Distribution and reproductive biology Of Corophium insidiosum (Amphipoda) on the north-east coast of England

1978 ◽  
Vol 58 (3) ◽  
pp. 585-596 ◽  
Author(s):  
Martin Sheader
Keyword(s):  
Reproductive Biology ◽  
Egg Production ◽  
East Coast ◽  
Feeding Activity ◽  
North East ◽  
Corophium Insidiosum ◽  
The North ◽  
High Turbidity ◽  
The Times

The distributions of Corophium insidiosum and C. bonnellii on the shores of Northumberland and Tyne and Wear suggest the former species to be common in areas of high turbidity, and the latter species in relatively clean conditions. In C. insidiosum breeding takes place throughout the year except during the months of November and December when mature females enter a ‘resting’ stage and immature females delay the onset of maturity. There are two main generations per year. Egg production is linked to a semi-lunar rhythm with peaks around the times of spring tides. Fecundity, brood mortality and feeding activity each vary seasonally.

scholarly journals Reproductive biology of Nemipterus japonicus (Bloch, 1791) in the trawl grounds along the north-east coast of India

2017 ◽  
Vol 64 (4) ◽  
Author(s):  
M. V. Hanumantha Rao ◽  
Shubhadeep Ghosh ◽  
K. Sreeramulu ◽  
V. U. Mahesh ◽  
M. Satish Kumar ◽  
...  
Keyword(s):  
Reproductive Biology ◽  
East Coast ◽  
Diameter Distribution ◽  
East Coast Of India ◽  
North East ◽  
The North ◽  
Nemipterus Japonicus ◽  
First Maturity ◽  
Somatic Index ◽  
Size At First Maturity

The reproductive biology of Nemipterus japonicus (Bloch, 1791) along the north-east coast of India was studied during 2012-2015 based on samples from the trawl landings at Digha, Paradeep, Visakhapatnam and Kakinada. Adults dominated the landings. Significant contribution by females was observed in most months of the year. Size at first maturity for females was 15.1 cm. Peak spawning season was during August to February and September to March in the northern and southern regions. Maturity and gonado-somatic index (GSI) were found to correlate well with sea surface temperature (SST). Fecundity increased with length and weight and varied from 13,176 to 1,30,798. Ova diameter distribution indicated the species to be a multiple/batch spawner.

II.—Further Notes on the Petrography of South Georgia

1916 ◽  
Vol 3 (10) ◽  
pp. 435-441 ◽  
Author(s):  
G. W. Tyrrell
Keyword(s):  
East Coast ◽  
The South ◽  
South Georgia ◽  
South Eastern ◽  
North East ◽  
The North ◽  
New Material ◽  
Rock Specimens

The new material on which this paper is based has lately been received through Mr. D. Ferguson, who recently investigated the geology of the island, and collected the rocks described in an earlier paper. It consists of twenty-seven rock specimens from the south-eastern end of the island, between Cape Disappointment and Cooper Island, and nine specimens from Gold Harbour on the north-east coast between Cooper Island and Royal Bay. All these were collected by the staff of the South Georgia Co., Ltd., under the instructions of Mr. Th. E. Salvesen, managing director, of Leith.

Redescription of Pseudogilquinia pillersi (Southwell, 1929) (Cestoda, Trypanorhyncha) from serranid and lethrinid fishes from New Caledonia and Australia

2007 ◽  
Vol 52 (3) ◽  
Author(s):  
Ian Beveridge ◽  
Claude Chauvet ◽  
Jean-Lou Justine
Keyword(s):  
Sri Lanka ◽  
Host Range ◽  
East Coast ◽  
New Caledonia ◽  
Epinephelus Coioides ◽  
North East ◽  
The North ◽  
Specific Variation ◽  
Epinephelus Malabaricus

