Effects of Microcystis aeruginosa on interference competition between Daphnia pulex and Keratella cochlearis

Sartonov, Alison

doi:10.1007/978-94-011-0021-2_13

Cited by 5 publications

(3 citation statements)

References 53 publications

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“…Some can feed themselves autotrophically or heterotrophically, depending on the characteristics of the environment. Generally, these are found in mesotrophic to eutrophic waters [17], an aspect that places the lake in the limit between both grades due to the high content of nutrients. Ceratium may compete well with other species of phytoplankton under stress conditions due to its ability to search for the best conditions for its nourishment and photosynthesis [18], and can be associated with levels of chlorofill under 15 µg L -1 [19].…”

Section: Discussionmentioning

confidence: 99%

Holistic Approach to Watershed Management and Freshwater Conservation and Rehabilitation: A Case Study

Villela¹,

Chávez²,

Inclán³

et al. 2017

MESE

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A Multidisciplinary methodology that describes for the watershed of Laguna de Tuxpan the climate, topography, geology, soil, vegetation and land use through GIS. The topography (maximum altitude of 1731 m). The bathymetry(capacity of 18.89 Mm 3 , an area of 4.1 Mm 2 and a maximum depth of 7.86 m). The physicochemical and environmental parameters, show the generation of 107.01 kg of nitrogen per year (22.93% by point sources and 77.07% by diffuse sources). Tomatal river produces 18.7 t of sediment on the regions of average sloping, this equates to a lost of 7.45 t ha-1 on average throughout the basin. The water quality is within the maximum permissible limits for the development of aquatic life. The lake is classified as warm water body, shallow and tropical, with a holomíctic blend, or a water body mesotrophic-eutrophic, through plankton community. The pollution and toxicity by Vibrio fischeri, Daphnia magna, Selenastrumcapricornutum and Microcistinawas not present in the lake. The presence of six types of phthalates, plus the incidence of herbicide atrazine in the lake, point out as source of pollution to the trash of the area and agricultural activity. There are contamination by the presence of fecal coliform and total suspended solids of human and natural origin in the watershed. Is proposed a strategic plan of recuperation: 1) a program of promotion and adoption of conservation practices for hillside land, 2) construction of little dams within channels for the control sediment and runoff infiltration to help the recharge the aquifer, 3) the river corridor recovery through of reforestation, 4) management of less polluting agrochemicals, 5) relocation of human settlements of the river corridor, 6) rechanneling of the river,7) control of invasive species management of the corridor and the lake, and 8) management of the water urban residuals through social participation.

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Section: Discussionmentioning

confidence: 99%

Holistic Approach to Watershed Management and Freshwater Conservation and Rehabilitation: A Case Study

Villela¹,

Chávez²,

Inclán³

et al. 2017

MESE

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show abstract

“…The larger is the filtering zooplankter, the more efficient is its feeding. The food ration of the filtrating zooplankter is directly determined by the mean zooplankter weight (Carpenter & Kitchell, 1992;Sartonov, 1995). The species of the genus Daphnia (three species dominating in L. Peipsi, only one in L. Võrtsjärv) are powerful filtrators (Jürgens & Stolpe, 1995;Arnèr et al, 1998).…”

Section: Mean Zooplankter Weightmentioning

confidence: 99%

Mean zooplankter weight as a characteristic feature of an aquatic ecosystem

Haberman¹,

Künnap²

2002

Proceedings of the Estonian Academy of Sciences. Biology. Ecolo

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“…The grazing efficiency of filtrative zooplankton depends largely on the weight of grazers. The larger the grazers, the more efficient is grazing (Sartonov, 1995;Meijer et al, 1999). The food ration is in direct correlation with the mean zooplankter weight.…”

Section: Introductionmentioning

confidence: 99%

Seasonality of zoo- and phytoplankton in Lake Peipsi (Estonia) as a function of water temperature

Haberman¹,

Laugaste²

2005

Proceedings of the Estonian Academy of Sciences. Biology. Ecolo

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Effects of Microcystis aeruginosa on interference competition between Daphnia pulex and Keratella cochlearis

Cited by 5 publications

References 53 publications

Holistic Approach to Watershed Management and Freshwater Conservation and Rehabilitation: A Case Study

Holistic Approach to Watershed Management and Freshwater Conservation and Rehabilitation: A Case Study

Mean zooplankter weight as a characteristic feature of an aquatic ecosystem

Seasonality of zoo- and phytoplankton in Lake Peipsi (Estonia) as a function of water temperature

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