Skip to main content

Real-Time Water Quality Monitoring Shows Diurnal Variation of Dissolved Oxygen That Contributes to Unsolved Fish Kills

Buy Article:

$9.50 plus tax (Refund Policy)

Or sign up for a free trial

Algal blooms, low dissolved oxygen, and localized fish kills degrade estuaries along New Jersey's urbanized coastline. Fish kills, primarily involving Atlantic menhaden (Brevoortia tyrannus), have occurred in Monmouth County estuaries periodically throughout the past several decades. Typically, environmental agencies respond to reports of such events with intensive, after the fact, sampling efforts. In contrast, the Monmouth University Urban Coast Institute (UCI) provides accurate and comprehensive scientific information on coastal water quality using a network of long-term, near real-time monitoring stations in the northern estuaries of New Jersey (Urban Coast Institute 2009).

After investigation of recent menhaden kills in Branchport Creek, a tributary of the Shrewsbury River in late July and early August 2008, State and County environmental officials indicated that they found nothing out of the ordinary with the water quality in the vicinity of the fish kills and stated that they were likely the result of natural conditions. However, data from the UCI's monitoring network has shown unexpected features of these fish kills and greatly increased our understanding of them. Upon reviewing dissolved oxygen data from our Branchport Creek monitoring station, we observed dissolved oxygen levels approaching hypoxic conditions at night, a trend that may not be detected from day time grab samples. This finding likely accounts for the fact that these fish kills were, in fact, caused by oxygen depletion.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
No Metrics

Keywords: Atlantic Menhaden; Dissolved Oxygen; Fish Kills; Sensors; Water Quality Monitoring

Document Type: Research Article

Publication date: 2009-01-01

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Learn about the many other WEF member benefits and join today
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more