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Journal articles on the topic 'Phytoplankton community dynamics'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Lürling, Miquel. "Grazing resistance in phytoplankton." Hydrobiologia 848, no. 1 (2020): 237–49. http://dx.doi.org/10.1007/s10750-020-04370-3.

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AbstractPhytoplankton is confronted with a variable assemblage of zooplankton grazers that create a strong selection pressure for traits that reduce mortality. Phytoplankton is, however, also challenged to remain suspended and to acquire sufficient resources for growth. Consequently, phytoplanktic organisms have evolved a variety of strategies to survive in a variable environment. An overview is presented of the various phytoplankton defense strategies, and costs and benefits of phytoplankton defenses with a zooming in on grazer-induced colony formation. The trade-off between phytoplankton com

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2

Kim, Yong-Jae. "Dynamics of Phytoplankton Community in Youngsan River." ALGAE 18, no. 3 (2003): 207–15. http://dx.doi.org/10.4490/algae.2003.18.3.207.

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3

Park, Jong-Geun, and Jung-Joon Lee. "Community Dynamics of Phytoplankton in Lake Daecheong." ALGAE 20, no. 3 (2005): 197–205. http://dx.doi.org/10.4490/algae.2005.20.3.197.

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4

Mingming, Hu, Li Yanhui, Wang Yuchun, Zhou Huaidong, Liu Yongding, and Zhao Gaofeng. "Phytoplankton and bacterioplankton abundances and community dynamics in Lake Erhai." Water Science and Technology 68, no. 2 (2013): 348–56. http://dx.doi.org/10.2166/wst.2013.215.

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The composition and seasonal variation of the phytoplankton and bacterioplankton community were investigated, and SPSS and redundancy analysis (RDA) were used to explore the relationship between the phytoplankton and bacterioplankton community dynamics in the typical plateau Lake of Lake Erhai from July 2009 to April 2010. Obvious seasonal variation of phytoplankton was observed, and the abundance of phytoplankton ranged from 2.02 × 106 to 57.9 × 106 cells/L. The dominant species in autumn and summer was Microcystis sp., Psephonema aenigmaticum Skuja was dominant in winter, and Microcystis sp.

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Stockwell, Jason D., Jonathan P. Doubek, Rita Adrian, et al. "Storm impacts on phytoplankton community dynamics in lakes." Global Change Biology 26, no. 5 (2020): 2756–84. http://dx.doi.org/10.1111/gcb.15033.

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6

Fragoso, Glaucia M., Geir Johnsen, Matilde S. Chauton, Finlo Cottier, and Ingrid Ellingsen. "Phytoplankton community succession and dynamics using optical approaches." Continental Shelf Research 213 (January 2021): 104322. http://dx.doi.org/10.1016/j.csr.2020.104322.

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7

Mukimov, Muhammad Karim Adkhamovich, Mirabbos Mirzakarimovich Mirzakhalilov, and Muhammadrasul Sharopovich Nazarov. "Assessment Of Hydrochemical Analysis And Phytoplankton Community Of Different Ponds Of A Fish Farm." American Journal of Applied sciences 03, no. 05 (2021): 140–47. http://dx.doi.org/10.37547/tajas/volume03issue05-22.

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The article presents the results of the hydrochemical analysis and phytoplankton composition study of the "Namangan Balyk" fish farm’s ponds. The species composition, biomass, and seasonal dynamics of phytoplankton in these ponds were calculated and analyzed for the first time.

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Kraus, Cleber, Marie-Paule Bonnet, Ina de Souza Nogueira, et al. "Unraveling Flooding Dynamics and Nutrients’ Controls upon Phytoplankton Functional Dynamics in Amazonian Floodplain Lakes." Water 11, no. 1 (2019): 154. http://dx.doi.org/10.3390/w11010154.

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The processes in tropical floodplain lakes enable maintaining phytoplankton nutrient requirements over a hydrological year. The nutrients such as nitrogen, phosphorus and carbon compounds play an essential role in phytoplankton growth. However, the way that nutrients and phytoplankton interact and how this relationship varies seasonally in tropical freshwater ecosystems is not clear. In this study, we evaluate the relationship between phytoplankton–nutrients over the hydrological cycle in Amazonian floodplain lakes and verify if this relationship influences the biomass of cyanobacteria. We als

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Neverova, G. P., O. L. Zhdanova, and A. I. Abakumov. "Discrete-Time Model of Seasonal Plankton Bloom." Mathematical Biology and Bioinformatics 15, no. 2 (2020): 235–50. http://dx.doi.org/10.17537/2020.15.235.

