![]() iii-xiiĭunbar J et al (1999) Levels of bacterial community diversity in four arid soils compared by cultivation and 16S rRNA gene cloning. Microcosms in ecological research, Giesy P (ed). Proc Natl Acad Sci 106:12788–12793ĭraggan S, Reisa JJ (1980) Controlling toxic substances: Historical perspective and future research needs. Ecology 91(5):1466–1476ĭaufresne M et al (2009) Global warming benefits the small in aquatic ecosystems. J Ecol 96:413–420Ĭomte J, Del Giorgio PA (2010) Linking the patterns of change in composition and function in bacterioplankton successions along environmental gradients. Environ Microbiol 11:16–34Ĭleveland CC, Liptzin D (2007) C:N:P stoichiometry in soil: is there a ‘Redfield ratio’ for the microbial biomass? Biogeochemistry 85:235–252Ĭollins SL et al (2008) Pulse dynamics and microbial processes in aridland ecosystems. Ecol Appl 7(4):1099–1102īreitbart M et al (2009) Metagenomic and stable isotopic analyses of modern freshwater microbialites in Cuatro Ciénegas, Mexico. ISME J 5(9):1540īoyle TP, Fairchild JF (1997) The role of mesocosm studies in ecological risk analysis. ![]() Astrobiology 12:659–673īowen JL et al (2011) Microbial community composition in sediments resists perturbation by nutrient enrichment. ![]() Hydrobiologia 159(3):221–222īonilla-Rosso G et al (2012) Comparative metagenomics of two microbial mats at cuatro ciénegas basin II: community structure and composition in oligotrophic environments. Springer, Berlin, pp 281–300īelnap J et al (2004) Response of desert biological soil crusts to alterations in precipitation frequency. In: Biological soil crusts: structure, function, and management. Wiley, Maldenīelnap J et al (2001) Influence of biological soil crusts on soil environments and vascular plants. Environ Microbiol 14(9):2283–2292īegon M et al (2006) Ecology: from individuals to ecosystems, 4th edn. Ecol Evol 5(22):5305–5317īaho DL et al (2012) Resistance and resilience of microbial communities–temporal and spatial insurance against perturbations. Proc Natl Acad Sci 105:11512–11519Īrroyo AI et al (2015) Plant–plant interactions as a mechanism structuring plant diversity in a Mediterranean semi-arid ecosystem. Environ Microbiol 12:1319–1333Īllison SD, Martiny JB (2008) Resistance, resilience, and redundancy in microbial communities. While seeming like a white rhino in a zoo, it might be the only ecosystem of this kind left to learn about what we lost.Īdams HE et al (2010) Temperature controls on aquatic bacterial production and community dynamics in arctic lakes and streams. Nevertheless, the sediment in these fish tanks seems to be recovering its original structure. This ecosystem has now nearly disappeared. Sadly, in one of the sites we have studied better, the Churince ecosystem, its conditions were dire the last time that sediment and water were sampled there. Currently, new experiments are being carried out in “cosms” with replicates of the sediment and water interphase. Although it had been suggested that there was a functional (ecological) equivalence between microbial communities, our results on N 2-fixing microorganisms of two arid ecosystems showed functional differences, even though similar species occur in both systems. How does water availability affect the recovery of microbial communities in disturbed soil patches? How do changes in temperature affect microbial crusts? How do bacterioplankton and bacterial mat communities respond to changes in temperature and UV radiation? What would happen to an oligotrophic environment if there was a high nutrient input? Our results suggested perturbations that influenced community structure and community cohesion were stronger in less fluctuating environments. ![]() The experiments were performed in mesocosm or microcosm model systems, which we call in general “cosm” experiments. How do microbial communities react to different kinds of perturbations and global change scenarios? We analyzed a series of experimental models that represent different ecosystem compartments: bulk soil, soil crusts, water, and sediment. Given the fragility of the Cuatro Cienegas Basin and the danger of its loss, we started to study the variables affecting the resilience of the microbial community using different experimental approaches.
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