Spatial and temporal distribution of submerged aquatic vegetation in a tropical coastal lagoon habitat in Viet Nam

Thi Thuy Hang Phan, Iris Stiers, Huong Nguyen, Thi Tuyet Pham, Phap Ton, Doc Luong, Ludwig Triest

Onderzoeksoutput: Article

2 Citaten (Scopus)

Samenvatting

Submerged aquatic vegetation (SAV) is considered as a keystone habitat, contributing significantly to structure and function of coastal lagoons. However, limited understanding of the factors driving SAV distribution and abundance across a wide range of salinity in tropical coastal lagoons has restricted the effectiveness of managing and preserving the ecosystem services in coastal lagoon habitats. This study examined the distribution and abundance of SAV species in the growing season in relation to water physico-chemical variables and grain sizes of sediment types in a tropical lagoon in Viet Nam. The results revealed that Najas indica and Halophila beccarii were the dominant species in the community of 7 SAV species, accounting for 70% of the total cover and 55% of the total biomass sampled. Variation partitioning showed that both water and sediment variables were important in explaining spatial distribution and abundance of SAV species across the coastal lagoon. Salinity was the most significant predictor variable that accounted for the variation of SAV species data. The study implied that changes of salinity and silt (versus sand) particles can lead to different SAV assemblages in the lagoon.

Originele taal-2English
Pagina's (van-tot)213–224
Aantal pagina's12
TijdschriftBotanica Marina
Volume61
Nummer van het tijdschrift3
DOI's
StatusPublished - 27 jun 2018

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