Results 11 to 20 of about 320,187 (264)

Assessing physical habitat structure and biological condition in eastern Amazonia stream sites

Water Biology and Security, 2023
The advance of agricultural frontiers and industrialization in Amazonia has increased natural resource deterioration, resulting in degraded physical habitat structure and reduced local aquatic biodiversity.
Jady Vivia Almeida da Silva Santos, Myllena Lima, Josinete Sampaio Monteles, Daiany Larissa Ribeiro Carrera, Ana Paula Justino de Faria, Leandro Schlemmer Brasil, Leandro Juen   +6 more
doaj   +1 more source

New Water and Biotic Quality Assessment Indices for a tropical reservoir based on fuzzy logic

Revista Ambiente & Água, 2020
The complexity of evaluating the quality of an aquatic environment with its numerous variables has resulted in several quality indexes to synthesize all information in a single value.
Andres Paladines Andrade, Marley Vellasco, Karla Figueiredo, Francisco Gerson Araújo, Christina Wyss Castelo Branco   +4 more
doaj   +1 more source

Aplicación de tres índices bióticos en el río San Juan, Andes, Colombia (Application of three biotic indexes in the river San Juan, Andes, Colombia)

Mutis, 2016
Durante los meses de febrero, mayo, agosto y octubre del año 2014, se evaluó la calidad del agua del río San Juan. Para tal fin se establecieron seis puntos de muestreo donde se recolectaron muestras de agua y macroinvertebrados acuáticos para los ...
Mailedt Paola Murillo Torrentes, Orlando Caicedo Quintero, Esnedy Hernández Atilano, Heazel Grajales Vargas, Jenny A. Mesa V, Fernando A. Cortés, Fabio de Jesús Vélez Macías, Néstor Jaime Aguirre Ramírez   +7 more
doaj   +1 more source

Testing strength of biotic resistance against an introduced fish: Inter-specific competition or predation through facultative piscivory? [PDF]

, 2012
Biotic resistance is the process where aspects of the receiving environment inhibit the establishment and invasion of an introduced species. Resistance against an introduced fish can be through strong competition and/or predation from resident fishes ...
Britton J. Robert, Britton, J.R., J Robert Britton   +2 more
core   +1 more source

Prevalence and risk factors of parasites in tambaqui Colossoma macropomum fingerling fish farming from São Francisco region AL/SE

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2022
This study identified the risk factors associated with parasite infestation in tambaqui fingerlings Colossoma macropomum from São Francisco region SE/AL.
T.B.R. Santos, P.O. Maciel, P.E.G. Paixão, J.O. Meneses, H.A. Abe, J.A.R. Dias, M.V.S. Couto, N.C. Sousa, F.S. Cunha, C.C.M. Santos, E.S. Medeiros, R.Y. Fujimoto   +11 more
doaj   +1 more source

Scaled biotic disruption during early Eocene global warming events [PDF]

, 2012
Late Paleocene and early Eocene hyperthermals are transient warming events associated with massive perturbations of the global carbon cycle, and are considered partial analogues for current anthropogenic climate change.
Murphy, B.H., Edgar, K.M., Bown, P.R., P. R. Bown, Sluijs, A., B. H. Murphy, Pälike, H., Zachos, J. C., Bolton, Clara, Edgar, K. M.; id_orcid, Bolton, C.T., Paelike, H., Edgar, Kirsty M., Gibbs, S.J., Gibbs, Samantha J., Pälike, Heiko, Murphy, B. H., C. T. Bolton, A. Sluijs, H. Pälike, K. M. Edgar, J. C. Zachos, Zachos, J.C., S. J. Gibbs, Edgar, K. M., Marine Palynology, Marine palynology and palaeoceanography, Bown, P. R., Bown, Paul R., Murphy, Brandon H., Sluijs, Appy, Bolton, C. T., Gibbs, S. J., Zachos, James C.   +33 more
core   +3 more sources

Taxonomic and non-taxonomic responses of benthic macroinvertebrates to metal toxicity in tropical reservoirs. The case of Cantareira Complex, São Paulo, Brazil [PDF]

Anais da Academia Brasileira de Ciências, 2020
Benthic macroinvertebrates are organisms that are recognized as water quality bio-indicators. A wide variety of indices and metrics have been shown to respond to a variety of anthropogenic impacts, usually under a general condition of environmental ...
FREDERICO G.S. BEGHELLI, MAURÍCIO CETRA, MERCEDES MARCHESE, JÚLIO CÉSAR LÓPEZ-DOVÁL, ANDRÉ H. ROSA, MARCELO L. M. POMPÊO, VIVIANE MOSCHINI-CARLOS   +6 more
doaj   +1 more source

Environmental Status Assessment Using DNA Metabarcoding: Towards a Genetics Based Marine Biotic Index (gAMBI) [PDF]

, 2014
Aylagas, E., Á. Borja, N. Rodríguez-Ezpeleta, 2014. Environmental Status Assessment Using DNA Metabarcoding: Towards a Genetics Based Marine Biotic Index (gAMBI). PLoS ONE, 9(3): e90529.
Rodríguez-Ezpeleta, Naiara, Borja, Angel, Naiara Rodríguez-Ezpeleta, Aylagas, Eva, Eva Aylagas, Angel Borja   +5 more
core   +2 more sources

Ranga bioindykacji w ekotoksykologii wód

Studia Ecologiae et Bioethicae, 2012
Bioindication methods are applied in ecotoxicological studies which in turn are widely used in the biological monitoring of surface water. Bioindication has been applied for a long time and so far it has created multiple classifications based on ...
Urszula Sadowska
doaj   +1 more source

The Cowpea Kinome: Genomic and Transcriptomic Analysis Under Biotic and Abiotic Stresses

Frontiers in Plant Science, 2021
The present work represents a pioneering effort, being the first to analyze genomic and transcriptomic data from Vigna unguiculata (cowpea) kinases. We evaluated the cowpea kinome considering its genome-wide distribution and structural characteristics ...
José Ribamar Costa Ferreira-Neto, Artemisa Nazaré da Costa Borges, Manassés Daniel da Silva, David Anderson de Lima Morais, João Pacífico Bezerra-Neto, Guillaume Bourque, Ederson Akio Kido, Ana Maria Benko-Iseppon   +7 more
doaj   +1 more source