The breeding season of the flightless cormorant Nannopterum harrisi at Cabo Hammond, Fernandina
نویسندگان
چکیده
منابع مشابه
Hematology, plasma chemistry, and serology of the flightless cormorant (Phalacrocorax harrisi) in the Galapagos Islands, Ecuador.
The flightless cormorant (Phalacrocorax harrisi) is an endemic species of the Galápagos Islands, Ecuador. Health studies of the species have not previously been conducted. In August 2003, baseline samples were collected from flightless cormorant colonies on the islands of Isabela and Fernandina. Seventy-six birds, from nestlings to adults, were evaluated. Genetic sexing of 70 cormorants reveale...
متن کاملGenetic structure within and between island populations of the flightless cormorant (Phalacrocorax harrisi).
We assessed colony- and island-level genetic differentiation for the flightless cormorant (Phalacrocorax harrisi), an endangered Galápagos endemic that has one of the most limited geographical distributions of any seabird, consisting of only two adjacent islands. We screened 223 individuals from both islands and nine colonies at five microsatellite loci, recovering 23 alleles. We found highly s...
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the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Ibis
سال: 2008
ISSN: 0019-1019
DOI: 10.1111/j.1474-919x.1983.tb03101.x