NDLI: Periphytic algal community structure in relation to seasonal variation and macrophyte richness in a shallow tropical reservoir

Content Provider	Springer Nature Link
Author	Souza, Mariane Lima Pellegrini, Barbara Golebski Ferragut, Carla
Copyright Year	2015
Abstract	The macrophyte structure can influence the development of periphytic algal community in a shallow ecosystem. We investigated the interrelationship between periphytic algal community on artificial substrate and macrophyte species richness during four seasons in a tropical shallow reservoir. The periphyton was evaluated by biomass (as AFDM), algal abundance, species composition, and species richness. Limnological variables and macrophyte coverage were determined at sites with different macrophytes richness in littoral zone. Glass slides were used as the substrate and colonization time was 30 days. Periphytic algal structure was significantly influenced by seasonality and macrophyte richness, as well as the interaction of two factors. Periphytic algal density on natural and artificial substrates was negatively correlated with macrophyte richness and coverage. High biomass, algal biovolume and dominance of Zygnemaphyceae occurred when there was an increase of Utricularia foliosa coverage (summer). Our results showed that the seasonality, and to a lesser extent macrophyte species richness, explained significant portion of the variability of periphyton biomass, algal abundance, and taxonomic composition on artificial substrate. The changes in macrophyte community may have direct consequences on the periphyton structure in a shallow tropical reservoir.
Starting Page	183
Ending Page	196
Page Count	14
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	755
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer International Publishing
Publisher Date	2015-03-27
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Artificial substrate Biomass Species richness Species composition Macrophyte coverage Periphyton Freshwater & Marine Ecology Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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