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Cinema Bayville

Teacher's Guide

Transcripts of Cinema Bayville movies

Past, Present, and Future

Chesapeake Past, Chesapeake Future, Part 2

Narrator: But decades of virtually unchecked growth have taken a heavy toll, leaving the Bay over-fertilized with too much nitrogen and phosphorous. The water murky and turbid, filled with sediment, requiring the Army Corps of Engineers to dredge the muddy bottom to keep harbors like the Port of Baltimore open.          

In the summer months, research divers collecting samples of oysters can barely see five feet ahead of them. Due to the high levels of nitrogen and phosphorus, some parts of the Bay now have low oxygen conditions, choking off underwater life.


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