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Hypoxia Is Increasing in the Coastal Zone of the Baltic Sea

Conley, Daniel LU ; Carstensen, Jacob; Aigars, Juris; Axe, Philip; Bonsdorff, Erik; Eremina, Tatjana; Haahti, Britt-Marie; Humborg, Christoph; Jonsson, Per and Kotta, Jonne, et al. (2011) In Environmental Science & Technology 45(16). p.6777-6783
Abstract
Hypoxia is a well-described phenomenon in the offshore waters of the Baltic Sea with both the spatial extent and intensity of hypoxia known to have increased due to anthropogenic eutrophication, however, an unknown amount of hypoxia is present in the coastal zone. Here we report on the widespread unprecedented occurrence of hypoxia across the coastal zone of the Baltic Sea. We have identified 115 sites that have experienced hypoxia during the period 1955-2009 increasing the global total to ca. 500 sites, with the Baltic Sea coastal zone containing over 20% of all known sites worldwide. Most sites experienced episodic hypoxia, which is a precursor to development of seasonal hypoxia. The Baltic Sea coastal zone displays an alarming trend... (More)
Hypoxia is a well-described phenomenon in the offshore waters of the Baltic Sea with both the spatial extent and intensity of hypoxia known to have increased due to anthropogenic eutrophication, however, an unknown amount of hypoxia is present in the coastal zone. Here we report on the widespread unprecedented occurrence of hypoxia across the coastal zone of the Baltic Sea. We have identified 115 sites that have experienced hypoxia during the period 1955-2009 increasing the global total to ca. 500 sites, with the Baltic Sea coastal zone containing over 20% of all known sites worldwide. Most sites experienced episodic hypoxia, which is a precursor to development of seasonal hypoxia. The Baltic Sea coastal zone displays an alarming trend with hypoxia steadily increasing with time since the 1950s effecting nutrient biogeochemical processes, ecosystem services, and coastal habitat. (Less)
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Contribution to journal
publication status
published
subject
in
Environmental Science & Technology
volume
45
issue
16
pages
6777 - 6783
publisher
The American Chemical Society
external identifiers
  • wos:000293758400009
  • scopus:80051777541
ISSN
1520-5851
DOI
10.1021/es201212r
project
BECC
language
English
LU publication?
yes
id
65bfa804-a12e-4293-9b87-3f57c2512225 (old id 2161413)
date added to LUP
2011-09-21 13:18:15
date last changed
2017-11-19 03:55:59
@article{65bfa804-a12e-4293-9b87-3f57c2512225,
  abstract     = {Hypoxia is a well-described phenomenon in the offshore waters of the Baltic Sea with both the spatial extent and intensity of hypoxia known to have increased due to anthropogenic eutrophication, however, an unknown amount of hypoxia is present in the coastal zone. Here we report on the widespread unprecedented occurrence of hypoxia across the coastal zone of the Baltic Sea. We have identified 115 sites that have experienced hypoxia during the period 1955-2009 increasing the global total to ca. 500 sites, with the Baltic Sea coastal zone containing over 20% of all known sites worldwide. Most sites experienced episodic hypoxia, which is a precursor to development of seasonal hypoxia. The Baltic Sea coastal zone displays an alarming trend with hypoxia steadily increasing with time since the 1950s effecting nutrient biogeochemical processes, ecosystem services, and coastal habitat.},
  author       = {Conley, Daniel and Carstensen, Jacob and Aigars, Juris and Axe, Philip and Bonsdorff, Erik and Eremina, Tatjana and Haahti, Britt-Marie and Humborg, Christoph and Jonsson, Per and Kotta, Jonne and Lannegren, Christer and Larsson, Ulf and Maximov, Alexey and Medina, Miguel Rodriguez and Lysiak-Pastuszak, Elzbieta and Remeikaite-Nikiene, Nijole and Walve, Jakob and Wilhelms, Sunhild and Zillén, Lovisa},
  issn         = {1520-5851},
  language     = {eng},
  number       = {16},
  pages        = {6777--6783},
  publisher    = {The American Chemical Society},
  series       = {Environmental Science & Technology},
  title        = {Hypoxia Is Increasing in the Coastal Zone of the Baltic Sea},
  url          = {http://dx.doi.org/10.1021/es201212r},
  volume       = {45},
  year         = {2011},
}