Graça, Manuel
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Credit Name
Graça, Manuel
Name
Graça, Manuel, A. S.
Variants
Graça, M. A. S.
Graça, Manuel Augusto Simões
Graça, Manuel Augusto Simões
Unidade de I&D
Email
mgraca@ci.uc.pt
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UC Researcher
Biography
Manuel Augusto Simões Graça. Ph.D. University of Sheffield, U.K. In my research I am interested in understanding the general ecology of streams. I am particularly interested in litter decomposition and brown food webs (litter as the energy source for communities). In this regard, I am interested in understanding factors ruling the the transference of energy and materials from the leaf litter to the consumers, fungi and invertebrates. Therefore, my studies include chemical changes in decomposing leaves, the ecology of the decomposers (aquatic hyphomycetes) and animals feeding on detritus (shredders). I am also interested in developing, improving and applying tools to assess environmental quality and the effect of pollutants in receiving system, particularly mining effects in freshwaters. Under this research topic, I am cooperating with regional environmental agencies and the industry.
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Results 1-40 of 40 (Search time: 0.051 seconds).
| Issue Date | Title | Author(s) | Type | Access | |
|---|---|---|---|---|---|
| 1 | 2020 | Activities of oxidative stress- and cell membrane-related enzymes in a freshwater leaf-shredder exposed to uranium | Bergmann, Melissa ; Graça, Manuel A. S. ; Sobral, Olímpia | article | openAccess |
| 2 | 28-Dec-2016 | Aquatic hyphomycetes, benthic macroinvertebrates and leaf litter decomposition in streams naturally differing in riparian vegetation | Ferreira, Verónica ; Castela, José ; Rosa, Paulo; Tonin, Alan Mosele; Boyero, Luz; Graça, Manuel A. S. | article | openAccess |
| 3 | 2019 | Biodiversity of leaf litter fungi in streams along a latitudinal gradient | Seena, Sahadevan; Bärlocher, Felix ; Sobral, Olímpia ; Gessner, Mark O.; Dudgeon, David; Mckie, Brendan G.; Chauvet, Eric; Ferreira, Verónica ; Gonçalves, Vítor; Medeiros, Adriana O. ; Pozo, Jesús ; Graça, Manuel A. S. ; et al. | article | openAccess |
| 4 | 2012 | Biosorption of uranium in contaminated waters: the potential of four plant species for remediation of streams affected by acid mine drainages | Antunes, Patrícia Joana Rodrigues de Oliveira | masterThesis | openAccess |
| 5 | 2016 | Biotic and abiotic variables influencing plant litter breakdown in streams: a global study | Boyero, Luz; Pearson, Richard G.; Hui, Cang; Gessner, Mark O.; Perez, Javier; Alexandrou, Markos A.; Graça, Manuel A. S. ; Ferreira, Verónica ; et al. | article | openAccess |
| 6 | 2019 | Capítulo 12. Processos ecológicos e serviços | Ferreira, Verónica ; Canhoto, Cristina ; Pascoal, Cláudia; Graça, Manuel A. S. | bookPart | openAccess |
| 7 | 2014 | Chapter 18. Stream pollution and fungi | Ferreira, Verónica ; Gulis, Vladislav ; Pascoal, Cláudia ; Graça, Manuel A. S. | bookPart | openAccess |
| 8 | 2013 | Combined effects of water temperature and nutrients concentration on periphyton respiration - implications of global change | Rosa, João ; Ferreira, Verónica ; Canhoto, Cristina ; Graça, Manuel A.S. | article | openAccess |
| 9 | 2015 | A conceptual model of litter breakdown in low order streams | Graça, Manuel A. S. ; Ferreira, Verónica ; Canhoto, Cristina ; Encalada, Andrea C.; Guerrero-Bolaño, Francisco; Wantzen, Karl M.; Boyero, Luz | article | openAccess |
| 10 | 2012 | Continental-scale effects of nutrient pollution on stream ecosystem functioning | Woodward, Guy; Gessner, Mark O.; Giller, Paul S.; Gulis, Vladislav; Hladyz, Sally; Lecerf, Antoine; Malmqvist, B.; Ferreira, Verónica ; Graça, Manuel A. S. ; et al. | article | openAccess |
