Study suggests global extinction crisis more serious than previously thought Population extinctions are a more sensitive indicator of the loss of biological capital than species extinctions,� they wrote. �This is because many of the species that have lost a substantial portion of their populations are unlikely to go globally extinct and enter the species extinction statistics in the foreseeable future.�
{this seems vivid but to many it's a most obscure point. and needs explaining in still-more lay language. which I would do if I wasn't preparing for a somewhat harder task.}