Mostrando 10 resultados de: 20
Filtros aplicados
Publisher
Freshwater Biology(6)
Hydrobiologia(4)
Archiv fur Hydrobiologie(2)
Ecological Entomology(1)
Ecological Indicators(1)
Chironomidae (Insecta: Diptera) of Ecuadorian Highaltitude Streams: A Survey and Illustrated Key
ReviewAbstract: Chironomidae (Diptera) are among the most diverse and widespread aquatic insects, with roughly 5,500Palabras claves:Alto Andes, NEOTROPICAL, quironomídeos, riachos glaciais e não glaciais, vulcão AntisanaAutores:Dean Jacobsen, Hamerlik L., Silva F.L.D.Fuentes:scopusA global perspective on the application of riverine macroinvertebrates as biological indicators in Africa, South-Central America, Mexico and Southern Asia
ArticleAbstract: The aim of this study is to generate a first global overview of pressures and methods used to assessPalabras claves:Bioindicators, Biomonitoring, Pollution, rivers, water qualityAutores:Brittain J.E., Dean Jacobsen, Eriksen T.E., FRIBERG N., Goethals P.L.M., Søli G.Fuentes:scopusContrasting patterns in local and zonal family richness of stream invertebrates along an Andean altitudinal gradient
ArticleAbstract: 1. Describing and understanding patterns in biological diversity along major geographical gradientsPalabras claves:altitude, DIVERSITY, ECUADOR, Fauna, Running watersAutores:Dean JacobsenFuentes:scopusAltitudinal distribution limits of aquatic macroinvertebrates: An experimental test in a tropical alpine stream
ArticleAbstract: 1. Temperature and oxygen are recognised as the main drivers of altitudinal limits of species distriPalabras claves:Benthic macroinvertebrates, Ecuadorian High Andes, Glacier-fed stream, Locomotory activity, oxygen saturation, Survival, TEMPERATURE, TransplantationAutores:Andrés Morabowen, Cauvy-Fraunie S., Dean Jacobsen, Madsen P.B., Olivier J. Dangles, Patricio Andino Guarderas, Rodrigo EspinosaFuentes:scopusFunctional structure and diversity of invertebrate communities in a glacierised catchment of the tropical Andes
ArticleAbstract: In many mountainous areas, glaciers feed streams characterised by harsh environmental conditions, suPalabras claves:ECUADOR, environmental filtering, Functional traits, Glacier-fed streams, macroinvertebratesAutores:Cauvy-Fraunie S., Cristina Ibarra, Dean Jacobsen, Olivier J. Dangles, Patricio Andino Guarderas, Rodrigo Eduardo Espinosa Barrera, Rodrigo Espinosa, Verónica Crespo-PérezFuentes:googlescopusDiversity and composition of macroinvertebrate assemblages in high-altitude Tibetan streams
ArticleAbstract: Knowledge on the ecology of streams at extreme altitudes is relatively sparse. We conducted a prelimPalabras claves:Alpine streams, Assemblage composition, benthic fauna, Glacial influence, macroinvertebrates, Seasonal variability, Tibet, Water sourceAutores:Christoffersen K.S., Dean Jacobsen, Hamerlik L., Laursen S.K., Moltesen K.Fuentes:scopusDiversity patterns of aquatic macroinvertebrates in a tropical high-andean catchment
ArticleAbstract: Introduction: Glacierised catchments are remote and hostile environments, in which streams from diffPalabras claves:aquatic macroinvertebrates, Glacierised catchments, KRENAL, KRYAL, rarity, RhithralAutores:Cauvy-Fraunie S., Dean Jacobsen, Olivier J. Dangles, Patricio Andino Guarderas, Rodrigo Espinosa, Verónica Crespo-PérezFuentes:scopusHerbivory of invertebrates on submerged macrophytes from Danish freshwaters
ArticleAbstract: 1. Invertebrate herbivory on submerged freshwater macrophytes, measured as per cent leaf area lost,Palabras claves:Autores:Dean Jacobsen, SAND‐JENSEN K.Fuentes:scopusLow oxygen pressure as a driving factor for the altitudinal decline in taxon richness of stream macroinvertebrates
ArticleAbstract: The objective of this study was to explore the altitudinal decrease in local richness of stream macrPalabras claves:Aquatic fauna, Diversity patterns, Elevation, freshwater, Oxygen availabilityAutores:Dean JacobsenFuentes:scopusMacroinvertebrate communities along the main stem and tributaries of a pre-Alpine river: composition responds to altitude, richness does not
ArticleAbstract: We collected quantitative macroinvertebrate samples and measured environmental and geographical paraPalabras claves:Alpine stream, DIVERSITY, longitudinal pattern, macroinvertebrates, MetacommunityAutores:Brodersen K.P., Dall P.C., Dean Jacobsen, FRIBERG N., Hansen S.B., Kirkegaard J., Lindegaard C., Skriver J., Toman M., Wiberg-Larsen P.Fuentes:scopus