Spatial and temporal variations in calanoid copepod distribution in the Straits of Malacca

Hamid Rezai, Fatimah Md Yusoff, Aziz Arshad, Othman Ross

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The distribution and abundance of planktonic calanoid copepods were studied from samples collected at 13-20 stations during four oceanographic cruises (pre- and post- monsoons, and during northeast (NE) and southwest (SW) monsoons) performed between 1998 and 2000 in the Straits of Malacca. Space and time variations of calanoid copepods were described using univariate (number of species, diversity indices, abundance) as well as multivariate (MDS, ANOSIM, SIMPER) techniques from the "Plymouth Routines in Multivariate Ecological Research" (PRIMER) package. There were significant differences in abundance between the cruises. k-Dominance curves also revealed significant differences in the relative species abundance distributions among the monsoon periods, and a decrease in diversity from northern to southern parts of the Straits during each cruise. Multi-dimensional scaling revealed four groups of abundances with differences in species composition. Evidence from analysis of similarity (ANOSIM) suggested that the differences in communities among monsoon periods were significant, although spatial differences among samples in geographic locations in the northern, central and southern parts of the Straits were insignificant. These differences resulted from an overall change in the balance of relative abundance of few dominant species, rather from changes of many species. Similarity percentage analyses (SIMPER) indicated that the major species contributing to the average dissimilarity between monsoons varied temporally.

Original languageEnglish
Pages (from-to)157-167
Number of pages11
JournalHydrobiologia
Volume537
Issue number1-3
DOIs
Publication statusPublished - Mar 2005
Externally publishedYes

Fingerprint

Biodiversity
temporal variation
spatial variation
strait
Copepoda
monsoon
species diversity
Chemical analysis
space and time
multivariate analysis
biogeography
sampling
diversity index
relative abundance
distribution
Multivariate Analysis
methodology
multidimensional scaling

Keywords

  • Community differences
  • Diversity
  • Monsoon
  • Tropical zooplankton

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography
  • Environmental Science(all)
  • Pollution
  • Water Science and Technology

Cite this

Spatial and temporal variations in calanoid copepod distribution in the Straits of Malacca. / Rezai, Hamid; Yusoff, Fatimah Md; Arshad, Aziz; Ross, Othman.

In: Hydrobiologia, Vol. 537, No. 1-3, 03.2005, p. 157-167.

Research output: Contribution to journalArticle

Rezai, Hamid ; Yusoff, Fatimah Md ; Arshad, Aziz ; Ross, Othman. / Spatial and temporal variations in calanoid copepod distribution in the Straits of Malacca. In: Hydrobiologia. 2005 ; Vol. 537, No. 1-3. pp. 157-167.
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