Ecology

Habitat

Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Depth range based on 1860 specimens in 78 taxa.
Water temperature and chemistry ranges based on 1004 samples.

Environmental ranges
  Depth range (m): -0.5 - 4611.5
  Temperature range (°C): -1.871 - 28.954
  Nitrate (umol/L): 0.033 - 37.620
  Salinity (PPS): 31.893 - 38.201
  Oxygen (ml/l): 2.923 - 8.585
  Phosphate (umol/l): 0.044 - 2.968
  Silicate (umol/l): 0.667 - 142.776

Graphical representation

Depth range (m): -0.5 - 4611.5

Temperature range (°C): -1.871 - 28.954

Nitrate (umol/L): 0.033 - 37.620

Salinity (PPS): 31.893 - 38.201

Oxygen (ml/l): 2.923 - 8.585

Phosphate (umol/l): 0.044 - 2.968

Silicate (umol/l): 0.667 - 142.776
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:183Public Records:146
Specimens with Sequences:152Public Species:10
Specimens with Barcodes:151Public BINs:23
Species:16         
Species With Barcodes:11         
          
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Didemnum

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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Didemnum

Didemnum is a genus of tunicates in the family Didemnidae. Some species of Didemnum can be characterized as invasive species. This is particularly an issue off the east coast of the United States, where in early 2006, Didemnum were estimated to inhabit more than 175 square kilometers of this undersea region. Other areas where Didemnum are seen as invasive include Canada, New Zealand and the Netherlands.[1]

Didemnum vexillum turned up on coast of state of Washington in 2009 and has been showing up in Coos Bay and Winchester Bay, Oregon as of 13 May 2010.[2]

Species[edit]

Tunicate colonies of Didemnum sp. overgrowing the fronds of dark green algae. These colonies can quickly overgrow most surfaces and other organisms.

References[edit]

  • Woods Hole
  • (USGS) National Geologic Studies of Benthic Habitats, Northeastern United States has a Marine Nuisance Species page dedicated to this genus
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