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The most interesting results in modeling phytoplankton bloom were obtained based on a modification of the classical system of phytoplankton and zooplankton interaction. The modifications using delayed equations, as well as piecewise continuous functions with a delayed response to intoxication processes, made it possible to obtain adequate phytoplankton dynamics like in nature. This work develops a dynamic model of phytoplankton-zooplankton community consisting of two equations with discrete time. We use recurrent equations, which allows to describe delay in response naturally. The proposed mod

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10

Yan, Miaomiao, Shengnan Chen, Tinglin Huang, et al. "Community Compositions of Phytoplankton and Eukaryotes during the Mixing Periods of a Drinking Water Reservoir: Dynamics and Interactions." International Journal of Environmental Research and Public Health 17, no. 4 (2020): 1128. http://dx.doi.org/10.3390/ijerph17041128.

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In deep drinking water reservoir ecosystems, the dynamics and interactions of community compositions of phytoplankton and eukaryotes during the mixing periods are still unclear. Here, morphological characteristics combined with high-throughput DNA sequencing (HTS) were used to investigate the variations of phytoplankton and the eukaryotic community in a large canyon-shaped, stratified reservoir located at the Heihe River in Shaanxi Province for three months. The results showed that Bacillariophyta and Chlorophyta were the dominant taxa of the phytoplankton community, accounting for more than 9

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Neverova, Galana Petrovna, O. L. Zhdanova, Ekaterina Alexandrovna Kolbina, and Aleksandr Ivanovich Abakumov. "A plankton community: a zooplankton effect in phytoplankton dynamics." Computer Research and Modeling 11, no. 4 (2019): 751–68. http://dx.doi.org/10.20537/2076-7633-2019-11-4-751-768.

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12

Jaworska, Bożena, and Bogusław Zdanowski. "Patterns of seasonal phytoplankton dynamics as the element of ecological successional changes proceeding in a lake (Lake Kortowskie, northern Poland)." Limnological Review 11, no. 3 (2011): 105–12. http://dx.doi.org/10.2478/v10194-011-0032-2.

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Patterns of seasonal phytoplankton dynamics as the element of ecological successional changes proceeding in a lake (Lake Kortowskie, northern Poland)The aim of the research was to determine the successional changes proceeding in the phytoplankton of a lake. The basis of the study was the analysis of long-term seasonal changes in the taxonomic structure and the estimation of the intensity of algal community development in phytoplankton of Lake Kortowskie. Seasonal changes in the phytoplankton taxonomic structure manifested themselves as a decreasing share of Bacillariophyceae in spring and autu

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13

Verma, Neeharika, Steven Lohrenz, Sumit Chakraborty, and Cédric G. Fichot. "Underway Hyperspectral Bio-Optical Assessments of Phytoplankton Size Classes in the River-Influenced Northern Gulf of Mexico." Remote Sensing 13, no. 17 (2021): 3346. http://dx.doi.org/10.3390/rs13173346.

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High inflows of freshwater from the Mississippi and Atchafalaya rivers into the northern Gulf of Mexico during spring contribute to strong physical and biogeochemical gradients which, in turn, influence phytoplankton community composition across the river plume–ocean mixing zone. Spectral features representative of bio-optical signatures of phytoplankton size classes (PSCs) were retrieved from underway, shipboard hyperspectral measurements of above-water remote sensing reflectance using the quasi-analytical algorithm (QAA_v6) and validated against in situ pigment data and spectrophotometric an

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14

Yu, Chen, Chao Li, Tao Wang, Min Zhang, and Jun Xu. "Combined Effects of Experimental Warming and Eutrophication on Phytoplankton Dynamics and Nitrogen Uptake." Water 10, no. 8 (2018): 1057. http://dx.doi.org/10.3390/w10081057.

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Shallow lakes are highly vulnerable to damages caused by human activities and warming trends. To assess whether and how community structures of phytoplankton and nitrogen uptake respond to the combined effects of elevated temperature and eutrophication, we performed a mesocosm experiment in field by combining a 4.5 °C increase in temperature and the addition of phosphorus. Our results demonstrated that the combination of rising temperatures and phosphorus loading stimulated the maximum biomass built up by the phytoplankton community, and changed the phytoplankton community by significantly inc

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15

Li, Y., G. Gal, V. Makler-Pick, A. M. Waite, L. C. Bruce, and M. R. Hipsey. "Examination of the role of the microbial loop in regulating lake nutrient stoichiometry and phytoplankton dynamics." Biogeosciences 11, no. 11 (2014): 2939–60. http://dx.doi.org/10.5194/bg-11-2939-2014.

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Abstract. The recycling of organic material through bacteria and microzooplankton to higher trophic levels, known as the "microbial loop", is an important process in aquatic ecosystems. Here the significance of the microbial loop in influencing nutrient supply to phytoplankton has been investigated in Lake Kinneret (Israel) using a coupled hydrodynamic–ecosystem model. The model was designed to simulate the dynamic cycling of carbon, nitrogen and phosphorus through bacteria, phytoplankton and zooplankton functional groups, with each pool having unique C : N : P dynamics. Three microbial loop s

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16

Widdicombe, C. E., D. Eloire, D. Harbour, R. P. Harris, and P. J. Somerfield. "Long-term phytoplankton community dynamics in the Western English Channel." Journal of Plankton Research 32, no. 5 (2010): 643–55. http://dx.doi.org/10.1093/plankt/fbp127.

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17

Fahnenstiel, Gary L., and Donald Scavia. "Dynamics of Lake Michigan Phytoplankton: Recent Changes in Surface and Deep Communities." Canadian Journal of Fisheries and Aquatic Sciences 44, no. 3 (1987): 509–14. http://dx.doi.org/10.1139/f87-063.

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Lake Michigan phytoplankton dynamics were studied from the end of spring isothermal mixing (May) through midstratification (July–August) in 1982–84. Phytoplankton composition shifted from a diatom-dominated community (75% of phytoplankton carbon) during May to a phytoflagellate-dominated community (71% of phytoplankton carbon) during July–August. This summer phytoflagellate dominance in the 1980s is distinctly different from the summer blue-green and green algae dominance in the 1970s. Foodweb interactions caused by a changing zooplankton composition and nutrient supply changes were two possib

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18

Ngoc Duyen, Huynh Thi, Phan Tuan Luom, Tran Thi Le Van, et al. "Variation in phytoplankton community in Ninh Thuan - Binh Thuan coastal waters between post el niño year and enso neutral year." TAP CHI SINH HOC 40, no. 1 (2018): 13–24. http://dx.doi.org/10.15625/0866-7160/v40n1.10859.

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Impacts of El Niño Southern Oscillation (ENSO) on the phytoplankton community have been studied in many different waters in the world. However, these effects on phytoplankton communities in coastal upwelling waters are still in need in various aspects such as specific responses of phytoplankton and its dynamics. Phytoplankton data of 15 stations in Ninh Thuan - Binh Thuan coastal area collected in July 2016 (post El Niño year) and July 2017 (ENSO neutral year) was analyzed and comparing using diversity indices, composition and density of the phytoplankton to measure influences of ENSO on the p

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19

Thibodeau, Geneviève, David A. Walsh, and Beatrix E. Beisner. "Rapid eco-evolutionary responses in perturbed phytoplankton communities." Proceedings of the Royal Society B: Biological Sciences 282, no. 1814 (2015): 20151215. http://dx.doi.org/10.1098/rspb.2015.1215.

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Biodiversity currently faces unprecedented threats owing to species extinctions. Ecologically, compensatory dynamics can ensure stable community biomass following perturbation. However, whether there is a contribution of genetic diversity to community responses is an outstanding question. To date, the contribution of evolutionary processes through genotype shifts has not been assessed in naturally co-occurring multi-species communities in the field. We examined the mechanisms contributing to the response of a lake phytoplankton community exposed to either a press or pulse acidification perturb

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20

Cao, Jing, Zhaosheng Chu, Yanliang Du, Zeying Hou, and Shengrui Wang. "Phytoplankton dynamics and their relationship with environmental variables of Lake Poyang." Hydrology Research 47, S1 (2016): 249–60. http://dx.doi.org/10.2166/nh.2016.224.

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Field investigations were conducted to identify environmental variables influencing phytoplankton dynamics in Lake Poyang. The results showed that diatoms predominated in the phytoplankton community. Concentrations of nutrients were high, and levels of phytoplankton biomass and chlorophyll a were low. During the low water level period (WLP), from January to May 2013, phytoplankton biomass was low. It increased from July 2013 and peaked in September 2013 during the high WLP. From October 2013 to January 2014, phytoplankton biomass decreased again. Highest values were generally measured in the m

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21

Velikova, Violeta, Snejana Moncheva, and Daniela Petrova. "Phytoplankton dynamics and Red Tides (1987-1997) in the Bulgarian Black Sea." Water Science and Technology 39, no. 8 (1999): 27–36. http://dx.doi.org/10.2166/wst.1999.0378.

