Checklist of the Marine Macroalgae of Algerian West Coast (Ain Témouchent site) Текст научной статьи по специальности «Биологические науки»

Ukrainian Journal of Ecology

Ukrainian Journal of Ecology, 2021,11(3), 22-25, doi: 10.15421/2021_1 37

ORIGINAL ARTICLE

Checklist of the Marine Macroalgae of Algerian West Coast

(Ain Témouchent site)

S. Hellal1, F. Bennabi1, A. Baaloudj2, A. Kerfouf1

1 Université Djillali Liabes, Laboratoire d'écodéveloppement des espaces, Sidi Bel Abbès, 22000, Algérie. 2Université 8 Mai 1945, Laboratoire de Biologie Eau et Environnement (LBEE), Guelma, 24000, Algérie. Corresponding author E-mail: [email protected], ahmed. kerfouf@univ-sba. d

Received: 03.04.2021. Accepted: 27.05.2021.

Macroalgae are very abundant organisms in the Algerian coastal zone and not well-known on the west coast of Algeria. The research aimed to identify marine macroalgae in Ain Témouchent littoral (northwest Algeria). A checklist of macroalgae, based on new collections, is given. Using present-day taxonomy, sampling species of macroalgae have been identified to date. The results showed that 32 marine macroalgae were found and identified. They are divided into 3 taxa: Chlorophyta (4 orders, 5 families, 7 genera, 8 species), Ochrophyta (4 orders, 4 families, 6 genera, 8 species) and Rhodophyta (9 orders, 11 families, 13 genera, and 16 species). Some species are remarkable for their endemism and their character as indicators of disturbance of the marine environment, and others of its good quality, excellent protection, and preservation. We annotated the presence of the Cystoseira stricta, which is reliable indicator of a healthy marine environment. We concluded that the invasive species are rarely present in this area.

Keywords: Macroalgae, checklist, marine environment, invasive species, Ain Temouchent, Algerian coastal zone.

Introduction

The macroalgae are essential elements in the food chain of marine and coastal ecosystems. Generally, the aquatic macroalgae are not well-known on the west coast of Algeria (Traiche etnd al., 2018). Most of the inventories conducted in the benthic flora of the continental shelf of the west coast of Algeria have not been updated (Bentallah and Kerfouf, 2013; Borsali et al., 2020). The absence of synthesis work led us to consider the census and update the checklist of marine macroalgae presented in Ain Temouchent littoral on the west coast of Algeria (Ballesteros et al., 2007).

Materials and methods

Three stations (Bouzedjar, Terga, and Beni Saf) 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. The geographical location of the studied area.

These coastal zones concentrate numerous resources, and they are exposed to the pollutions and other deteriorations resulting from the development of multiple socio-economic activities: urbanization, desalination unit, touristic complex (Remili & Kerfouf, 2013, Kies & Kerfouf, 2014). Marine hydrology of this study area is characterized by turbulent circulation along the coast, which supports the dispersion of possible sources of pollution and enriched the entire chain food surface (Millot, 1989; Ghodbani & Bougherira, 2019; Kies et al., 2020). The marine algae were isolated, and each of its individuals was identified according to several determination keys, such as Boudouresque & Seridi (1989), Birje et al. (1996), Cabioc'h et al. (2006), Fischer et al. (2007), Ramdani et al. (2015), and AlgaeBase (Global Algal Database of Taxonomic, Nomenclatural and Distributional Information).

Results and discussion

The sampling campaign made it possible to inventory macroalgae of Ain Témouchent littoral (western Algerian coast). Thirty-two species were harvested. They are divided into three taxa: Chlorophyta, Ochrophyta, and Rhodophyta:

1. Chlorophyta (4 order / 5 famileis / 7 genera / 8 species),

1.1. Class: Ulvophyceae

Order: Ulvales Family: Ulvaceae Genus: Ulvaria

Species: Ulvaria obscura (Gayral ex Bliding, 1969). Genus: Ulva

Species: Ulva lactuca (Linnaeus.C. 1753). Genus: Ulva

Species: Ulva rigida (C. Agardh, 1823). Genus: Enteromorpha

Species: Enteromorpha intestinalis (Linnaeus) Nees 1820.

Order: Bryopsidales Family: Codiaceae Genus: Codium

Species: Codium decorticatum (M. A. Howe, 1911) Order: Cladophorales Family: Cladophoraceae Genus: Cladophora

Species: Cladophora laetevirens (Dillwyn Kûtzing, 1843). Family: Caulerpaceae Genus: Caulerpa

Species: Caulerpa racemosa (Forsskal) J.Agardh 1873. Order: Ulotrichales Family: Ulotrichaceae

Genus: Spongomorpha

Species: Spongomorpha aeruginosa (Linnaeus) Hoek 1963.

2. Ochrophyta (4 order/ 4 family / 6 genus / 8 species) 2.1. Class: Phaeophyceae Order: Sphacelariales

Family : Stypocaulaceae Genus: Halopteris

Species: Halopteris scoparia (Linnaeus) Sauvageau, 1904. Species: Halopteris filicina ( Grateloup) Kutzing 1843.

