Search Results - "GRACA, M. A. S"

Stimulation of leaf litter decomposition and associated fungi and invertebrates by moderate eutrophication: implications for stream assessment by GULIS, V., FERREIRA, V., GRAÇA, M. A. S.

“…Summary 1. We investigated the effect of moderate eutrophication on leaf litter decomposition and associated invertebrates in five reference and five…”
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Functional indicators of stream health: a river-basin approach by FEIO, M.J, ALVES, T, BOAVIDA, M, MEDEIROS, A, GRAÇA, M.A.S

“…1. The efficacy of leaf-litter decomposition, sediment respiration, biofilm biomass, growth, chlorophyll a concentration and the autotrophic index (biofilm…”
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Do climate and soil influence phenotypic variability in leaf litter, microbial decomposition and shredder consumption? by Graça, M. A. S, Poquet, J. M

“…We tested the hypothesis that water stress and soil nutrient availability drive leaf-litter quality for decomposers and detritivores by relating chemical and…”
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Life history of Lepidostoma hirtum in an iberian stream and its role in organic matter processing by AZEVEDO-PEREIRA, H. V. S, GRACA, M. A. S, GONZALEZ, J. M

“…The goal of this research was to determine the role of Lepidostoma hirtum Fabricius 1775 in the fragmentation of allochtonous organic material, in a segment of…”
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Effects of Nutrient Enrichment on Decomposition and Fungal Colonization of Sweet Chestnut Leaves in an Iberian Stream (Central Portugal) by Abelho, Manuela, Graça, M. A. S

“…This study assessed the effect of nutrient enrichment on rates of decomposition, ergosterol concentrations (as a measure of fungal biomass), and rates of…”
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Food quality, feeding preferences, survival and growth of shredders from temperate and tropical streams by GRACA, M. A. S, CRESSA, C, GESSNER, T. M. O, FEIO, M. J, CALLIES, K. A, BARRIOS, C

“…1. The importance of leaf quality to the nutritional ecology of lotic shredders is well established for temperate species but virtually unknown for tropical…”
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Conversion of leaf litter to secondary production by a shredding caddis-fly by GONZALEZ, J. M, GRACA, M. A. S

“…Summary 1. The aim of this study was to estimate the amount of leaf litter ingested by the shredder caddis‐fly Sericostoma vittatum in a small stream in…”
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Importance of fungi in the diet of Gammarus pulex and Asellus aquaticus I: feeding strategies by Graca, M.A.S. (Coimbra Univ. (Portugal). Dept. de Zoologia), Maltby, L, Calow, P

“…The importance of fungi in the trophic biology of the freshwater detritivores Gammarus pulex and Asellus aquaticus was investigated. Inspection of leaves used…”
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Diversity and activity of aquatic fungi under low oxygen conditions by MEDEIROS, A.O, PASCOAL, C, GRAÇA, M.A.S

“…1. The objective was to test whether a decrease in oxygen concentration in streams affects the diversity and activity of aquatic hyphomycetes and consequently…”
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Human disturbance affects the long-term spatial synchrony of freshwater invertebrate communities by Feio, M.J., Dolédec, S., Graça, M.A.S.

“…Taxonomic and trait composition of invertebrate communities were investigated for 4 reference and 5 disturbed Mediterranean stream sites over a 18 y period, to…”
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Food consumption by the larvae of Sericostoma vittatum (Trichoptera), an endemic species from the Iberian Peninsula by FEIO, M. J, GRACA, M. A. S

“…The caddisfly Sericostoma vittatum Rambur (Trichoptera: Sericostomatidae) is an endemic species of the Iberian Peninsula. Under laboratory conditions, larvae…”
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Litter decomposition in a Cerrado savannah stream is retarded by leaf toughness, low dissolved nutrients and a low density of shredders by GONÇALVES, J.F. JR, GRAÇA, M.A.S, CALLISTO, M

“…1. To assess whether the reported slow breakdown of litter in tropical Cerrado streams is due to local environmental conditions or to the intrinsic leaf…”
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Importance of Fungi in the Diet of Gammarus pulex and Asellus aquaticus. II. Effects on Growth, Reproduction and Physiology by Graça, M. A. S., Maltby, L., Calow, P.

