Report on the Diatoms and Dinoflagellates Distribution along the Algerian Coasts: Inter-Region Comparison

doi:10.5814/j.issn.1674-764X.2019.04.010

Abstract

Abstract:

The phytoplankton group’s composition is an excellent indicator of the state of coastal waters. The aim of this study is to explore spatial variability of phytoplankton in shallow coastal areas from different regions (East, Center and West) of the Algerian coast. The quantitative and qualitative study of the phytoplankton population was conducted on samples taken during the 2012-2013 period by the research vessel GRINE BELKACEM. The qualitative results show a significant diversity of diatoms and dinoflagellates, which rank first and second in the total flora (Fr > 50%). This finding is also confirmed quantitatively by the abundance values in both 2013 and 2012 samples which largely exceeds the average value in most other areas of the western region (56%) and slightly exceeding 52% in all central areas which represent an equi-distribution between diatoms and dinoflagellates. The Dinoflagellates contribute significantly to the quantitative richness in the eastern region (>60%). The minimum value of Dia/Dino index, recorded in the eastern region confirms the dominance of the dinoflagellates especially in Skikda (0.31) (Skikda).However, our results reveal the presence, in smaller proportion, of other groups such as the cocolithophoridae and euglenophyceae.

Key words: Phytoplankton, composition, Dia/Dino index, Algerian coast

Zakia MOKRANE,Mustapha BOUDJENAH,Yasmina BELKACEM,EL Hadi MORSLI,Ahmed INAL,Fahima BOUARAB. Report on the Diatoms and Dinoflagellates Distribution along the Algerian Coasts: Inter-Region Comparison[J]. Journal of Resources and Ecology, 2019, 10(4): 432-440.

Figures/Tables 8

References 3

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Zones	Wilaya	Longitude (N)	Latitude (E)
Eastern region	Annaba	37°1°21ʺ	8°2°0ʺ
	Skikda	37°1°18ʺ	7°14°7ʺ
	Jijel	36°54°45ʺ	6°3°11ʺ
Central region	Boumerdes	36°50°15ʺ	3°25°30ʺ
Central region	Tipaza	36°49°42ʺ	2°45°12ʺ
Western region	Mostaganem	36°3°7ʺ	-0°5°57ʺ
Western region	Ain-Temouchent	35°29°3ʺ	-1°14°26ʺ

Zones	Wilaya	Longitude (N)	Latitude (E)
Eastern region	Annaba	37°1°21ʺ	8°2°0ʺ
	Skikda	37°1°18ʺ	7°14°7ʺ
	Jijel	36°54°45ʺ	6°3°11ʺ
Central region	Boumerdes	36°50°15ʺ	3°25°30ʺ
Central region	Tipaza	36°49°42ʺ	2°45°12ʺ
Western region	Mostaganem	36°3°7ʺ	-0°5°57ʺ
Western region	Ain-Temouchent	35°29°3ʺ	-1°14°26ʺ

Dinoflagellates species			Diatoms species
Order	Family	Genus	Order	Family	Genus
Prorocentrales	Prorocentraceae	Mesoporos	Biddulphiales	Thalassiosiraceae	Skeletonema
		Prorocentrum			Thalassiosira
Dinophysiales	Dinophysiaceae	Dinophysis		Melosiraceae	Melosira
		Ornithocercus			Stephanopyxis
	Oxyphysaceae	Oxyphysis		Leptocylindraceae	Leptocylindrus
Gymnodiniales	Gymnodiniaceae	Ampbidinium		Coscinodiscaceae	Coscinodiscus
		Gymnodinium		Hemidiscaceae	Hemidiscus
		Karenia		Rhizosoleniaceae	Rhizosolenia
		Katodinium			Guinardia
		gyrodinium		Biddulphiaceae	Biddulphia
		Torodinium		Hemiaulaceae	Cerataulina
	Amphitholaceae	Achradina			Eucampia
Noctilucales	Kofoidiniaceae	Kofoidinium		Chaetocerotaceae	Chaetoceros
	Noctilucaceae	Noctiluca		Lithodesmiaceae	Bellerochea
Gonyaulacales	Ceratiaceae	Ceratium			Dtylum
	Goniodomataceae	Alexandrium	Bacillariales	Fragilariaceae	licmophora
		gonyaulax			Synedra
		Protoceratium		Rhaphoneidaceae	Rhaphoneis
	Oxytoxaceae	Oxytoxum		thalassionemataceae	Thalassionema
	Pyrocystaceae	Pyrocystis		Naviculaceae	Navicula
		Fragilidium		Pinnulariaceae	Pinnularia
		Pyrophacus			Haslea
Peridiniales	Heterocapsaceae	Heterocapsa			Pleurosigma
Peridiniales	Calciodinellaceae	Scrippsiella		Bacillariaceae	Bacillaria
		Diplopsalopsis			Cylindrotheca
		Diplopsalis			Pseudo-nitzschia
		Preperidinium
	Peridiniaceae	Peridinium
	Protoperidiniaceae	Protoperidinium
		Kryptoperidinium
Blastodiniales	Oodiniaceae	Oodinium
		Nitzschia
Surirellales	Surirellaceae	Surirella

Dinoflagellates species			Diatoms species
Order	Family	Genus	Order	Family	Genus
Prorocentrales	Prorocentraceae	Mesoporos	Biddulphiales	Thalassiosiraceae	Skeletonema
		Prorocentrum			Thalassiosira
Dinophysiales	Dinophysiaceae	Dinophysis		Melosiraceae	Melosira
		Ornithocercus			Stephanopyxis
	Oxyphysaceae	Oxyphysis		Leptocylindraceae	Leptocylindrus
Gymnodiniales	Gymnodiniaceae	Ampbidinium		Coscinodiscaceae	Coscinodiscus
		Gymnodinium		Hemidiscaceae	Hemidiscus
		Karenia		Rhizosoleniaceae	Rhizosolenia
		Katodinium			Guinardia
		gyrodinium		Biddulphiaceae	Biddulphia
		Torodinium		Hemiaulaceae	Cerataulina
	Amphitholaceae	Achradina			Eucampia
Noctilucales	Kofoidiniaceae	Kofoidinium		Chaetocerotaceae	Chaetoceros
	Noctilucaceae	Noctiluca		Lithodesmiaceae	Bellerochea
Gonyaulacales	Ceratiaceae	Ceratium			Dtylum
	Goniodomataceae	Alexandrium	Bacillariales	Fragilariaceae	licmophora
		gonyaulax			Synedra
		Protoceratium		Rhaphoneidaceae	Rhaphoneis
	Oxytoxaceae	Oxytoxum		thalassionemataceae	Thalassionema
	Pyrocystaceae	Pyrocystis		Naviculaceae	Navicula
		Fragilidium		Pinnulariaceae	Pinnularia
		Pyrophacus			Haslea
Peridiniales	Heterocapsaceae	Heterocapsa			Pleurosigma
Peridiniales	Calciodinellaceae	Scrippsiella		Bacillariaceae	Bacillaria
		Diplopsalopsis			Cylindrotheca
		Diplopsalis			Pseudo-nitzschia
		Preperidinium
	Peridiniaceae	Peridinium
	Protoperidiniaceae	Protoperidinium
		Kryptoperidinium
Blastodiniales	Oodiniaceae	Oodinium
		Nitzschia
Surirellales	Surirellaceae	Surirella