Results 71 to 80 of about 3,728 (226)

Diel Vertical Migrators Respond to Short‐Term Upwelling Events

Geophysical Research Letters
Pelagic organisms inhabiting coastal upwelling regions face a high risk of advection away from the nearshore productive habitat, potentially leading to mortality.
Mei Sato, Kelly J. Benoit‐Bird
doaj   +1 more source

Site Fidelity, Depth Preference and Vertical Movement Patterns of Lentic and Lotic European Catfish Silurus glanis

Fisheries Management and Ecology, EarlyView.
ABSTRACT To study variables that may trigger the dispersion of the currently expanding European catfish in its native distribution limits, 42 individuals were captured from Upper Lake Constance (lentic) and 42 from two streaming tributaries (lotic), fitted with pressure and temperature loggers, and released at the site of capture (control: lotic or ...
Albert Ros, Jan Baer, Matthias Fromherz, Juergen Geist, Alexander Brinker   +4 more
wiley   +1 more source

Shark predation on migrating adult American eels (Anguilla rostrata) in the Gulf of St. Lawrence. [PDF]

PLoS ONE, 2012
In an attempt to document the migratory pathways and the environmental conditions encountered by American eels during their oceanic migration to the Sargasso Sea, we tagged eight silver eels with miniature satellite pop-up tags during their migration ...
Mélanie Béguer-Pon, José Benchetrit, Martin Castonguay, Kim Aarestrup, Steven E Campana, Michael J W Stokesbury, Julian J Dodson   +6 more
doaj   +1 more source

Effects of Dissolved Oxygen and Hypoxia on Catch Rates of Nearshore Groundfishes in a Recreational Hook and Line Fishery

Fisheries Oceanography, EarlyView.
ABSTRACT Global climate change is intensifying ocean deoxygenation, particularly in eastern boundary current systems such as the California Current. This study investigates the impact of hypoxic events on a nearshore, multispecies recreational groundfish fishery along the Oregon coast.
Leif K. Rasmuson, Alison D. Whitman, Brandy T. Cervantes, Jonathan P. Fram   +3 more
wiley   +1 more source

Ecological optimization of biomass and lipid production by microalgae [PDF]

, 2012
Microalgae have higher growth rates and higher lipid content than terrestrial plants and the yield per unit area is even higher by several orders of magnitude.
Stockenreiter, Maria
core  

Diel vertical migration of Cladocera in a compartment of a tropical reservoir

Acta Limnologica Brasiliensia, 2018
Aim This study seeks to analyze the vertical migration pattern of Cladocera species as related with the physical and chemical parameters of the water.
Erika dos Santos Silva, Odete Rocha, Maria José dos Santos-Wisniewski   +2 more
doaj   +1 more source

Interannual Variations in Distribution and Density of Japanese Anchovy (Engraulis japonicus) Larvae in the Shelf‐Break Region of East China Sea During Spring (2001–2022)

Fisheries Oceanography, EarlyView.
ABSTRACT Japanese anchovy (Engraulis japonicus) is the most abundant fish in the East China Sea (ECS) and an important fishery resource throughout its life stages. Using samples collected along the ECS shelf‐break in April over a 22‐year period (2001–2022), we examined the horizontal distribution and interannual variability of larval density (mean ...
Chiyuki Sassa, Satoshi Kitajima, Motomitsu Takahashi, Koh Nishiuchi, Yoshinobu Konishi, Youichi Tsukamoto   +5 more
wiley   +1 more source

Diel Vertical Migration of Chaetognaths in the Tsushima Current Area of the Japan Sea [PDF]

, 1998
Vertical distribution and diel migration of chaetognaths were studied in Toyama Bay and at Yamato Tai, areas affected by the Tsushima Current in the Japan Sea. Contrary to the common pattern, immature individuals of the cold water species Sagitta elegans
583, 西濱, 士郎, 50372024, Hirakawa, Kazumasa, 1940, ニシハマ, シロウ, ヒラカワ, カズマサ, Nishihama, Shiro, 40372015, 平川, 和正   +9 more
core  

Flight periodicity and the vertical distribution of high-altitude moth migration over southern Britain [PDF]

, 2009
The continuous operation of insect-monitoring radars in the UK has permitted, for the first time, the characterization of various phenomena associated with high-altitude migration of large insects over this part of northern Europe.
Wood, C.R., Wells, P.M., Reynolds, D.R., Wood, Curtis Ron, Chapman, J.W., Barlow, J.F., Woiwod, I. P., Wells, P. M., Woiwod, I.P., Wood, C. R., Barlow, Janet Fraser, Barlow, J. F., Chapman, J. W., Reynolds, D. R.   +13 more
core   +1 more source

Phytoplankton Tune Local pH to Actively Modulate Circadian Gravitactic Behavior

Advanced Physics Research
Diel vertical migration (DVM) is the daily movement of motile phytoplankton between light‐rich surface waters and deeper nutrient‐rich layers, typically governed by internal clocks. However, many species show irregular patterns that deviate from expected
Arkajyoti Ghoshal, Soumitree Mishra, Jayabrata Dhar, Hans‐Peter Grossart, Anupam Sengupta   +4 more
doaj   +1 more source