Data about <i>Sterna virgata</i>

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Distribution

Data about <i>Sterna virgata</i>
  • Geographic distribution
    A description of the geographic distribution, or range, of the taxon. Includes descriptions of global, regional, or political aspects of range and whether the taxon is native or introduced in portions of the range and endemicity.
    http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution
Geographic distribution
Additional detail South Indian Ocean World Register of Marine Species  
  • Latitude
    The geographic latitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic center of a Location. Positive values are north of the Equator, negative values are south of it. Legal values lie between -90 and 90, inclusive.
    http://rs.tdwg.org/dwc/terms/decimalLatitude
Latitude max
Additional detail -24.1 degrees OBIS Environmental Information  
min Additional detail -38.7 degrees OBIS Environmental Information  
  • Longitude
    The geographic longitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic center of a Location. Positive values are east of the Greenwich Meridian, negative values are west of it. Legal values lie between -180 and 180, inclusive.
    http://rs.tdwg.org/dwc/terms/decimalLongitude
Longitude min
Additional detail 25.66 degrees OBIS Environmental Information  
max Additional detail 77.62 degrees OBIS Environmental Information  

Ecology

Data about <i>Sterna virgata</i>
Habitat
Additional detail freshwater habitat
  • Freshwater habitat
    A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
    http://purl.obolibrary.org/obo/ENVO_00002037
IUCN  
Additional detail marine habitat
  • Marine habitat
    A habitat that is in or on a sea or ocean containing high concentrations of dissolved salts and other total dissolved solids (typically >35 grams dissolved salts per litre).
    http://purl.obolibrary.org/obo/ENVO_00000569
IUCN  
Additional detail terrestrial habitat
  • Terrestrial habitat
    A habitat that is on or at the boundary of the surface of the Earth.
    http://purl.obolibrary.org/obo/ENVO_00002009
IUCN  
Habitat
Additional detail cliff Environments - EOL project  
Additional detail fresh water Environments - EOL project  
Additional detail island
  • Island
    Area of dry or relatively dry land surrounded by water or low wetland.
    http://purl.obolibrary.org/obo/ENVO_00000098
Environments - EOL project  
Additional detail ocean
  • Ocean
    Continuous saline-water bodies that surround the continents and fill the Earth's great depressions.
    http://purl.obolibrary.org/obo/ENVO_00000015
Environments - EOL project  
Additional detail river
  • River
    Natural freshwater surface streams of considerable volume and a permanent or seasonal flow, moving in a definite channel toward a sea, lake, or another river; any large streams, or ones larger than brooks or creeks, such as the trunk stream and larger branches of a drainage system.
    http://purl.obolibrary.org/obo/ENVO_00000022
Environments - EOL project  
Additional detail scree
  • Scree
    Broken rock that appears at the bottom of crags, mountain cliffs or valley shoulders.
    http://purl.obolibrary.org/obo/ENVO_00000194
Environments - EOL project  
Additional detail shore
  • Shore
    That part of the land in immediate contact with a body of water including the area between high and low water lines.
    http://purl.obolibrary.org/obo/ENVO_00000304
Environments - EOL project  
Additional detail volcanic field
  • Volcanic field
    A region of the earth's crust that is prone to localized volcanic activity.
    http://purl.obolibrary.org/obo/ENVO_00000354
Environments - EOL project  
Water nitrate concentration min
Additional detail 3.05 µmol/L OBIS Environmental Information  
max Additional detail 3.86 µmol/L OBIS Environmental Information  
Water temperature min
Additional detail 14.92 degrees Celsius OBIS Environmental Information  
max Additional detail 15.47 degrees Celsius OBIS Environmental Information  
Water silicate concentration min
Additional detail 3.08 µmol/L OBIS Environmental Information  
max Additional detail 3.24 µmol/L OBIS Environmental Information  
Water phosphate concentration min
Additional detail 0.45 µmol/L OBIS Environmental Information  
max Additional detail 0.51 µmol/L OBIS Environmental Information  
Water dissolved O2 concentration min
Additional detail 5.79 mL/L OBIS Environmental Information  
max Additional detail 5.87 mL/L OBIS Environmental Information  
Water O2 saturation min
Additional detail 99.49 percent OBIS Environmental Information  
max Additional detail 99.74 percent OBIS Environmental Information  
Water salinity min
Additional detail 35.22 PSU OBIS Environmental Information  
max Additional detail 35.27 PSU OBIS Environmental Information  

Conservation

Data about <i>Sterna virgata</i>
Iucn red list category
Additional detail near threatened
  • Near threatened
    A taxon is Near Threatened when it has been evaluated against the criteria but does not qualify for Critically Endangered, Endangered or Vulnerable now, but is close to qualifying for or is likely to qualify for a threatened category in the near future.
    http://eol.org/schema/terms/nearThreatened
IUCN  
Population trend
Additional detail Stable IUCN  

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