| exposure to the cyanotoxin microcystin arising from interspecific differences in feeding habits among fish and shellfish in the james river estuary, virginia. | the cyanotoxin, microcystin (mc), is known to accumulate in the tissues of diverse aquatic biota although factors influencing exposure, such as feeding habits and seasonal patterns in toxin production, are poorly known. we analyzed seasonal variation in the mc content of primary and secondary consumers, and used dietary analysis (gut contents and stable isotopes) to improve understanding of cyanotoxin transport in food webs. periods of elevated toxin concentration were associated with peaks in t ... | 2014 | 24694322 |