Results 31 to 40 of about 236 (139)

Site fidelity of wintering cormorants Phalacrocorax carbo sinensis in Europe [PDF]

open access: yesWildlife Biology, 2002
The breeding population of cormorants Phalacrocorax carbo sinensis has expanded more than twenty‐fold in continental Europe since 1970, and these large piscivorous birds cause conflicts with human fishery interests in large parts of Europe, including areas outside their breeding range ...
Frederiksen, M.; id_orcid 0000-0001-5550-0537   +4 more
openaire   +2 more sources

Cypriniform fish in running waters reduce hyporheic oxygen depletion in a eutrophic river

open access: yesFreshwater Biology, Volume 65, Issue 9, Page 1518-1528, September 2020., 2020
Abstract The hyporheic zone is an important habitat for benthic invertebrates and early‐developmental stages of gravel spawning fish. However, the eutrophication of running waters and, in turn, the excessive periphyton biomass leads to its biological clogging.
Dirk Hübner   +4 more
wiley   +1 more source

Competition for food between the Mediterranean shag, the great cormorant and artisanal fisheries: a case study

open access: yesScientia Marina, 2018
The Mediterranean shag (Phalacrocorax aristotelis desmarestii) and the great cormorant (P. carbo sinensis) are syntopic birds in an area encompassing Grosa Island and the Mar Menor coastal lagoon (SE Spain, western Mediterranean) during the breeding ...
Felipe Aguado-Giménez   +4 more
doaj   +1 more source

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  

Changes in physico-chemical conditions and macrophyte abundance in a shallow soft-water lake mediated by a Great Cormorant roosting colony

open access: yesJournal of Limnology, 2014
This study examined the effects of the Great Cormorant (Phalacrocorax carbo sinensis L.) roosting colony on the physico-chemical conditions and macrophyte abundance in a shallow soft-water lobelia lake. We compared data collected in 1998 and 2009, before
Piotr Klimaszyk   +2 more
doaj   +1 more source

Molecular identification, life cycle and histopathology of Contracaecum rudolphii infecting Phalacrocorax carbo sinensis in northern Italy

open access: yesParasitology
Six freshly dead adult great cormorant Phalacrocorax carbo sinensis (Blumenbach, 1798) were collected during the winter season of 2025 from the coast of Canneviè lagoon (Northern Adriatic Sea, Italy). All 6 P.
Bahram Sayyaf Dezfuli   +6 more
doaj   +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

CORMORANT (Phalacrocorax carbo sinensis) AND DAMAGES ON FISH STOCK CAUSED BY CORMORANT HYPER POPULATION [PDF]

open access: yesCroatian Journal of Fisheries, 2002
The results of recent foreign and domestic investigations on the damages found on the fish stock of cyprinid ponds and rivers caused by hyper population of cormorants are presented.
Krešimir Pažur
doaj  

Prey detection by great cormorant (Phalacrocorax carbo sinensis)in clear and in turbid water [PDF]

open access: yesJournal of Experimental Biology, 2008
SUMMARYThe scattering and absorption of light by water molecules and by suspended and dissolved matter (turbidity) degrade image transmission and, thus,underwater perception. We tested the effects on visual detection of prey size and distance (affecting apparent prey size) and of low-level water turbidity in hand-reared great cormorants (Phalacrocorax ...
Tamir, Strod   +3 more
openaire   +2 more sources

Phalacrocorax carbo sinensis in Europe – indigenous or introduced?

open access: yesOrnis Fennica, 2014
Sincemany years now it is rumoured that the inland European cormorant Phalacrocorax carbo sinensis was introduced by Dutchmen from China to Holland in the 16th century to perform cormorant fishing in Europe and thus has to be classified an Invasive Alien Species (IAS).
openaire   +2 more sources

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