The occurrence and ecology of the centric diatom Cyclotella choctawhatcheeana Prasad in a Croatian estuary

Zrinka Burić, K. Kiss, E. Ács, Damir Viličić, Katarina Caput Mihalić, Marina Carić

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The centric diatom Cyclotella choctawhatcheeana Prasad has been found for the first time in the Adriatic Sea. It develops dense populations in the highly stratified, oligotrophic, karstic estuary of the Zrmanja River (eastern Adriatic Sea, Croatia). Cyclotella choctawhacheeana contributed to the phytoplankton community in the estuary with high abundance of up to 2 × 106 cells L-1. Maximum abundance was found in the marine layer, below the halocline, at a salinity range between 13-28, but it was able to develop over a very wide salinity range. The maximum development appeared in the temperature range of 8-18°C. It was present in 52% of samples throughout the year. The significant negative correlation with silica, nitrates and total inorganic nitrogen showed its preference for a marine, oligotrophic environment. We consider C. choctawhacheeana to be a significant constituent of the phytoplankton of the east Adriatic coast. It can be assumed that its succes is based on species wide tolerance to fluctuations of environmental factors.

Original languageEnglish
Pages (from-to)135-153
Number of pages19
JournalNova Hedwigia
Volume84
Issue number1-2
DOIs
Publication statusPublished - Feb 2007

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Cyclotella
Bacillariophyceae
diatom
estuaries
phytoplankton
estuary
oligotrophic environment
salinity
ecology
halocline
Adriatic Sea
inorganic nitrogen
Croatia
marine environment
silica
environmental factor
tolerance
nitrates
nitrate
coasts

ASJC Scopus subject areas

  • Plant Science

Cite this

The occurrence and ecology of the centric diatom Cyclotella choctawhatcheeana Prasad in a Croatian estuary. / Burić, Zrinka; Kiss, K.; Ács, E.; Viličić, Damir; Mihalić, Katarina Caput; Carić, Marina.

In: Nova Hedwigia, Vol. 84, No. 1-2, 02.2007, p. 135-153.

Research output: Contribution to journalArticle

Burić, Zrinka ; Kiss, K. ; Ács, E. ; Viličić, Damir ; Mihalić, Katarina Caput ; Carić, Marina. / The occurrence and ecology of the centric diatom Cyclotella choctawhatcheeana Prasad in a Croatian estuary. In: Nova Hedwigia. 2007 ; Vol. 84, No. 1-2. pp. 135-153.
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