Results 11 to 20 of about 18,269 (201)

Artificial Wetlands as Breeding Habitats for Colonial Waterbirds within Central Romania

open access: yesDiversity, 2020
The historical loss of natural wetlands in Romania is significant. The building of lakes, ponds, and dams has compensated for some of these losses, as was the case in the study area, the artificial wetlands designated as the Natura 2000 (special ...
Dan Traian Ionescu   +2 more
doaj   +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

New Michigan Tick (Acari: Ixodidae) and Flea (Siphonaptera: Ceratophyllidae) Records From Colonial Nesting Birds [PDF]

open access: yes, 2018
Banding and censusing large numbers of gull chicks over a 30-year period on Great Lakes islands has produced a collection of five individual ticks from two Herring Gull (Larus argentatus) chicks.
Scharf, William C
core   +2 more sources

Cormorant abundance, diet, and foraging habits in Arizona

open access: yesJournal of Field Ornithology, 2022
In Arizona, USA, Double-crested Cormorants (Nannopterum auritum) primarily overwinter, whereas Neotropic Cormorants (N. brasilianum) are common residents year round.
Larisa E. Harding, Jacob I. Mesler
doaj  

Survey of fish enemies from three fish farms in Iraq III. Impacts of predaceous water birds on cultivated fishes

open access: yesالمجلة العراقية للاستزراع المائي, 2022
The present investigation concerned with a thorough survey on the serious impact of the predaceous water birds from three selected fish farms in the country, namely Al- Manahel fish farm (presently called Al-Beilad) in Babylon province, Basrah University/
Sadek. A. Hussein   +2 more
doaj   +1 more source

Developing nondestructive techniques for managing conflicts between fisheries and double‐crested cormorant colonies

open access: yesWildlife Society Bulletin, 2015
Double‐crested cormorants (Phalacrocorax auritus) have been identified as the source of significant mortality to juvenile salmonids (Oncorhynchus spp.) in the Columbia River Basin.
Yasuko Suzuki   +4 more
doaj   +1 more source

Species diversity and composition of Oribatida in former breeding colonies of the great cormorant (Phalacrocorax carbo) in Poland

open access: yesPersian Journal of Acarology, 2023
The great cormorant (Phalacrocorax carbo) is a species that alters ecosystems significantly, mainly by depositions of guano, which changes the chemical properties of soil and can lead even to deforestation as well as have a significant impact on soil ...
Mateusz Oszust, Piotr Klimaszyk
doaj   +1 more source

Determination of total mercury in muscle, intestines, liver and kidney tissues of cormorant (Phalacrocorax carbo), great crested grebe (Podiceps cristatus) and Eurasian buzzard (Buteo buteo)

open access: yesVeterinární Medicína, 2005
The total mercury concentrations in four tissues (muscle, intestines, liver and kidney) of aquatic birds (cormorant - Phalacrocorax carbo and great crested grebe - Podiceps cristatus) and Eurasian buzzard (Buteo buteo) were determined by cold vapour ...
P. Houserova   +5 more
doaj   +1 more source

Diet, Prey Selection and Biomass Consumption of the Great Cormorant (Phalacrocorax carbo) in Algeria

open access: yesZoodiversity, 2022
This is the first study on the diet of the Great Cormorant wintering in Algeria. It is carried out in Beni Haroun, the largest dam lake in the country, in north-east of Algeria. The trophic menu of Phalacrocorax carboin this lake is based on four species
L. Belfethi, R. Moulaï
doaj   +1 more source

Using species distribution models to define nesting habitat of the eastern metapopulation of double‐crested cormorants

open access: yesEcology and Evolution, 2017
When organisms with similar phenotypes have conflicting management and conservation initiatives, approaches are needed to differentiate among subpopulations or discrete groups.
Kate L. Sheehan   +4 more
doaj   +1 more source

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