Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885
Twenty-one monthly collections of the Antarctic prosobranch gastropod Laevilacunaria antarctica Martens 1885 were obtained by divers at Signy Island, South Orkney Islands. Animals were contagiously distributed in the depth range 2–12 m below mean low water, with a mean monthly density of 199.0 ± 207...
Published in: | Journal of Experimental Marine Biology and Ecology |
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Elsevier
1979
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Online Access: | http://nora.nerc.ac.uk/id/eprint/525185/ https://doi.org/10.1016/0022-0981(79)90035-2 |
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ftnerc:oai:nora.nerc.ac.uk:525185 2023-05-15T13:41:44+02:00 Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885 Picken, G.B. 1979 http://nora.nerc.ac.uk/id/eprint/525185/ https://doi.org/10.1016/0022-0981(79)90035-2 unknown Elsevier Picken, G.B. 1979 Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885. Journal of Experimental Marine Biology and Ecology, 40 (1). 71-79. https://doi.org/10.1016/0022-0981(79)90035-2 <https://doi.org/10.1016/0022-0981(79)90035-2> Publication - Article PeerReviewed 1979 ftnerc https://doi.org/10.1016/0022-0981(79)90035-2 2023-02-04T19:49:18Z Twenty-one monthly collections of the Antarctic prosobranch gastropod Laevilacunaria antarctica Martens 1885 were obtained by divers at Signy Island, South Orkney Islands. Animals were contagiously distributed in the depth range 2–12 m below mean low water, with a mean monthly density of 199.0 ± 207.3 (S.D.) m−2. Size frequency distribution was analysed, and at least three year classes identified. There was a prolonged annual recruitment from mid winter to mid summer, and juveniles dominated the population numerically for ten months of the year. Growth was seasonal, with a high rate during the Austral spring and summer, and a reduced rate during winter. A mean biomass of 356.3 mg dry tissue wt · m−2 and a total annual production of 812.2 mg · m−2 were estimated for the second year of study, and a production to biomass ratio of 2.28 obtained. Article in Journal/Newspaper Antarc* Antarctic Antarctica Signy Island South Orkney Islands Natural Environment Research Council: NERC Open Research Archive Antarctic The Antarctic Austral South Orkney Islands ENVELOPE(-45.500,-45.500,-60.583,-60.583) Signy Island ENVELOPE(-45.595,-45.595,-60.708,-60.708) Journal of Experimental Marine Biology and Ecology 40 1 71 79 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
unknown |
description |
Twenty-one monthly collections of the Antarctic prosobranch gastropod Laevilacunaria antarctica Martens 1885 were obtained by divers at Signy Island, South Orkney Islands. Animals were contagiously distributed in the depth range 2–12 m below mean low water, with a mean monthly density of 199.0 ± 207.3 (S.D.) m−2. Size frequency distribution was analysed, and at least three year classes identified. There was a prolonged annual recruitment from mid winter to mid summer, and juveniles dominated the population numerically for ten months of the year. Growth was seasonal, with a high rate during the Austral spring and summer, and a reduced rate during winter. A mean biomass of 356.3 mg dry tissue wt · m−2 and a total annual production of 812.2 mg · m−2 were estimated for the second year of study, and a production to biomass ratio of 2.28 obtained. |
format |
Article in Journal/Newspaper |
author |
Picken, G.B. |
spellingShingle |
Picken, G.B. Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885 |
author_facet |
Picken, G.B. |
author_sort |
Picken, G.B. |
title |
Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885 |
title_short |
Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885 |
title_full |
Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885 |
title_fullStr |
Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885 |
title_full_unstemmed |
Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885 |
title_sort |
growth, production and biomass of the antarctic gastropod laevilacunaria antarctica martens 1885 |
publisher |
Elsevier |
publishDate |
1979 |
url |
http://nora.nerc.ac.uk/id/eprint/525185/ https://doi.org/10.1016/0022-0981(79)90035-2 |
long_lat |
ENVELOPE(-45.500,-45.500,-60.583,-60.583) ENVELOPE(-45.595,-45.595,-60.708,-60.708) |
geographic |
Antarctic The Antarctic Austral South Orkney Islands Signy Island |
geographic_facet |
Antarctic The Antarctic Austral South Orkney Islands Signy Island |
genre |
Antarc* Antarctic Antarctica Signy Island South Orkney Islands |
genre_facet |
Antarc* Antarctic Antarctica Signy Island South Orkney Islands |
op_relation |
Picken, G.B. 1979 Growth, production and biomass of the antarctic gastropod Laevilacunaria Antarctica Martens 1885. Journal of Experimental Marine Biology and Ecology, 40 (1). 71-79. https://doi.org/10.1016/0022-0981(79)90035-2 <https://doi.org/10.1016/0022-0981(79)90035-2> |
op_doi |
https://doi.org/10.1016/0022-0981(79)90035-2 |
container_title |
Journal of Experimental Marine Biology and Ecology |
container_volume |
40 |
container_issue |
1 |
container_start_page |
71 |
op_container_end_page |
79 |
_version_ |
1766155867463352320 |