Vertical flux of biogenic carbon in the ocean: Is there food web control?

被引:113
作者
Rivkin, RB
Legendre, L
Deibel, D
Tremblay, JE
Klein, B
Crocker, K
Roy, S
Silverberg, N
Lovejoy, C
Mesple, F
Romero, N
Anderson, MR
Matthews, P
Savenkoff, C
Vezina, A
Therriault, JC
Wesson, J
Berube, C
Ingram, RG
机构
[1] UNIV LAVAL, DEPT BIOL, QUEBEC CITY, PQ G1K 7P4, CANADA
[2] INRS OCEANOL, RIMOUSKI, PQ G5L 3A1, CANADA
[3] MINIST PECHES & OCEANS, INST MAURICE LAMONTAGNE, MONT JOLI, PQ G5H 3Z4, CANADA
[4] FISHERIES & OCEANS CANADA, SCI BRANCH, MARINE HABITAT RES, ST JOHNS, NF A1C 5X1, CANADA
[5] MCGILL UNIV, DEPT ATMOSPHER & OCEAN SCI, MONTREAL, PQ H3A 2K6, CANADA
关键词
D O I
10.1126/science.272.5265.1163
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Models of biogenic carbon (BC) flux assume that short herbivorous food chains lead to high export, whereas complex microbial or omnivorous food webs lead to recycling and low export, and that export of BC from the euphotic zone equals new production (NP). In the Gulf of St. Lawrence, particulate organic carbon fluxes were similar during the spring phytoplankton bloom, when herbivory dominated, and during nonbloom conditions, when microbial and omnivorous food webs dominated. In contrast, NP was 1.2 to 161 times greater during the bloom than after it. Thus, neither food web structure nor NP can predict the magnitude or patterns of BC export, particularly on time scales over which the ocean is in nonequilibrium conditions.
引用
收藏
页码:1163 / 1166
页数:4
相关论文
共 47 条
[1]  
AELLON CM, 1985, J PLANK RES, V7, P821
[2]   THE RELATIONSHIP BETWEEN COMMUNITY RESPIRATION AND ETS ACTIVITY IN THE OCEAN [J].
ARISTEGUI, J ;
MONTERO, MF .
JOURNAL OF PLANKTON RESEARCH, 1995, 17 (07) :1563-1571
[3]   THE ECOLOGICAL ROLE OF WATER-COLUMN MICROBES IN THE SEA [J].
AZAM, F ;
FENCHEL, T ;
FIELD, JG ;
GRAY, JS ;
MEYERREIL, LA ;
THINGSTAD, F .
MARINE ECOLOGY PROGRESS SERIES, 1983, 10 (03) :257-263
[4]   DO UPPER-OCEAN SEDIMENT TRAPS PROVIDE AN ACCURATE RECORD OF PARTICLE-FLUX [J].
BUESSELER, KO .
NATURE, 1991, 353 (6343) :420-423
[5]   ANNUAL FLUX OF DISSOLVED ORGANIC-CARBON FROM THE EUPHOTIC ZONE IN THE NORTHWESTERN SARGASSO SEA [J].
CARLSON, CA ;
DUCKLOW, HW ;
MICHAELS, AF .
NATURE, 1994, 371 (6496) :405-408
[6]   EFFECTS OF TEMPERATURE ON 2 PSYCHROPHILIC ECOTYPES OF A HETEROTROPHIC NANOFLAGELLATE, PARAPHYSOMONAS-IMPERFORATA [J].
CHOI, JW ;
PETERS, F .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1992, 58 (02) :593-599
[7]  
COLLOS Y, 1987, INT J RAD APPL I, V38
[8]   ON NUTRITION AND METABOLISM OF ZOOPLANKION .V. FEEDING EFFICIENCY OF CALANUS FINMARCHICUS [J].
CORNER, EDS ;
COWEY, CB ;
MARSHALL, SM .
JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM, 1967, 47 (02) :259-&
[9]   NUTRITION AND METABOLISM OF ZOOPLANKTON .10. QUANTITATIVE ASPECTS OF CALANUS-HELGOLANDICUS FEEDING AS A CARNIVORE [J].
CORNER, EDS ;
HEAD, RN ;
KILVINGTON, CC ;
PENNYCUICK, L .
JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM, 1976, 56 (02) :345-358
[10]  
CROCKER K, UNPUB