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Ukrainian Journal of Ecology
Ukrainian Journal ofEcology, 2021,11(3), 40-45, doi: 10.15421/2021_140
ORIGINAL ARTICLE
Checklist of Benthic Marine Macroalgae in Western Algeria
A. Mansouri1, A. Baaloudj2, F. Toumi1, M.A. Bouzidi1, A. Kerfouf1
1 Laboratory for Ecodevelopment of Spaces, Djillali Liabes University, Sidi Bel Abbes, 22000, Algeria 2Laboratory of Water and Environment Biology (LBEE), University May 8,1945, Guelma, 24000, Algeria Corresponding author Email: [email protected], [email protected]
Received: 02.04.2021. Accepted: 27.05.2021.
Generally, the benthic aquatic macroalgae is not well-known in the west coast of Algeria. In this study, a revised checklist of macroalgae of algerian west coast with an updated nomenclature and taxonomy has been update. Using currently accepted names, 22 species and infraspecific taxa of macroalgae have been identified , including Chlorophyta (3orders / 4 families / 6 genera / 8 species), Ochrophyta (4 orders/ 4 families / 5 genera / 5 species), and Rhodophyta (7 orders / 7 families / genera / 7 species). The algal diversity of the algerian west coast within the Arzew Gulf is less than that within the Gulf of Oran. The Rhodophyceae occupy the most important average coverage (47.80%), followed by Chlorophyceae (33.06%) and Pheophyceae (19.14%). Given that this is the first inclusive checklist of macroalgae of west coast, it could serve as a foundation for future phycological and biogeographical studies of the taxa in the country and the region.
| Keywords: Benthic macroalgae, Checklist, Chlorophyta, Ochrophyta, Rhodophyta, Algerian west coastal.
Introduction
Macrophytes are an indicator of the state of coastal ecosystems, and their study is, therefore, a significant issue. Generally, the benthic macroalgae is not well-known in the west coast of Algeria (Traiche and al., 2018, Bachir Bouidjra, 2012). The diversity of macroalgae in aquatic environments can help assess the health of ecosystems, and provide information on invasions of new species (Ramdani et al., 2020). The absence of synthesis work (Bouidjra, 2010; Borsali et al., 2020) led us to consider the census and update the checklist of marine benthic macroalgae presented in the west coast of Algeria). Other similar research has been carried out in other areas: Ould-Ahmed et al. (2013), Senties and Dreckmann (2013), Vietnam (Van Nguyen, 2013), Iran (Kokabi and Youcefzadi, 2015).
Materials and methods
Three stations (Mostaganem, Arzew, and Oran) are chosen according to the state of the coastal ecosystem, whether or not it is subject to anthropogenic pressure due to urban, industrial, and port activities (Fig. 1).
Fig. 1. Geographical location of the studied area.
Waters supply the Gulf of Oran, and the Gulf of Arzew originated from the Atlantic Ocean, and the circulation seems to be very turbulent along the African continent. These turbulences favor the dispersion of eventual pollution sources and permit such relative significant food chain development (Millot, 1989, Kies and al., 2020). The marine algae were isolated, and each of its individuals was identified according to several determination keys, such as Debray (1893), Boudouresque and Seridi (1989), Birje et al. (1996),
Boudouresque and Verlaque (2002), Cabioc'h et al. (2006), Fischer et al. (2007), Ballesteros et al. (2007), Bachir Bouidjra (2012), and AlgaeBase (global algal database of taxonomic, nomenclatural and distributional information).
Results and discussion
The sampling campaign made it possible to inventory macroalgae in Algerian west coast, and 22 species were harvested. They are divided into 3 taxa: Chlorophyta, Ochrophyta, and Rhodophyta:
1. Ochrophyta / Heterokontophyta (4 orders / 4 families / 5 genera / 5 species ) Class: Phaeophyceae (Fig. 2)
Viva lactuca Fig. 2. Chlorophyta (Mansouri, 2021).
Order: Ectocarpales Family: Scytosiphonaceae
Genus: Colpomenia
Species: Colpomenia sinuosa (Mertens ex Roth, Derbes & Solier) 1851
Order: Fucales Family: Sargassaceae Genus: Cystoseira
Species: Cytoseira stricta (Sauvageau) 1911 Order: Dictyotales Family: Dictyotaceae Genus: Dictyota
Species: Dictyota dcchotoma (Huds, J.V. Lamour) 1809 Genus: Padina
Species: Padnna pavonica (Linnaeus, Thivy) 1960 Order: Fucales Family: Sargassaceae Genus: Sargassum
Species: Sargassum muticum (Yendo, Fensholt) 1955
2. Chlorophyta (3 orders / 4 families / 6 genera / 8 species) Class: Ulvophyceae (Fig. 3)
Sargassum muticum: Fig. 3. Pheophyta (Mansouri, 2021).
