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Composition of the Hawaiian Monk Seal Population at Kure Atoll, 1990
|Title:||Composition of the Hawaiian Monk Seal Population at Kure Atoll, 1990|
|Authors:||Van Toorenburg, Richard A.|
Gilmartin, William G.
Henderson, John R.
|Date Issued:||Jul 1993|
|Publisher:||University of Hawaii Press|
|Citation:||Van Toorenburg RA, Gilmartin WG, Henderson JR. 1993. Composition of the Hawaiian monk seal population at Kure Atoll, 1990. Pac Sci 47(3): 211-214.|
|Abstract:||Population recovery-related management actions have been
taken to rebuild the endangered Hawaiian monk seal (Monachus schauinslandi
Matschie) colony at Kure Atoll in the Northwestern Hawaiian Islands since
1981. In 1990, composition of the Kure population was determined by a combination
of methods to identify all seals using the atoll. The resident 1990 population
included 75 seals, and an increasing trend in the mean annual beach count of
seals over the last decade is apparent. Two major changes have occurred in the
population since 1985. A shift in the adult sex ratio (males/females), from 2.7: 1
to 0.8: 1, has developed and appears to be due to both adult male losses and
increased recruitment of females. Also, the declining trend in births apparent
between 1981 and 1986 has been reversed. These findings suggest cause for
optimism for the continued growth of this population.
|Appears in Collections:||
Pacific Science Volume 47, Number 3, 1993|
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