brett melbourne

tags: researchblogging.org, endangered species, estimating extinction risk, demographic heterogeneity, demographic stochasticity, environmental stochasticity, Mechanistic stochastic models, Brett Melbourne The endangered pelagic thresher shark, Alopias pelagicus. More than half of the world's shark species are under the threat of extinction due to overfishing by humans, especially for sharkfin soup. Image: Kevin Markey, 2004 (Pacific Shark Research Center). The International Union for Conservation of Nature (IUCN) released a report in 2007 indicating that more than 16,000 animal species…