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Manuel A. S. Graça

Manuel A. S. Graça

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Ecology and Evolution
Portugal
2026

D-Index & Metrics

Ecology and Evolution

D-Index
62
Citations
13233
World Ranking
2087
National Ranking
9

Research.com Recognitions

  • 2026 - Research.com Ecology and Evolution in Portugal Leader Award
  • 2025 - Research.com Ecology and Evolution in Portugal Leader Award

Overview

Manuel A. S. Graça is affiliated with the University of Coimbra in Portugal, focusing primarily on Environmental Science. Their research spans multiple subfields including Ecology, Nature and Landscape Conservation, Water Science and Technology, Environmental Chemistry, and Soil Science.

The scholar has contributed extensively to topics related to freshwater ecosystems, with particular attention to freshwater macroinvertebrate diversity and ecology, fish ecology and management studies, aquatic invertebrate ecology and behavior, hydrology and sediment transport processes, hydrology and watershed management studies, soil and water nutrient dynamics, and isotope analysis in ecology.

Their recent papers include:

  • The recovery of European freshwater biodiversity has come to a halt (2023, Nature)
  • Impacts of detritivore diversity loss on instream decomposition are greatest in the tropics (2021, Nature Communications)
  • Latitude dictates plant diversity effects on instream decomposition (2021, Science Advances)
  • Invasion of temperate deciduous broadleaf forests by N-fixing tree species - consequences for stream ecosystems (2021, Biological reviews/Biological reviews of the Cambridge Philosophical Society)
  • A comparison of decomposition rates and biological colonization of leaf litter from tropical and temperate origins (2021, Aquatic Ecology)

Frequent coauthors collaborating with Manuel A. S. Graça include:

  • Marcos Callisto
  • Verónica Ferreira
  • Brendan G. McKie
  • Elvira de Eyto
  • Timo Muotka

Publications are commonly found in several scientific journals, notably:

  • Hydrobiologia
  • Limnetica
  • Nature
  • Nature Communications
  • Science Advances

Best Publications

  • The Role of Invertebrates on Leaf Litter Decomposition in Streams – a Review

    Manuel A.S. Graça

  • Continental-scale effects of nutrient pollution on stream ecosystem functioning.

    Guy Woodward;Guy Woodward;Mark O Gessner;Paul S Giller;Vladislav Gulis

  • Methods to Study Litter Decomposition: A Practical Guide

    Manuel A. S. Graça;Felix Bärlocher;Mark O. Gessner

  • A global experiment suggests climate warming will not accelerate litter decomposition in streams but might reduce carbon sequestration

    Luz Boyero;Richard G. Pearson;Mark O. Gessner;Mark O. Gessner;Leon A. Barmuta

  • The recovery of European freshwater biodiversity has come to a halt

    Unknown

  • Stimulation of leaf litter decomposition and associated fungi and invertebrates by moderate eutrophication : implications for stream assessment

    V. Gulis;V. Ferreira;M. A. S. Graça

  • A meta-analysis of the effects of nutrient enrichment on litter decomposition in streams

    Verónica Ferreira;Bastien Castagneyrol;Bastien Castagneyrol;Julia Koricheva;Vladislav Gulis

  • Whole-stream nitrate addition affects litter decomposition and associated fungi but not invertebrates

    Verónica Ferreira;Vladislav Gulis;Vladislav Gulis;Manuel A. S. Graça

  • Global distribution of a key trophic guild contrasts with common latitudinal diversity patterns.

    Luz Boyero;Luz Boyero;Richard G. Pearson;David Dudgeon;Manuel A. S. Graça

  • Methods to Study Litter Decomposition

    Manuel A.S. Graça;Felix Bärlocher;Mark O. Gessner

  • Effects of eucalyptus afforestation on leaf litter dynamics and macroinvertebrate community structure of streams in Central Portugal

    M. Abelho;M. A. S. Graça

  • Diversity and activity of aquatic fungi under low oxygen conditions

    A. O. Medeiros;A. O. Medeiros;C. Pascoal;M. A. S. Graça

  • Importance of fungi in the diet of Gammarus pulex and Asellus aquaticus : II. Effects on growth, reproduction and physiology.

    M. A.S. Graça;L. Maltby;Peter Calow

  • Leaf Barriers to Fungal Colonization and Shredders (Tipula lateralis) Consumption of Decomposing Eucalyptus globulus.

    C. Canhoto;M.A.S. Graça

  • Global patterns and drivers of ecosystem functioning in rivers and riparian zones

    Scott D. Tiegs;David M. Costello;Mark W. Isken;Guy Woodward

  • Biotic and abiotic variables influencing plant litter breakdown in streams: a global study.

    Luz Boyero;Richard G. Pearson;Cang Hui;Cang Hui;Mark O. Gessner;Mark O. Gessner

  • Importance of fungi in the diet of Gammarus pulex and Asellus aquaticus I: feeding strategies

    M A S Graça;Lorraine Maltby;P Calow

  • Decomposition of Eucalyptus globulus leaves and three native leaf species (Alnus glutinosa, Castanea sativa and Quercus faginea) in a Portuguese low order stream

    Cristina Canhoto;Manuel A. S. Graça

  • Global patterns of stream detritivore distribution: implications for biodiversity loss in changing climates

    Luz Boyero;Richard G. Pearson;David Dudgeon;Verónica Ferreira

  • Effects of Eucalyptus Plantations on Detritus, Decomposers, and Detritivores in Streams

    Manuel A S Graça;Jesús Pozo;Cristina Canhoto;Arturo Elosegi

  • Exotic riparian vegetation lowers fungal diversity but not leaf decomposition in Portuguese streams

    Felix Bärlocher;Manuel A. S. Graça

  • Riparian plant litter quality increases with latitude

    Luz Boyero;Manuel A. S. Graca;Alan M. Tonin;Javier Perez

Frequent Co-Authors

Verónica Ferreira
Verónica Ferreira University of Coimbra
Mark O. Gessner
Mark O. Gessner Technical University of Berlin
Eric Chauvet
Eric Chauvet Paul Sabatier University
Luz Boyero
Luz Boyero University of the Basque Country
Maria João Feio
Maria João Feio University of Coimbra
Marcos Callisto
Marcos Callisto Universidade Federal de Minas Gerais
Andrea C. Encalada
Andrea C. Encalada Universidad San Francisco de Quito
José F. Gonçalves
José F. Gonçalves University of Brasília
Catherine M. Yule
Catherine M. Yule University of the Sunshine Coast
Arturo Elosegi
Arturo Elosegi University of the Basque Country

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