The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean

被引：718
|
作者：
Karl, D
Letelier, R
Tupas, L
Dore, J
Christian, J
Hebel, D
机构：
[1] OREGON STATE UNIV, COLL OCEAN & ATMOSPHER SCI, CORVALLIS, OR 97331 USA
[2] AQUASEARCH INC, KAILUA, HI 96740 USA
[3] DALHOUSIE UNIV, DEPT OCEANOG, HALIFAX, NS B3H 4J1, CANADA
来源：
NATURE | 1997年 / 388卷 / 6642期
关键词：
D O I：
10.1038/41474
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：
Seven years of time-series observations of biogeochemical processes in the subtropical North Pacific Ocean gyre have revealed dramatic changes in the microbial community structure and in the mechanisms of nutrient cycling in response to large-scale ocean-atmosphere interactions. Several independent lines of evidence show that the fixation of atmospheric nitrogen by cyanobacteria can fuel up to half of the new production. These and other observations demand a reassessment of present views of nutrient and carbon cycling in one of the Earth's largest biomes.
引用
收藏
页码：533 / 538
页数：6
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