Results 81 to 90 of about 9,117 (197)

Combining video and GPS-tracking to study the spatial foraging distribution of a single-prey loading seabird

open access: yesAvian Research
Seabirds are valuable indicators of marine ecosystem processes and studying seabird diets can shed light on natural or human-induced variability in food-web composition. Specifically single-prey loading seabird species such as terns have the potential to
Ruben C. Fijn   +4 more
doaj   +1 more source

Hematological parameters of Brazilian sardines (Sardinella brasiliensis Steinachner, 1879) fed different concentrations of fatty acids in their diet

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia
This study aimed to evaluate the effect of different levels of omega-3 polyunsaturated fatty acids (n-3 PUFA) in the diet of Sardinella brasiliensis on their hematological parameters.
D. Santos   +8 more
doaj   +1 more source

Temporal and spatial distribution of fish larvae in Khur-e-Mussa Channel (Khuzestan-Persian Gulf

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2011
Temporal and spatial distribution of fish larvae population in eastern and western parts of Khure e Mussa channel in Khuzestan province (Persian Gulf) was studied during 2007-2008.
E. Koochaknjad email ; S. Dehghanmadiseh; A. Savari; Gh. Eskandari; N. Sakhiee
doaj  

Sequence and phylogenetic analysis of the mitochondrial genome for the Northern Anchovy, Engraulis mordax (Engraulidae: Clupeiformes)

open access: yesMitochondrial DNA. Part B. Resources, 2019
The northern anchovy, Engraulis mordax, is a small planktivorous fish from the northeastern Pacific Ocean that is an important forage for fishes, birds, and marine mammals, and is also the target of a commercial fishery.
Olivia H. Lewis, Sean C. Lema
doaj   +1 more source

Changes in the Epidermal Ultrastructure of Atlantic Herring (Clupea harengus) Yolk-sac Larvae Exposed to Copper

open access: yesAsian Fisheries Science, 2000
The effects of copper on the yolk-sac larvae of Clupea harengus (Clupeidae) hatched from eggs previously exposed to copper were examined in terms of epidermal ultrastructure.
A.R. ABBASI
doaj   +1 more source

Species composition and ecological relationships of icthyofauna on artificial Liberty Ship reefs off Port Aransas, Texas : final report submitted to the Texas Coastal and Marine Council in partial fulfillment of IAC (78-79)-0869 [PDF]

open access: yes, 1978
Submitted August 1978Five cruises were made to the Liberty Ship Reef off Port Aransas, Texas in June and July 1978. Collecting procedures, which included sampling by fish trap, hook and line, and long line, were relatively unchanged from previous trips ...
Roels, Oswald A., Vetter, Russell
core   +1 more source

Diet and food selection by Ramnogaster arcuata (Osteichthyes, Clupeidae)

open access: yesJournal of Fish Biology, 2011
The goals of this study were to describe the diet and estimate the trophic level and food selection of Jenyns's sprat Ramnogaster arcuata, one of the common fishes in the Bahía Blanca estuary in Argentina. The copepods Acartia tonsa [53·7% index of relative importance (IRI)] and Eurytemora americana (13·4% IRI), the mysid Arthromysis magellanica (13·9 ...
Lopez Cazorla, Andrea Cecilia   +3 more
openaire   +3 more sources

Fisheries statistical bulletin, Kainji Lake, Nigeria, 1998 [PDF]

open access: yes, 1999
A tabulated summary is presented of the main fisheries data collected to date (1998) by the Nigerian-German Kainji Lake Fisheries Promotion Project, together with a current overview of the fishery.

core  

Biosystematic study of (Clupeidae) Alosa in Mazandaran and Golestan province coastal waters

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2004
This survey is part of identification and determination of clupeidae (Genus Alosa), in southern Caspian Sea, Mazandaran and Golestan Province coastal waters during 1997-99. In this study, total of 336 fish samples were studied.
M. Afraei badpey1; F. Parafkandeh2; A. Salmani1; H. Khoshbavar rostami1
doaj  

The impact of environmental factors on CPUE and distribution of Kilka species (Pisces: Clupeidae), in the Southwest of Caspian Sea (Bandar Anzali) [PDF]

open access: yesبوم‌شناسی آبزیان, 2015
The present study analysed the relationship between catch amounts of the Clupeidae species and monthly average weather temperature, rainfall, wave high and water depth in the southwestern of Caspian Sea.
Kaveh Amiri   +4 more
doaj  

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