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Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy

Yıl 2009, Cilt: 9 Sayı: 2, - , 01.04.2009

Öz

The aim of this study was to describe the effect of environmental factors on the variation in population structure of phytoplankton in a hypertrophic reservoir and to analyse the size variability of dominant species, and finally to try to find a linkage between environmental factors and phytoplankton size structure. Species composition and dynamics of phytoplankton were typical of highly trophic conditions and were frequently characterized by the dominance of cyanobacteria, Microcystis, Anabaena, Aphanizomenon. Some environmental parameters play an important role in determining the phytoplankton community succession and their size structure, favoring or limiting the growth of the different groups of the phytoplankton. The results indicate that, overall nutrient concentrations in Bidighinzu Lake were not limiting the phytoplankton growth in general. On the contrary, concentrations of nutrient were always above the required levels for phytoplankton growth. The results show that phytoplankton community succession and their seasonal variability of size structure (consequently cell surface area, cell volume and surface area to volume ratio) were mostly influenced by the temperature and nutrients. However, these affecting factors (especially nutrients) on seasonal variability of size structure of common species in Lake Bidighinzu showed difference among the species.

Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy

Yıl 2009, Cilt: 9 Sayı: 2, - , 01.04.2009

Öz

The aim of this study was to describe the effect of environmental factors on the variation in population structure of phytoplankton in a hypertrophic reservoir and to analyse the size variability of dominant species, and finally to try to find a linkage between environmental factors and phytoplankton size structure. Species composition and dynamics of phytoplankton were typical of highly trophic conditions and were frequently characterized by the dominance of cyanobacteria, Microcystis, Anabaena, Aphanizomenon. Some environmental parameters play an important role in determining the phytoplankton community succession and their size structure, favoring or limiting the growth of the different groups of the phytoplankton. The results indicate that, overall nutrient concentrations in Bidighinzu Lake were not limiting the phytoplankton growth in general. On the contrary, concentrations of nutrient were always above the required levels for phytoplankton growth. The results show that phytoplankton community succession and their seasonal variability of size structure (consequently cell surface area, cell volume and surface area to volume ratio) were mostly influenced by the temperature and nutrients. However, these affecting factors (especially nutrients) on seasonal variability of size structure of common species in Lake Bidighinzu showed difference among the species.

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Ayrıntılar

Birincil Dil Türkçe
Bölüm Makaleler
Yazarlar

Yelda Aktan Bu kişi benim

Antonella Luglie Bu kişi benim

Nicola Sechi Bu kişi benim

Yayımlanma Tarihi 1 Nisan 2009
Yayımlandığı Sayı Yıl 2009 Cilt: 9 Sayı: 2

Kaynak Göster

APA Aktan, Y., Luglie, A., & Sechi, N. (2009). Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy. Turkish Journal of Fisheries and Aquatic Sciences, 9(2).
AMA Aktan Y, Luglie A, Sechi N. Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy. Turkish Journal of Fisheries and Aquatic Sciences. Nisan 2009;9(2).
Chicago Aktan, Yelda, Antonella Luglie, ve Nicola Sechi. “Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy”. Turkish Journal of Fisheries and Aquatic Sciences 9, sy. 2 (Nisan 2009).
EndNote Aktan Y, Luglie A, Sechi N (01 Nisan 2009) Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy. Turkish Journal of Fisheries and Aquatic Sciences 9 2
IEEE Y. Aktan, A. Luglie, ve N. Sechi, “Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy”, Turkish Journal of Fisheries and Aquatic Sciences, c. 9, sy. 2, 2009.
ISNAD Aktan, Yelda vd. “Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy”. Turkish Journal of Fisheries and Aquatic Sciences 9/2 (Nisan 2009).
JAMA Aktan Y, Luglie A, Sechi N. Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy. Turkish Journal of Fisheries and Aquatic Sciences. 2009;9.
MLA Aktan, Yelda vd. “Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy”. Turkish Journal of Fisheries and Aquatic Sciences, c. 9, sy. 2, 2009.
Vancouver Aktan Y, Luglie A, Sechi N. Morphological Plasticity of Dominant Species in Response to Nutrients Dynamics in Bidighinzu Reservoir of Sardinia, Italy. Turkish Journal of Fisheries and Aquatic Sciences. 2009;9(2).