scholarly journals Aurelia aurita (Cnidaria) Oocytes' Contact Plate Structure and Development

PLoS ONE ◽  
2012 ◽  
Vol 7 (11) ◽  
pp. e46542 ◽  
Author(s):  
Leonid S. Adonin ◽  
Tatyana G. Shaposhnikova ◽  
Olga Podgornaya
Keyword(s):  
Aurelia Aurita ◽  
Plate Structure ◽  
Contact Plate

Density-driven water exchange controls seasonal declines in jellyfish (Aurelia aurita) abundance in a shallow fjord system

2018 ◽  
Vol 597 ◽  
pp. 137-145 ◽  
Author(s):  
J Goldstein ◽  
C Jürgensen ◽  
UK Steiner ◽  
HU Riisgård
Keyword(s):  
Water Exchange ◽  
Aurelia Aurita ◽  
Fjord System

Fatigue Design Applied to A 5083-O/A 5183 Stiffened Plate Structure

1983 ◽  
Vol 1983 (153) ◽  
pp. 268-280
Author(s):  
Keiichi Sakai ◽  
Takeshi Uemura ◽  
Nobu Iino ◽  
Osamu Ushirokawa ◽  
Takayoshi Miyanari ◽  
...  
Keyword(s):  
Stiffened Plate ◽  
Plate Structure ◽  
Fatigue Design

UNCERTAINTIES ON ADHESIVE LAYER FOR A PLATE STRUCTURE: PASSIVE CONTROL

2019 ◽  
Author(s):  
Guilherme Silva Prado ◽  
Heinsten Frederich Leal dos Santos
Keyword(s):  
Passive Control ◽  
Adhesive Layer ◽  
Plate Structure

scholarly journals Shorter, warmer winters may inhibit production of ephyrae in a population of the moon jellyfish Aurelia aurita

Hydrobiologia ◽  
2020 ◽  
Author(s):  
Alexandra Loveridge ◽  
Cathy H. Lucas ◽  
Kylie A. Pitt
Keyword(s):  
Incubation Time ◽  
Life Stage ◽  
Aurelia Aurita ◽  
The Moon ◽  
Minimum Period ◽  
Moon Jellyfish ◽  
Winter Conditions ◽  
Scyphozoan Jellyfish ◽  
Significant Production ◽  
Planula Larvae

AbstractScyphozoan jellyfish blooms display high interannual variability in terms of timing of appearance and size of the bloom. To understand the causes of this variability, the conditions experienced by the polyps prior to the production of ephyrae in the spring were examined. Polyps reared from planula larvae of Aurelia aurita medusae collected from southern England (50°49′58.8; − 1°05′36.9) were incubated under orthogonal combinations of temperature (4, 7, 10 °C) and duration (2, 4, 6, 8 weeks), representing the range of winter conditions in that region, before experiencing an increase to 13 °C. Timing and success of strobilation were recorded. No significant production of ephyrae was observed in any of the 2- and 4-week incubations, or in any 10 °C incubation. Time to first ephyra release decreased with longer winter incubations, and more ephyrae were produced following longer and colder winter simulations. This experiment indicates that A. aurita requires a minimum period of cooler temperatures to strobilate, and contradicts claims that jellyfish populations will be more prevalent in warming oceans, specifically in the context of warmer winter conditions. Such investigations on population-specific ontogeny highlights the need to examine each life stage separately as well as in the context of its environment.

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