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Eichhornia azurea (Schwartz) Kunth is one of the most abundant species of aquatic macrophyte in the Upper Parana River floodplain, and ephemeropteran nymphs frequently inhabit this plant. The objective of this study was to analyze the distribution of ephemeropteran nymphs associated with three sections (apical, intermediate, and basal) of E. azurea in two floodplain lakes of the Upper Parana River as well as to establish the relation of this distribution to biotic and abiotic factors. The samplings of apical, intermediate and basal sections of E. azurea were carried out monthly from October 1997 to October 1998. Higher concentration of dissolved oxygen may contribute to greater density of nymphs on the apical plant segments near the water surface. Callibaetes willineri was the most abundant taxon, occuring on the apical and intermediate plant sections whereas Campsurus spp. were recorded on the basal and intermediate sections of the plant, near the sediment and, mainly during high water. Lower dissolvedoxygen concentrations near the lake bottom during the high water phase might suggest that during this phase the nymphs of Campsurus violaceus also migrate to E. azurea roots. It was found that changes in water level influenced the variation of the abundance of nymphs. Other genera, such as Tricorythodes and leptohyphes, were recorded during the high water phase, when river water enters the lakes and their shores are flooded.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
369--376
Opis fizyczny
Bibliogr. 21 poz., rys., wykr.
Twórcy
autor
- State University of Maringá, Postgraduate Course in Continental Aquatic Environments, Av. Colombo, 5790-Maringá PR. Cep. 87020-900, Brazil
autor
- State University of Maringá, Nupelia, Department of Biology, National Council of Scientific and Technological Development, 304692/2002-6, Brazil
autor
- Department of Ecology and Vertebrate Zoology, University of Łódź, Banacha 12/16, 90-237 Łódź, Poland
autor
- State University of Maringá, Postgraduate Course in Continental Aquatic Environments, Av. Colombo, 5790-Maringá PR. Cep. 87020-900, Brazil
Bibliografia
- [1] Berner L., Pescador M. L. 1988 – The mayflies of Florida, revised edition – University Press of Florida, Tallahassee/Gainesville, 416 pp.
- [2] Corkum L. D. 1989 – Habitat characterization of the morphologically similar mayfly larvae, Caenis and Tricorythodes (Ephemeroptera) – Hydrobiologia, 179: 103-109.
- [3] Da Silva E. R. 1997 – A alimentação de ninfas de Callibaetis guttatus Navás, 1915 (Ephemeroptera, Baetidae) em um brejo temporário do litoral do Estado do Rio de Janeiro [On the food of nymphs of Callibaetis guttatus Navás, 1915 (Ephemeroptera, Baetidae) in a temporary marsh at the litoral of Rio de Janeiro State, Brazil] – Rev. Bras. Ent. 41: 53-55.
- [4] Da Silva E. R. 1998 – Estratégias de adaptação das espécies de Ephemeroptera às condições ambientais da restinga de Maricá, estado do Rio de Janeiro [Adaptation strategies of the species of Ephemeroptera to environment conditions of Restinga de Maricá, Rio de Janeiro State] (In: Ecologia de Insetos Aquáticos [Ecology of Aquatic Insects] Eds. J. L. Nessimian, A. L. Carvalho) – Série Oecologia Brasiliensis, 5: 29-40.
- [5] Edmunds Jr. G. F., Jensen S. L., Berner L. 1976 – The mayflies of North and Central America – University of Minnesota Press, Minneapolis, 330 pp.
- [6] Froehlich C. G., Oliveira L. G. 1997 – Ephemeroptera and Plecoptera nymphs from riffles in low-order streams in southeastern Brazil (In: Ephemeroptera & Plecoptera Biologia-Ecologia-Systematics, Eds. L. Peter, M. Sartori) – Mauron + Tinguely & Lachat SA, Fribourg/Switzerland, pp. 180-185.
- [7] Gauch Jr. H. G. 1986 – Multivariate analysis in community ecology – Cambridge University Press, Cambridge, 298 pp.
- [8] Giller P. S., Cambell R. N. B. 1989 – Colonisation patterns of mayfly nymphs (Ephemeroptera) on implanted substrate trays of different size – Hydrobiologia, 178: 59-71.
