Results 101 to 110 of about 656,993 (310)
The long-term dynamics of fish take in the Azov sea in hydrogeological conditions change
Vìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Bìologìâ, Ekologìâ, 2012 The paper analyses the long-term dynamics of commercial fishing in the Azov Sea. Three stages of the fish catch assessed by its volume and causes of significant fluctuations of the total catch were defined.
V. А. Demchenko
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Geographical catch distribution of yellowfin and skipjack tuna in the Eastern Pacific Ocean, 1967-1970, and fleet and total catch statistics, 1962-1970 [PDF]
, 1971 ENGLISH: Logbook records of tuna vessels fishing in the eastern Pacific Ocean were used to prepare charts showing the distribution of yellowfin tuna and skipjack catches by i-degree area, by quarter of the year, and by gear, for the years 1967-1970 ...
Calkins, Thomas P., Chatwin, Bruce M.
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Intraspecific variation of cochlear morphology in bowhead and beluga whales
The Anatomical Record, EarlyView.Abstract The bony labyrinth of the petrosal bone, a distinctive feature of mammal skulls, is often identified in micro‐computed tomography imaging to infer species' physiological and ecological traits. When done as part of a comparative study, one individual specimen is normally considered representative of a species, and intraspecific variation is ...
John Peacock, J. G. M. Thewissen
wiley +1 more source
Stock assessment of the oceanic skipjack, Katsuwonus pelamis in Minicoy, Lakshadweep [PDF]
, 2002 The annual catch of skipjack tuna Katsuwonus pelamis at Minicoy fluctuated between 721.21 and 1036.5 t during 1993-'98 with an average catch of 827.61 which constituted about 89 % of the total tunas landed by pole and line (live bait) fishery and ...
Ganga, U, Pillai, P P, Sivadas, M
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The relationship between the annual catch of bigeye tuna and climate factors and its prediction
Frontiers in Marine ScienceIntroductionIn order to explore the impact of climate factors on bigeye tuna catch, monthly data of nine climate factors, including El Niño-related indices (Niño1 + 2, Niño3, Niño4, and Niño3.4), Southern Oscillation Index (SOI), North Atlantic Oscillation (NAO), Pacific Decadal Oscillation (PDO), North Pacific Index (NPI), and global sea–air ...
Peng Ding +6 more
openaire +2 more sources
The Anatomical Record, EarlyView.Abstract Walruses have been an important subsistence and cultural resource for humans and have been exploited for millennia across their distribution. This exploitation has contributed to severe declines in several populations and local extirpations.
Katrien Dierickx +6 more
wiley +1 more source
Results of economic usage of the pacific salmon resources in the Sakhalin-Kuril region in 2023
Известия ТИНРОPacific salmon fishery in the Sakhalin-Kuril region in 2023 is considered. The landing of 78.2.103 t was forecasted but the actual annual catch was 75.8.103 t or 97 % of the forecast. This ratio was the following for the mass species: pink salmon — 34643
A. A. Makoedov +5 more
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The Indian mackerel in 1978 [PDF]
, 1979 The Indian mackerel, Rastrelliger kanagurta (Cuvier) constitutes a fishery of great commercial importance in the country. The annual average catch of the mackerel during 1950-78 period was around 70,000 tonnes and it formed about 8% of the marine fish ...
CMFRI, FRAD
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Broadening the semiaquatic scene: Quantification of long bone microanatomy across pinnipeds
The Anatomical Record, EarlyView.Abstract Investigations of bone microanatomy are commonly used to explore lifestyle strategies in vertebrates. While distinct microanatomical limb bone features have been established for exclusively aquatic and terrestrial lifestyles, identifying clear patterns for the semiaquatic lifestyle remains more challenging.
Apolline Alfsen +10 more
wiley +1 more source
Study on Changes in Fishing in Anzali Lagoon (1992-1996)
Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1998 According to 5 years period from 1992 to 1996 the total catch in 1992-1996 was 2335158 kg with annual average of 467032 kg, and the catch during years of 1989, 90, 92, 93, 94, 95 and 96 was 100, 314, 598, 630 and 367 ton respectively.
A. Valipor; D. Haghighi
doaj