Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water
There are few in situ observations of deep-sea macrofauna, due to the remoteness of this ecosystem. Visual surveys conducted for marine management by MAREANO, (marine area database for Norwegian waters) and the petroleum industry (by SERPENTS, scientific and environmental remotely operated vehicle p...
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ftnerc:oai:nora.nerc.ac.uk:526250 2023-05-15T15:14:51+02:00 Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water Buhl-Mortensen, Lene Tandberg, Anne Helene S. Buhl-Mortensen, Pål Gates, Andrew R. 2015-08-14 http://nora.nerc.ac.uk/id/eprint/526250/ https://doi.org/10.1080/00222933.2015.1062152 unknown Buhl-Mortensen, Lene; Tandberg, Anne Helene S.; Buhl-Mortensen, Pål; Gates, Andrew R. orcid:0000-0002-2798-5044 . 2015 Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water. Journal of Natural History, 50 (5-6). 323-337. https://doi.org/10.1080/00222933.2015.1062152 <https://doi.org/10.1080/00222933.2015.1062152> Publication - Article PeerReviewed 2015 ftnerc https://doi.org/10.1080/00222933.2015.1062152 2023-02-04T19:49:50Z There are few in situ observations of deep-sea macrofauna, due to the remoteness of this ecosystem. Visual surveys conducted for marine management by MAREANO, (marine area database for Norwegian waters) and the petroleum industry (by SERPENTS, scientific and environmental remotely operated vehicle partnership using existing industrial technology) have provided unique material of visual information from large areas in the Norwegian Sea. The distribution, density and behaviour of the deep-sea amphipod Neohela monstrosa (Boeck, 1861) is described based on videos and samples from the Norwegian Sea. This amphipod is common on mud bottoms at 200–2181 m depth in the area. Dense communities were found in stands of the arctic sea pen Umbellula encrinus at more than 1000 m depth where temperatures were below 0° C. The mean density of N. monstrosa observed for larger areas was 4/100 m2 but densities of 15–36 individuals per m2 were found in local patches. It is domicolous which is characteristic of the superfamily Corophiida and digs burrows in soft muddy bottoms primarily by using large shovel-like gnathopods to scoop the sediment out. The amphipod was observed pushing and rolling sediment balls out of its burrow, which were probably held together with amphipod silk. It digs out an upper 3 to 4 cm wide burrow with a horizontal side burrow a couple of centimetres down. Neohela monstrosa appears to feeds on newly settled detritus that it collects from the surface sediment through the use of its long antennae while the burrow is mainly used for protection against predators such as demersal fish. Newly released juveniles are probably kept in the burrow for protection. Based on the local high density of N. monstrosa together with its habit of making long burrows, we suggest that there is significant bioturbation associated with the presence of N. monstrosa in deep sedimentary habitats of the Norwegian Sea, which likely provides an important ecosystem function. Article in Journal/Newspaper Arctic Norwegian Sea Natural Environment Research Council: NERC Open Research Archive Arctic Norwegian Sea Burrows ENVELOPE(163.650,163.650,-74.300,-74.300) Journal of Natural History 50 5-6 323 337 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
unknown |
description |
There are few in situ observations of deep-sea macrofauna, due to the remoteness of this ecosystem. Visual surveys conducted for marine management by MAREANO, (marine area database for Norwegian waters) and the petroleum industry (by SERPENTS, scientific and environmental remotely operated vehicle partnership using existing industrial technology) have provided unique material of visual information from large areas in the Norwegian Sea. The distribution, density and behaviour of the deep-sea amphipod Neohela monstrosa (Boeck, 1861) is described based on videos and samples from the Norwegian Sea. This amphipod is common on mud bottoms at 200–2181 m depth in the area. Dense communities were found in stands of the arctic sea pen Umbellula encrinus at more than 1000 m depth where temperatures were below 0° C. The mean density of N. monstrosa observed for larger areas was 4/100 m2 but densities of 15–36 individuals per m2 were found in local patches. It is domicolous which is characteristic of the superfamily Corophiida and digs burrows in soft muddy bottoms primarily by using large shovel-like gnathopods to scoop the sediment out. The amphipod was observed pushing and rolling sediment balls out of its burrow, which were probably held together with amphipod silk. It digs out an upper 3 to 4 cm wide burrow with a horizontal side burrow a couple of centimetres down. Neohela monstrosa appears to feeds on newly settled detritus that it collects from the surface sediment through the use of its long antennae while the burrow is mainly used for protection against predators such as demersal fish. Newly released juveniles are probably kept in the burrow for protection. Based on the local high density of N. monstrosa together with its habit of making long burrows, we suggest that there is significant bioturbation associated with the presence of N. monstrosa in deep sedimentary habitats of the Norwegian Sea, which likely provides an important ecosystem function. |
format |
Article in Journal/Newspaper |
author |
Buhl-Mortensen, Lene Tandberg, Anne Helene S. Buhl-Mortensen, Pål Gates, Andrew R. |
spellingShingle |
Buhl-Mortensen, Lene Tandberg, Anne Helene S. Buhl-Mortensen, Pål Gates, Andrew R. Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water |
author_facet |
Buhl-Mortensen, Lene Tandberg, Anne Helene S. Buhl-Mortensen, Pål Gates, Andrew R. |
author_sort |
Buhl-Mortensen, Lene |
title |
Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water |
title_short |
Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water |
title_full |
Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water |
title_fullStr |
Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water |
title_full_unstemmed |
Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water |
title_sort |
behaviour and habitat of neohela monstrosa (boeck, 1861) (amphipoda: corophiida) in norwegian sea deep water |
publishDate |
2015 |
url |
http://nora.nerc.ac.uk/id/eprint/526250/ https://doi.org/10.1080/00222933.2015.1062152 |
long_lat |
ENVELOPE(163.650,163.650,-74.300,-74.300) |
geographic |
Arctic Norwegian Sea Burrows |
geographic_facet |
Arctic Norwegian Sea Burrows |
genre |
Arctic Norwegian Sea |
genre_facet |
Arctic Norwegian Sea |
op_relation |
Buhl-Mortensen, Lene; Tandberg, Anne Helene S.; Buhl-Mortensen, Pål; Gates, Andrew R. orcid:0000-0002-2798-5044 . 2015 Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water. Journal of Natural History, 50 (5-6). 323-337. https://doi.org/10.1080/00222933.2015.1062152 <https://doi.org/10.1080/00222933.2015.1062152> |
op_doi |
https://doi.org/10.1080/00222933.2015.1062152 |
container_title |
Journal of Natural History |
container_volume |
50 |
container_issue |
5-6 |
container_start_page |
323 |
op_container_end_page |
337 |
_version_ |
1766345250220015616 |