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  • Ankistrodesmus falcatus  (2)
  • Anostraca  (2)
  • Springer  (4)
  • American Association for the Advancement of Science (AAAS)
  • De Gruyter
  • 1990-1994  (4)
Collection
Keywords
Publisher
  • Springer  (4)
  • American Association for the Advancement of Science (AAAS)
  • De Gruyter
Years
  • 1990-1994  (4)
Year
  • 1
    Electronic Resource
    Electronic Resource
    A laboratory-scale system for mass culture of freshwater microalgae in polyethylene bags (1994)
    Springer
    Journal of applied phycology 6 (1994), S. 423-425 
    Details
    ISSN: 1573-5176
    Keywords: Ankistrodesmus falcatus ; Scenedesmus incrassatulus ; Chlorophyceae ; mass production ; microalgae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A laboratory-scale system for mass culture of microalgae in 8-, 20- and 40-L polyethylene bags, was designed. Bags are 16.8 cm diameter and 52 cm (8-L bags), 112 cm (20-L) or 224 cm (40-L) length. The system was tested successfully with two freshwater microalgae,Ankistrodesmus falcatus andScenedesmus incrassatulus, cultured in Bold's Basal medium (prepared with either deionized or tap water). The procedure described is simple, reliable and practical, and enables a very cost-effective production of freshwater microalgae to satisfy any laboratory requirements, and when quantities demanded for special applications can not be met by the standard laboratory culture procedures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182159
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  • 2
    Electronic Resource
    Electronic Resource
    Distribution of species of Anostraca, Notostraca, Spinicaudata, and Laevicaudata in Mexico (1991)
    Springer
    Hydrobiologia 212 (1991), S. 209-219 
    Details
    ISSN: 1573-5117
    Keywords: Anostraca ; Notostraca ; Spinicaudata ; Laevicaudata ; Branchiopoda ; Mexico ; distribution ; conchostracan
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We inventorize the known distribution of the species of Anostraca, Notostraca, Spinicaudata, and Laevicaudata present in Mexico. Determinations of the species and their distribution involved: 1) Examination of Mexican collections of phyllopods, 2) Extensive sampling in 17 states, and 3) Study of laboratory cultures. The number of phyllopod species known to occur in Mexico is 27: 14 of Anostraca, including three undescribed species, 1 of Notostraca, 10 of Spinicaudata, and 2 of Laevicaudata. These results also include 44 new state records. The records of Branchinecta packardi are the first for Mexico. Some species have extensive distributions, not limited to Mexico: Streptocephalus mackini, S. texanus, Thamnocephalus platyurus, Triops longicaudatus and Leptestheria compleximanus. The species known only from Mexico are Streptocephalus kargesi, S. moorei, Paralimnetis mapimi, two undescribed species of Branchinecta, and an undescribed species of Streptocephalus. The largest number of species found to occur in the same pond at one time was eight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00026003
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  • 3
    Electronic Resource
    Electronic Resource
    Branchinecta belki n. sp. (Branchiopoda: Anostraca), a new fairy shrimp from Mexico, hybridizing withB. packardi Pearse under laboratory conditions (1992)
    Springer
    Hydrobiologia 239 (1992), S. 151-162 
    Details
    ISSN: 1573-5117
    Keywords: Branchinecta ; Branchiopoda ; Anostraca ; Mexico ; hybridization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A new fairy shrimp,Branchinecta belki n.sp., endemic to the south of Coahuila state is described and figured. A total of nine species of phyllopods, including the new species, occur in ponds in the type area. The laboratory hybridization ofB. belki andB. packardi through ‘no-choice’ mating tests in reciprocal crosses is discussed. A mixture of characteristics of parental species is present in male F1 and F2 hybrids. This may provide a biological tool, or ‘search image’ (sensu Wiman, 1979a), for detecting male hybrids, should such exist, between theBranchinecta species of this study in nature. In addition to the reported interspecific hybridizations inStreptocephalus (Wiman, 1979a & 1979b) and inArtemia (Bowenet al., 1985) under laboratory conditions, the new evidence inBranchinecta suggests that absence of efficient premating mechanisms may be common in Anostraca.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00007672
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of food type and concentration on the survival, longevity, and reproduction of Daphnia magna (1994)
    Springer
    Hydrobiologia 287 (1994), S. 207-214 
    Details
    ISSN: 1573-5117
    Keywords: Daphnia magna ; Ankistrodesmus falcatus ; Scenedesmus incrassatulus ; Cladocera ; reproduction ; culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The freshwater microalgae Ankistrodesmus falcatus and Scenedesmus incrassatulus, at three concentrations (6, 12 and 18 mg l−1 t, dry weight), were tested as diets for Daphnia magna cultured in reconstituted hard water, at 19 ± 1 °C. Effects on survival, and reproductive characteristics were evaluated during a complete life-cycle. Test animals fed with the highest food concentration had the lowest survival, longevity, number of clutches, and average inter-brood times, but the total offspring was similar to that obtained with the lowest food concentration, for the same species of alga. Average longevity ranged from 40 to 85 days, with a minimum of 24 and a maximum of 119 days. The average inter-brood time ranged from 4.2 to 5.8 days, the highest values being observed at the lowest food concentration. The average total offspring was maximum for the intermediate concentrations of both algae. The maximum number of clutches ranged from 9 to 23, with the lowest values being observed at the highest food concentration. Even though both microalgae had similar effects on survival and reproduction, and the greatest differences observed were related to food concentration, it seems that S. incrassalulus is a comparatively better food for D. magna. The most suitable food level should be determined prior to carrying out chronic bioassays, and it is also an important factor in cultures for obtaining neonates for toxicological tests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00010735
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