| 11 | 2014 | Do climate and soil influence phenotypic variability in leaf litter, microbial decomposition and shredder consumption? | Graça, M. A. S. ; Poquet, J. M. | article | openAccess |
| 12 | 26-Apr-2019 | Effects of elevated atmospheric CO2 concentration and temperature on litter decomposition in streams: A meta-analysis | Amani, Mabano; Graça, Manuel A. S. ; Ferreira, Verónica | article | openAccess |
| 13 | 19-Jul-2018 | Effects of elevated CO2 and temperature on plant litter decomposition in freshwaters – a meta-analysis. / Efeitos do aumento da cocnetração de CO2 e da temperatura na decomposição de detritos vegetais em sistemas aquáticos de água doce – uma meta-análise | Mabano, Amani | masterThesis | openAccess |
| 14 | 2012 | Effects of litter diversity on decomposition and biological colonization of submerged litter in temperate and tropical streams | Ferreira, Verónica ; Encalada, Andrea C.; Graça, Manuel A. S. | article | openAccess |
| 15 | May-2016 | Effects of whole-stream nitrogen enrichment and litter species mixing on litter decomposition and associated fungi | Ferreira, Verónica ; Graça, Manuel A. S. | article | openAccess |
| 16 | 22-Feb-2017 | From taxonomy to multiple-trait bioassessment: the role of Chironomidae in separating naturally poor from disturbed communities | Serra, Sónia Raquel Quinás | doctoralThesis | embargoedAccess |
| 17 | 2012 | Future ecological studies of Brazilian headwater streams under global-changes | Callisto, Marcos; Melo, Adriano Sanches; Baptista, Darcilio Fernandes; Gonçalves Junior, José Francisco; Graça, Manuel Augusto Simões ; Augusto, Fernanda Gaudio | article | openAccess |
| 18 | 2019 | A global assessment of the effects of eucalyptus plantations on stream ecosystem functioning | Ferreira, Verónica ; Boyero, Luz; Calvo, Clementina; Correa, Francisco; Figueroa, Ricardo; Goyenola, Guillermo; Graça, Manuel A. S. ; Hepp, Luiz U.; Kariuki, Samuel; López-Rodríguez, Anahí; Mazzeo, Néstor; M’Erimba, Charles; Monroy, Silvia; Peil, Alessandra; Pozo, Jesús ; Rezende, Renan; Teixeira-de-Mello, Franco | article | openAccess |
| 19 | 2011 | Global distribution of a key trophic guild contrasts with common latitudinal diversity patterns | Boyero, Luz; Pearson, Richard G.; Dudgeon, David; Graça, Manuel A. S. ; Gessner, Mark O.; Albariño, Ricardo J.; Ferreira, Verónica ; et al. | article | openAccess |
| 20 | 2011 | A global experiment suggests climate warming will not accelerate litter decomposition in streams but might reduce carbon sequestration | Boyero, Luz; Pearson, Richard G.; Gessner, Mark O.; Barmuta, Leon A.; Ferreira, Verónica ; Graça, Manuel A. S. ; Dudgeon, D.; Castela, José ; et al. | article | openAccess |
| 21 | Jan-2019 | Global patterns and drivers of ecosystem functioning in rivers and riparian zones | Tiegs, Scott D.; Costello, David M.; Isken, Mark W.; Woodward, Guy; McIntyre, Peter B.; Gessner, Mark O.; Chauvet, Eric; Canhoto, Cristina ; Ferreira, Verónica ; Graça, Manuel A. S. ; Medeiros, Adriana Oliveira ; et al. | article | openAccess |
| 22 | 2012 | Global patterns of stream detritivore distribution: Implications for biodiversity loss in changing climates | Boyero, Luz; Pearson, Richard G.; Dudgeon, David; Ferreira, Verónica ; Graça, Manuel A. S. ; Gessner, Mark O.; Boulton, Andrew J.; Castela, José ; et al. | article | openAccess |
| 23 | 2015 | Latitudinal gradient of nestedness and its potential drivers in stream detritivores | Boyero, Luz; Pearson, R. G.; Swan, C. M. ; Hui, C.; Albariño, R. J.; Arunachalam, M.; Callisto, M.; Ferreira, Verónica; Graça, Manuel, A. S. ; et al. | article | openAccess |
| 24 | 2016 | Leaf litter decomposition in remote oceanic island streams is driven by microbes and depends on litter quality and environmental conditions | Ferreira, Verónica ; Raposeiro, Pedro M.; Pereira, Ana ; Cruz, Ana M.; Costa, Ana C.; Graça, Manuel A.S. ; Gonçalves, Vítor | article | openAccess |
