Evaluating the combined effects of ballast water management and trade dynamics on transfers of marine organisms by ships
Fig 4
The number of total vessel arrivals and bulker arrivals to Chesapeake Bay between 1994 and 2013.
(A) Arrivals to Chesapeake Bay based upon reports to the Baltimore and Hampton Roads Maritime Exchanges (MarEx) and MARAD from 1994–2005 and to NVMC from 2005–2013. (B) The number of overseas arrivals by bulk cargo vessels to Chesapeake Bay ports as reported to MARAD and NVMC. (C) The percentage of all arrivals to Chesapeake Bay that were overseas arrivals by bulkers as reported to MARAD and NVMC. n/a: Vessel type data were incomplete in 1994 and were excluded from analysis.