Results 31 to 40 of about 20,724 (98)

Notes on the Life History of \u3ci\u3ePotamanthus Myops\u3c/i\u3e in Southeastern Michigan (Ephemeroptera: Potamanthidae) [PDF]

open access: yes, 2017
Naiads of the mayfly Potamanthus myops were collected six times over a one year period from the Huron River to obtain some information on their natural history.
Bartholomae, Philip G, Meier, Peter G
core   +2 more sources

Aquatic biosurvey of the Lovell River on UNH land [PDF]

open access: yes, 2003
We assessed the physical, chemical and biological conditions at two sites along the Lovell River on University of New Hampshire (UNH) -owned conservation land. The discharge was 4.4 m3 s-1 at Site 1 and 5.7 m3 s -1 downstream at Site 2.
Barry, Lisa M.   +12 more
core   +1 more source

The impact of cattle drinking points on aquatic macroinvertebrates in streams in south-east Ireland [PDF]

open access: yes, 2019
peer-reviewedTeagasc PublicationMeasures that prevent cattle access to watercourses are commonly implemented through agri-environment schemes, in an effort to address the objectives of the Water Framework Directive. Despite the widespread implementation,
Finn, John   +3 more
core   +2 more sources

Aquatic Insect Colonization and Substrate Changes in a Relocated Stream Segment [PDF]

open access: yes, 2017
A section of Bear Creek in northwestern Wisconsin was relocated to accommodate new highway construction. The 850-m section of the stream was shortened to 650 m and fashioned with five broad bends and a uniform width and depth. Sandy substrate and lack of
Narf, Richard P
core   +2 more sources

Life Cycle of \u3ci\u3eIsoperla Lata\u3c/i\u3e (Plecoptera: Perlodidae) in a Central Wisconsin Trout Stream [PDF]

open access: yes, 2018
Monthly qualitative samples of Isoperla lata Frison were made from January 1992 to June 1993 in Ripley Creek, a small second order trout stream in Lincoln County Wisconsin. Additional collecting and an in-stream hatching experiment were conducted in 1994.
Sandberg, John B, Szczytko, Stanley W
core   +2 more sources

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  

Pre-impoundment Limnological Study of the Strawberry River in Northeastern Arkansas [PDF]

open access: yes, 1971
A study of pre-impoundment limnological characteristics of the Strawberry River was made from August, 1967 to June, 1968. Two collecting stations were established, one upstream which would not be inundated and a lower station which would be inundated ...
Harp, George L., Robison, Henry W.
core   +2 more sources

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  

Evidence on Night Movements of Macroinvertebrates to Macrophytes in a Pampean Stream [PDF]

open access: yes, 2014
Nocturnal invertebrate abundance peaks in lotic systems are usually associated to drift, however, diel migrations other than drift may be important in slow-flowing systems.
Ferreiro, Nicolas Andres
core   +1 more source

Linking Biologic Metrics to Hydrologic Characteristics in Austin, Texas Streams [PDF]

open access: yes, 2011
This report compiles various hydrological information from several Austin creeks (including Waller) to study their impact on aquatic life.Urbanization can alter the hydrology of creeks as land use changes as represented by increases in impervious cover ...
Richter, Aaron
core   +1 more source

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