نتایج جستجو برای: migration patterns

تعداد نتایج: 544541  

Journal: :Pacific Symposium on Biocomputing. Pacific Symposium on Biocomputing 1996
K Downing

This research uses object-oriented simulation to derive the migratory patterns of animal populations. These patterns are then compared with the trajectories of aquatic pollutant releases to yield quantitative biological impact assessments. These estimates are more realistic than those based on assumptions of uniform or random distributions of animals in a region--a common approach to this probl...

2014
Hang-Hyun Jo Jari Saramäki Robin I. M. Dunbar Kimmo Kaski

The dynamics of close relationships is important for understanding the migration patterns of individual life-courses. The bottom-up approach to this subject by social scientists has been limited by sample size, while the more recent top-down approach using large-scale datasets suffers from a lack of detail about the human individuals. We incorporate the geographic and demographic information of...

2003
ROBERT W. BUTLER RONALD C. YDENBERG DAVID B. LANK

We suggest that the spatial and temporal patterns of danger arising from the annual migration of birds of prey has important implications for patterns of habitat use and for the evolution of wader annual movement patterns and annual cycles. We discuss how waders might respond to danger by their choice of migration routes, the time of year they choose to migrate, the quantity of fuel they carry,...

Journal: :Journal of Marine Systems 2021

Vertical distribution and size-dependent migrations of the pelagic tunicate Salpa thompsoni were studied during late summer to early autumn (26th February – 15th March 2018) at contrasting hydrological stations over Kerguelen Plateau (Southern Indian Ocean). migrators, such as S. thompsoni, have potentially significant impacts on biological pump because their large swarms, high grazing/fecal pe...

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