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Open Access Dissertations
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Re: Is it possible to run gs os on an original II or II plus i was thinking in that moment more about the complex simulations calculated along with the curiosity project Well, running a simulation is a different kettle of fish than running the spacecraft. The desktop is a whole different kettle of fish than a mobile device. For example, there are rafts of software used in companies that won’t work properly on Windows 8 let alone W10. IF they want to make their OS a success in corporate environments then they will have to put in a lot of work. Mate choice and intrasexual competition in convict cichlids, Cichlasoma nigrofasciatum, was investigated in the laboratory, during courtship, nest building, guarding eggs, and guarding fry. During courtship, females were expected to use male body size to indicate quality and to compete for large males. Females and newly introduced males were tested under two conditions: Treatment1-the males.
Title
Author
Date of Award
1987
Degree Type
Dissertation
Degree Name
Doctor of Philosophy in Biological Sciences
Department
Biological Sciences
First Advisor
Frank Heppner
Abstract
Foraging behavior by American White Pelicans (Pelecanuserythrorhyncos was studied in the Lahontan Basin in western Nevada. Pelicans engaged in cooperative fish herding and in kleptoparasitism upon Double Crested cormorants (Phalacrocoraxauritus). Pelicans in groups of size 2 through 6 caught more fish than single birds. Mean strike number increased initially with increasing flock size but leveled off at a flock size of between 3 and 4. strike efficiency (captures/bird/strike) declined with flock size, reaching an asymptote at a flock size of 4. Analysis of the regurgitate of young birds revealed that the pelicans' primary food source consisted of Carp (Cyprinuscarpio) and Tui Chub (Gilabicolor). Analysis of flocks of pelicans arriving and departing from the colony on Anaho Island revealed a peak in total arrivals and departures between 1100 and 1300 hrs. This peak appeared to be constant throughout the season although the total number of birds arriving and departing increased into July. Mean flock size increased from April to July. Thermal flocks departing and arriving at higher altitudes were generally larger than low level counterparts. The evolutionary significance of cooperative foraging is briefly discussed.
Recommended Citation
Anderson, John Guy Thomas, 'Foraging Behavior of American White Pelicans Pelecanus erythrorhyncos' (1987). Open Access Dissertations. Paper 693.
https://digitalcommons.uri.edu/oa_diss/693
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