Deep-sea pelagic bioluminescence over the Mid-Atlantic Ridge

被引:19
作者
Heger, A. [1 ]
Ieno, E. N. [1 ,2 ]
King, N. J. [1 ]
Morris, K. J. [1 ]
Bagley, P. M. [1 ]
Priede, I. G. [1 ]
机构
[1] Univ Aberdeen, Oceanlab, Newburgh AB41 6AA, Aberdeen, Scotland
[2] Highland Stat Ltd, Newburgh AB41 6FN, Aberdeen, Scotland
基金
英国自然环境研究理事会;
关键词
bioluminescence; deep-sea; vertical distribution; seamounts; mesoscale eddy; Mid-Atlantic Ridge;
D O I
10.1016/j.dsr2.2007.09.014
中图分类号
P7 [海洋学];
学科分类号
0707 ;
摘要
Measurements were made for the first time of the number of stimulated sources of bioluminescence from the subsurface layer to the seafloor at 14 stations over the northern Mid-Atlantic Ridge, 42 degrees 56'N to 53 degrees 18'N. Overall, light emissions decreased from typical means of 46 sources m(-3) at 300-500 m down to 5 m(-3) at 2800 m depth. In the vicinity of the Azores, higher mean abundance (29.4 m(-3)) occurred at 500-1500 m compared to 13.9 m(-3) over the same depth range at a reference station east of the ridge. Compared with the reference station, elevated levels of bioluminescence (25 m(-3)) were also observed at depths of 700-965 m in the water column over the Faraday Seamount. North of the Subpolar Front there was little variability in the number of bioluminescent sources between the sampling stations. However, in the Frontal Zone high abundance of bioluminescent sources was detected down to 1500 m within an anticyclonic eddy. Smoothing techniques revealed that > 90% of the observed variation in the distribution of bioluminescence over the ridge was explained by sample depth in the water column. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:126 / 136
页数:11
相关论文
共 40 条
[1]   BIODIVERSITY OF THE PELAGIC OCEAN [J].
ANGEL, MV .
CONSERVATION BIOLOGY, 1993, 7 (04) :760-772
[2]  
ANGEL MW, 1983, EDDIES MARINE SCI
[3]  
[Anonymous], 1993, Visualizing Data
[4]   Directly measured mid-depth circulation in the northeastern North Atlantic Ocean [J].
Bower, AS ;
Le Cann, B ;
Rossby, T ;
Zenk, W ;
Gould, J ;
Speer, K ;
Richardson, PL ;
Prater, MD ;
Zhang, HM .
NATURE, 2002, 419 (6907) :603-607
[5]   BIOLUMINESCENCE PROFILE IN THE DEEP PACIFIC-OCEAN [J].
BRADNER, H ;
BARTLETT, M ;
BLACKINTON, G ;
CLEM, J ;
KARL, D ;
LEARNED, J ;
LEWITUS, A ;
MATSUNO, S ;
OCONNOR, D ;
PEATMAN, W ;
REICHLE, M ;
ROOS, C ;
WATERS, J ;
WEBSTER, M ;
YARBROUGH, M .
DEEP-SEA RESEARCH PART A-OCEANOGRAPHIC RESEARCH PAPERS, 1987, 34 (11) :1831-1840
[6]  
CLARKE GEORGE L., 1965, LIMNOL OCEANOGR, V10, pR54
[7]   QUANTITATIVE RECORDS OF THE LUMINESCENT FLASHING OF OCEANIC ANIMALS AT GREAT DEPTHS [J].
CLARKE, GL ;
HUBBARD, CJ .
LIMNOLOGY AND OCEANOGRAPHY, 1959, 4 (02) :163-180
[8]   PHYTOPLANKTON DYNAMICS ASSOCIATED WITH A GEOSTROPHIC FRONT - ECOLOGICAL AND BIOGEOCHEMICAL IMPLICATIONS [J].
CLAUSTRE, H ;
KERHERVE, P ;
MARTY, JC ;
PRIEUR, L ;
VIDEAU, C ;
HECQ, JH .
JOURNAL OF MARINE RESEARCH, 1994, 52 (04) :711-742
[9]   Planktonic bioluminescence measurements in the frontal zone of Almeria-Oran (Mediterranean Sea) [J].
Cussatlegras, AS ;
Geistdoerfer, P ;
Prieur, L .
OCEANOLOGICA ACTA, 2001, 24 (03) :239-250
[10]   ''Seamount effects'' in the zooplankton community near Cobb Seamount [J].
Dower, JF ;
Mackas, DL .
DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 1996, 43 (06) :837-858