Abstract: Agricultural systems for space have been discussed since the works of Tsiolkovsky in the early 20th century. Central to the concept is the use of photosynthetic organisms and light to generate oxygen and food. Research in the area started in 1950s and 60s through the works of Jack Myers and others, who studied algae for O2 production and CO2 removal for the US Air Force and NASA. Studies on algal production and controlled environment agriculture were also carried out by Russian researchers in Krasnoyarsk, beginning in 1960s. NASA initiated its CELSS Program ca. 1980 with testing focused on controlled environment production of some plants. Related tests with humans and crops were conducted at NASA’s Johnson Space Center in the 1990s. The European Space Agency MELiSSA Project began in the late 1980s and pursued ecological approaches for providing gas, water and materials recycling for space life support, and later expanded to include plant testing.As a result of these and other (Japan, Canada, China) studies for space agriculture novel technologies and findings have been produced. The theme of agriculture for space has contributed to, and benefited from terrestrial, controlled environment agriculture and will continue doing so into the future.

Keywords: Waste recycling, Algal production, Controlled Environment Agriculture, Photosynthesis, Advanced Life-Support, Vertical Farming, Bioregenerative, Space crops, Agriculture for Space, Space

References:
Tolley-Henry, L. and C.D. Raper Jr. 1986. Utilization of ammonium as a nitrogen source. Effects of ambient acidity on growth and nitrogen accumulation by soybean. Plant Physiol., 82, 54-60
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Tikhomirov A.A., S.A. Ushakova, N.S. Manukovsky, G.M. Lisovsky, Yu. A. Kudenko, Kovalev, I.V. Gribovskaya, L.S. Tirranen, I.G. Zolotukhin, J.B. Gros, Ch. Lasseur. 2003. Synthesis of biomass and utilization of plants wastes in a physical model of biological life-support system. Acta Astronautica, 53, 249-257
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Abstract: Many places on Earth have been used as analogs of space vehicles, with the goal of understanding the pressures and stresses of a long-duration spaceflight such as a round-trip voyage to Mars. One of these is the situation common to many of the aged, especially those who live in group housing: planned communities, assisted living centers, or nursing homes. This paper looks at the lessons that space psychology and geriatric psychology can teach each other. Traditionally, both the literature on aging and that on spaceflight have focused on the problems that their population of interest experiences, and on what can be done to alleviate the negative effects of those problems – or, more familiarly, on countermeasures. The problems are due to or mediated by, stress, which is a common factor in both literatures.There are many common factors related to successful aging and successful spaceflight. Increased cross-flow of ideas between the two research communities would be fruitful.

Keywords: Isolated Environment, Geriatric psychology, Long-duration spaceflight, Psychological reaction, Aging, Space psychology, Stressors, ISS, Sleep deprivation, Depression

References:
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M. Basner, D.F. Dinges, D.J. Millicone, I. Savelev, A.J. Ecker, A. Di Antonio, et al. Psychological and behavioral changes during confinement in a 520-day simulated interplanetary mission to Mars PLOS ONE (2014). http://dx.doi.org/10.1371/journal.pone.0093298
P.B.

Abstract: Studies on the relationships between humans and microbes in space habitation environments are critical for success in long-duration space missions, to reduce potential hazards to the crew and the spacecraft infrastructure. We performed microbial monitoring in the Japanese Experiment Module “Kibo”, a part of the International Space Station, for 4 years after its completion, and analyzed samples with modern molecular microbiological techniques. Sampling was performed in September 2009, February 2011, and October 2012. The surface of the incubator, inside the door of the incubator, an air intake, air diffuser, and handrail were selected as sampling sites. Sampling was performed using the optimized swabbing method. Abundance and phylogenetic affiliation of bacteria on the interior surfaces of Kibo were determined by quantitative PCR and pyrosequencing, respectively. Bacteria in the phyla Proteobacteria (γ-subclass) and Firmicutes were frequently detected on the interior surfaces in Kibo. Families Staphylococcaceae and Enterobacteriaceae were dominant. Most bacteria detected belonged to the human microbiota; thus, we suggest that the bacterial cells are transferred to the surfaces in Kibo from the astronauts. Environmental bacteria such as Legionella spp. were also detected. From the data on bacterial abundance and phylogenetic affiliation, Kibo has been microbiologically well maintained; however, the microbial community structure in Kibo may change with prolonged stay of astronauts. Continuous monitoring is required to obtain information on changes in the microbial community structure in Kibo.

Keywords: Swabbing method, Bacterial monitoring, Kibo, International Space Station, Space Studies, Environmental Sciences, Microbiology, Space habitat, Bacterial virulence, Long space missions

References:
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Ichijo, T., Hieda, H., Ishihara, R., Yamaguchi, N. & Nasu, M.Bacterial monitoring with adhesive sheet in the International S