Checklist of Mediterranean Free-living Dinoflagellates

Gómez, Fernando

doi:10.1515/bot.2003.021

Cited by 90 publications

(86 citation statements)

References 55 publications

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“…Finally, it is expected that species from the tropical Atlantic or from the warmer eastern Mediterranean basin will be able to expand their distribution into the northwest Mediterranean given an increase in average temperature, as has happened in recent years with several benthic invertebrates, macroalgae and fish species (Bianchi 2007). Among species either absent or very scarce in the western basin but common in the eastern basin, C. breve, C. egyptiacum and C. reflexum (Gómez 2003) could be given special attention, as they are potential candidates for a range expansion over the next several decades towards the northwest Mediterranean.…”

Section: Discussionmentioning

confidence: 99%

Phytoplankton biodiversity and NW Mediterranean Sea warming: changes in the dinoflagellate genus Ceratium in the 20th century

Tunin‐Ley¹,

Ibañez²,

Labat³

et al. 2009

Mar. Ecol. Prog. Ser.

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Our knowledge of the response of phytoplankton to climate change is restricted by the lack of phytoplankton long-term studies, especially those reporting species data. To circumvent this problem, we combined recent data from sampling at monitoring sites with old bibliographic data. The study was conducted on the genus Ceratium (planktonic dinoflagellates) in the NW Mediterranean, as numerous studies have been conducted in the area since the beginning of the 20th century. In addition, species of this highly diverse genus are known to be particularly sensitive to water temperature, and should thus be responsive to global warming. The temporal distribution of Ceratium species over the last century showed a progressive disappearance from the surface layer of likely stenothermic species, which may have moved to deeper layers in response to water warming, along with a decrease of species richness during the annual cycle. Seasonal and phenological aspects of Ceratium assemblages were also affected, as illustrated by the earlier timing in the minimum of richness. A change in the overall species assemblage also occurred from past to present in the Ligurian Sea, suggesting a warming in this area consistent with the development in surface water temperatures. Our results suggest that Ceratium species may constitute good biological indicators of warming in the NW Mediterranean Sea. In addition, the present study showed the importance of time-series data and the value of historical literature as the basis for ecological studies of long-term trends needed to substantiate our current understanding of the impact of global change on marine biodiversity. KEY WORDS: Ceratium · Phytoplankton · Climate change · Long-term series · Mediterranean · Biodiversity · Biological indicator · Historical ecology Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 375: [85][86][87][88][89][90][91][92][93][94][95][96][97][98][99] 2009 Gentili 1996, Johnson 1997, Marbà & Duarte 1997, although periodic patterns such as the 22 to 25 yr period of solar activity may overlay the monotonic trends and mask them (Duarte et al. 1999). Nutrient concentrations, particularly phosphate and nitrogen, have also increased from the early 1960s, probably due to increasing atmospheric and terrestrial inputs, while concentration in silicate has remained relatively constant (Béthoux et al. 2002).Using different approaches, a number of studies have provided information on the temporal distribution of Mediterranean Sea phytoplankton (Duarte et al. 1999, Goffart et al. 2002, Marty et al. 2002, Gómez & Gorsky 2003, Bosc et al. 2004, Ribera d'Alcalà et al. 2004. Some of these studies show changes in phytoplankton in the NW Mediterranean in relation to climatic forcing. Pigment analysis over a decade revealed a positive trend in phytoplankton biomass in response to the lengthening of the summer stratification, accompanied by an increase of small-sized phytoplankton (picoplankton and nanoflagellates) able to support re...

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Section: Discussionmentioning

confidence: 99%

Phytoplankton biodiversity and NW Mediterranean Sea warming: changes in the dinoflagellate genus Ceratium in the 20th century

Tunin‐Ley¹,

Ibañez²,

Labat³

et al. 2009

Mar. Ecol. Prog. Ser.

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“…that are > 20 µm of length, and 'small dinoflagellates' that have a conspicuous cingulum and are between 10 and 15 µm of length. The 3 former groups showed the characteristic features of these genera, common in NW Mediterranean waters (Gómez 2003), and their average cell volume was converted to carbon equivalents by using the carbon to volume relationship of pg C cell −1 = 0.76 × dino flagellate cellular volume 0.819 (Menden-Deuer & Lessard 2000). The smallest dinoflagellates were assumed to have a diameter of 5 µm and thus a biomass of 128 pg C cell −1 .…”

Section: Microplankton Top Predatorsmentioning

confidence: 99%

Temperature effects on the heterotrophic bacteria, heterotrophic nanoflagellates, and microbial top predators of the NW Mediterranean

Vázquez-Domı́nguez¹,

Vaqué²,

Gasol³

2012

Aquat. Microb. Ecol.

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“…The oligotrophic conditions result in a high diversity of dinoflagellates in the Mediterranean (Gómez, 2003), which contains nearly 43% of the world's known marine dinoflagellate species (Gómez, 2005). The phytoplankton community observed in this study can also be characterized with high diversity and low abundance as a characteristic of the Mediterranean.…”

Section: Discussionmentioning

confidence: 59%

Phytoplankton composition and abundance in the coastal waters of the Datça and Bozburun Peninsulas, south-eastern Aegean Sea (Turkey)

Taş

2013

Medit. Mar. Sci.

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A study on the abundance and composition of some groups of phytoplankton (diatoms, dinoflagellates and silicoflagellates) was carried out in the marine areas of the Datça and Bozburun Peninsulas between 2002 and 2004. Simultaneously, measured physical (salinity, temperature, secchi disc) and chemical parameters (nutrients, chlorophyll a, dissolved oxygen) were assessed together with phytoplankton data. Seawater and plankton net samples were taken from 63 stations during 6 sampling periods. A total of 132 taxa (genus, species and infraspecies level) belonging to 3 taxonomic classes were reported and a checklist of phytoplankton was prepared for this study area. Average nutrient values in surface water ranged from 0.01 to 1.19 µM for NO 3 +NO 2 -N, from 0.01 to 0.69 µM for PO 4 -P and from 0.50 to 5.31 µM for SiO 2 -Si and chl-a values were between 0.19 and 0.68 µg l . Dinoflagellates showed a more homogeneous distribution in a wider area than diatoms. Dinoflagellate abundance increased in areas close to the fish farms due to the amount of nutrients originating from the farms. Spatial changes in phytoplankton composition observed in this marine area revealed that phytoplankton is very sensitive to ecosystem changes. The study area could generally be defined as oligotrophic in terms of trophic status, depending on the nutrient and chl-a concentrations. Moreover, very low cell abundance and the high number of species observed in this area also reflect the typical characteristics of oligotrophic waters.

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Checklist of Mediterranean Free-living Dinoflagellates

Cited by 90 publications

References 55 publications

Phytoplankton biodiversity and NW Mediterranean Sea warming: changes in the dinoflagellate genus Ceratium in the 20th century

Phytoplankton biodiversity and NW Mediterranean Sea warming: changes in the dinoflagellate genus Ceratium in the 20th century

Temperature effects on the heterotrophic bacteria, heterotrophic nanoflagellates, and microbial top predators of the NW Mediterranean

Phytoplankton composition and abundance in the coastal waters of the Datça and Bozburun Peninsulas, south-eastern Aegean Sea (Turkey)

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