduce a metapopulation's extinction risk by raising its average per-capita growth rate. By contrast, dispersal may raise a metapopulation's extinction risk by reducing its average population density.
exaly +3 more sources
Trends in Ecology & Evolution, 1999
Jean Baptiste de Lamarck and Thomas Huxley, two of the foremost thinkers of the 18th and 19th centuries, believed that humanity could not cause the extinction of marine species. Their opinions reflected a widespread belief that the seas were an inexhaustible source of food and wealth of which people could barely use a fraction.
, Roberts, , Hawkins
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Jean Baptiste de Lamarck and Thomas Huxley, two of the foremost thinkers of the 18th and 19th centuries, believed that humanity could not cause the extinction of marine species. Their opinions reflected a widespread belief that the seas were an inexhaustible source of food and wealth of which people could barely use a fraction.
, Roberts, , Hawkins
openaire +2 more sources
The American Naturalist, 1988
Well-known theoretical predictions are that the risk of extinction should decrease with maximum population size (K) and should increase with the temporal coefficient of variation in population size (CV). In an unvarying environment, where extinction is caused solely by demographic accidents, the risk of extinction should decrease steeply with K; the ...
Stuart L. Pimm +2 more
openaire +1 more source
Well-known theoretical predictions are that the risk of extinction should decrease with maximum population size (K) and should increase with the temporal coefficient of variation in population size (CV). In an unvarying environment, where extinction is caused solely by demographic accidents, the risk of extinction should decrease steeply with K; the ...
Stuart L. Pimm +2 more
openaire +1 more source
The Infectious Diseases Specialist, At Risk of Extinction
The Journal of Infectious Diseases, 2023Abstract The results of the Infectious Diseases (ID) fellowship match over the past decade have raised concerns that the future of our specialty is in peril, despite the unprecedented demand for ID expertise as exemplified by the COVID-19 pandemic.
Rebecca Reece, Curt G Beckwith
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Extinction Risk and Conservation Priorities
Science, 2006Threatened species lists based on extinction risk are becoming increasingly influential for setting conservation priorities at regional, national, and local levels. Risk assessment, however, is a scientific endeavor, whereas priority setting is a societal process, and they should not be ...
Rebecca M, Miller +10 more
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2022
This chapter evaluates the problem of extinction. Many species are currently on the brink of extinction due to increasing human activity; this is well documented in the well-studied groups of birds, mammals, and amphibians. Island species have had a higher rate of extinction than mainland species, due to small population sizes and less previous ...
openaire +1 more source
This chapter evaluates the problem of extinction. Many species are currently on the brink of extinction due to increasing human activity; this is well documented in the well-studied groups of birds, mammals, and amphibians. Island species have had a higher rate of extinction than mainland species, due to small population sizes and less previous ...
openaire +1 more source