Population structure and biological characteristics of Siriella gracilis (Mysida) from the Exclusive Economic Zone of India

Crustaceana ◽  
2013 ◽  
Vol 86 (5) ◽  
pp. 515-536 ◽  
Author(s):  
A. Biju ◽  
L. Jagadeesan ◽  
K. K. Kusum ◽  
U. K. Honey

2018 ◽  
Vol 199 ◽  
pp. 53-62 ◽  
Author(s):  
Kimani A. Kitson-Walters ◽  
Adam S. Candy ◽  
Nathan K. Truelove ◽  
Marcia E. Roye ◽  
Mona K. Webber ◽  
...  


2016 ◽  
Vol 82 (4) ◽  
pp. 597-604 ◽  
Author(s):  
Guanyu Hu ◽  
Zhou Fang ◽  
Bilin Liu ◽  
Dan Yang ◽  
Xinjun Chen ◽  
...  


Author(s):  
Xinjun Chen ◽  
Huajie Lu ◽  
Bilin Liu ◽  
Yong Chen

The jumbo flying squid, Dosidicus gigas, support an important squid fishery off the Exclusive Economic Zone of Chilean waters. However, we only have limited information about their biology. In this study, age, growth and population structure of D. gigas were studied using statoliths from 533 specimens (386 females and 147 males) randomly sampled in the Chinese squid jigging surveys from 2007 to 2008 off the Exclusive Economic Zone of Chile. Mantle lengths (MLs) of the sample ranged from 206 to 702 mm, and their ages were estimated from 150 to 307 days for females and from 127 to 302 days for males. At least two spawning groups were identified, the main spawning peak tended to occur between August and November (austral spring group), and the secondary peak appeared during March to June (austral autumn group). The ML–age relationship was best modelled by a linear function for the austral spring group and a power function for the austral autumn group, and the body weight (BW)–age relationship was best described by an exponential function for both the groups. Instantaneous relative growth rates and absolute growth rates for ML and BW did not differ significantly between the two groups. The growth rate of D. gigas tended to be high at young stages, and then decreased after the sub-adult stage (>180 days old). This study suggests large spatial and temporal variability in key life history parameters of D. gigas, calling for the collection of more data with fine spatial and temporal scales to further improve our understanding of the fishery biology of D. gigas.



Author(s):  
Joko Dwi Sugihartono

<p>in Indonesia is a region bordering the sea region of Indonesia determined by the law which included sea bed, land under it and water above it with the limit of 200miles. This is measured from Indonesian line of the sea.This whole time a lot of people see the shoreline as the sea border. This perspective makes us alienated and lack of knowledge to take advantage of the sea. This understanding also conjures the idea sea toll, to confirm that Indonesia is maritime country. Sea toll means building sea transportation with ships or sea logistic system which will serve nonstop back and forth from Sabang to Merauke. One of the factors to support this is by building ports (deep sea port) order to give faraway to big ships. A course that spreading as far as 5,000 kilometers or an eighth circumference of the earth One of the purposes of sea toll is to move the economy as efficient and evenly as possible. With the hope that, there will be ships back and forth on Indonesian water, so logistics cost will be cheap. That is why; sea toll is one of President Joko Widodo’s priorities which are also meant to develop Indonesia as maritime country and develop Indonesia as national unity. In addition sea toll can also be affirmation, that Indonesia is in every regions even if it is through ships.</p><p><strong>Keywords : Exclusive Economic Zone (ZEE) , Sea Toll , The Shaft Maritime, A Seaport</strong></p>



2016 ◽  
Vol 50 (6) ◽  
pp. 575-590 ◽  
Author(s):  
Koichiro Fujinaga ◽  
Kazutaka Yasukawa ◽  
Kentaro Nakamura ◽  
Shiki Machida ◽  
Yutaro Takaya ◽  
...  


Author(s):  
Valerie F. Paskevich ◽  
Florence L. Wong ◽  
John J. O'Malley ◽  
Andrew J. Stevenson ◽  
Christina E. Gutmacher




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