| seabirds indicate changes in the composition of plastic litter in the atlantic and south-western indian oceans. | i compare plastic ingested by five species of seabirds sampled in the 1980s and again in 1999-2006. the numbers of ingested plastic particles have not changed significantly, but the proportion of virgin pellets has decreased 44-79% in all five species: great shearwater puffinus gravis, white-chinned petrel procellaria aequinoctialis, broad-billed prion pachyptila vittata, white-faced storm petrel pelagodroma marina and white-bellied storm petrel fregetta grallaria. the populations sampled range ... | 2008 | 18572198 |