Morphological and distribution characteristics of \(\textit{Halophila beccarii}\) Aschers., 1871 in the Cau Hai lagoon, Thua Thien Hue province, Vietnam

Authors

  • Dang Thi Le Xuan Department of Biology, Hue University of Education, Thua Thien Hue, Vietnam
  • Phan Thi Thuy Hang Faculty of Biology, University of Sciences, Hue University, Thua Thien Hue, Vietnam
  • Ton That Phap Faculty of Biology, University of Sciences, Hue University, Thua Thien Hue, Vietnam
  • Truong Thi Hieu Thao Department of Biology, Hue University of Education, Thua Thien Hue, Vietnam
  • Hoang Cong Tin Faculty of Environmental Science, University of Sciences, Hue University, Thua Thien Hue, Vietnam
  • Luong Quang Doc Faculty of Biology, University of Sciences, Hue University, Thua Thien Hue, Vietnam

DOI:

https://doi.org/10.15625/1859-3097/17093

Keywords:

Halophila beccarii, Cau Hai lagoon, seagrass, morphological characteristic.

Abstract

Halophila beccarii Aschers., 1871 was one of the seagrass species that was vulnerable and threatened list by the International Union for Conservation of Nature (IUCN). During the survey period from March 2018 to September 2019, our results showed that H. beccarii was widely distributed in the Cau Hai lagoon and concentrated mainly in the Southeast area of the lagoon. The distribution of H. beccarii was seasonal. The species’ growth started from the early rainy season of the previous year until the end of the dry season of the following year. However, the period when the species had a high cover, biomass, and shoot density was from September 2018 to March 2019, and those values peaked in January 2019. The lowest cover and shoot density were recorded in November 2019, while the lowest biomass was in July 2019. The rainfall had a close positive correlation with the biomass of H. beccarii, while water salinity and water temperature were moderate negatively correlated with the biomass of the species.

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Published

2022-08-19

How to Cite

Dang, X. T. L., Phan Thi, T. H., Ton, T. P., Truong Thi , H. T., Hoang, C. T., & Luong, Q. D. (2022). Morphological and distribution characteristics of \(\textit{Halophila beccarii}\) Aschers., 1871 in the Cau Hai lagoon, Thua Thien Hue province, Vietnam. Vietnam Journal of Marine Science and Technology, 22(3). https://doi.org/10.15625/1859-3097/17093

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