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Studies of Beaks and Parasites of Antarctic Cephalopods
Metadata record for data expected ASAC Project 11 See the link below for public details on this project. From the abstract of the referenced paper: The Australian Antarctic Division carried out an extensive sampling program for pelagic and benthic fauna in Prydz Bay, Antarctica (Indian Ocean sector) in January to March 1991. A total of 341 cephalopod specimens comprising 256 squids and 85 octopods were captured for study. This preliminary report presents capture records of eight species of squids: Brachioteuthis sp., Kondakovia longimena, Bathyteuthis abyssicola, Mastigoteuthis psychophila, Psychroteuthis glacialis, Alluroteuthis antarcticus, Mesonychoteuthis hamiltoni and Galiteuthis glacialis. The Octopods captured are Megalehedone senei and several species of Pareledone. Psychoteuthis glacialis is reported to congregate on the bottom near the shelf edge at the depth of 400-600 metres. No distinctive pattern in diel vertical movement was found for any of the species captured. Evidence suggests the existence of ontogenetic descent in Galiteuthis glacialis. Cephalopod catches from the extensive sampling program for fishes and zooplankton were studied. For the pelagic fauna, half-hour duration IYGPT hauls were taken at three depths at 63 stations evenly distributed over Prydz Bay area. The three depths fished by the IYGPT at each station were near the surface, near the bottom or 800 m whichever was less, and the midpoint between those two depths. The 63 stations coincided with most of the stations used in the zooplankton sampling program which employed an RMT 1 + 8 net and sampled from 0-200 metres. Additionally 21 benthic samples were taken using bottom trawl, fished for half hour duration on the shelf of Prydz Bay.
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Ecology and Zoogeography of Parasites of Antarctic Fish
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The body surface, mouth, gills, internal organs and tissues of 368 teleost fish of 26 species from Prydz Bay, Heard Island, Macquarie Island, Davis Station and Casey Station in Antarctica were examined for parasites. At least eight species of Monogenea, seven species of Copepoda, and five or six species of Acanthocephala were recorded. Overall, the fauna of Monogenea and Copepoda of Antarctic fish is much poorer than that of lower latitudes, and there are fewer species of Gyrodactylidae relative to other Monogenea than at higher northern latitudes. Abundance and species richness of Acanthocephala are relatively high.
Shallow Coastal Marine Fauna of the Vestfold Hills and Rauer Island Antarctica
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This dataset is a description of the shallow coastal marine fauna found in the Vestfold Hills and Rauer Island area, Antarctica. The results are from various surveys in this region over a 12 month period in 1981-82, and a full listing of species (with photographs) is given in the documentation. It includes benthic, pelagic and planktonic organisms of the coast as well as those that inhabit the ice-water interface.
Morphology, Taxonomy and Ecology of Terrestrial Antarctic Ciliates and Testaceans (Protozoa)
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Project 565: The database provides a list of species of ciliates and testate amoebae (Protozoa: Ciliophora; Testacea) recorded in various edaphic habitats, e.g., mineral soils (fellfield), ornithogenic soils, terrestrial mosses, from ice-free coastal areas and inshore islands in the area of Casey Station, Wilkes Land, coastal continental Antarctica. 26 ciliate (9 first records for continental Antarctica, 1 undescribed) and 5 testacean species (3 new records) were found. Sea ice study (Weddell Sea): The ciliate biodivesity was studied in several types of sea ice (mainly young pancake ice) from the Weddell Sea, Antarctica, in the austral autumn 1992 (March-May) during the cruise ANT X/3 of RV Polarstern. 49 ciliate species were predominantly found in sea ice and 6 spp. in the pelagial; 20 of these were new to science. A word document containing a list of species that were recorded as part of the project is available for download from the provided URL. These data have also been incorporated into the biodiversity database.
Chaetognaths of the Southern Ocean
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This dataset is a document describing the Chaetognaths of the Southern Ocean. The synonymy, diagnostic characters, geographical and bathymetric distribution of each species is given together with an illustration of body, head and a seminal vesicle, and a distribution map. The document is available for download as a pdf from the provided URL.
