The majority of Antarctic species are labriform
New findings and a new species of the genus Ammothea (Pycnogonida, Ammotheidae), with an updated identification key to all Antarctic and sub-Antarctic species
... Most Antarctic and sub-Antarctic Ammothea species are endemic to the Southern ...Ammothea species (Gordon 1932; Fry and Hedgpeth 1969; Clark 1977; Child 1994), but a contin- uous update of ...
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DNA photorepair in echinoid embryos: effects of temperature on repair rate in Antarctic and non Antarctic species
... the Antarctic echinoid Sterechinus, but at significantly slower (non-temperature compensated) rates compared with non-Antarctic ...of Antarctic embryos to UV-R in comparison with non-Antarctic ...
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Prospects for surviving climate change in Antarctic aquatic species
... the Antarctic marine fauna is characterised by limited physiological capacities, and has a poor ability to cope with change using physiological capacities, possibly the poorest of any fauna so far ...The ...
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New species of prunoid radiolarians from the Antarctic Neogene
... of species identification alone, although, together with the text, a fairly clear idea can be obtained of his taxonomic ...to Antarctic material of the ...
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Myogenic cell cycle duration in Harpagifer species with sub Antarctic and Antarctic distributions: evidence for cold compensation
... in Antarctic fishes, the present study shows that, if such a restriction of growth rate exists, it is unlikely to be due to a limitation of muscle growth by low temperature since myogenic cell cycle progression ...
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A new species of Caprellinoides (Crustacea: Amphipoda: Phtisicidae) from the Antarctic
... caprellid species, Caprellinoides singu- laris, is described and illustrated based on the material collected on the Polarstern Cruise ANT XVII/3 from the Branfield ...this species is the presence of bilobed ...
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Male Antarctic fur seals: neglected food competitors of bioindicator species in the context of an increasing Antarctic krill fishery.
... Regionally significant declines among chinstrap penguin populations have been identified throughout the WAP and are thought by some not to reflect direct impacts on breeding adults but rather to reflect declining ...
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Ensemble based majority voting for point to point measurements of Gyrodactylus species identification
... BACKGROUND There are a range of significant multi-disciplinary issues with regard to classification of the Gyrodactylus species group. Firstly, manual classification is highly time consuming and labour intensive, ...
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Numerical simulation of a pectoral fin during labriform swimming
... fin. The first one is by controlling the phase differences between leading and trailing fin rays. This is the primary method in fishes lacking shoulder plate mobility. Through this method, a fish is able to create a ...
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Methodology and challenges of a complex multi-species eradication in the sub- Antarctic and immediate effects of invasive species removal
... some species were again breeding on the main island, some colonising from rat-free offshore rock ...while Antarctic tern breeding behaviour has shown a marked change in location from rock-stacks to ...
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Pristine populations of habitat-forming gorgonian species on the Antarctic continental shelf
... this species was assigned to the new Antarctic genus Arntzia 102 due to significant differences with the closest genera, Primnoella and ...only species included in the genus and it is easily ...
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Two new species of Ammothea (Pycnogonida, Ammotheidae) from Antarctic waters
... The main features of Ammothea pseudospinosa n. sp. are a proboscis distinctly trilobulated distally with a constriction at 2/3 of its length and dimorphism between the propodi of the anterior (first and second) and ...
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CHARACTERIZATION OF CYTOCHROME P450 IN THE ANTARCTIC KEY SENTINEL SPECIES TREMATOMUS BERNACCHII
... the Antarctic marine environment, but their naturally elevated concentrations can influence biological responses and sensitivity of the ...key species in the Antarctic environment, widely ...
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Marine Biodiversity of Antarctic Hard Rock Communities: Species Biomass and Energy Use
... my species of Brachiopoda were Liothyrella ...amphipod species, Dr Stefanie Kaiser from Senckenburg the Isopoda species and Dr Jana Doemel from Universitat Duisberg-Essen the pycnogonid ...abundant ...
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Performance limits of labriform propulsion and correlates with fin shape and motion
... each species pair, the species with the steeper stroke plane at maximum speed had significantly higher U crit and U p- max values than the species with the shallower stroke plane, which supports the ...
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Taxonomic resolution, functional traits, and the influence of species groupings on mapping Antarctic seafloor biodiversity
... the Antarctic continental shelf is high and unique, yet its distributional patterns are still relatively poorly ...many species are rare and seem only weakly related to environmental ...Grouping ...
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Unsteady flow affects swimming energetics in a labriform fish (Cymatogaster aggregata)
... In conclusion, our results suggest that swimming costs in unsteady flows depend on the magnitude of the water velocity fluctuations. When velocity fluctuations were relatively large, the energetic costs of swimming in ...
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Closely related octopus species show different spatial genetic structures in response to the Antarctic seascape
... sea species (France & Kocher, 1996; Schüller, 2011; Zardus et ...Ocean species promotes allopatric speciation, whereby genetically different populations experience yet further divergence in refugia during ...
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Surface reflectance properties of Antarctic moss and their relationship to plant species, pigment composition and photosynthetic function
... This research was supported by grant funding and logistic support from the Australian Antarctic Division. We are grateful for the generous loan of the GBC diffuse reflectance sphere by John Rock, Chemical ...
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Biology and population studies of two endemic Nematoceras (orchid) species on sub Antarctic Macquarie Island
... Two endemic orchid species, Nematoceras dienemum and N. sulcatum, are known from sub-Antarctic Macquarie Island. Several additional orchid populations on the island are reported and cleistogamy is ...
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