Leaf dimorphism of Microgramma squamulosa (Polypodiaceae): a qualitative and quantitative analysis focusing on adaptations to epiphytism by Ledyane Dalgallo Rocha, Annette Droste, Günther Gehlen, Jairo Lizandro Schmitt

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Avaliação da qualidade da água do Rio Ijuí utilizando o teste de micronúcleo em peixes by Emitério da Rosa Neto, Günther Gehlen, Luciano Basso da Silva

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Leaf dimorphism of Microgramma squamulosa (Polypodiaceae): a qualitative and quantitative analysis focusing on adaptations to epiphytism by Ledyane Dalgallo Rocha, Annette Droste, Günther Gehlen, Jairo Lizandro Schmitt

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Morphometric differences of Microgramma squamulosa (Kaulf.) de la Sota (Polypodiaceae) leaves in environments with distinct atmospheric air quality by LEDYANE D. ROCHA, GUSTAVO M. DA COSTA, GÜNTHER GEHLEN, ANNETTE DROSTE, JAIRO L. SCHMITT

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CARTILHA DE EDUCAÇÃO AMBIENTAL SOBRE A ESTAÇÃO DE TRATAMENTO DE EFLUENTE DOMÉSTICO SUSTENTÁVEL NO MUNICÍPIO DE NOVO HAMBURGO, RS, BRASIL by Tainã Coelho Quevedo, Erlon Diego de Oliveira, Micheline Krüger Neumann, Günther Gehlen, Jairo Lizandro Schmitt

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The use of biomarkers to assess the health of aquatic ecosystems in Brazil: a review by Thaís Dalzochio, Gabriela Zimmermann Prado Rodrigues, Ismael Evandro Petry, Günther Gehlen, Luciano Basso da Silva

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Gill histopathology and micronucleus test of Astyanax jacuhiensis (Cope, 1894) (Teleostei, Characidae) to evaluate effects caused by acute exposure to aluminum by Thaís Dalzochio, Angélica Goldoni, Gabriela Zimmermann Prado Rodrigues, Ismael Evandro Petry, Luciano Basso da Silva, Günther Gehlen

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Evaluation of the use of Ancistrus brevipinnis (Loricariidae) as a bioindicator of water quality in the Ilha river, RS, Brazil by Jorge Henrique Burghausen, Gabriela Zimmermann Prado Rodrigues, Luciane Beatris Mentges Staudt, Juliana Machado Kayser, Mateus Santos de Souza, Diulliane de Jesus Borba, Arthur Postai, Ana Júlia Stumm, Anelise Schneider, Rafael Linden, Günther Gehlen

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Permitted daily exposure from preclinical studies of Ginkgo biloba L. dry extract by Liliane Weber Bolfe Lamb, Gabriela Zimmermann Prado Rodrigues, Thalia Emmanoella Sebulsqui Saraiva, Douglas de Souza, Gabriel da Costa Berna, Ana Letícia Hilário Garcia, Fernando Bertoldi de Oliveira, Juliana Machado Kayser, Andriele Veiverberg, Mariana Roza Marco, Giulia Aline Führ, Günther Gehlen, Andresa Heemann Betti, Cristiane Bastos de Mattos

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