منابع مشابه
Harbor/Mooring Harbor Defense Concept
The long-term goal of this work is an integrated defense system that provides protection of Navy assets, while in port, from the threat posed by covert swimmers. The general concept is to hail, deter, and/or incapacitate the threat by directing a controlled level of low-frequency acoustic energy at the target location. At the system level, the concept requires combining elements of target detec...
متن کاملSong-type matching between neighbouring song sparrows.
In our study population, neighbouring song sparrows typically share two or more of their 6-10 song types. In an earlier experiment, we found that established neighbours typically reply to playback of neighbour-shared song with a different song they share with that neighbour ('repertoire matching'), rather than with the same song ('type matching') or with a nonshared song. In the present experim...
متن کاملLate song learning in song sparrows
In many oscine species, young males learn songs that match those of their first breeding-season neighbours. Because sharing songs with neighbours may be advantageous, selection should favour birds that retain the capacity to memorize new songs later in their first year as the birds cannot know for sure who their neighbours will be until spring. We investigated whether song sparrows, Melospiza m...
متن کاملCold Spring Harbor Laboratory.
Vice Chairmen Mr. and Mrs. W. Dillaway Ayres, Jr. Dr. Joanne Berger-Sweeney Mr. and Mrs. Hans E.R. Bosch Mr. and Mrs. Matthew J. Bruderman Mr. and Mrs. Eric Carlstrom Mr. and Mrs. James J. Celestino Mr. and Mrs. Edward A. Chernoff Mr. and Mrs. Charles “Casey” Cogut Mr. and Mrs. Michel David-Weill Ms. Florence A. Davis Mr. and Mrs. Nelson DeMille Mr. and Mrs. John M. Desmarais Mr. Martin Elias M...
متن کاملFloating-Harbor syndrome.
Many syndromes are named in an eponymous fashion after the original authors, or occasionally after the original patients, but the name of this syndrome is derived from the hospitals where the first two patients were described. In 1973 Pelletier and Feingold' described a boy seen at the Boston Floating Hospital with short stature, delayed speech development, and a striking facial appearance. A f...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Iowa Review
سال: 1988
ISSN: 0021-065X,2330-0361
DOI: 10.17077/0021-065x.3673