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Stable isotope analysis of vertebrae reveals ontogenetic changes in habitat in an endothermic pelagic shark
stable isotope analysis elasmobranch ontogenetic shift satellite tagging stable isotope mixing model
2015/11/16
Ontogenetic changes in habitat are driven by shifting life-history requirements and play an important role in population dynamics. However, large portions of the life history of many pelagic species a...
Limnological changes in a pond ecosystem caused by grass carp (Ctenopharyngodon idella Val.) low stocking density
aquatic macrophytes water and sediment chemistry phytoplankton
2015/6/8
Grass carp (Ctenopharyngodon idella Val.) stocked (29 kg/ha) in a small pond reduced the biomass of aquatic macrophytes from 109 g/m2 to 33 g/m2 during one growing season. The only changes in hydroche...
Dietary Changes in the Abalone,Haliotis discus hannai,and Relationship with the Development of the Digestive Organ
feeding growth nutrition post-larval abalone survival
2009/9/10
The feeding habits of the Ezo abalone, Haliotis discus hannai, changed with growth. Three major changes in the feeding of H. discus hannai were identified by reviewing recent studies on the feeding ha...
Seasonal changes in depth distribution of aquatic Oligochaeta in Southern Lake Kizaki, Central Japan
Southern Lake Kizaki Seasonal changes
2009/6/3
This is the first report on the seasonal changes in aquatic Oligochaeta fauna captured by Ekman-Birge sampler in
oligotrophic-mesotrophic Lake Kizaki, Nagano Prefecture, Central Japan. Depth distribu...
Quality Changes of Scad（Trachurus trachurus）Which Are Stored Under Different Chilling Conditions and Freezing At-12 °C
Quality Changes of Scad（Trachurus trachurus） Chilling Conditions Freezing At-12 °C
2009/1/16
In this study was aimed some quality changes and determitation of shelf life of scad (Trachurus trachurus)using different chilling methods and freezing temperature at -12 °C were investigated. Scad (T...
Temporal Changes in Size at Maturity and Their Implications for Fisheries Management for Eastern Bering Sea Tanner Crab
eastern Bering Sea size at maturity size limit Tanner crab
2008/11/17
Tanner crab (Chionoecetes bairdi) in the eastern Bering Sea are primarily distributed in Bristol Bay and around the Pribilof Islands. Summer trawl survey data in these two areas were used to estimate ...