- Title
- Phytoplankton community diversity along a river-estuary continuum
- Creator
- Dalu, Tatenda
- Creator
- Froneman, P William
- Creator
- Richoux, Nicole B
- Subject
- To be catalogued
- Date Issued
- 2014
- Date
- 2014
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/457284
- Identifier
- vital:75622
- Identifier
- xlink:href="https://hdl.handle.net/10520/EJC156752"
- Description
- In this paper we examine the aspects of phytoplankton communities along a riverine-estuarine continuum in the Kowie system, Eastern Cape (South Africa). This study aims to relate the phytoplankton population community structure to physicochemical parameters and estimate the different chlorophyll-a concentrations for the Kowie system. Eight sampling sites along a 70 km reach of the Kowie system were sampled over a one-year period. One hundred and seventy-eight species belonging to 78 genera were recorded within the riverine-estuarine continuum. Diatoms were predominant, accounting for 81.9% of the total abundance. The estuary had 98 species (55 genera) recorded whereas the river had 141 species (67 genera). Using a two-way analysis of variance (ANOVA), species richness was found to differ significantly amongst seasons. The chl-a concentration along the estuarine-riverine continuum increased from spring to a high in summer (river mean = 7.9 mg m -3 and estuary mean = 3.3 mg m -3 ) before decreasing to a low in winter. Kruskal Wallis ANOVA showed significant differences among chl-a concentration with seasons and sites. Redundancy analysis identified five factors salinity, water depth, aerial cover, nitrates and ammonia that were significant (p is less than 0.05) in affecting phytoplankton variation. The relatively small study indicates the need for further monitoring to gain a better understanding of Kowie system phytoplankton.
- Format
- computer
- Format
- online resource
- Format
- application/pdf
- Format
- 1 online resource (10 pages)
- Format
- Publisher
- Sabinet
- Language
- English
- Relation
- Transactions of the Royal Society of South Africa
- Relation
- Dalu, T., Froneman, P.W. and Richoux, N.B., 2014. Phytoplankton community diversity along a river-estuary continuum. Transactions of the Royal Society of South Africa, 69(2), pp.107-116
- Relation
- Transactions of the Royal Society of South Africa volume 69 number 2 p. 107 2014 1573-8248
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Sabinet Terms and Conditions Statement (https://www.sabinet.co.za/terms-conditions)
- Rights
- Closed Access
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- Visitors: 46
- Downloads: 3
Collections
Froneman, Pierre William (Prof)
Richoux, Nicole Bertine (Assoc Prof)
SDG 15. Life On Land
RU Department of Zoology and Entomology
| Thumbnail | File | Description | Size | Format | |||
|---|---|---|---|---|---|---|---|
| View Details Download | SOURCE1 | Phytoplankton community diversity along a river-estuary continuum.pdf | 641 KB | Adobe Acrobat PDF | View Details Download |