| 25 | 2016 | Litter Decomposition as an Indicator of Stream Ecosystem Functioning at Local-to-Continental Scales: Insights from the European RivFunction Project | Chauvet, Eric; Ferreira, Verónica ; Giller, Paul S.; Mckie, Brendan G.; Tiegs, Scott D.; Woodward, Guy; Elosegi, Arturo; Graça, M. A. S. ; et al. | bookPart | openAccess |
| 26 | 2015 | A meta-analysis of the effects of nutrient enrichment on litter decomposition in streams | Ferreira, Verónica ; Castagneyrol, Bastian; Koricheva, Julia; Gulis, Vladislav ; Chauvet, Eric; Graça, Manuel A. S. | article | openAccess |
| 27 | Mar-2016 | A meta-analysis on the effects of changes in the composition of native forests on litter decomposition in streams | Ferreira, Verónica ; Koricheva, Julia; Pozo, Jesús ; Graça, Manuel A. S. | article | openAccess |
| 28 | 2015 | Microbial colonisation and litter decomposition in a Cerrado stream are limited by low dissolved nutrient concentrations | Medeiros, Adriana O. ; Callisto, Marcos; Graça, Manuel A.S. ; Ferreira, Verónica ; Rosa, Carlos A.; Franca, Juliana; Eller, Ana; Rezende, Renan S.; Gonçalves, J. F. Jr. | article | openAccess |
| 29 | 2015 | Microbial decomposers diversity and litter decomposition along an altitudinal gradient in tropical and temperate stream ecosystems | Torres, Cristina Alexandra Salgado | masterThesis | openAccess |
| 30 | 2017 | Nutrient enrichment in water more than in leaves affects aquatic microbial litter processing | Biasi, Cristiane; Graça, Manuel A. S. ; Santos, Sandro; Ferreira, Verónica | article | openAccess |
| 31 | 2020 | Patterns of Distribution of Bivalve Populations in a Mediterranean Temporary River | Gama, Mafalda ; Banha, Filipe; Moreira, Cristina ; Gama, Henrique; Graça, Manuel ; Anastácio, Pedro | article | openAccess |
| 32 | 2010 | Riparian land use and the relationship between the benthos and litter decomposition in tropical montane streams | Encalada, Andrea C. ; Ferreira, Verónica ; Canhoto, Cristina ; Graça, Manuel A. S. ; Calles, Juan | article | openAccess |
| 33 | 2017 | Riparian plant litter quality increases with latitude | Boyero, Luz; Graça, Manuel A. S. ; Tonin, Alan M.; Peréz, Javier; Swafford, Andrew J.; Ferreira, Verónica ; Landeira-Dabarca, Andrea; et al. | article | openAccess |
| 34 | 2012 | A stable temperature may favour continuous reproduction by Theodoxus fluviatilis and explain its high densities in some karstic springs | Graça, Manuel A. S. ; Serra, Sónia R. Q. ; Ferreira, Verónica | article | openAccess |
| 35 | 2013 | The effect of temperature on leaf decomposition and diversity of associated aquatic hyphomycetes depends on the substrate | Gonçalves, Ana Lúcia ; Graça, Manuel A. S. ; Canhoto, Cristina | article | openAccess |
| 36 | 2015 | The effects of eucalypt plantations on plant litter decomposition and macroinvertebrate communities in Iberian streams | Ferreira, Verónica ; Larrañaga, Aitor; Gulis, Vladislav ; Basaguren, Ana ; Elosegi, Arturo; Graça, Manuel A. S. ; Pozo, Jesús | article | openAccess |
| 37 | 13-Dec-2013 | The importance of fungal diversity on leaf decomposition in streams | Gonçalves, Ana Lúcia | doctoralThesis | openAccess |
| 38 | 2012 | The performance of biological indicators in assessing the ecological state of streams with varying catchment urbanisation levels in Coimbra, Portugal | Del Arco, Ana I.; Ferreira, Verónica ; Graça, Manuel A. S. | article | openAccess |
| 39 | 2020 | Uranium affects growth, sporulation, biomass and leaf-litter decomposition by aquatic hyphomycetes | Bergmann, Melissa ; Graça, Manuel A. S. | article | openAccess |
| 40 | 21-Jan-2020 | Uranium bioaccumulation, potential biomagnification and dispersion by freshwater insects | Bergmann, Melissa | doctoralThesis | openAccess |