Habitat and population size of the coelacanth Latimeria chalumnae at Grand Comoro

1991 ◽  
Vol 32 (1-4) ◽  
pp. 287-300 ◽  
Author(s):  
Hans Fricke ◽  
Karen Hissmann ◽  
J�rgen Schauer ◽  
Olaf Reinicke ◽  
Lutz Kasang ◽  
...  
Keyword(s):  
Population Size ◽  
Latimeria Chalumnae

Habitat and population size of the coelacanth Latimeria chalumnae at Grand Comoro

1991 ◽  
pp. 287-300 ◽  
Author(s):  
Hans Fricke ◽  
Karen Hissmann ◽  
Jürgen Schauer ◽  
Olaf Reinicke ◽  
Lutz Kasang ◽  
...  
Keyword(s):  
Population Size ◽  
Latimeria Chalumnae

Reduction of spermatogonia and testosterone in rat testes flown on space lab-3

1986 ◽  
Vol 44 ◽  
pp. 248-249
Author(s):  
Delbert E. Philpott ◽  
W. Sapp ◽  
C. Williams ◽  
T. Fast ◽  
J. Stevenson ◽  
...  
Keyword(s):  
Social Interaction ◽  
Social Status ◽  
Population Size ◽  
Physiological Response ◽  
Social Rank ◽  
Reproductive Function ◽  
Testicular Development ◽  
Organ Weights ◽  
Reproductive Maturation ◽  
Metabolic Activities

Space Lab 3 (SL-3) was flown on Shuttle Challenger providing an opportunity to measure the effect of spaceflight on rat testes. Cannon developed the idea that organisms react to unfavorable conditions with highly integrated metabolic activities. Selye summarized the manifestations of physiological response to nonspecific stress and he pointed out that atrophy of the gonads always occurred. Many papers have been published showing the effects of social interaction, crowding, peck order and confinement. Flickinger showed delayed testicular development in subordinate roosters influenced by group numbers, social rank and social status. Christian reported increasing population size in mice resulted in adrenal hypertrophy, inhibition of reproductive maturation and loss of reproductive function in adults. Sex organ weights also declined. Two male dogs were flown on Cosmos 110 for 22 days. Fedorova reported an increase of 30 to 70% atypical spermatozoa consisting of tail curling and/or the absence of a tail.

Estimating Population Size and the Number of Duplicates on Two Lists Based only on Birth Dates

2013 ◽  
Author(s):  
Eugene Laska ◽  
Morris Meisner ◽  
Carole Siegel
Keyword(s):  
Population Size

Effective population size of the critically endangered east Australian grey nurse shark Carcharias taurus

2019 ◽  
Vol 610 ◽  
pp. 137-148 ◽  
Author(s):  
S Reid-Anderson ◽  
K Bilgmann ◽  
A Stow
Keyword(s):  
Population Size ◽  
Effective Population Size ◽  
Critically Endangered ◽  
Effective Population ◽  
Nurse Shark ◽  
Carcharias Taurus

An Artificial Immune System with Feedback Mechanisms for Effective Handling of Population Size

2010 ◽  
Vol E93-A (2) ◽  
pp. 532-541 ◽  
Author(s):  
Shangce GAO ◽  
Rong-Long WANG ◽  
Masahiro ISHII ◽  
Zheng TANG
Keyword(s):  
Immune System ◽  
Population Size ◽  
Artificial Immune System ◽  
Artificial Immune ◽  
Feedback Mechanisms
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