Biology
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englanti
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tarjonnut Arctic Ocean Biodiversity 2011
The most abundance surface-dwelling copepod of Arctic
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- tekijänoikeus
- Arctic Ocean Diversity
Comprehensive Description
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englanti
)
tarjonnut Arctic Ocean Biodiversity 2011
Body almost completely transparent, red tinting may be present on female urosome (the tail); Lipid sac can be prominent; Urosome (tail) long (40-50% of prosome); Antennae longer then prosome, but less than total length
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- Arctic Ocean Diversity
Habitat
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englanti
)
tarjonnut Arctic Ocean Biodiversity 2011
Boreal to arctic waters; Bipolar; Abundant on shelves, as well as over deep basins
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- Arctic Ocean Diversity
Life Cycle
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englanti
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tarjonnut Arctic Ocean Biodiversity 2011
Females spawn year-round, less in winter; Female carries eggs in 2 elongate clutches until hatching; Clutch size dependent on size of female, with maximums of ~30 and typically ~15-25 eggs; Generation length unclear, suggested as 1 year for Arctic and multiple generations per year in the sub-arctic; Life expectancy uncertain
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- Arctic Ocean Diversity
Trophic Strategy
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englanti
)
tarjonnut Arctic Ocean Biodiversity 2011
Microcarnivore feeding on motile phytoplankton and protists, plus copepod nauplii
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- Arctic Ocean Diversity
Diagnostic Description
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englanti
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tarjonnut iArczoo
Can be distinguished from O. atlantica by smaller size, structure of the rostrum and significantly shorter caudal setae.
- kääntäjä
- Ershova, Elizaveta
Distribution
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englanti
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tarjonnut iArczoo
Cosmopolite, but cold Atlantic waters are preferable locations
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- Ershova, Elizaveta
Ecology
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englanti
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tarjonnut iArczoo
Oceanic, epi- to bathypelagic species
- kääntäjä
- Ershova, Elizaveta
Morphology
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englanti
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tarjonnut iArczoo
Female:
Rostrum is directed down, is only visible from lateral view. Caudal setae are never longer than the abdomen. Eggs inside egg-sac are usually placed in 1 row. Md endopodite with a small seta and 3 setae subequal in length. 2nd endopodal segment of Mx1 present and armed with 1 seta; 1st lobe represented by 1 seta
Male:
Rostrum is absent. Both A1 are geniculate. The caudal setae are significantly shorter than in female.
- kääntäjä
- Ershova, Elizaveta
Size
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englanti
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tarjonnut iArczoo
Female: 0,68-1,20 mm
Male: 0,50-0,82 mm
- kääntäjä
- Ershova, Elizaveta
Oithona similis
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flaami
)
tarjonnut wikipedia NL
Oithona similis is een eenoogkreeftjessoort uit de familie van de Oithonidae.[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1866 door Claus.
Bronnen, noten en/of referenties Geplaatst op:
18-03-2013
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen.
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Oithona similis
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norja
)
tarjonnut wikipedia NO
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Oithona similis: Brief Summary
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norja
)
tarjonnut wikipedia NO
Oithona similis er en art av hoppekreps innen slekten Acartia som Baird beskrev i 1843. Den er et dyreplankton som utgjør føde for blant annet fiskeyngel. Den finnes i Atlanterhavet, og lever av alger og plankton.
Arten ble første gang beskrevet av Carl Friedrich Wilhelm Claus i 1866.
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Distribution
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englanti
)
tarjonnut World Register of Marine Species
Arctic to Cape Cod
North-West Atlantic Ocean species (NWARMS)
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- WoRMS Editorial Board
Habitat
(
englanti
)
tarjonnut World Register of Marine Species
upper and glacial epipelagic regions of the Gulf and estuary
North-West Atlantic Ocean species (NWARMS)
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- cc-by-4.0
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- WoRMS Editorial Board
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