Population - Revision history

Michel Lamontagne: /* Biological requirements */

2019-05-11T20:13:11Z

Biological requirements

Michel Lamontagne: /* Social support */

2019-05-11T20:11:37Z

Social support

Michel Lamontagne: /* Social */

2019-05-11T20:10:25Z

Social

Michel Lamontagne at 16:52, 8 April 2019

2019-04-08T16:52:14Z

Michel Lamontagne at 16:50, 8 April 2019

2019-04-08T16:50:26Z

Jburk at 18:35, 18 December 2018

2018-12-18T18:35:36Z

Spriditis: Undo revision 6083 by 119.73.244.162 (Talk) vandalism

2011-11-05T14:24:28Z

Undo revision 6083 by 119.73.244.162 (Talk) vandalism

119.73.244.162: /* Open issues */

2011-11-05T03:49:44Z

Open issues

Spriditis: Undo revision 6034 by 12.133.183.126 (Talk) vandalism

2011-11-03T15:38:05Z

Undo revision 6034 by 12.133.183.126 (Talk) vandalism

12.133.183.126: /* Skills */

2011-11-03T05:19:28Z

Skills

@@ Line 51: / Line 51: @@
 What is the minimum size of a human population to avoid inbreeding effects?  Studies have established the minimum population at a few hundred individuals.  Se of frozen sperm, eggs or embryos might supply additional genetic diversity.
-A study for Interstellar Exploration by xx proposed a minimum population at about 40 000 individuals to allow the possibility of survival in case of catastrophe.
+A study for Interstellar Exploration by Cameron Smith<ref>https://www.space.com/26603-interstellar-starship-colony-population-size.html</ref> proposed a minimum population at about 40 000 individuals to allow the possibility of survival in case of catastrophe.
 ===Social requirements===
 The needs of diverse skills in a technological society require a much large group than the basic biological diversity.  The need for above average individuals and their influence on society also requires a larger population base to provide the statistical possibility of exception.
 [[Category:Society]]

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 Living on Earth will always be an alternative to living on Mars.  So a martian society will need to provide sufficient opportunities to its members, in particular to younger individuals, to keep them interested in living on Mars.
-=== Criminality ===
+===Criminality===
 Criminality in a highly technological society.  When an action against the technological support system of the colony can imperil the entire population, what is the proper response to criminality?
-=== Social support ===
+===Social support===
 A Martian Society is likely to be a high energy society, with high individual productivity.  What can be done with less productive individuals, including the young, the elderly and the physically limited individuals?  This question relates to what is the fundamental purpose of a society.  Although a martian settlement may start out as a group of exceptional individuals, it will necessarily average out over time.  Children need to be educated, and therefore require time.  The elderly have heavily invested in the society, and expect returns.  And in many cases, own a large part of the production facilities, possibly in indirect ways (pensions and private funds, for example), and will get services from their revenue from these facilities.
 Diversity is a fundamental need of a group, society or ecosystem.  Robustness comes through diversity.  And diversity, due to statistical requirements, includes both very able individuals and less capable individuals.  It is statistically impossible to have a 'normal' population composed entirely of healthy and performing individuals.  So any society needs to value this diversity, as this mechanism and spread in capabilities is part of what makes it capable of surviving different experiences and hardships.
-As a group, individuals have ties with all other types of individuals be they the most able or disabled. So individuals will require from the society that houses them that it takes care of its less able members, are they will have personal ties with them.  Perceptive individuals should also realize that circumstances change, and that when they, as able individuals become disabled, through age or accident, would like to receive proper and adequate care.
+As a group, individuals have ties with all other types of individuals, be they equal, more able or less abled. So individuals will require from the society that houses them that it takes care of its less able members, are they will have personal ties with them.  Perceptive individuals should also realize that circumstances change, and that when they, as able individuals become disabled, through age or accident, would certainly like and expect to receive proper and adequate care.
-== Minimum population size ==
+==Minimum population size==
 Minimum population sizes have been explored extensively, through the aspects of historical perspectives, biological requirements and social requirements.  The cultural inheritance of skills in the case of an isolated society would require a large number of individuals,  However, one should hope than in most future cases, Earth will remain as a reservoir of both genetic diversity and cultural skills.
-=== Historical perspective ===
+===Historical perspective===
 Polynesian cultures
 Isolated cultures. Pitcairn islanders.  Greenland.
-=== Biological requirements ===
+===Biological requirements===
 What is the minimum size of a human population to avoid inbreeding effects?  Studies have established the minimum population at a few hundred individuals.  Se of frozen sperm, eggs or embryos might supply additional genetic diversity.
 A study for Interstellar Exploration by xx proposed a minimum population at about 40 000 individuals to allow the possibility of survival in case of catastrophe.
-=== Social requirements ===
+===Social requirements===
 The needs of diverse skills in a technological society require a much large group than the basic biological diversity.  The need for above average individuals and their influence on society also requires a larger population base to provide the statistical possibility of exception.
 [[Category:Society]]

@@ Line 30: / Line 30: @@
 Living on Earth will always be an alternative to living on Mars.  So a martian society will need to provide sufficient opportunities to its members, in particular to younger individuals, to keep them interested in living on Mars.
-==Open issues==
+=== Criminality ===
-*What is the minimum size of a human population to avoid inbreeding effects?
+=== Social support ===
-*Criminality in a highly technological society.  When an action against the technological support system of the colony can imperil the entire population, what is the proper response to criminality?
+A Martian Society is likely to be a high energy society, with high individual productivity.  What can be done with less productive individuals, including the young, the elderly and the physically limited individuals?  This question relates to what is the fundamental purpose of a society.  Although a martian settlement may start out as a group of exceptional individuals, it will necessarily average out over time.  Children need to be educated, and therefore require time.  The elderly have heavily invested in the society, and expect returns.  And in many cases, own a large part of the production facilities, possibly in indirect ways (pensions and private funds, for example), and will get services from their revenue from these facilities.
 [[Category:Society]]

