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  • Other Sources  (11)
  • Taylor & Francis  (11)
  • 2005-2009
  • 1990-1994  (10)
  • 1980-1984  (1)
  • 1925-1929
  • 1993  (10)
  • 1984  (1)
  • 1929
  • 1
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    Cephalopods of the Benguela Current off Namibia: new additions and considerations on the genus Lycoteuthis (1993)
    Taylor & Francis
    In:  Journal of Natural History, 27 (1). pp. 15-46.
    Details
    Publication Date: 2020-07-21
    Description: The present study contributes new information on the cephalopods off Namibia, contains the first record of Ornithoteuthis volatilis (Sasaki, 1915) in the Atlantic, and adds records of six species in the Benguela Current and three species in Namibian waters. The presence of certain species seldom encountered in the Benguela Current has been confirmed. A compilation of the cephalopod fauna off Namibia had also been included, listing 65 species. Additional morphological data on Stoloteuthis leucoptera, Lycoteuthis lorigera, Architeuthis sp., Pholidoteuthis boschmai, Ornithoteuthis volatilis, Eledone nigra, and Graneledone sp. have been provided. The status of the genus Lycoteuthis has been reviewed in the light of the first collection of Lycoteuthis lorigera (Steenstrup, 1875) males in the Atlantic, and Lycoteuthis diadema (Chun, 1900) has been considered to be a synonym for Lycoteuthis lorigera
    Type: Article , PeerReviewed
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  • 2
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    An annotated list of deep-sea fishes collected in the northern Red Sea, Gulf of Aqaba (1993)
    Taylor & Francis
    In:  Israel Journal of Zoology, 39 (4). pp. 299-336.
    Details
    Publication Date: 2017-08-10
    Description: During the years 1989–1993 an intensive collection of fishes from the aphotic zone (below 150 m) of the northern part of the Gulf of Aqaba was conducted. This survey recorded 69 fish species, 8 elasmobranchs, and 61 teleosts, belonging to 45 families. Fifteen species are endemic to the Red Sea: Mustelus mosis, Narcine bentuviai, Rhinobatos punctifer, Ophichthus echeloides, Rhynchoconger sp., Physiculus marisrubri, Ostichthys hypsipterygion sufensis, Pterygotrigla sp., Uranoscopus marisrubri, Parascolopsis sp.1 and sp. 2, Atrobucca geniae, Chromis pelloura, Samariscus sp., Thamnaconus modestoides erythraeensis. Eleven species are new records for the Red Sea: Gymnothorax johnsoni, Rhynchoconger sp., Synodus doaki, Pterygotrigla sp., Chelidoperca pleurospilus, Carangoides equula, Parascolopsis sp. 1 and sp. 2, Bodianus leucostictus, Paracaesio sordidus, and Samariscus sp. Two species, Cociella crocodilo and Parascolopsis eriomma, are first substantiated records for the Red Sea. None of the species recorded in this list is considered conventional deep-sea fishes. The ichthyofauna of the aphotic zone of the Gulf of Aqaba is composed of species of shallower origin.
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  • 3
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    Gammarid amphipods and littorinid snails have significant but different effects on algal succession in littoral fringe tidepools (1993)
    Taylor & Francis
    In:  Ophelia, 38 (2). pp. 69-88.
    Details
    Publication Date: 2018-03-22
    Description: Tests on the effects of two herbivore groups (littorinid snails and gammarid amphipods), on algal succession in high intertidal tidepools dominated by Fucus distichus showed that the grazer groups exert different grazing pressures on the algae. The differences can be related to the feeding morphologies ofthe two grazer guilds. The scraping, microphagous littorinid snails prevent the establishment of both micro- and rnacroalgae at the microscopic level. The biting, macrophagous gammarid amphipods are ineffective at grazing microalgae and prostrate macroalgae from the substratum, but exert a considerable influence on the erect macroalgae which escape littorinid grazing. Despite differences in feeding mechanisms, the magnitude of the effect of the two grazer groups on the canopy cover of macroalgae is similar.
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  • 4
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    A new species of the genusSiboglinum(Pogonophora) from the North Atlantic off Portugal (1993)
    Taylor & Francis
    In:  Sarsia, 78 (3-4). pp. 255-264.
    Details
    Publication Date: 2018-03-05
    Description: A new species of Siboglinum is reported from off the Tejo mouth, Portugal. It was dredged from c. 1100 m. It resembles S. atlanticum and certain other species, in having paired white glandular stripes on the forepart. In the posterior trunk region we found small gram-negative internal symbiotic bacteria. All described species of the genus Siboglinum are equipped with a single tentacle, but one of our specimens bears two tentacles.
    Type: Article , PeerReviewed
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  • 5
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    The use of satellites to monitor global transmission of microbes (1993)
    Taylor & Francis
    In:  International Journal of Remote Sensing, 14 (8). pp. 1447-1461.
    Details
    Publication Date: 2018-03-22
    Description: Most atmospheric parameters relevant to microbe dissemination into the atmosphere, including aerial transport and deposition, can be monitored by temperature and humidity, aerosols, clouds, precipitation, and wind through current meteorological and other satellite systems. A wide range of these parameters are already extracted and distributed operationally on a regional or global basis like cloudiness, cloud height, cloud motion, winds, surface temperature and atmospheric temperature profiles, and precipitation estimates, Some of these products like cloud motion, winds, and temperature profiles enter weather forecast models for initialization purposes. These models predict the global state of the atmosphere (some include precipitation and cloudiness) quite reliably for several days. Thus, an important part of the necessary technical framework for global disease spread and transmission monitoring exists.