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Time series of phytoplankton density, biomass and species composition in the Bulgarian Black Sea (specifically Varna Bay) are analysed. The main patterns of year-to-year fluctuations in the phytoplankton community controlled by natural and man-induced factors are discussed. Many indications lead to the conclusion that phytoplankton blooms have not become less frequent in comparison with the period of progressive eutrophication (1975-85), and there is a trend towards an increase in the number of blooming species involved. The community maintains the capacity to produce a lot of biomass. Areas o

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22

Li, Y., G. Gal, V. Makler-Pick, A. M. Waite, L. C. Bruce, and M. R. Hipsey. "A numerical analysis of the role of the microbial loop in regulating nutrient stoichiometry and phytoplankton dynamics in a eutrophic lake." Biogeosciences Discussions 10, no. 12 (2013): 19731–72. http://dx.doi.org/10.5194/bgd-10-19731-2013.

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Abstract. The recycling of organic material through bacteria and microzooplankton to higher trophic levels, known as the "microbial loop", is an important process in aquatic ecosystems. Here the significance of the microbial loop in influencing nutrient supply to phytoplankton is investigated in Lake Kinneret (Israel) using a coupled hydrodynamic-ecosystem model. The model was designed to simulate the dynamic cycling of carbon, nitrogen and phosphorus through bacteria, phytoplankton and zooplankton functional groups, with each pool having unique C : N : P dynamics. Three microbial loop sub-mod

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23

Yoshimura, T., J. Nishioka, K. Suzuki, H. Hattori, H. Kiyosawa, and Y. W. Watanabe. "Impacts of elevated CO<sub>2</sub> on phytoplankton community composition and organic carbon dynamics in nutrient-depleted Okhotsk Sea surface waters." Biogeosciences Discussions 6, no. 2 (2009): 4143–63. http://dx.doi.org/10.5194/bgd-6-4143-2009.

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Abstract. Impacts of the increasing CO2 in seawater (i.e. ocean acidification) on phytoplankton physiology may have various and potentially adverse effects on phytoplankton dynamics and the carbon cycle. We conducted a CO2 manipulation experiment in the Sea of Okhotsk in summer 2006 to investigate the response of the phytoplankton assemblage and dynamics of organic carbon. During the 14-day incubation of nutrient-depleted surface water with a natural phytoplankton assemblage under 150, 280, 480, and 590 μatm pCO2, the relative abundance of fucoxanthin-containing phytoplankton such as diatoms a

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24

Sunardi, Sunardi, Rina Febriani, Budi Irawan, and Mutia Septi Saputri. "The Dynamic of Phytoplankton Community Structure in Face of Warming Climate in A Tropical Man-Made Lake." Biosaintifika: Journal of Biology & Biology Education 9, no. 1 (2017): 140. http://dx.doi.org/10.15294/biosaintifika.v9i1.7725.

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<p>In freshwater ecosystems, water temperature plays as an environmental factor that regulates its structure and function. A research on the impacts of changes in temperature to the dynamics of the Phytoplankton community structure has been done. Data from nineteen-year period (1995 to 2013) were collected from Cirata Reservoir as an example of artificial tropical lake in Indonesia. The research aimed to determine the changes of water temperature as the impact of climate warming on the dynamics of phytoplankton community structure. Different measures such as species richness, diversity i

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Cerino, Federica, Daniela Fornasaro, Martina Kralj, Michele Giani, and Marina Cabrini. "Phytoplankton temporal dynamics in the coastal waters of the north-eastern Adriatic Sea (Mediterranean Sea) from 2010 to 2017." Nature Conservation 34 (May 3, 2019): 343–72. http://dx.doi.org/10.3897/natureconservation.34.30720.

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Phytoplankton community structure was analysed from 2010 to 2017 at C1-LTER, the coastal Long-Term Ecological Research station located in the Gulf of Trieste, which is the northernmost part of the Mediterranean Sea. Phytoplankton abundance and relevant oceanographic parameters were measured monthly in order to describe the seasonal cycle and interannual variability of the main phytoplankton taxa (diatoms, dinoflagellates, coccolithophores and flagellates) and to analyse their relationship with environmental conditions. Overall, phytoplankton abundances showed a marked seasonal cycle characteri

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26

Bordoloh, Dhrubajyoti, and PP Baruah. "Phytoplankton diversity in Digboi oil refinery effluent receiving stream of Assam, India." Bangladesh Journal of Botany 44, no. 2 (2018): 163–75. http://dx.doi.org/10.3329/bjb.v44i2.38504.

