• The oxygen minimum zone (OMZ), sometimes referred to as the shadow zone, is the zone in which oxygen saturation in seawater in the ocean is at its lowest...
    29 KB (4,360 words) - 02:33, 9 September 2024
  • Thumbnail for Arabian Sea
    Arabian Sea has one of the world's three largest oceanic oxygen minimum zones (OMZ), or “dead zones,” along with the eastern tropical North Pacific and the...
    21 KB (2,300 words) - 07:37, 24 May 2025
  • An oxygen minimum zone (OMZ) is characterized as an oxygen-deficient layer in the world's oceans. Typically found between 200 m to 1500 m deep below regions...
    23 KB (3,492 words) - 16:55, 4 June 2024
  • Thumbnail for Hypoxia (environmental)
    hypoxic zones are formed. Algal blooms Anoxic event Dead zone (ecology) Cyanobacterial bloom Denitrification Eutrophication Hypoxia in fish Oxygen minimum zone...
    17 KB (1,982 words) - 01:40, 31 March 2025
  • pig's rear." The worm has been observed residing just below the oxygen minimum zone (OMZ) between 875 and 1,200 meters (2,871 and 3,937 ft) deep — even...
    4 KB (541 words) - 17:09, 20 March 2025
  • Thumbnail for Dead zone (ecology)
    Dead zones are hypoxic (low-oxygen) areas in the world's oceans and large lakes. Hypoxia occurs when dissolved oxygen (DO) concentration falls to or below...
    85 KB (9,332 words) - 19:25, 17 May 2025
  • Thumbnail for Ocean deoxygenation
    Ocean deoxygenation (category Oxygen)
    an ongoing reduction in oxygen levels. As a result, the naturally occurring low oxygen areas (so called oxygen minimum zones (OMZs)) are now expanding...
    44 KB (5,180 words) - 23:00, 22 May 2025
  • Thumbnail for Benguela Current
    limited oxygen exchange create hypoxic areas called oxygen minimum zones at the coastal shelf and upper coastal slope. The Benguela oxygen minimum zone starts...
    10 KB (1,131 words) - 05:02, 20 March 2025
  • sinking organic matter and lack of gas exchange, often creates an oxygen minimum zone (OMZ) in the mesopelagic. The mesopelagic OMZ is particularly severe...
    50 KB (6,021 words) - 06:18, 23 May 2025
  • Thumbnail for Effects of climate change on oceans
    lowers the water's oxygen content even more. The ocean has already lost oxygen throughout its water column. Oxygen minimum zones are increasing in size...
    76 KB (14,087 words) - 14:08, 3 June 2025
  • Thumbnail for Last Glacial Maximum
    the Peruvian Oxygen Minimum Zone in the eastern Pacific was weaker than it is in the present day, likely as a result of increased oxygen concentrations...
    85 KB (9,332 words) - 15:02, 20 May 2025
  • established a tidal gauge network, gave an explanation for the Pacific oxygen minimum zone under the thermocline, and discovered the ocean current jet that...
    6 KB (648 words) - 22:13, 8 October 2024
  • Thumbnail for Japetella
    contains bioluminescent species. Japetella diaphana inhabits the oxygen minimum zone of the eastern tropical Pacific Ocean. It is a species of midwater...
    3 KB (327 words) - 21:52, 3 April 2024
  • an ongoing reduction in oxygen levels. As a result, the naturally occurring low oxygen areas (so called oxygen minimum zones (OMZs)) are now expanding...
    24 KB (4,395 words) - 06:33, 26 May 2025
  • Thumbnail for Vampire squid
    oceans is a discrete habitat known as the oxygen minimum zone (OMZ). Within an OMZ, the saturation of oxygen is too low to support aerobic metabolism in...
    38 KB (4,072 words) - 15:09, 23 May 2025
  • Thumbnail for Nitrification
    (November 2013). "Nitrite oxidation in the upper water column and oxygen minimum zone of the eastern tropical North Pacific Ocean". The ISME Journal. 7...
    42 KB (4,996 words) - 19:02, 23 May 2025
  • Thumbnail for Cold seep
    species). Furthermore, in these soft reduced sediments below the oxygen minimum zone off the Chilean margin, a diverse microbial community composed by...
    98 KB (11,193 words) - 05:20, 2 June 2025
  • Thumbnail for Ooedigera
    swam by moving side-to-side like a fish. It may have lived in an oxygen minimum zone alongside several predators in an ecosystem based on chemosynthetic...
    11 KB (1,315 words) - 19:33, 15 December 2024
  • it was shown to oxidize nitrite also in oxygen minimum zone of the ocean. Depletion of oxygen in such zones leads to preference of anaerobic processes...
    8 KB (682 words) - 19:19, 26 May 2025
  • was cooler and less salty than the Atlantic. They also found an oxygen minimum zone around 500 metres (1,600 ft) below the surface, making those aboard...
    13 KB (1,683 words) - 22:41, 27 May 2025
  • Thumbnail for Humboldt squid
    waters, as a larger proportion of the ocean would fall into the oxygen minimum zone. A more recent study, however, provided empirical and theoretical...
    42 KB (4,573 words) - 02:47, 1 June 2025
  • DNRA are most commonly found in environments low in O2, such as oxygen minimum zones (OMZs) in the water column, or sediments with steep O2 gradients...
    20 KB (2,408 words) - 06:12, 22 December 2024
  • Thumbnail for Microbial oxidation of sulfur
    low concentrations of oxygen. These include marine sediments, hydrothermal vents, cold seeps, sulfidic caves, oxygen minimum zones (OMZs), and stratified...
    74 KB (7,675 words) - 16:55, 22 May 2025
  • Thumbnail for Deepstaria enigmatica
    enigmatica jelly fall was first observed in the lower portion of the oxygen minimum zone of the ocean. It was observed as shrimp and crabs were scavenging...
    9 KB (945 words) - 12:09, 24 May 2025
  • participates in diel vertical migrations, spending the day in the oxygen-minimum zone and swimming to the ocean surface at sunset. Males can swim faster...
    5 KB (545 words) - 04:23, 27 May 2025
  • Thumbnail for Predatory tunicate
    Canyon system. Their abundance tended to be the greatest in the oxygen-minimum zone, which is 400–800 m (1,300–2,600 ft) down. Karen Sanamyan (2010)...
    4 KB (401 words) - 20:06, 11 May 2025
  • Ocean deoxygenation – Reduction of the oxygen content of the oceans Oxygen minimum zone – Zone in which oxygen saturation in seawater in the ocean is...
    20 KB (2,304 words) - 16:13, 26 May 2025
  • dwarfism among many foraminifera. This phase also saw an enhanced oxygen minimum zone and increased productivity in surface waters. Phase III lasted for...
    104 KB (10,777 words) - 07:42, 3 November 2024
  • Thumbnail for Shortspine thornyhead
    benthic invertebrates. As adults they live predominantly in the oxygen minimum zone (OMZ), and thus require specific adaptations/exaptations in order...
    8 KB (838 words) - 11:24, 14 October 2024
  • Thumbnail for Biogeochemical cycle
    loss from the ocean to the atmosphere in the so-called oxygen minimum zones or anoxic marine zones, driven by microbial processes. Other products, that...
    54 KB (5,675 words) - 23:13, 1 June 2025