Order: Dictyotales

Family: Dictyotaceae Genus: Dictyota

Species: Dictyota dichotoma (Hudson) J.V.Lamouroux 1809. Genus: Padina

Species: Padina pavonica (Linnaeus) Thivy 1960. Order: Fucales

Family: Sargassaceae Genus: Cytoseira

Species: Cytoseira compressa (Esper) Gerloff, Nizamuddin 1975. Species : Cytoseira stricta (Carl Von Linné, 1758). Genus: Sargassum

Species: Sargassum muticum (Yendo) Fensholt 1955.

Order: Ectocarpales

Family: Scytosiphonaceae Genus: Colpomenia

Species: Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier 1851.

3. Rhodophyta (9 order / 11 family / 13 genus /16 species)

3.1. Class: Florideophyceae Order: Ceramiales

Family: Rhodomelaceae Genus: Halopitys

Species: Halopttys incurvus (Hudson) Batters 1902. Genus: Osmundea

Species: Osmundea osmunda (K.W.Nam & Maggs, 1994). Species : Osmundeapinnatifida (Hudson) Stackhouse 1809. !!

Order: Ahnfeltiales Family: Ahnfeltiaceae

Genus: Ahnfeltia

Species: Ahnfettiapicata (Hudson) E.M.Fries 1836. Order: Gigartinales Family: Gigartinaceae

Genus: Chondracanthus

Species: Chondracanthus acicularis (Roth) Fredericq 1993 Family: Phyllophoraceae

Genus: Phyllophora

Species: Phyllophora crispa (Hudson) P.S Dixon 1964. Family: Cystocloniaceae Genus: Hypnea

Species: Hypnea spinella (C.Agardh) 1847.

Species: Hypnea muscfformis (Wulfen) J.V. Lamouroux 1813.

Order: Corallinales Family: Corallinaceae

Genus: Corallina

Species: Coraina elongata (Ellis & Solander, 1786). Species: Coralina granffera (J.Ellis & Solander, 1786). Order: Peyssonneliales Family: Peyssonneliaceae

Genus: Peyssonnelia

Species: Peyssonneiia squamaria (S.G.Gmelin) Decaisne ex J.Agardh 1842.

Order: Gélidiales Family: Pterocladiaceae

Genus: Pterocladia

Species: Pterocladia capillacea (S.G.Gemelin) Bornet 1876. Order: Bonnemaisoniales Family: Bonnemaisoniaceae

Genus: Asparagopsis

Species: Asparagopsis armata (Harvey, 1855). Genus: Falkenbergia Species: Falkenbergia rufolansa (Harvey) F.Schmitz 1897. Order: Rhodymeniales Family: Faucheaceae

Genus: Gloiocladia

Species: Gloiocladia repens (C.Agardh) N.Sanchez &Rodriguez-Prieto 2007. Order: Plocamiales

Family: Plocamiaceae Genus: Plocamium

Species: Plocamium cartilagineum (linnaeus) P.S Dixon 1967.

Discussion and Conclusion

We found that the variation in the average recovery rate of species over the four seasons does not obey a specific rule, as it is still influenced by several biotic and abiotic factors, which was also reported by Rodriguez-Prieto & Polo (1996). We suggested that the presence of a Pheophycea at all stations could indicate the good environmental condition with presence of Cystoseria stricta (Ramdani et al., 2020), and Caulerpa racemosa, which is not widely represented in this area (Boudouresque et al., 2002; Bachir et al., 2010). The augmentation of the pollution flows bonded to the urban development of the last years and the growing economic activities, will lead to time disturbances on the phytobenthic community in quantitative and qualitative domains, which was mentioned by Bachir (2012). We believed that our study should be continued over several annual cycles to understand the evolution of intertidal macroalgae better.

References

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Citation:

Hellal, S., Bennabi, F., Baaloudj, A., Kerfouf, A. (2021). Checklist of the Marine Macroalgae of Algerian West Coast (Ain Temouchent site). Ukrainian

Journal of Ecology. 11 (3), 22-25. I This work is licensed under a Creative Commons Attribution 4.0. License

Ulvaria obscura

Ulva rigida

Codium decorticatum

Enteromorpha intestinalis

Cladophora laetevirens

Spongomorpha aeruginosa

Ulva lactuca

Caulerpa racemosa

Photo board l

(Chlorophyta) (© Hellal, 2021)

JÉ

Halopteris scoparia

Halopteris Filicina

Dictyota dichotoma

Cytoseira compressa

Cystoseira stricta

Padina pavonica

Sargassum muticum

b *

Colpomenia sinuosa

Photo board l

(Ochrophyta) (© Hellal, 2021)

Halopitys incurvus

Hypnea musciformis

Phyllophora crispa

Ahnfeltia plicata

T

Peyssonnelia squamaria

Coralina elongata

Osmundea osmunda

Wfr

Corallina granifera

Pterocladia capillacea

Chondracanthus acicularis

Osmundea pinnatifida

Asparagopsis armata

Falkenbergia rufolansa

Gloiocladia repens

Hypnea spinella Plocamium cartilagineum

Photo board 3

(Rhodophyta) (© Hellal, 2021)