Results 81 to 90 of about 13,023 (221)

Age and growth of European barbel Barbus barbus (Cyprinidae) in the small, mesotrophic River Lee and relative to other populations in England

open access: yesKnowledge and Management of Aquatic Ecosystems, 2013
Suspected of being in decline, the European barbel Barbus barbus population of the River Lee, a heavily-modified river in South East England, has been the subject of investigations to identify factors associated with perceived
Vilizzi L., Copp G.H., Britton J.R.
doaj   +1 more source

Spatial variation in the structure of fish assemblages in the Vaalbos National Park, South Africa

open access: yesKoedoe: African Protected Area Conservation and Science, 1997
Fish assemblages were sampled at nine sites in the lower Vaal River in the Vaalbos National Park and adjacent properties. A total of 1543 fish from 10 species was recorded.
I.A. Russell
doaj   +1 more source

Paralog-Specific Primers for the Amplification of Nuclear Loci in Tetraploid Barbels (Barbus: Cypriniformes) [PDF]

open access: yes, 2017
Thirty paralog-specific primers were developed, following an intron-primed exon-crossing strategy, for S7 and growth hormone genes in Barbus (subgenera Barbus and Luciobarbus).
Alves, Maria Judite   +2 more
core  

Influences of environmental and chemical parameters on the spatial growth patterns of four riverine cyprinid fishes

open access: yesKnowledge and Management of Aquatic Ecosystems, 2015
Understanding intraspecific variability in fish somatic growth rates is important as growth is a key life history trait that plays a fundamental role in many biological and ecological processes.
Liu C., Chen Y., Britton J.R.
doaj   +1 more source

Putting pharmaceuticals into the wider context of challenges to fish populations in rivers [PDF]

open access: yes, 2014
The natural range of fish species in our rivers is related to flow, elevation, temperature, local habitat and connectivity. For over 2000 years, humans have altered to varying degrees the river habitat.
Andrew C. Johnson   +7 more
core   +3 more sources

Survey of Barbus grypus and Barbus sharpeyi

open access: yes, 1996
Iranian Fisheries Science Research Institute ...
Nikpay, M.   +3 more
openaire   +1 more source

Genidens barbus (Lacepéde 1803) [PDF]

open access: yes, 2010
Nombre vulgar: bagre, bagre de mar, bagre negro, mimoso, mochuelo. El mimoso es el único representante de los bagres marinos que habita las aguas de nuestro pais. Se lo encuentra en la costa Atlántica de América del Sur desde el Rio de la Plata hasta el Este de Brasil (Liotta, 2006).
Nadalin, Diego O., López, Hugo Luis
openaire   +1 more source

Concentration of heavy metal (Cd, Pb, Ni, Hg) in muscle, gill and liver tissues of Barbus xanthopterus in Karoon River

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2011
We determined bioaccumulation of heavy metals (Cd, Pb, Ni and Hg) in the muscle, gill and liver organs of Barbus xanthopterus in summer 2009 in Karoon River, south west of Iran.
A. Askary Sary; M. Khodadadi; M. Mohammadi email
doaj  

Sperm motility parameters of Barbus barbus callensis throughout the reproduction season: Computer aided semen analysis and gametes motility duration [PDF]

open access: yes, 2016
The present study investigated the existing relationship between computer assisted semen motility parameters and gametes motility duration, known to express semen quality and fertilizing capacity in fish.
Aberkane, B., Iguer-ouada, M.
core  

Results of the Austrian-Ceylonese hydrobiological mission 1970 of the 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the University of Ceylon, Vidyalankara Campus, Kelaniya (Sri Lanka). [Pt. 15.] Collection of fishes (Osteichthyes) [PDF]

open access: yes, 1973
A total of 378 specimens from 25 collecting localities belonging to 31 different species of fish collected mainly from the rivers of the hilly and mountain regions of the south-western and southern Ceylon have been identified and recorded.
Radda, A.C.
core  

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