Eolian dust affects phytoplankton in the waters off Kuwait, the Arabian Gulf

被引：21
|
作者：
Rao, DVS
Al-Yamani, F
Rao, CVN
机构：
[1] Kuwait Inst Sci Res, Mariculture & Fisheries Dept, Salmiya 22017, Kuwait
[2] Kuwait Univ, Dept Biochem, Safat 13060, Kuwait
来源：
NATURWISSENSCHAFTEN | 1999年 / 86卷 / 11期
关键词：
D O I：
10.1007/s001140050667
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：
Summer phytoplankton assemblages from surface waters off Kuwait were enriched with levels of eolian dust (10(5), 10(6), and 10(7) mg/m(3)), similar to seasonal dust fallout for this region. Algal growth was positive and dose dependent. Highest biomass was up to 527 mu g chlorophyll a/l on day 5. The maximum doublings of biomass per day were 0.64, 0.77, and 1.42, corresponding to 10(5), 10(6), and 10(7) mg/m(3) enrichment and were significantly higher than the 0.56 for control. Changes in the phytoplankton species composition occurred with changes in biomass, with small algae dominating peak populations. It is suggested that through enrichment of trace elements via eolian dust, a high level of phytoplankton biomass and growth can be sustained in this arid environment.
引用
收藏
页码：525 / 529
页数：5
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