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Photosynthesis–irradiance parameters and community structure associated with coastal filaments and adjacent waters in the northern Arabian Sea
Comparisons were made among size-fractionated photosynthesis-irradiance ( P- E) parameters, chlorophyll a size distributions, and accessory pigment composition of natural phytoplankton assemblages in filaments, coastal upwelling waters, and an oligotrophic region of the northern Arabian Sea during t...
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Published in: | Deep-sea research. Part II, Topical studies in oceanography Topical studies in oceanography, 2000, Vol.47 (7), p.1249-1277 |
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Main Authors: | , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Comparisons were made among size-fractionated photosynthesis-irradiance (
P-
E) parameters, chlorophyll
a size distributions, and accessory pigment composition of natural phytoplankton assemblages in filaments, coastal upwelling waters, and an oligotrophic region of the northern Arabian Sea during the Fall Intermonsoon in 1995. Differences between
P-
E parameters,
P
B
max and
α
B, were observed between filaments and adjacent waters and were associated with differences in phytoplankton community structure. In a southern filament and coastal upwelled waters, the majority of the estimated biomass (chlorophyll
a) was present in the larger (2–20 and 20–200
μm) size fractions; dominant accessory pigments were 19′-butanoyloxyfucoxanthin and peridinin. In higher salinity waters, high percentages of chlorophyll
a and lutein/zeaxanthin were observed in the smallest size-fraction ( |
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ISSN: | 0967-0645 1879-0100 |
DOI: | 10.1016/S0967-0645(99)00143-5 |