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A comprehensive study was carried out to investigate phytoplankton community and water quality in the Digboi oil refinery effluent stream. Taxonomic composition, abundance, spatial distribution, temporal dynamics of phytoplankton were studied along with physicochemical properties of water based on monthly data collected from seven selected sampling stations during April, 2011 - March, 2012. Altogether 139 species (7 orders, 19 families, 67 genera) of phytoplankton were identified of which Bacillariophyceae was the dominant class with 45 species followed by Chlorophyceae 40, Cyanophyceae 34 and

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27

SILVA, ISE G., ARIADNE N. MOURA, and ENIO W. DANTAS. "Phytoplankton community of Reis lake in the Brazilian Amazon." Anais da Academia Brasileira de Ciências 85, no. 2 (2013): 649–63. http://dx.doi.org/10.1590/s0001-37652013000200012.

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Reis Lake is located in the municipality of Caracaraí, state of Roraima (Brazil) and is subject to fluctuations in water level. The aim of this study was to analyze the structure of the phytoplankton community on the nictemeral and seasonal scales and determined the influence of limnological variables. Sampling was performed in the rainy season (June/2006) and dry season (November/2006), considering two nictemeral cycles. The phytoplankton community was assessed with regard to composition and density, abiotic variables were analyzed simultaneously. The lake had low concentrations of oxygen, cl

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28

Lefebvre, Alain, Natacha Guiselin, Frederique Barbet, and Felipe L. Artigas. "Long-term hydrological and phytoplankton monitoring (1992–2007) of three potentially eutrophic systems in the eastern English Channel and the Southern Bight of the North Sea." ICES Journal of Marine Science 68, no. 10 (2011): 2029–43. http://dx.doi.org/10.1093/icesjms/fsr149.

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Abstract Lefebvre, A., Guiselin, N., Barbet, F., and Artigas, F. L. 2011. Long-term hydrological and phytoplankton monitoring (1992–2007) of three potentially eutrophic systems in the eastern English Channel and the Southern Bight of the North Sea. – ICES Journal of Marine Science, 68: 2029–2043. The spatial and main temporal variations in nutrient concentrations and phytoplankton abundance were investigated between 1992 and 2007 in the eastern English Channel and the Southern Bight of the North Sea, zones of consistent presence of Phaeocystis globosa and diatom blooms. Silicate and phosphate

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29

Arapov, Jasna, Mia Bužančić, Sanda Skejić, et al. "Phytoplankton Dynamics in the Middle Adriatic Estuary, with a Focus on the Potentially Toxic Genus Pseudo-nitzschia." Journal of Marine Science and Engineering 8, no. 8 (2020): 608. http://dx.doi.org/10.3390/jmse8080608.

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The Krka River estuary is a karstic, permanently stratified estuary due to the strong freshwater inflow. It is a special environment in which to study the phytoplankton community, especially because this area is an important aquaculture site. Among other potentially toxic phytoplankton species, the diatom genus Pseudo-nitzschia occurs frequently and is a potential source of domoic acid (DA), causing shellfish toxicity and human intoxication. The main objective was to examine the dynamics of the phytoplankton community and, in particular, the genus Pseudo-nitzschia in the upper part of the Krka

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30

Park, Jung-Won, Sam-Hwan Yu, Soon-Young Kim, Jong-Eun Lee, and Eul-Won Seo. "Dynamics of Phytoplankton Community by the Water Depth in Andong Reservoir." Journal of Life Science 18, no. 9 (2008): 1249–56. http://dx.doi.org/10.5352/jls.2008.18.9.1249.

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31

Ellison, CK, and RS Burton. "Application of bead array technology to community dynamics of marine phytoplankton." Marine Ecology Progress Series 288 (2005): 75–85. http://dx.doi.org/10.3354/meps288075.

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32

Cáceres, Carlos, Antonella Rivera, Sonia González, and Ricardo Anadón. "Phytoplankton community structure and dynamics in the North Atlantic subtropical gyre." Progress in Oceanography 151 (February 2017): 177–88. http://dx.doi.org/10.1016/j.pocean.2016.12.003.

