Results 41 to 46 of about 48 (46)

Diversity of larvae of littoral Chironomidae (Diptera: Insecta) and their role as bioindicators in urban reservoirs of different trophic levels Diversidade de larvas de Chironomidae (Diptera: Insecta) e seu papel como bioindicadores na região litorânea de reservatórios urbanos em diferentes níveis tróficos

open access: yesBrazilian Journal of Biology, 2010
The Chironomidae (Diptera: Insecta) have a high species richness, with species adapted to live under widely different environmental conditions. The study of the taxonomic composition of chironomid larvae and the percentage of occurrence of deformities in
SS. Morais   +4 more
doaj   +1 more source

Clave para ninfas y adultos de las familias y géneros de Ephemeroptera (Insecta) sudamericanos

open access: yesBiología Acuática, 2019
Con esta clave para la identificación de las ninfas y adultos de los géneros y familias sudamericanos de efemerópteros, los especialistas Eduardo Dominguez, Michael D. Hubbard y William L.
Eduardo Domínguez   +2 more
doaj  

Variación temporal en la abundancia y diversidad de aves en el humedal del Río Itata, región del Bío-Bío, Chile Temporal variability in the abundance and diversity of aquatic birds in the Itata River wetland, Bio-Bio Region, Chile

open access: yesGayana, 2011
Los humedales costeros cumplen una importante función como hábitats para aves acuáticas tanto residentes como visitantes. A pesar de su alta riqueza de especies, en Chile existe una carencia de estudios sobre la estructura y dinámica de los ensambles de ...
Angélica L González   +2 more
doaj  

Bioindicators of climate and trophic state in lowland and highland aquatic ecosystems of the Northern Neotropics

open access: yesRevista de Biología Tropical, 2013
Chironomids, diatoms and microcrustaceans that inhabit aquatic ecosystems of the Northern Neotropics are abundant and diverse. Some species are highly sensitive to changes in water chemical composition and trophic state.
Liseth Pérez   +11 more
doaj  

Persistence of imazaquin and diclosulan in different soil moisture = Persistência de imazaquim e diclosulam em função da umidade do solo

open access: yesAgro@mbiente On-line, 2013
Herbicides may have different processes of redistribution and degradation that will determine its effectiveness and residual soil. The objective of this work was to evaluate the influence of soil moisture on the persistence of diclosulam and imazaquim ...
Patrícia Andrea Monquero   +2 more
doaj  

Evaluación de Zea mays L. y phaseolus vulgaris L. como bioindicadores de herbicidas imidazolinonas en suelo Evaluation of Zea mays L. and Phaseolus vulgaris L. as bioindicators of imidazolinone herbicide in soil

open access: yesBioagro, 2011
Se evaluaron las especies Phaseolus vulgaris y Zea mays como bioindicadoras de herbicidas imidazolinonas en suelo. Se condujeron dos ensayos bajo un diseño experimental completamente al azar con ocho tratamientos y diez repeticiones; el primero para ...
Alvaro Anzalone   +3 more
doaj  

Home - About - Disclaimer - Privacy