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Record #128427:
Abundance, biomass and spatial distribution pattern of brittle stars (Echinodermata: Ophiuroidea) on the Kolbeinsey Ridge north of Iceland / Dieter Piepenburg, Karen von Juterzenka.
Title: | Abundance, biomass and spatial distribution pattern of brittle stars (Echinodermata: Ophiuroidea) on the Kolbeinsey Ridge north of Iceland / Dieter Piepenburg, Karen von Juterzenka. |
Author(s): | Piepenburg, Dieter. von Juterzenka, Karen. |
Date: | 1994. |
In: | Polar Biology. (1994.), Vol. 14 (1994) |
Abstract: | Species composition, abundance, biomass and spatial distribution pattern of brittle star assemblages of Kolbeinsey Ridge north of Iceland were investigated by analysing seafloor photographs and epibenthic sled catches. Five species were found, only one with density of more than 1 per m². Both slopes were hard-bottomed, but ophiuroid distributions differed. Biomasses were extrapolated by combining abundances from photographic counts with size-weight relationship and size frequencies established from sled catches. Highest masses and largest sizes were found on deep eastern slope. |
Notes: | Polar Biology. Vol. 14 :185-194 (1994). |
Keywords: | 574 -- Ecology. 574.2 -- Organisms, influence of environment. 59 -- Zoology. 593.94 -- Ophiuroidea. H2 -- Zoology: invertebrates. (*3) -- Arctic regions. (*35) -- Iceland. (*61) -- North Atlantic Ocean. |
SPRI record no.: | 128427 |
LDR 01591naa#a2200000#a#4500 001 SPRI-128427 005 20240328231132.0 007 ta 008 240328s1994####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-128427 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aPiepenburg, Dieter. 245 10 ‡aAbundance, biomass and spatial distribution pattern of brittle stars (Echinodermata :‡bOphiuroidea) on the Kolbeinsey Ridge north of Iceland /‡cDieter Piepenburg, Karen von Juterzenka. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1994. 300 ## ‡ap. 185-194 :‡bdiags., tables, map. 500 ## ‡aPolar Biology. Vol. 14 :185-194 (1994). 520 3# ‡aSpecies composition, abundance, biomass and spatial distribution pattern of brittle star assemblages of Kolbeinsey Ridge north of Iceland were investigated by analysing seafloor photographs and epibenthic sled catches. Five species were found, only one with density of more than 1 per m². Both slopes were hard-bottomed, but ophiuroid distributions differed. Biomasses were extrapolated by combining abundances from photographic counts with size-weight relationship and size frequencies established from sled catches. Highest masses and largest sizes were found on deep eastern slope. 650 07 ‡a574 -- Ecology.‡2udc 650 07 ‡a574.2 -- Organisms, influence of environment.‡2udc 650 07 ‡a59 -- Zoology.‡2udc 650 07 ‡a593.94 -- Ophiuroidea.‡2udc 650 07 ‡aH2 -- Zoology: invertebrates.‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*35) -- Iceland.‡2udc 651 #7 ‡a(*61) -- North Atlantic Ocean.‡2udc 700 1# ‡avon Juterzenka, Karen. 773 0# ‡7nnas ‡tPolar Biology. ‡gVol. 14 (1994) ‡wSPRI-64245 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240328