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Taniuchi, Yukiko, Tsuyoshi Watanabe, Shigeho Kakehi, Tomoko Sakami, and Akira Kuwata. "Seasonal dynamics of the phytoplankton community in Sendai Bay, northern Japan." Journal of Oceanography 73, no. 1 (2015): 1–9. http://dx.doi.org/10.1007/s10872-015-0334-0.

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34

Moschonas, Grigorios, Richard J. Gowen, Ruth F. Paterson, et al. "Nitrogen dynamics and phytoplankton community structure: the role of organic nutrients." Biogeochemistry 134, no. 1-2 (2017): 125–45. http://dx.doi.org/10.1007/s10533-017-0351-8.

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Guo, C., J. Yu, T. Y. Ho, et al. "Dynamics of phytoplankton community structure in the South China Sea in response to the East Asian aerosol input." Biogeosciences Discussions 8, no. 4 (2011): 6637–80. http://dx.doi.org/10.5194/bgd-8-6637-2011.

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Abstract. Recent studies have regarded atmospheric deposition as an increasingly important source of nutrients to the ocean. The South China Sea (SCS), where aerosol loading is among the highest in the world, however, is poorly studied particularly on the in situ changes of phytoplankton community structures in response to atmospheric deposition. By conducting a series of microcosm bioassays at different hydrographical locations and simulating different aerosol event scales, we observed both positive and negative responses induced by the input of East Asia (EA) aerosol with high nitrogen (N) a

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Lira, Giulliari Alan da Silva Tavares de, Maria do Carmo Bittencourt-Oliveira, and Ariadne do Nascimento Moura. "Structure and dynamics of phytoplankton community in the Botafogo reservoir-Pernambuco-Brazil." Brazilian Archives of Biology and Technology 52, no. 2 (2009): 493–501. http://dx.doi.org/10.1590/s1516-89132009000200029.

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The aim of the present study was to investigate the structure and dynamics of the phytoplankton in the Botafogo reservoir-PE-Brazil. Phytoplankton assemblages were identified from current literature and density was estimated using an inverted microscope. Concurrently to the sampling of biotic variables, measurements of abiotic parameters, such as water temperature, dissolved oxygen and pH, were determined using field probes and transparency was determined with a Secchi disk. Total phosphorus and total nitrogen concentrations were determined in laboratory. A total of 24 taxa were identified. Ch

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Lofton, Mary, Ryan McClure, Shengyang Chen, John Little, and Cayelan Carey. "Whole-Ecosystem Experiments Reveal Varying Responses of Phytoplankton Functional Groups to Epilimnetic Mixing in a Eutrophic Reservoir." Water 11, no. 2 (2019): 222. http://dx.doi.org/10.3390/w11020222.

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Water column mixing can influence community composition of pelagic phytoplankton in lakes and reservoirs. Previous studies suggest that low mixing favors cyanobacteria, while increased mixing favors green algae and diatoms. However, this shift in community dominance is not consistently achieved when epilimnetic mixers are activated at the whole-ecosystem scale, possibly because phytoplankton community responses are mediated by mixing effects on other ecosystem processes. We conducted two epilimnetic mixing experiments in a small drinking water reservoir using a bubble-plume diffuser system. We

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38

Fileman, E. S., and R. J. G. Leakey. "Microzooplankton dynamics during the development of the spring bloom in the north-east Atlantic." Journal of the Marine Biological Association of the United Kingdom 85, no. 4 (2005): 741–53. http://dx.doi.org/10.1017/s0025315405011653.

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Microzooplankton community composition, abundance, biomass and grazing impact were assessed, along with measurements of ciliate growth and mortality, during the onset of the spring bloom in the north-east Atlantic. The study was undertaken as part of the UK Biogeochemical Ocean Flux Study during 1 May to 15 June 1990. The microzooplankton community was composed of protozoans and metazoan developmental stages with respective mixed-layer depth integrated biomass values ranging from 127 to 638 and 74 to 394 mg C m−2. High numbers of aloricate ciliates (up to 35,000 cells l−1) dominated the microz

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DONADEL, LETÍCIA, LUCIANA DE S. CARDOSO, and LEZILDA C. TORGAN. "Plankton community dynamics in a subtropical lagoonal system and related factors." Anais da Academia Brasileira de Ciências 88, no. 1 (2016): 249–67. http://dx.doi.org/10.1590/0001-3765201520150022.

