Ecology

Habitat

Depth range based on 50 specimens in 3 taxa.
Water temperature and chemistry ranges based on 12 samples.

Environmental ranges
  Depth range (m): 9.5 - 863
  Temperature range (°C): 2.975 - 6.452
  Nitrate (umol/L): 27.031 - 44.428
  Salinity (PPS): 33.654 - 34.330
  Oxygen (ml/l): 0.458 - 3.104
  Phosphate (umol/l): 2.304 - 3.217
  Silicate (umol/l): 45.818 - 148.704

Graphical representation

Depth range (m): 9.5 - 863

Temperature range (°C): 2.975 - 6.452

Nitrate (umol/L): 27.031 - 44.428

Salinity (PPS): 33.654 - 34.330

Oxygen (ml/l): 0.458 - 3.104

Phosphate (umol/l): 2.304 - 3.217

Silicate (umol/l): 45.818 - 148.704
 
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Wikipedia

Primnoa pacifica

Primnoa pacifica or Red Tree Coral is a cnidarian.[1] Red Tree Corals are listed as Habitat Areas of Particular Concern.[2]

Habitat[edit]

P. pacifica is typically a deep water coral normally found between 150 metres (490 ft) and 900 metres (3,000 ft).[3] In 2010, it was found in the unique habitat of the Tracy Arm fjord between 20 feet (6.1 m) and 100 feet (30 m).[3]

References[edit]

  1. ^ Cairns, Stephen D.; Bayer, Frederick M. (September 2005). "A review of the genus Primnoa (Octocorallia: Gorgonacea: Primnoidae), with the description of two new species". Bulletin of Marine Science. 32 77 (2): 225–256. Retrieved 15 October 2012. 
  2. ^ Stone Robert P, Shotwell S Kalei. (2007). "State of deep coral ecosystems in the Alaska Region: Gulf of Alaska, Bering Sea and the Aleutian Islands". In: Lumsden SE et al., eds. The State of Deep Coral Ecosystems of the United States. NOAA Technical Memorandum CRCP-3. Silver Spring, MD: 65–108. Retrieved 2013-03-11. 
  3. ^ a b Waller, RG; Stone, RP; Mondragon, J; Clark, CE (2011). "Reproduction of Red Tree Corals in the Southeastern Alaskan Fjords: Implications for Conservation and Population Turnover". In: Pollock NW, ed. Diving for Science 2011. Proceedings of the American Academy of Underwater Sciences 30th Symposium. Dauphin Island, AL: AAUS; 2011. Retrieved 2013-03-11. 
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