Order: Bryopsidales Family: Caulerpaceae Genus: Caulerpa
Species: Caulerpa proiffera (Forssk., J.V.Lamour.) 1809 Family: Codiaceae Genus: Codium
Species: Codium Decorticatum (Woodward, M.Howe,) 1911 Genus: Caulerpa
Species: Caulerpa Racemosa (Forsskal, J. Agardh1873)
Order: Cladophorales Family: Boodleaceae Genus: Cladophoropsis
Species: Cladophoropsis membranacea (Hofman bang ex C.Agardh, Borgesen) 1905 Order: Ulvales Family: Ulvaceae
Genus: Enteromorpha
Species: Enteromorphia compressa (Linnaeus) 1753 Genus: Enteromorpha
Species: Enteromorpha intestinal (Linnaeus) 1753 Genus: Ulva
Species: UVva iactuca (Linnaeus) 1753 Genus: Ulva
Species : Ulva rigida (C. Agardh, 1823).
3. Rhodophyta (7 orders /7 families / 8 gen/ 7 species) Class : Florideophyceae (Fig. 4)
°eyssonnelia squamaria Fig. 4. Rhodophyta (Mansouri, 2021).
Order: Bonnemaisoniales Family: Bonnemaisoniaceae Genus: Asparagopsis
Species: Asparagopsis Armata (Harvey) 1855
Order: Corallinales Family: Corallinaceae Genus: Corallina
Species: Coraiiina Eiongata (Lenormand ex Kützing) 1858
Order: Gelidiales Family: Gelidiaceae Genus: Gelidium (J.V.Lamour) 1813 Genus: Gelidium
Species: Gelidium crinaie (Hare ex Turner, Gaillon) 1828
Order: Gracilariales Family: Gracilariaceae Genus: Gracilaria
Species: GracHs verrucosa (Robert Kaye Greville) 1830 Order: Gigartinales Family: Cystocloniaceae Genus: Hypnea
Species: Hypnea Musciformis(Wulfen, J.V.Lamouroux) 1813 Order: Ceramiales Family: Rhodomelaceae Genus: Laurencia
Species: Laurencia Papillosa (C. Agardh, Greville) 1830 Genus: Osmundea
Species: Osmundea pinnatifida (Hudson, Stackh) 1809
Order: Peyssonneliales
Family: Peyssonneliaceae
Genus: Peyssonnelia (Decaisne) 1839
Species: Peyssonnelia squamaria (S.G.Gmelin) Decaisne ex J.Agardh 1842.
Conclusion
The macroalgae of the Algerian coast remain little studied (Seridi, 2007; Ould-Ahmed et al., 2019). This study made it possible to inventory macroalgae and assess their diversity in the Algerian west coast coastal zone. The Chlorophyceae are represented particularly by Ulva lactuca with a recovery of 23.8%, and the Phaeophyceae are represented by Padina pavonica with a recovery rate of 17%. The other stations (Arzew and Oran), are characterized by an important general average recovery of Chlorophyceae respectively of 36.36% and 52.53%, with a notable recovery in the two stations, Ulva lactuca of (25.2%; 27 %) and for Hypenia musiformis (23.2 and 12.8%). It should be noted that the presence of a Pheophycea at these two stations (Oran and Mostaganem) indicating the good environmental condition: Cystoseria stricta with a rate of 17.8% and 12.8%. The species of Caulerpa racemosa, is widely represented in Oran and Arzew, while she is absent in Mostaganem (Ould-Ahmed and Meinesz, 2007; Bachir Bouiadjra et al., 2010). This study deserves to be continued over several annual cycles to better understand the evolution of intertidal macroalgae (Rodriguez-Prieto and Polo, 1996).
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Citation:
Mansouri, A., Baaloudj, A., Toumi, F., Bouzidi, M.A., Kerfouf, A. (2021). Checklist of Benthic Marine Macroalgae in Western Algeria. Ukrainian Journal
of Ecology, 11 (3),40-45. LMJ^^Hj This work is licensed under a Creative Commons Attribution 4.0. License
