Results 31 to 40 of about 12,801 (205)

Underwater hearing in the great cormorant (Phalacrocorax carbo sinensis): Methodological considerations [PDF]

open access: yesProceedings of Meetings on Acoustics, 2016
The underwater hearing threshold of a great cormorant (Phalacrocroax carbo sinensis) was measured at 2 kHz using psychophysical methods. Previous in-air and underwater testing suggests that cormorants have rather poor in-air hearing compared to other birds of similar size (Johansen, 2016).
Hansen, Kirstin Anderson   +3 more
openaire   +1 more source

Differences in the diet of breeding Cormorants Phalacrocorax carbo sinensis in an inland colony: the effect of years, breeding stages and locations within the colony

open access: yesLimnological Review, 2018
A study of the diet of the Great Cormorant Phalacrocorax carbo sinensis (fish species and size) in (1) different seasons (years), (2) breeding stages (incubation and chick rearing), and (3) breeding areas (center and edge) in the colony in the Dzierżno ...
Buttu Simone   +3 more
doaj   +1 more source

Testing auditory sensitivity in the great cormorant (Phalacrocorax carbo sinensis):Psychophysics vs. Auditory brainstem response [PDF]

open access: yes, 2016
Psychoacoustic and electrophysiological methods were used to measure the in-air hearing sensitivity of the great cormorant (Phalacrocorax carbo sinensis).
Christensen-Dalsgaard, Jakob   +5 more
core   +2 more sources

APPLICATION OF THE GREAT CORMORANT'S (Phalacrocorax carbo sinensis) DAILY MEAL IN THE STIMATION OF DAMAGES AT FISHPONDS [PDF]

open access: yesCroatian Journal of Fisheries, 2004
Daily meal of the Great Cormorant (Phalacrocorax carbo sinensis), joined with the number of birds and composition of fish in the meal, has high importance in total calculation of damage-costs on fish stock.
Anđelko Opačak   +3 more
doaj  

Stomach contents of the great cormorant Phalacrocorax carbo inhabiting northeastern Poland

open access: yesArchives of Polish Fisheries, 2021
The contents of 174 stomachs of great cormorants (Phalacrocorax carbo) inhabiting northeastern Poland were analyzed. Fish and hard parts of fish were found in most of the stomachs. (87.4%). Moreover, nematode and tapeworm parasites were observed in 76.4%
Traczuk Piotr   +2 more
doaj   +1 more source

Weather conditions, distribution of resources feed and dynamics of the spatial structure of the Great Cormorant in the water area of Lake Baikal [PDF]

open access: yesE3S Web of Conferences, 2023
On the basis of long-term observations (2018-2023), the features of the distribution of the Great Cormorant in the water area of Lake Baikal during the mass rise of young birds “on the wing” are considered, depending on the distribution of feed resources
Mel’nikov Yuriy   +2 more
doaj   +1 more source

Great cormorant predation on Cisalpine pike: a conservation conflict [PDF]

open access: yesEuropean Journal of Wildlife Research, 2015
In the last decades, the distribution and abundance of great cormorants have extraordinarily increased throughout Europe. Many studies reported that great cormorants may impact fish populations not only by consuming large number of individuals but also by wounding them.
Delmastro Giovanni B.   +3 more
openaire   +3 more sources

Tracking the History and Ecological Changes of Rising Double-Crested Cormorant Populations Using Pond Sediments from Islands in Eastern Lake Ontario. [PDF]

open access: yesPLoS ONE, 2015
In the Laurentian Great Lakes region, the double-crested cormorant (Phalacrocorax auritus) has seen a thousand-fold population increase in recent decades.
Emily M Stewart   +7 more
doaj   +1 more source

Great Cormorant, Phalacrocorax carbo

open access: yesAcrocephalus, 2005
On february 2004 5 nighe and day roost were spoted allong Bosnia River with over 200 individuas of the Great Cormorant. (UTM BQ27, BQ37, BQ56, BQ66, BQ88)
Mikuška, Tibor, Mikuška, Alma
openaire   +2 more sources

Pedogeochemical Anomalies in Surroundings of Great Cormorant Colony (Case Study in Lithuania)

open access: yesE3S Web of Conferences, 2013
The area where the colony of great cormorants in Curonian Spit (Lithuania) prospers from 1989 is the study object of “Koreko” project. Based on geochemical results of 90 samples of topsoil from 6 zones which differ according to the influence of the great
Taraškevičius R.   +2 more
doaj   +1 more source

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