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  • 6
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    The sponge association of the abyssal Norwegian Greenland Sea: Species composition, substrate relationships and distribution (1993)
    Taylor & Francis
    In:  Sarsia, 78 (2). pp. 83-96.
    Details
    Publication Date: 2018-03-05
    Description: During the ‘Meteor’ Expedition 13 in July and August 1990 to the northern part of the Norwegian Sea off west Spitsbergen, 7 stations with a depth of 2000 m or more were sampled with Agassiz trawl or hyperbenthos sledge, 14 more with a large box corer. Sponges were found at 6 of the trawl stations and in 2 box cores. A total of 19 species occurred, most of which were new to the area. Eight of the species were encountered more often than the other 11. Literature review and check of unpublished samples showed that by distribution, frequency of occurrence or abundance these species can be defined as the typical sponge association of the Norwegian and Greenland abyssal sea. This sponge association has a wide occurrence over the deep Norwegian-Greenland seas and parts of the Arctic basins. The analysis of substrate utilization of the 8 core species shows that all of them are able to colonize soft bottom, even some that previously had been considered to be dependent on hard substrate exclusively. Alternative substrate utilization and, in some species, the adoption of an infaunallife style are judged to be major reasons for the success of these species in the deep sea. The infaunal life style of the species Thenea abyssorum, Trichostemma sol and Tentorium semisuberites is documented and population structure data are given for the first time.
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  • 7
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    Conversion among North Atlantic surface water types (1993)
    Taylor & Francis
    In:  Tellus A: Dynamic meteorology and oceanography, 45 (1). pp. 72-79.
    Details
    Publication Date: 2018-03-22
    Description: Climatological data sets are used to estimate the amount of water changing temperature and salinity at the sea-surface owing to air-sea exchanges. Considering this conversion as a function of sea-surface temperature and salinity leads to the definition of a conversion vector, which represents mass sources and sinks for each water type. The vector representation shows graphically the way the shape of the temperature-salinity relation is driven at the surface by the air-sea heat and fresh water fluxes.
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  • 8
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    Spatial organization of schools of the SquidIllex illecebrosus (1984)
    Taylor & Francis
    In:  Marine Behaviour and Physiology, 10 (4). pp. 259-271.
    Details
    Publication Date: 2020-07-14
    Description: Illex illecebrosus squid appear to have a species‐typical and internally organized spatial arrangement of their groups. Squid maintained an average angle of 25° with respect to their nearest neighbour, and mostly had angular deviations between 5° and 20°. They maintained distances to nearest, second and third neighbours in a ratio of 1:1.5:2. The distances were strongly affected by group size (4, 20, or 38), with larger groups maintaining closer distances. Interindividual distances were not affected by two variables, day‐night and presence of a current in the large pool in which they were kept. The similarity of this organization to that of fish schools is discussed.
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  • 9
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    The cephalopod fauna of the sea of Marmara (1993)
    Taylor & Francis
    In:  Israel Journal of Zoology, 39 . pp. 255-261.
    Details
    Publication Date: 2021-01-11
    Description: The cephalopod fauna of the Sea of Marmara was investigated during the years 1991-1992. Three species, Sepia orbignyana Ferussac, 1826; Rondeletiola minor Naef, 1912; and Todaropsis eblanae (Ball, 1841), are hereby recorded for the first time from the Sea of Marmara.
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  • 10
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    Fertilizing capacity of squid ( Todarodes pacificus ) spermatozoa collected from various sperm storage sites, with special reference to the role of gelatinous substance from oviducal gland in fertilization and embryonic development (1993)
    Taylor & Francis
    In:  Invertebrate Reproduction & Development, 23 (1). pp. 39-44.
    Details
    Publication Date: 2021-04-30
    Description: Fertilizing capacity of spermatozoa collected from various storage sites in the male and female squids were examined by inseminated eggs in the presence or absence of gelatinous substances of the oviducal gland origin. Over 90% of the eggs were fertilized by the spermatozoa collected from the female's seminal receptacle regardless of the presence or absence of the gelatinous substance. Elevation of the chorion and the formation of perivitelline space was observed only in the jellied eggs. All jellyless eggs without perivitelline space died in 4 days after insemination. Spermatozoa collected from the spermatophore in the male's accessory gland could fertilize the majority of the eggs. On the other hand, those from the male's vas deferens could fertilize only 30–50% of both the jellied and jellyless eggs. It may be concluded from these experiments that the gelatinous substance of the oviducal gland origin has nothing to do with fertilization. However, it is essential for the elevation of the chorion and the formation of the perivitelline space. It may also be concluded that squid spermatozoa become fertile before they are transferred to the female's seminal receptacle.
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  • 11
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    Description of mature males of the histioteuthid cephalopod Histioteuthis atlantica (Hoyle, 1885) (Cephalopoda: Oegopsida) from the South Atlantic Ocean (1993)
    Taylor & Francis
    In:  South African Journal of Marine Science, 13 (1). pp. 51-62.
    Details
    Publication Date: 2021-09-06
    Description: Mature males of Histioteuthis atlantica are described. They differ from immature animals mainly in the unique photophore pattern of the distal portion of the mantle, i.e. in the presence of densely set, lensless photophores. These photophores resemble those on H. elongata, but they are smaller and much more dense on male H. atlantica. The occurrence of the photophore pattern in approximately the same dense concentration on the dorsum as well as the ventrum is unique in the family Histioteuthidae.
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