← Older revision		Revision as of 16:52, 8 April 2019
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	So population growth is likely to be done mainly through immigration. And the colony will need to limit emigration to retain the skill set required for an autonomous colony. Population growth is limited by the availability of resources, in particular the availability of energy on Mars. It is also limited by the transportation system available from Earth to Mars.		So population growth is likely to be done mainly through immigration. And the colony will need to limit emigration to retain the skill set required for an autonomous colony. Population growth is limited by the availability of resources, in particular the availability of energy on Mars. It is also limited by the transportation system available from Earth to Mars.
		+
		+	Population growth rate is a variable that is highly dependent on conditions on both Earth and Mars.

	==Skills==		==Skills==

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 The composition of the '''Population''' of a [[colony]] on [[Mars]] will be subject to several conditions. This article tries to outline the case of a growing [[autonomous colony]].
 ==Skills==
-There are many different tasks for the colonists to carry out. Mars is an alien world and bears imponderable conditions. People may have the need to improvise. The following skills are vital:
+There are many different tasks for the colonists to carry out. Mars is an alien world and bears imponderable conditions. People will need to improvise. The following skills are vital:
 *Profound knowledge and experience in technical matters and engineering
-*Scientific expertise in [[:Category:Geology|Geology]], [[:Category:Biospherics|Biology]], [[:Category:Health|Medicine]] and [[radiation|Radiology]]
+*Profound knowledge and experience in technical matters and engineering
-*[[:category:Agriculture|Agricultural]] knowledge
+*Scientific expertise in [[:Category:Geology|Geology]], [[:Category:Biospherics|Biology]], [[:Category:Health|Medicine]] and [[radiation|Radiology]]
-*Capabilities for [[Education]], Nursery and Psychology
+*[[:category:Agriculture|Agricultural]] knowledge
 ==Supply==
-The size of the human population must not be too big due to the risk of [[overpopulation]], causing lack of [[food]] and [[natural resources|resources]].
+The size of the human population must not be too big due to the risk of [[overpopulation]], causing lack of [[food]] and [[natural resources|resources]].  It must also be high enough to maintain the required skill set necessary for maintenance and expansion.  As colony growth is likely to be mainly through immigration it should be possible to regulate immigration in order to control population.  Illegal immigration to Mars is unlikely to be a significant problem due to the difficulty of procuring adequate transportation.  At least for the first century or so.
 ==Biological==
-The size of the human population must not be too small due to the risk of [[inbreeding depression]].
+The size of the human population must not be too small due to the risk of [[inbreeding depression]].  However Mars is not isolated from Earth, baring catastrophe, and immigration should solve this issue.  Eventually, as one of the aims of the colony is self sufficiency, the size of the population will need to be significant, both for genetic diversity but also for skill diversity.  A martian culture cannot allow itself to loose too many technical skills or it will collapse through technological failure.
 ==Social==
-A group of male individuals tend to be more aggressive than a mixed group of males and females. The mix in age of the individuals has an effect, too.
+A group of male individuals tend to be more aggressive than a mixed group of males and females. The mix in age of the individuals has an effect, too.  An entirely male colony is hardly a colony, in the sense that it has no possibility of self perpetuation, unless significant progress is made in artificial gestation.  The same could be said for an entirely female population, although in that case there already are technological solutions to the absence of males.
 While the first Martian settlers, who grew up on [[Earth]], will be full of [[morale|enthusiasm]], the next generation might have a different attitude. This has to be taken into account. An initial population of mixed age can reduce the effect of division into groups with different interests.
 ==Open issues==
 *What is the minimum size of a human population to avoid inbreeding effects?
 [[Category:Society]]

← Older revision		Revision as of 18:35, 18 December 2018
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	*What is the minimum size of a human population to avoid inbreeding effects?		*What is the minimum size of a human population to avoid inbreeding effects?

−	[[Category: ~~Human Considerations]]~~	+	[[Category:Society]]
−	~~[[Category:Concepts~~]]

← Older revision		Revision as of 14:24, 5 November 2011
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	While the first Martian settlers, who grew up on [[Earth]], will be full of [[morale\|enthusiasm]], the next generation might have a different attitude. This has to be taken into account. An initial population of mixed age can reduce the effect of division into groups with different interests.		While the first Martian settlers, who grew up on [[Earth]], will be full of [[morale\|enthusiasm]], the next generation might have a different attitude. This has to be taken into account. An initial population of mixed age can reduce the effect of division into groups with different interests.

−	~~I found just what I was needed, and it was entreatining!~~	+	==Open issues==
		+	*What is the minimum size of a human population to avoid inbreeding effects?
		+
		+	[[Category: Human Considerations]]
		+	[[Category:Concepts]]

← Older revision		Revision as of 03:49, 5 November 2011
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	While the first Martian settlers, who grew up on [[Earth]], will be full of [[morale\|enthusiasm]], the next generation might have a different attitude. This has to be taken into account. An initial population of mixed age can reduce the effect of division into groups with different interests.		While the first Martian settlers, who grew up on [[Earth]], will be full of [[morale\|enthusiasm]], the next generation might have a different attitude. This has to be taken into account. An initial population of mixed age can reduce the effect of division into groups with different interests.

−	~~==Open issues==~~	+	I found just what I was needed, and it was entreatining!
−	*What is the minimum size of a human population to avoid inbreeding effects?
−
−	~~[[Category: Human Considerations]]~~
−	~~[[Category:Concepts]]~~