Foraging ecology of Adelie penguins at Hop Island, Rauer Group 2012/13
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At Hop Island in the Rauer Group during the 2012/13 field season combinations of data loggers were deployed on different adelie penguins. The data loggers were GPS (two types), time-depth recorders and accelerometers. The accelerometer records head movement to identify when the bird captures prey. The units were later retrieved and the data downloaded. A document included with the data has further information about the data. The data were collected following protocols approved by the Australian Antarctic Animal Ethics Committee and supported through the Australian Antarctic program through Australian Antarctic Science project 4087. Data from GPS units deployed at Hop Island in 2011/12 is described by the metadata record with ID AAS_4087_adelie_penguin_tracking_hop_island_2011_12.
Foraging ecology of emperor penguins in summer and potential overlap with fisheries
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Metadata record for data from ASAC Project 1252 See the link below for public details on this project. Currently three datasets are attached to this metadata record. Dive data collected in 1988, track data from adult birds collected in 1994 and track data from fledglings collected in 1995. Dive data are available in Microsoft Word format, while the track data are available in Microsoft Excel format. A readme file (txt) is included in each download file to explain column headings, etc. ---- Public Summary from Project ---- To breed successfully the winter-breeding emperor penguins must fatten on two occasions: once before the onset of moult in January, and again prior to the commencement of the new breeding season in March. Interference with the capacity of the penguins to fatten in summer might be detrimental to the their breeding performance and survival later on in winter. This study seeks to determine the likely impact of commercial fishing operations on emperor penguin colonies at the Mawson Coast. More specifically, the data pertains to the locations of emperor penguins when fattening prior to the moult, and prior to the new breeding season. Project objectives: 1. To determine the extent and location of foraging areas of post-breeding adult Emperor penguins in summer. 3. To determine the extent and locations of foraging areas of fledgling Emperor penguins on their first trip to sea. 4. To identify interseasonal and interannual variations in foraging areas in conjunction with changes in seaice conditions and compare these with results from different colonies. 5. To survey the coastline of the AAT to verify the existence (or non-existence) of Emperor penguin colonies. Emperor penguins are icons of Antarctic wildlife and their conservation is of paramount interest to the wider community. They are also key consumers of marine resources in several areas and consequently there is great potential for interactions between feeding penguins and harvesting of fish and krill. Emperor penguins are one of the few species to breed on the fast ice (although there are three known land-based colonies, one of which has all but ceased to exist in recent years). Thus, the breeding habitat of Emperor penguins is subject to direct alteration as a result of climate change. Colonies of Emperors are found across a wide latitudinal range, from deep in the Ross Sea to the tip of the Antarctic Peninsula. This range includes breeding areas where significant changes in seaice are not (yet?) thought to be occurring to areas where seaice is changing rapidly. Accordingly, studies at multiple locations will provide valuable clues on how this species will be affected by a warming Antarctic. Additionally, Emperor penguins are large animals that live in a relatively small number of discrete locations. It is therefore more than feasible, using an international effort, to study an entire species and to make some predictions about their response to a warming world and to current and future fishing practices. This project aims to make the first steps towards an overall conservation assessment of Emperor penguins through studies in several locations around the Antarctic continent. Should these attempts be successful, then a more ambitious international project will be launched to take a species-wide perspective.
Biology report from Wilkes Station, 1962-1963
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This file contains logs, papers and a report on biological observations at Wilkes station in 1962-1963. Adelie penguins Emperor penguins Silver-grey petrels Antarctic petrels Cape pigeons Giant petrels Skuas Snow petrels Wilson's storm petrels Weddell seals Leopard seals Elephant seals Ross seals Killer whales The hard copy of the map has been archived by the Australian Antarctic Division library.
Report of seals, penguins, skuas, petrels, and whales Casey, 1977-1983
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This file contains a report of biological field work undertaken in the Casey region between 1977 and 1983. It includes information on Elephant Seals, Leopard Seals, Crabeater Seals, Adelie Penguins, Emperor Penguins, Skuas, Silver-Grey Petrels, Antarctic Petrels, Cape Pigeons, Snow Petrels, Wilson's Storm Petrels, Giant Petrels and Whales The hard copy of the log has been archived by the Australian Antarctic Division library.
Biology report from Wilkes Station, 1961
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This file contains a biology report produced at Wilkes Station in 1961. Contributors to the report were R. Penney, D.F. Soucek, L. Jones and N. Orton. The report comprises data pertaining to: Adelie penguins Emperor penguins Silver-grey petrels Antarctic petrels Cape pigeons Giant petrels Skuas Snow petrels Wilson's storm petrels Weddell seals Leopard seals Elephant seals Ross seals Killer whales The hard copy of the map has been archived by the Australian Antarctic Division library.