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ABSTRACT Changes of the plankton community in a shallow, subtropical lagoonal system and its relation to environmental conditions were investigated during an annual cycle to provide information on its spatial and seasonal variation pattern. The study carried out at four sites (three in the Peixe lagoon and one in the Ruivo lagoon), which are located in the Lagoa do Peixe National Park, southern Brazil. The system has a temporary connection to the Atlantic Ocean by a narrow channel. The phytoplankton density was higher in the Peixe lagoon whereas the specific richness was higher in the Ruivo la

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Guo, C., J. Yu, T. Y. Ho, et al. "Dynamics of phytoplankton community structure in the South China Sea in response to the East Asian aerosol input." Biogeosciences 9, no. 4 (2012): 1519–36. http://dx.doi.org/10.5194/bg-9-1519-2012.

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Abstract. Recent studies have demonstrated atmospheric deposition as an important source of bioreactive compounds to the ocean. The South China Sea (SCS), where aerosol loading is among the highest in the world, however, is poorly studied, particularly on the in situ response of phytoplankton community structures to atmospheric deposition. By conducting a series of microcosm bioassays at different hydrographical locations and simulating different aerosol event scales, we observed both positive and negative responses to the input of East Asian (EA) aerosol with high nitrogen (N) and trace metal

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Giricheva, E. E. "The Influence of Trophic Interactions in the Plankton Community on Its Spatiotemporal Dynamics." Mathematical Biology and Bioinformatics 14, no. 2 (2019): 393–405. http://dx.doi.org/10.17537/2019.14.393.

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The present work considers a model of spatiotemporal dynamics for plankton community in a vertical column of water. Usually mesozooplankton (e.g. copepods) is considered as the main grazer in models of plankton systems. However, numerous studies have appeared recently that microzooplankton, not copepods, are the primary grazers in oceanic ecosystems. This work presents the model with microzooplankton and copepods as phytoplankton predators. Functional response for copepod feeding includes its preference for phytoplankton and microzooplankton. The effects of half saturation constants of zooplan

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Drira, Zaher, Asma Hamza, Malika Bel Hassen, Habib Ayadi, Abderrahmen Bouain, and Lotfi Aleya. "Coupling of phytoplankton community structure to nutrients, ciliates and copepods in the Gulf of Gabès (south Ionian Sea, Tunisia)." Journal of the Marine Biological Association of the United Kingdom 90, no. 6 (2009): 1203–15. http://dx.doi.org/10.1017/s0025315409990774.

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The summer spatial distribution of the phytoplankton community in the Gulf of Gabès (Tunisia, eastern Mediterranean Sea), together with environmental factors, were studied during a preliminary study conducted in July 2005 aboard the RV ‘Hannibal’. The phytoplankton community, which showed a decrease in concentration along a coastal–open sea gradient, was dominated by Dictyochophyceae (41%) followed by Dinophyceae (25%), Bacillariophyceae (16%), Cyanobacteriae (17%) and Euglenophyceae (1%). The phytoplankton found along the coast was dominated by opportunistic species (e.g. Dictyocha fibula) as

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Barth, A., RK Walter, I. Robbins, and A. Pasulka. "Seasonal and interannual variability of phytoplankton abundance and community composition on the Central Coast of California." Marine Ecology Progress Series 637 (March 5, 2020): 29–43. http://dx.doi.org/10.3354/meps13245.

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Variations in the abundance and composition of phytoplankton greatly impact ecosystem structure and function. Within the California Current System (CCS), phytoplankton community structure is tightly coupled to seasonal variability in wind-driven coastal upwelling, a process that drives changes in coastal water temperatures and nutrient concentrations. Based on approximately a decade (2008-2018) of weekly phytoplankton measurements, this study provides the first characterization of the seasonal and interannual variability of phytoplankton abundance and composition in San Luis Obispo (SLO) Bay,

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Carney, R. L., J. R. Seymour, D. Westhorpe, and S. M. Mitrovic. "Lotic bacterioplankton and phytoplankton community changes under dissolved organic-carbon amendment: evidence for competition for nutrients." Marine and Freshwater Research 67, no. 9 (2016): 1362. http://dx.doi.org/10.1071/mf15372.

