Inter- and intra-annual variations in the population of Tripos from the Bay of Bengal

被引:3
作者
Chitari, Rajath R. [1 ]
Anil, Arga Chandrashekar [1 ]
Kulkarni, Vinayak V. [1 ]
Narale, Dhiraj D. [1 ]
Patil, Jagadish S. [1 ]
机构
[1] Natl Inst Oceanog, CSIR, Panaji 403004, Goa, India
来源
CURRENT SCIENCE | 2017年 / 112卷 / 06期
关键词
Bay of Bengal; currents; dinoflagellates; eddies; monsoon; micro-phytoplankton; Tripos; PHYTOPLANKTON COMMUNITY STRUCTURE; WESTERN BAY; DINOFLAGELLATE CERATIUM; SAGAMI BAY; GROWTH-KINETICS; EASTERN COAST; NORTH PACIFIC; SEA; MONSOON; SUMMER;
D O I
10.18520/cs/v112/i06/1219-1229
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
Tripos, a species-rich ubiquitous thecate dinoflagel-late, serves as an excellent biological indicator of the water mass in the oceans. The inter- and intra-annual variations in the surface-water distribution of Tripos along the shipping routes of Chennai (C)-Port Blair (P)-Kolkata (K) in the Bay of Bengal was evaluated from October 2006 to September 2011. The highest numbers were recorded during fall intermonsoon (October 2007) in the C-P transect, and southwest monsoon (July 2010) in the P-K transect. In the C-P transect high numbers of T. furca can be attributed to mesoscale eddies, whereas in the P-K transect, it can be attributed to riverine discharge. The results point that, Tripos persists throughout the year in the Bay of Bengal and tend to increase with the elevation of nutrients.
引用
收藏
页码:1219 / 1229
页数:11
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