Results 21 to 30 of about 12,695 (213)

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

Plasma Biochemistries and Morphometric Indices of Body Condition in Imperial Cormorant (Phalacrocorax atriceps) Chicks [PDF]

open access: yes, 2017
Plasma biochemistries provide a complementary method for assessing physiological and nutritional status of free-ranging wild birds. Triglycerides, total protein and alkaline phosphatase were determined in 110 free-living Imperial Cormorant (Phalacrocorax
Gallo, Luciana   +3 more
core   +1 more source

Protozoal encephalitis associated with Sarcocystis calchasi and S. falcatula during an epizootic involving Brandt's cormorants (Phalacrocorax penicillatus) in coastal Southern California, USA

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2020
Between March and May 2019, wildlife rehabilitation centers along coastal southern California admitted increased numbers of Brandt's cormorants (Phalacrocorax penicillatus) with neurological disease including head tilt, nystagmus, torticollis, tremors ...
Ozge Erdogan Bamac   +8 more
doaj   +1 more source

Feeding ecology and epizootological value of the Great Cormorant (Phalacrocorax carbo) during the secondary expansion of the Baikal region

open access: yesЮг России: экология, развитие, 2022
Aim. To research the Great Cormorant (Phalacrocorax carbo L., 1758) ecology during the secondary expansion of the Baikal region.Material and Methods. The material for studying cormorant nutrition was 28 stomachs of harvested birds, visual observations of
E. N. Yelayev   +7 more
doaj   +1 more source

Roosting Colony of Cormorants (Phalacrocorax Carbo Sinensis L.) as a Source of Nutrients for the Lake

open access: yesLimnological Review, 2015
Since 2005, great cormorants have been observed on the Lake Góreckie (Wielkopolski National Park) shoreline. The population of these birds occurring within the lake has gradually increased. In autumn 2008, more than 100 individuals were observed.
Piotr Klimaszyk   +2 more
doaj   +1 more source

Some observations on Seabirds breeding in the Tsitsikamma Coastal National Park.

open access: yesKoedoe: African Protected Area Conservation and Science, 1983
In 1980 and 1981 more than 50 pairs of kelp gulls Lams dominicanus, 70 of Cape cormorants Phalacrocorax capensis and 20 of whitebreasted cormorants P. carbo nested in the Tsitsikamma Coastal National Park.
R. J. M Crawford
doaj   +1 more source

Use of social information in seabirds: compass rafts indicate the heading of food patches. [PDF]

open access: yesPLoS ONE, 2010
Ward and Zahavi suggested in 1973 that colonies could serve as information centres, through a transfer of information on the location of food resources between unrelated individuals (Information Centre Hypothesis).
Henri Weimerskirch   +4 more
doaj   +1 more source

Metabolic rate throughout the annual cycle reveals the demands of an Arctic existence in Great Cormorants [PDF]

open access: yes, 2011
Aquatic endotherms living in polar regions are faced with a multitude of challenges, including low air and water temperatures and low illumination, especially in winter. Like other endotherms from cold environments, Great Cormorants (Phalacrocorax carbo)
Ancel A.   +17 more
core   +1 more source

Estimating potential menhaden consumption by double-crested cormorants along the coast of North Carolina

open access: yesFrontiers in Marine Science, 2023
The south Atlantic coast supports one of the highest assemblages of non-breeding double-crested cormorants (Nannopterum auritum) known and is a convergence area for Atlantic menhaden (Brevoortia tyrannus) during the winter months.
Bryan D. Watts   +3 more
doaj   +1 more source

Determining trophic niche width: a novel approach using stable isotope analysis [PDF]

open access: yes, 2004
1. Although conceptually robust, it has proven difficult to find practical measures of niche width that are simple to obtain, yet provide an adequate descriptor of the ecological position of the population examined. 2.
Adams, C.E.   +4 more
core   +1 more source

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