Results 21 to 30 of about 700 (176)
Известия ТИНРО, 2016 Daily ration of the Okhotsk Sea herring is estimated as 3.9 % of the body weight in spring, 7.7 % in summer, 4.9 % in autumn, and 1.2 % in winter. Its mean annual consumption is assessed as 35.9 million t of prey, mainly zooplankton (97.3 % of the ration)
Konstantin M. Gorbatenko +1 more
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Pathways of Pelagic Connectivity: Eukrohnia hamata (Chaetognatha) in the Arctic Ocean
Frontiers in Marine Science, 2020 The dramatic warming of the Arctic Ocean will impact pelagic ecosystems in complex ways, including shifting patterns of species distribution and abundance, and altering migration pathways and population connectivity.
Hayley M. DeHart +4 more
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Chaetognatha, Spadellidae, Paraspadella nana Owre, 1963: new occurrence from the southwest Atlantic Ocean [PDF]
Check List, 2010 Chaetognaths are composed by six families and among them Spadellidae is strictly benthic. This study reports the first occurrence of Paraspadella nana Owre, 1963 in the coastal zone located in the northern region of Espírito Santo state (19°51’12” S, 40 ...
Michele Arruda +2 more
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Role of arrowworm Sagitta elegans (Chaetognatha) in plankton communities of the western Bering Sea
Известия ТИНРО, 2021 Arrowworm Saggita elegans is one of the important and abundant species in zooplankton communities of the western Bering Sea. Interannual variability of their biomass is considered on the data of long-term surveys conducted in 1986–2018, the species ...
E. P. Dulepova
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Brazilian Journal of Oceanography, 1992 The diet of Sagitta friderici off Ubatuba region, São Paulo State, was studied in March, 1989. Specimens were collected with a closing-net during three days at six hours' intervals (00:00; 06:00; 12:00; 18:00 h), at a fixed station of 38 m depth.
Luz Amelia Vega-Pérez, Tsui Hua Liang
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Barcoding of arrow worms (Phylum Chaetognatha) from three oceans: genetic diversity and evolution within an enigmatic phylum. [PDF]
PLoS ONE, 2010 Arrow worms (Phylum Chaetognatha) are abundant planktonic organisms and important predators in many food webs; yet, the classification and evolutionary relationships among chaetognath species remain poorly understood.
Robert M Jennings +2 more
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ParasitologiaThe prevalence of endoparasites associated with chaetognath abundance in the coastal waters of the Mexican Central Pacific was studied fortnightly from November 2010 to December 2011.
Viridiana Plascencia-Palomera +5 more
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Zooplankton of Oman Coastal Waters
Journal of Agricultural and Marine Sciences, 2014 Monthly sampling during daytime was carried out in 2007-2011 at Bandar Al-Khyran (23.51oN, 58.72oE) which is the largest semi-enclosed bay on the southern end of the Sea of Oman with about 4 km2 in surface area and an average depth of 10 m.
Sergey A. Piontkovski +4 more
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Oceans, 2023 In the oceans, Chaetognatha can contribute significantly to the total zooplankton biomass (up to 10–30%). The genus Eukrohnia, the dominant Chaetognath genus in the western subarctic Pacific, includes E. hamata and E. bathypelagica.
Yuya Nakamura +2 more
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Studies on chaetognaths off Ubatuba region, Brazil: I. distribution and abundance
Brazilian Journal of Oceanography, 1994 The distribution of chaetognath species off Ubatuba region, São Paulo State, Brazil, was studied during a program of multidisciplinary research. Ten species belonging to the genera Sagitta, Krohnita and Pterosagitta were identified. S.
Liang Tsui Hua, Luz Amelia Vega-Pérez
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