- [9] Golterman L., Clymo R. S., Ohmstad M. A. M. 1978 – Methods for physical and chemical analysis of fresh waters – Blackwell Scientific Publications, Oxford, 215 pp.
- [10] Kaisin F. J., Bosnia A. S. 1987 – Producción anual de Caenis sp. (Ephemeroptera) en el Embalse E. Ramos Mexia (Neuquén, Argentina) [Annual production of Caenis sp. (Ephemeroptera) in the E. Ramos Mexia reservoir (Neuquén, Argentina)] – Physis, 45: 53-63.
- [11] Kolar C. S., Rahel F. J. 1993 – Interaction of a biotic factor (predator presence) and an abiotic factor (low oxygen) as an influence on benthic invertebrate communities – Oecologia, 95: 210-219.
- [12] Melo S. M., Takeda A. M., Büttow N. C. 1993 –Variação temporal de ninfas de Campsurus violaceus Needham & Murphy, 1924 (Ephemeroptera: Polymitarcyidae) do rio Baía (MS-Brasil) [Life history of nymphs of Campsurus violaceus Needham & Murphy, 1924 (Ephemeroptera, Polymitarcyidae) in the Baía River (MS-Brazil)] – Revista UNIMAR, Maringá 15: 95-107 (In Portuguese with English summary).
- [13] Nolte U., Oliveira M. J., Sturs E. 1997 – Seasonal, discharge-driven patterns of mayfly assemblages in an intermittent neotropical stream – Freshwat. Biol. 37: 333-343.
- [14] Nolte U., Tietböhl R. S., Mc Cafferty W. P. 1996 – A mayfly from tropical Brazil capable of tolerating short-term dehydration – J. N. Am. Benthol. Soc. 15: 87-94.
- [15] Samways M. J., Osborn R., Van Heerden I. 1996 – Distribution of benthic invertebrates at different depths in a shallow reservoir in the KwaZulu-Natal Midlands – Koedoe, 39: 69-76.
- [16] Souza-Filho E. E., Stevaux J. C. 1997 – Geologia e geomorfologia do complexo rio Baía, Curutuba, Ivinheima [Geology and geomorfology of the complex Baía, Curutuba, Ivinheima river] (In: A Planície de Inundaèão do Alto Rio Paraná: Aspectos Físicos, Químicos, Biológicos e Sócio-econômicos [The floodplain of the high Paraná River: Physical, Chemical, Biological and Sócio-economic Aspects] Eds. A. A. Agostinho, A. E. M. Vazzoler, N. S. Hahn) – State Universty of Maringá, pp. 3-46.
- [17] Tabacchi E., Décamps H., Thomas A. 1993 – Substrate interstices as a habitat for larval Thraulus bellus (Ephemeroptera) in a temporary floodplain pond – Freshwat. Biol. 29: 429-439.
- [18] Takeda A. M., Shimizu G. Y., Shulz G. M., Silva A. C. M. 1991 – Zoobentos de quarto lagoas de várzea do alto rio Paraná (MS-Brasil). Influência do regime hidrológico sobre a comunidade [Zoobentos of four varzea lakes of the Upper Paraná River (MS-Brazil). Influence of the hydrological regime on the benthic community] – Revista UNIMAR, Maringá, 13: 365-387.
- [19] Volkmer-Ribeiro C., Mothes De Moraes B., De Rosa-Barbosa R., Mansur M. C. D., Veitenheimer-Mendes I. L. 1984 – Um estudo do bentos em raízes de Eichhornia azurea (Sw.) Kunth, do curso inferior de um rio subtropical sul-americano [A study of the benthos in Eichhornia azurea (Sw.) Kunt roots, from the lower course of a south American subtropical river] – Rev. Bras. Biol. 44: 125-132.
- [20] Ward J. V. 1989 – Riverine-wetland interactions (In: Freshwater wetlands and wildlife Eds. R. R. Sharitz, J. W. Gibson) – USODE Office of Scientific and Technical Information, Oak Ridge, Tennessee, pp. 385-400.
- [21] Ward J. V. 1992 – Aquatic insect ecology 1. Biology and habitat – John Willey & Sons, New York, 438 pp.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BGPK-0833-3286