Journal
HYDROBIOLOGIA
Volume 800, Issue 1, Pages 17-30Publisher
SPRINGER
DOI: 10.1007/s10750-017-3146-y
Keywords
Metacommunity; Phytoplankton assembly; Environmental filters; Water quality; Tropics; Inoculum rate
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Funding
- Science and Technology Project of Guangdong Province [2013B080500022, 2016A030313098]
- National Science Foundation of China (NSFC) [41403061]
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Phytoplankton in a complex network of reservoirs for drinking water supply was sampled in the dry and flood seasons to understand the role of dispersal through hydrochory and of environmental filters in determining the phytoplankton abundance and composition. The main assumptions tested in the present study are that (i) phytoplankton structure in these waterbodies is strongly dependent on the transportation with the river waters flowing through them and (ii) the importance of this stochastic transportation is decreasing as the connectivity with the river decreases allowing environmental filters to shape phytoplankton structure. The multivariate analysis showed that although phytoplankton was inoculated largely by Pearl River water inputs and inflow among the system, the hydraulic architecture of the reservoir network shaped and modulated the composition and abundance of phytoplankton.
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