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Case Studies
Case Studies

Case Studies (325)

Thursday, 29 December 2011 12:30

Holes Bay, UK

Written by Johanna

Holes Bay, UK

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Hypoxia recorded in the 2000s.

Type of regime shift

Ecosystem type

  • Freshwater lakes & rivers

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Europe

Region

  • West Europe

Countries

  • United Kingdom

Locate with Google Map

Key References

  1. OSPAR commission. 2003. OSPAR Integrated Report 2003 on the Eutrophication Status of the OSPAR Maritime Area Based Upon the First Application of the Comprehensive Procedure. Eutrophication Series. Available online http://www.eutro.org/documents/p00189_Eutrophication Status Report 2003.pdf (Last accessed 29.12.2011)

Citation

Johanna Yletyinen. Holes Bay, UK. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 18:55:23 GMT.
Thursday, 29 December 2011 12:26

Firth of Clyde Estuary, UK

Written by Johanna

Firth of Clyde Estuary, UK

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Hypoxia first recorded in the 1980s.

Type of regime shift

Ecosystem type

  • Marine & coastal

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Europe

Region

  • West Europe

Countries

  • United Kingdom

Locate with Google Map

Key References

  1. Bock MT, Miller BS, Bowman AW. 1999. Assessment of eutrophication in the Firth of Clyde: Analysis of coastal water data from 1982 to 1996. Marine Pollution Bulletin 38, 222-231.

Citation

Johanna Yletyinen. Firth of Clyde Estuary, UK. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 18:54:56 GMT.
Thursday, 29 December 2011 12:18

Chichester Harbour, England

Written by Johanna

Chichester Harbour, England

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Chichester Harbour is eutrophic. Hypoxia recorded in the 2000s.  

Type of regime shift

Ecosystem type

  • Marine & coastal

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Europe

Region

  • West Europe

Countries

  • United Kingdom

Locate with Google Map

Key References

  1. OSPAR commission. 2003. OSPAR Integrated Report 2003 on the Eutrophication Status of the OSPAR Maritime Area Based Upon the First Application of the Comprehensive Procedure. Eutrophication Series. Available online http://www.eutro.org/documents/p00189_Eutrophication Status Report 2003.pdf (Last accessed 29.12.2011)

Citation

Johanna Yletyinen. Chichester Harbour, England. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 18:54:58 GMT.
Thursday, 29 December 2011 12:08

Ebrie Lagoon, Cote d'Ivoire

Written by Johanna

Ebrie Lagoon, Cote d'Ivoire

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Industrial waste and domestic waste from coastal population have been disposed into the Ebrie Lagoon. Hypoxia has caused fish kills and changes in the trophic structure of the lagoon.  

Type of regime shift

Ecosystem type

  • Marine & coastal
  • Freshwater lakes & rivers

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Africa

Region

  • West Africa

Countries

  • Cote d'Ivoire (Ivory Coast)

Locate with Google Map

Key References

  1. Ukwe CN, Ibe CA, Nwilo PC, Huidobro PA. (2006). Contributing to the WSSD targets on oceans and coasts in West and Central Africa: The Guinea Current Large Marine Ecosystem Project IJOO 1, 21-44.

Citation

Johanna Yletyinen. Ebrie Lagoon, Cote d'Ivoire. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2013-07-23 13:31:36 GMT.
Thursday, 29 December 2011 11:59

Belgian continental shelf

Written by Johanna

Belgian continental shelf

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Hypoxia type unknown but recorded in the 2000s.

Type of regime shift

Ecosystem type

  • Marine & coastal

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Europe

Region

  • West Europe

Countries

  • Belgium

Locate with Google Map

Key References

  1. OSPAR commission. 2003. OSPAR Integrated Report 2003 on the Eutrophication Status of the OSPAR Maritime Area Based Upon the First Application of the Comprehensive Procedure. Eutrophication Series. Available online: http://www.eutro.org/documents/p00189_Eutrophication Status Report 2003.pdf (Last accessed 29.12.2011)

Citation

Johanna Yletyinen. Belgian continental shelf. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 18:55:01 GMT.
Thursday, 29 December 2011 10:43

La Plata River Estuary, Argentina

Written by Johanna

La Plata River Estuary, Argentina

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Hypoxia in the La Plata river estuary caused a change in the trophic structure of fish.

