scholarly journals Glacier retreat on South Georgia and implications for the spread of rats

2010 ◽  
Vol 22 (3) ◽  
pp. 255-263 ◽  
Author(s):  
A.J. Cook ◽  
S. Poncet ◽  
A.P.R. Cooper ◽  
D.J. Herbert ◽  
D. Christie
Keyword(s):  
East Coast ◽  
Average Rate ◽  
South Georgia ◽  
North East ◽  
The North ◽  
Breeding Populations ◽  
Increased Risk ◽  
South West Coast ◽  
Present Distribution ◽  
The 1950S

AbstractUsing archival photography and satellite imagery, we have analysed the rates of advance or retreat of 103 coastal glaciers on South Georgia from the 1950s to the present. Ninety-seven percent of these glaciers have retreated over the period for which observations are available. The average rate of retreat has increased from 8 Ma-1 in the 1950s to 35 Ma-1 at present. The largest retreats have all taken place along the north-east coast, where retreat rates have increased to an average of 60 Ma-1 at present, but those on the south-west coast have also been steadily retreating since the 1950s. These data, along with environmental information about South Georgia, are included in a new Geographic Information System (GIS) of the island. By combining glacier change data with the present distribution of both endemic and invasive species we have identified areas where there is an increased risk of rat invasion to unoccupied coastal regions that are currently protected by glacial barriers. This risk has significant implications for the surrounding ecosystem, in particular depletion in numbers of important breeding populations of ground-nesting birds on the island.

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.

HMS Owen's hydrographic surveys in South Georgia, 1960–61

Polar Record ◽  
1963 ◽  
Vol 11 (73) ◽  
pp. 423-430
Author(s):  
G. P. D. Hall
Keyword(s):  
East Coast ◽  
Summer Season ◽  
The West ◽  
South Georgia ◽  
North East ◽  
The North ◽  
Coastal Shipping ◽  
General Improvement ◽  
Colonial Office

In response to pressure from the Colonial Office and whaling interests for improvement of the Admiralty charts of South Georgia, the Hydrographer of the Navy despatched a surveying ship to operate there during the 1960–61 summer season. Priority was given to a thorough survey of the waters surrounding the western extremities of the island in order to facilitate the shortest passage between the whaling grounds in the west and the whaling stations on the north-east coast. Other commitments were the landing of scientists in co-operation with the Administration and, as opportunity offered, general improvement of the existing charts with particular reference to the coastal shipping routes.

XX.—Geology of the Outer Hebrides. Part IV.—South Harris

1927 ◽  
Vol 55 (2) ◽  
pp. 457-488 ◽  
Author(s):  
T. J. Jehu ◽  
R. M. Craig
Keyword(s):  
West Coast ◽  
East Coast ◽  
Long Island ◽  
North West ◽  
Narrow Neck ◽  
North East ◽  
The North ◽  
South West ◽  
Outer Hebrides ◽  
South West Coast

Harris is supposed to derive its name from the Gaelic “na hardibh,” a designation signifying “the heights.” The term is appropriate in that the most mountainous parts of the Long Island lie within its boundaries.South Harris forms a natural geographical division for it is divided, from North Harris by a narrow neck of iand at Tarbert separating the eastern from the western seas. This isthmus is less than half a mile across. In addition to South Harris proper, this memoir deals also with the Isle of Scalpay and neighbouring islets off the north-east coast, the Isle of Taran-say on the north-west, and several islands off the south-west coast in the Sound of Harris, of which the principal ones are Ensay, Killegray, Groay, Lingay, and Gilsay.

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.

The ziggurrat and temples of Nimrud

Iraq ◽  
2002 ◽  
Vol 64 ◽  
pp. 135-216 ◽  
Author(s):  
J. E. Reade
Keyword(s):  
Nineteenth Century ◽  
The South ◽  
North West ◽  
North East ◽  
The North ◽  
Directorate General ◽  
The 1950S

The buildings on the citadel of Nimrud, ancient Kalah or Kalḫu, constitute a most impressive monument (Fig. 1; Postgate and Reade 1980), but the sporadic way in which they have been excavated leaves many questions unanswered. One puzzling area lies north and north-east of the great North-West Palace. It includes the ziggurrat, and the shrines of Ninurta, of Ištar Šarrat Nipḫi (formerly read Bēlat Māti) and of the Kidmuri (or Ištar Bēlat Kidmuri). Their interrelationships have yet to be established, and texts refer to further gods resident at Kalah. Excavations in this quarter were conducted by Layard, Rassam, Rawlinson, Loftus and Smith in the nineteenth century, and by Mallowan in the 1950s, and were resumed by staff of the Iraq Directorate-General of Antiquities in the early 1970s. This paper summarizes some of what we know or may deduce about the area, and defines some of the remaining problems; it does not include, except in passing, the relatively well-known Nabû Temple to the south. I have endeavoured to refer to all items except sherds found during British excavations in the area, but have not attempted the detailed publication which many of the objects, groups of objects, and pottery records may merit.A possible arrangement of the buildings in this area of Nimrud about 800 BC is given in Fig. 2, but it is a reconstruction from inadequate evidence. The relative dates, dimensions, locations and orientations of many excavated structures are arguable, and the plans published by different excavators cannot be fully reconciled. Major uncertainties concern the ziggurrat, the citadel-wall, the Kidmuri shrine and the area between the North-West Palace and the Ninurta shrine. There are many minor uncertainties. My reconstruction includes speculative features, while omitting some excavated walls which I regard as secondary.

Sign in / Sign up

Export Citation Format

Share Document