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However , FEMA anticipates that incidental take of the species will be difficult , if not impossible , to detect at any given project site because there have been no formal surveys for most species or habitats in areas where projects are likely to occur ; some species are very small and secretive , or they occur in habitats that make detections difficult ( i.e ., turbid water , dense cover , high canopy , underground burrows , and cryptic coloration ) , thereby making them nearly impossible to locate during survey efforts ; finding a dead or injured species is unlikely within a project activity area ; and / or mortality may be masked by seasonal fluctuations in numbers or other causes ( e.g ., oxygen depletions for aquatic species , migration and hibernation of terrestrial species , etc. ) . Dialog will continue to evolve , delivering products and solutions that make a difference to the way people work , " Martin concluded . I am curious , given the state of where we are with DSHEA now , do you believe that the federal government - - I believe the manufacturers need to step up to the plate , too - - but do you believe that the federal government has a role to play from a public health point of view to take the top 20 to 25 herbs that make up 80 percent of the sales in this country and do the safety studies on them ? There are , however , a number of key differences that make news an appropriate environment for using blackboards . " The need is obvious , and there has been very little in the way of new antibiotics in the past decade , " he says.Mix and matchSanti 's team took DNA sequences that produce bits of the proteins that make polyketides from several different bacteria , and mixed and matched them inside Escherichia coli bacteria.This much has been done before .