“…An important component of the interaction between macroinvertebrates and leaf litter in streams in the extent to which consumers can differentiate between…”
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The effects of a basic effluent on macroinvertebrate community structure in a temporary Mediterranean river by Coimbra, C.N., Graça, M.A.S., Cortes, R.M.

“…Macroinvertebrate communities and environmental variables were assessed seasonally for 1 year in a temporary river in South Portugal receiving an effluent with…”
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Author Correction: A global analysis of terrestrial plant litter dynamics in non-perennial waterways by Datry, T., Foulquier, A., Corti, R., von Schiller, D., Tockner, K., Mendoza-Lera, C., Clément, J. C., Gessner, M. O., Moleón, M., Stubbington, R., Gücker, B., Albariño, R., Allen, D. C., Altermatt, F., Arce, M. I., Arnon, S., Banas, D., Banegas-Medina, A., Beller, E., Blanchette, M. L., Blanco-Libreros, J. F., Blessing, J. J., Boëchat, I. G., Boersma, K. S., Bogan, M. T., Bonada, N., Bond, N. R., Brintrup Barría, K. C., Bruder, A., Burrows, R. M., Cancellario, T., Canhoto, C., Carlson, S. M., Cauvy-Fraunié, S., Cid, N., Danger, M., de Freitas Terra, Bianca, De Girolamo, A. M, de La Barra, Evans, del Campo, R., Diaz-Villanueva, V. D., Dyer, F., Elosegi, A., Faye, E., Febria, C., Four, B., Gafny, S., Ghate, S. D., Gómez, R., Gómez-Gener, L., Graça, M. A. S., Guareschi, S., Hoppeler, F., Hwan, J. L., Jones, J. I., Kubheka, S., Laini, A., Langhans, S. D., Leigh, C., Little, C. J., Lorenz, S., Marshall, J. C., Martín, E., McIntosh, A. R., Meyer, E. I., Miliša, M., Mlambo, M. C., Morais, M., Moya, N., Negus, P. M., Niyogi, D. K., Papatheodoulou, A., Pardo, I., Pařil, P., Pauls, S. U., Pešić, V., Polášek, M., Robinson, C. T., Rodríguez-Lozano, P., Rolls, R. J., Sánchez-Montoya, M. M., Savić, A., Shumilova, O., Sridhar, K. R., Steward, A. L., Storey, R., Taleb, A., Uzan, A., Vander Vorste, Ross, Waltham, N. J., Woelfle-Erskine, C., Zak, D., Zarfl, C., Zoppini, A.

“…In the version of this Article originally published, the affiliation for M. I. Arce was incorrect; it should have been: 5 Leibniz Institute of Freshwater…”
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Leaf barriers to fungal colonization and shredders (Tipula lateralis) consumption of decomposing Eucalyptus globulus by Canhoto, C, Graca, M.A.S

“…Herein we assess the importance of leaf cuticle, polyphenolic, and essential oils contents of Eucalyptus globulus leaves to hyphomycete colonization and…”
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Effects of eucalyptus afforestation on leaf litter dynamics and macroinvertebrate community structure of streams in Central Portugal by Abelho, M. (Coimbra Univ. (Portugal). Dept. de Zoologia), Graca, M.A.S

“…To test the hypothesis that afforestation with Eucalyptus globulus would affect the dynamics of the organic matter available for aquatic macroinvertebrates and…”
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Water quality assessment of Portuguese streams: Regional or national predictive models? by Feio, M.J., Norris, R.H., Graça, M.A.S., Nichols, S.

“…The European Water Framework Directive (WFD 2000) brought the need in European Union countries to establish consistent quantitative methods for the water…”
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Decomposition of Eucalyptus globulus leaves and three native leaf species (Alnus glutinosa, Castanea sativa and Quercus faginea) in a Portuguese low order stream by Canhoto, C. (Coimbra Univ. (Portugal). Dept. de Zoologia), Graca, M.A.S

“…Allochthonous inputs (mainly autumn-shed leaves) to streams are decomposed by leaching, microbial colonization, and invertebrate detritivore feeding and…”
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In situ tests for water quality assessment: a case study in Pampean rivers by Graça, Manuel A.S, Rodrı́gues-Capı́tulo, Alberto, Ocón, Carolina, Gómez, Nora

“…Two invertebrate species ( Hyalella curvispina and Palaemonetes argentinus) and one macrophyte ( Egeria densa) from a naturally high nutrient content system…”
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