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During periods of low river discharge, bacterial growth is typically limited by dissolved organic carbon (DOC) and is tightly regulated by phytoplankton production. However, import of allochthonous DOC into rivers by freshwater inflows may diminish bacterial reliance on phytoplankton-produced carbon, leading to competition for nitrogen (N) and phosphorus (P). To investigate phytoplankton–bacterial competition in response to allochthonous inputs, we conducted a mesocosm experiment, comparing microbial responses to the following two manipulation treatments: (1) addition of N and P, and (2) addit

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Crawfurd, Katharine J., Santiago Alvarez-Fernandez, Kristina D. A. Mojica, Ulf Riebesell, and Corina P. D. Brussaard. "Alterations in microbial community composition with increasing <i>f</i>CO<sub>2</sub>: a mesocosm study in the eastern Baltic Sea." Biogeosciences 14, no. 16 (2017): 3831–49. http://dx.doi.org/10.5194/bg-14-3831-2017.

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Abstract. Ocean acidification resulting from the uptake of anthropogenic carbon dioxide (CO2) by the ocean is considered a major threat to marine ecosystems. Here we examined the effects of ocean acidification on microbial community dynamics in the eastern Baltic Sea during the summer of 2012 when inorganic nitrogen and phosphorus were strongly depleted. Large-volume in situ mesocosms were employed to mimic present, future and far future CO2 scenarios. All six groups of phytoplankton enumerated by flow cytometry ( < 20 µm cell diameter) showed distinct trends in net growth and abundance wit

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Boopathi, Thangavelu, and Jang-Seu Ki. "Unresolved diversity and monthly dynamics of eukaryotic phytoplankton in a temperate freshwater reservoir explored by pyrosequencing." Marine and Freshwater Research 67, no. 11 (2016): 1680. http://dx.doi.org/10.1071/mf15136.

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Environmental monitoring of the succession of phytoplankton communities in freshwater ecosystems is critical in efficient water quality management. In the present study we analysed the monthly dynamics of eukaryotic phytoplankton diversity and community structure in a freshwater reservoir (Paldang Reservoir, South Korea) using small subunit (SSU) rRNA pyrosequencing. We analysed physicochemical and biological parameters of water samples collected at monthly intervals from March 2012 to February 2013. The occurrence of phytoplankton exhibited a monthly variation: low in September (13.2%) and Fe

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Kivva, Kirill K., Tatiana V. Polyakova, and Antonina V. Polyakova. "Influence of the phytoplankton community on the hydrochemical structure of the Caspian Sea." Issues of modern algology (Вопросы современной альгологии), no. 1(19) (2019): 23–34. http://dx.doi.org/10.33624/2311-0147-2019-1(19)-23-34.

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The hydrochemical structure of the Caspian Sea, which is formed and changed under the influence of the dynamics of water and the intensity of production and destruction processes, has been studied. The formation of the biogenic base and hydrochemical structure of the waters of the Caspian Sea is greatly influenced by the phytoplankton community. The dominant species of Pseudosolenia calcar-avis and Prorocentrum cordatum, which constitute 60–95% of the population and more than 80% of the total phytoplankton biomass, are mainly responsible for the redistribution of chemical components in the sea

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Segura, Angel M., Danilo Calliari, Carla Kruk, Daniel Conde, Sylvia Bonilla, and Hugo Fort. "Emergent neutrality drives phytoplankton species coexistence." Proceedings of the Royal Society B: Biological Sciences 278, no. 1716 (2011): 2355–61. http://dx.doi.org/10.1098/rspb.2010.2464.

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The mechanisms that drive species coexistence and community dynamics have long puzzled ecologists. Here, we explain species coexistence, size structure and diversity patterns in a phytoplankton community using a combination of four fundamental factors: organism traits, size-based constraints, hydrology and species competition. Using a ‘microscopic’ Lotka–Volterra competition (MLVC) model (i.e. with explicit recipes to compute its parameters), we provide a mechanistic explanation of species coexistence along a niche axis (i.e. organismic volume). We based our model on empirically measured quant

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Seo, Jeong-Gwan, Jae-Jeong Yu, Jae-Jeong Lee, Sang-Yong Yang, and Ik-Gyo Jeong. "Phytoplankton Community Dynamics and Evaluation of Trophic State in the Lake Unmoon." ALGAE 18, no. 2 (2003): 135–43. http://dx.doi.org/10.4490/algae.2003.18.2.135.

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Perera, Nishanthi, and Swarna Piyasiri. "Species composition and population dynamics of the phytoplankton community in Kotmale Reservoir." Journal of the National Science Foundation of Sri Lanka 26, no. 4 (1998): 293. http://dx.doi.org/10.4038/jnsfsr.v26i4.5012.

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