Type of regime shift

Ecosystem type

  • Marine & coastal
  • Freshwater lakes & rivers

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • South America

Region

  • East coast of South America

Countries

  • Argentina

Locate with Google Map

Key References

  1. Nagy GJ, Gómez-Erache M, López CH, Perdomo AC. 2002. Distribution patterns of nutrients and symptoms of eutrophication in the Rio de la Plata River Estuary System. Hydrobiologia 475-476, 125-139.

Citation

Johanna Yletyinen. La Plata River Estuary, Argentina. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 18:55:03 GMT.

Western Indian Continental Shelf, India (Eastern Arabian Sea)

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Potential eutrophication has led to lower dissolved oxygen content.

Type of regime shift

Ecosystem type

  • Marine & coastal

Land uses

  • Fisheries

Spatial scale of the case study

  • Sub-continental/regional (e.g. southern Africa, Amazon basin)

Continent or Ocean

  • Asia

Region

  • Arabian Sea

Countries

  • Pakistan
  • India

Locate with Google Map

Key References

  1. Naqvi et al. 2009. Seasonal anoxia over the Western Indian continental shelf. Geophysical Monograph Series 185, 333-345.

Citation

Johanna Yletyinen. Western Indian Continental Shelf, India (Eastern Arabian Sea). In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 18:59:56 GMT.
Thursday, 29 December 2011 10:15

Dubai Creek, United Arab Emirates

Written by Johanna

Dubai Creek, United Arab Emirates

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Dubai Creek has received high levels of organic loading from sewage. Hypoxia has decreased benthic abundance and diversity.

Type of regime shift

Ecosystem type

  • Marine & coastal

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Asia

Region

  • Arabian Peninsula

Countries

  • United Arab Emirates

Locate with Google Map

Key References

  1. Saunders J, Zahedb KMA, Paterson DM. 2007. The impact of organic pollution on the macrobenthic fauna of Dubai Creek (UAE). Marine Pollution Bulletin 54, 1715-1723.

Citation

Johanna Yletyinen. Dubai Creek, United Arab Emirates. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 19:00:01 GMT.
Thursday, 29 December 2011 10:06

Tanshui Estuary, Taiwan

Written by Johanna

Tanshui Estuary, Taiwan

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Six million people live in the catchment area of the Tanshui River system. The Tanshui Estuary is heavily polluted since it receives untreated domestic discharge and both treated and untreated industrial effluent from its tributaries. Untreated domestic sewage and industrial waste contribute to hypoxia in the upper estuary.

Type of regime shift

Ecosystem type

  • Marine & coastal
  • Freshwater lakes & rivers

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Asia

Region

  • East Asia

Countries

  • China, Republic of (Taiwan)

Locate with Google Map

Key References

  1. Fang T-H, Lin C-L. 2002. Dissolved and particulate trace metals and their partitioning hypoxic estuary: The Tanshui Estuary in northern Taiwan. Estuaries 25, 598-607.

Citation

Johanna Yletyinen. Tanshui Estuary, Taiwan. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 19:00:03 GMT.
Thursday, 29 December 2011 09:54

Idefjord, Sweden and Norway

Written by Johanna

Idefjord, Sweden and Norway

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

Persistent hypoxia in Idefjord caused bethic mortality and reduced benthos. The hypoxia was first recorded in the 1960s. After closing of the local sulfite pulp mill, the fjord has recovered.

Type of regime shift

Ecosystem type

  • Marine & coastal

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Europe

Region

  • North Europe

Countries

  • Norway
  • Sweden

Locate with Google Map

Key References

  1. Hanslik D, Rosenberg K. 2006. The foraminiferal record of pollution and recovery of the formerly heavily polluted Idefjord, Sweden/Norway. Abstract, Svenska Havsforskarföreningen, Havsforskarmöte in Göteborg, 2-4 October 2001. Geophysical Research Abstracts 8.

Citation

Johanna Yletyinen. Idefjord, Sweden and Norway. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2012-03-17 19:00:07 GMT.