Results 111 to 120 of about 35,976 (295)

Biodiversity of macrozoobenthos in a large river, the Austrian Danube, including quantitative studies in a free-flowing stretch below Vienna: a short review [PDF]

open access: yes, 2005
The Danube is ca. 2850 km in length and is the second largest river in Europe. The Austrian part of the Danube falls 156 metres in altitude over its 351 km length and, since the early 1950s, the river has been developed into a power-generating waterway ...
Fesl, Christian, Humpesch, Uwe
core  

Sistem Mina Padi Di Desa Manik Rambung Mendukung Ketahanan Pangan Sumatera Utara [PDF]

open access: yes, 2015
Rice and fish have been an essential part of the life of Indonesian people which produce from rice field. The research was conducted during two years (Dec.2008 to Sept.2010) using a purposive random sampling using three plots in lowland and terrace from ...
Siregar, A. Z. (Ameilia)
core  

The macroinvertebrate seedbank promotes community persistence in temporary rivers across climate zones [PDF]

open access: yes, 2013
1. Aquatic macroinvertebrates inhabiting temporary rivers are typically described as having low resistance to riverbed drying. However, little research has examined the ‘seedbank’ within dry riverbed sediments, which comprises aquatic life stages that ...
Datry, T, Stubbington, R
core   +2 more sources

Nuevos registros de Odonata y Ephemeroptera para el noroeste de Argentina

open access: yesRevista de la Sociedad Entomológica Argentina, 2014
Se presentan nuevos registros de 14 especies de Odonata y dos especies de Ephemeroptera, incluyendo dos registros nuevos de Argentina: Nephepeltia leonardina Rácenis (Anisoptera: Libellulidae) y Alloretochus peruanicus (Soldán) (Ephemeroptera: Caenidae).
José S. RODRÍGUEZ   +2 more
doaj  

Contribution to the mayfly, aquatic beetle, aquatic and semiaquatic bug and caddisfly fauna of watercourses in the Bihari-plain, E Hungary (Ephemeroptera larvae; Coleoptera: Hydradephaga, Hydrophiloidea; Heteroptera: Nepomorpha, Gerromorpha; Trichoptera larvae) [PDF]

open access: yes, 2004
Collecting data of 113 species of aquatic macroinvertebrates (Ephemeroptera: 6, Coleoptera: 75, Heteroptera: 20 and Trichoptera: 12) are given from 8 localities in Bihari plain, E ...
Boda, Pál   +3 more
core  

The Mayfly Family Behningiidae (Ephemeroptera: Ephemeroidea): Keys to the Recent Species With a Catalog of the Family [PDF]

open access: yes, 2017
Keys to the known Recent species of the mayfly family Behningiidae are presented. Also included is a catalog of references to the genera and species of the Behningiidae, along with indications of described stages and geographical ...
Hubbard, Michael D
core   +2 more sources

Comparison of bioassessment results and costs between preserved and unpreserved macroinvertebrate samples from streams [PDF]

open access: yes
The choice to use or not use a preservative before sorting macroinvertebrate samples (i.e., dead specimens vs. living specimens) is based on studies not solely focused on the effects of preservation.
Goedhart, P.W.   +2 more
core   +3 more sources

New Techniques for Associating the Stages of Aquatic Insects [PDF]

open access: yes, 2017
(excerpt) The immature forms of many benthic insect species are presently either undescribed or unidentifiable. The result is that associations with corresponding adult forms are often necessary in order to confirm specific and sometimes generic ...
McCafferty, W P, Provonsha, A. V.
core   +3 more sources

Checklist de Ephemeroptera do Estado de Mato Grosso do Sul, Brasil

open access: yesIheringia: Série Zoologia
RESUMO A ordem Ephemeroptera (Insecta) constitui um dos mais importantes grupos da entomofauna aquática. São encontrados em ambientes aquáticos continentais lênticos e lóticos, associados aos mais diversos tipos de substrato.
Fábio Henrique da Silva   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy