Results 111 to 120 of about 13,923 (215)

Seasonal variability in ichthyoplankton abundance and assemblage composition in the northern Gulf of Mexico off Alabama [PDF]

open access: yes, 2010
Multiyear ichthyoplankton surveys used to monitor larval fish seasonality, abundance, and assemblage structure can provide early indicators of regional ecosystem changes.
Graham, William M.   +2 more
core   +1 more source

INLAND ICHTHYOFAUNA IN SOUTHEAST HA TINH PROVINCE, VIETNAM

open access: yesStudia Universitatis Moldaviae: Stiinte reale si ale naturii, 2019
We conducted 18 field surveys in 2017 - 2018 at 9 study sites and collected 602 specimens. Over time of analysis, we have classified and identified 183 fish species belonging to 138 genera, 67 families of 22 orders distributed in Southeast Ha Tinh province. Inside 86 species was supplemented in the study area.
Tuong, N.   +3 more
openaire   +2 more sources

A multimetric index based on fish fauna for the evaluation of the biotic integrity of streams at a mesohabitat scale Índice multimétrico com base na fauna de peixes para avaliação da integridade biótica de riachos em escala de meso-hábitat

open access: yesActa Limnologica Brasiliensia, 2012
AIM: In this study, we evaluated the ability of the Index of Biotic Integrity (IBI), based on fish fauna, to discriminate between reference streams and degraded streams at a mesohabitat scale. METHODS: We sampled the ichthyofauna of 96 mesohabitats (runs,
Lilian Casatti, Fabrício Barreto Teresa
doaj  

First record of an Odontaspidid shark in Ascension Island waters [PDF]

open access: yes, 2019
The occurrence of the poorly understood shark species Odontapsis ferox is reported at an oceanic seamount in the central south Atlantic, within the Exclusive Economic Zone of Ascension Island.
Burgess, George H.   +3 more
core   +2 more sources

Hydrobiological service for observations and control of surface waters in the USSR [PDF]

open access: yes, 1980
Technological progress, having reached in our time an unprecedented speed, is still increasing the rate of mineral extraction, industrial construction, and the mastering of new kinds of energy is growing.
Abakumov, V.A.   +2 more
core  

Fishes of the Mountain Province Section of the Ouachita River [PDF]

open access: yes, 1978
A survey of the fishes of the mountain province section of the Ouachita River from the headwaters to Remmel Dam using field collections, literature records, and museum collections showed the ichthyofauna to be made up of 80 species representing 16 ...
Douglas, Neil H., Harris, John L.
core   +2 more sources

Downstream Ichthyofauna of the Zarafshan River

open access: yesOpen Journal of Animal Sciences, 2022
Aziz Mukhtorovich Kobilov   +2 more
openaire   +1 more source

Fish distribution across altitudinal gradients in the Upper Paraguay River Basin: Implications for conservation in the Pantanal region

open access: yesConservation Science and Practice
Lack of sufficient knowledge of biological diversity is the first barrier to promoting scientifically‐based conservation policies in Neotropical regions, where high diversity and limited sampling remains a challenge.
Adriana Maria Espinoza Fernando   +11 more
doaj   +1 more source

The current status of Adriatic ichthyofauna

open access: yes, 2007
The current fauna of the Adriatic Sea is a result of numerous geological, geographical, climatic and biological influences that took place over the earth's past. Those different environmental factors, mostly of a hydrographic nature, are crucial even today.
Jardas, Ivan, Matić Skoko, Sanja
openaire   +1 more source

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