AbstractPseudogilquinia pillersi (Southwell, 1929), a poorly known species of trypanorhynch, is redescribed from plerocerci collected from Epinephelus coioides (Hamilton, 1922), Epinephelus malabaricus (Bloch et Schneider, 1801) (Serranidae) and Plectropomus laevis (Lacépède, 1801) (Serranidae) off New Caledonia. These were compared with specimens from Lethrinus atkinsoni Seale, 1910 and Lethrinus miniatus (Forster, 1801) (Lethrinidae) off the north-east coast of Australia as well as syntypes from Protonibea diacantha (Lacépède, 1802) from Sri Lanka. Although size differences were found in parts of the scolex as well as in the sizes of the tentacular hooks, the hook arrangements were identical in all specimens. The differences observed were attributed provisionally to intra-specific variation across a wide geographic and host range.

Information about Antimalarial Chemoprophylaxis in Hospitalised Patients — Is it Adequate?

1997 ◽  
Vol 42 (1) ◽  
pp. 13-15 ◽  
Author(s):  
D. Nathwani ◽  
J Spiteri
Keyword(s):  
Public Health ◽  
Plasmodium Falciparum ◽  
East Coast ◽  
Central Africa ◽  
Public Health Problem ◽  
Oil Boom ◽  
North East ◽  
The North ◽  
Hospitalised Patients ◽  
The Uk

Malaria remains a huge public health problem worldwide, with over 100 million new cases annually, causing one to two million deaths.1 This global problem spills over into the UK, with around 2000 cases of reported annually.2 The proportion of infections due to Plasmodium falciparum (PF) continues to increase and worse still accounts for five to 12 deaths per year. In 1992, Nathwani et al reported the 10 year experience of malaria cases admitted to the Regional Infection Unit, in Aberdeen, Scotland-the “Oil Capital”.3 This study was of interest in that 46% of those British residents who acquired infection had travelled to West or Central Africa on oil related business. The Oil boom of the 1980‘ s appeared to very much centred around Aberdeen and the neighbouring hinterland but did not appear to extend to Dundee which was only 60 miles further down the North-East coast. We, therefore, carried out a retrospective study of patients with malaria admitted to the Regional Infectious Diseases Unit in Dundee over a fifteen year period between 1980 and 1994.

Chapter Eight

2008 ◽  
Author(s):  
Jonathan Swift
Keyword(s):  
East Coast ◽  
North East ◽  
The North

The Author, by a lucky Accident, finds Means to leave Blefuscu; and, after some Difficulties, returns safe to his Native Country. Three days after my Arrival, walking out of Curiosity to the North-East Coast of the Island; I observed, about half a League...

scholarly journals Late Holocene temperature variability in Tasmania inferred from borehole temperature data

2017 ◽  
Vol 13 (6) ◽  
pp. 559-572 ◽  
Author(s):  
Asadusjjaman Suman ◽  
Fiona Dyer ◽  
Duanne White
Keyword(s):  
East Coast ◽  
Past Century ◽  
Borehole Data ◽  
Depth Profiles ◽  
The Past ◽  
North East ◽  
The North ◽  
Borehole Temperature ◽  
Temperature Depth

Abstract. Thirty-six borehole temperature–depth profiles were analysed to reconstruct the ground surface temperature history (GSTH) of eastern Tasmania for the past 5 centuries. We used the singular value decomposition method to invert borehole temperatures to produce temperature histories. The quality of borehole data was classified as high or low based on model misfit. The quality of the borehole data was not dependent on topography or land use. Analysis reveals that three to five high-quality borehole temperature–depth profiles were adequate to reconstruct robust paleotemperature records from any area. Average GSTH reconstructed from Tasmanian boreholes shows temperature increases about 1.2 ± 0.2 °C during the past 5 centuries. Reconstructed temperatures were consistent with meteorological records and other proxy records from Tasmania during their period of overlap. Temperature changes were greatest around the north-east coast and decreased towards the centre of Tasmania. The extension of the East Australian Current (EAC) further south and its strengthening around the north-east coast of Tasmania over the past century was considered a prime driver of warmer temperatures observed in north-east Tasmania.

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