Abed RMM, Al Kharusi S, Schramm A, Robinson MD (2010) Bacterial diversity, pigments and nitrogen fixation of biological desert crusts from the Sultanate of Oman. FEMS Microbiol Ecol 72:418–428
Article
Google Scholar
Aguilar AJ, Huber-Sannwald E, Belnap J, Smart DR, Moreno JTA (2009) Biological soil crusts exhibit a dynamic response to seasonal rain and release from grazing with implications for soil stability. J Arid Environ 73:1158–1169
Article
Google Scholar
Altschul S, Madden T, Schaffer A, Zhang JH, Zhang Z, Miller W, Lipman D (1998) Gapped blast and psi-blast: a new generation of protein database search programs. FASEB J 12:102
Google Scholar
Bailey MJ (1994) Description of the ecoregions of the US. USDA Forest Service, Washington DC
Google Scholar
Barger NN, Belnap J, Ojima DS, Mosier A (2005) NO gas loss from biologically crusted soils in Canyonlands National Park, Utah. Biogeochemistry 75:373–391
Article
Google Scholar
Belnap J (2002) Nitrogen fixation in biological soil crusts from Southeast Utah, USA. Biol Fertil Soils 35:128–135
Article
Google Scholar
Belnap J, Gillette DA (1998) Vulnerability of desert biological soil crusts to wind erosion: the influences of crust development, soil texture, and disturbance. J Arid Environ 39:133–142
Article
Google Scholar
Belnap J, Phillips SL, Miller ME (2004) Response of desert biological soil crusts to alterations in precipitation frequency. Oecologia 141:306–316
Article
Google Scholar
Beraldi-Campesi H, Hartnett HE, Anbar A, Gordon GW, Garcia-Pichel F (2009) Effect of biological soil crusts on soil elemental concentrations: implications for biogeochemistry and as traceable biosignatures of ancient life on land. Geobiology 7:348–359
Article
Google Scholar
Cable JM, Huxman TE (2004) Precipitation pulse size effects on Sonoran desert soil microbial crusts. Oecologia 141:317–324
Article
Google Scholar
Evans RD, Johansen JR (1999) Microbiotic crusts and ecosystem processes. Crit Rev Plant Sci 18:183–225
Article
Google Scholar
Evans RD, Lange OL (2001) Biological soil crusts and ecosystem nitrogen and carbon dynamics. In: Belnap J, Lange OL (eds) Biological soil crusts: structure, function, and management. Springer, Berlin, pp 263–279
Google Scholar
Garcia-Pichel F, Belnap J (1996) Microenvironments and microscale productivity of cyanobacterial desert crusts. J Phycol 32:774–782
Article
Google Scholar
Garcia-Pichel F, Lopez-Cortes A, Nübel U (2001) Phylogenetic and morphological diversity of cyanobacteria in soil desert crusts from the Colorado plateau. Appl Environ Microbiol 67:1902–1910
Article
Google Scholar
Garcia-Pichel F, Wade BD, Farmer JD (2002) Jet-suspended, calcite-ballasted cyanobacterial waterwarts in a desert spring. J Phycol 38(3):420–428
Google Scholar
Garcia-Pichel F, Johnson SL, Youngkin D, Belnap J (2003) Small-scale vertical distribution of bacterial biomass and diversity in biological soil crusts from arid lands in the Colorado plateau. Microb Ecol 46:312–321
Article
Google Scholar
Groffmann PM, Tiedje JM (1989) Denitrification in north temperate forest soils—spatial and temporal patterns at the landscape and seasonal scales. Soil Biol Biochem 21:613–620
Article
Google Scholar
Gundlapally SR, Garcia-Pichel F (2006) The community and phylogenetic diversity of biological soil crusts in the Colorado plateau studied by molecular fingerprinting and intensive cultivation. Microb Ecol 52:345–357
Article
Google Scholar
Hardy RWF, Burns RC, Holsten RD (1973) Applications of the acetylene-ethylene assay for measurement of nitrogen fixation. Soil Biol Biochem 5:47–81
Article
Google Scholar
Harper KT, Belnap J (2001) The influence of biological soil crusts on mineral uptake by associated vascular plants. J Arid Environ 47:347–357
Article
Google Scholar
Hooper DU, Johnson L (1999) Nitrogen limitation in dryland ecosystems: responses to geographical and temporal variation in precipitation. Biogeochemistry 46:247–293
Google Scholar
Jeffries DL, Link SO, Klopatek JM (1993) CO2 fluxes of cryptogamic crusts: response to dehydration. New Phytol 125:391–396
Article
Google Scholar
Jetten MSM, Strous M, van de Pas-Schoonen KT, Schalk J, van Dongen U, van de Graaf AA, Logemann S, Muyzer G, van Loosdrecht MCM, Kuenen JG (1998) The anaerobic oxidation of ammonium. FEMS Microbiol Rev 22:421–437
Article
Google Scholar
Johnson SL, Budinoff CR, Belnap J, Garcia-Pichel F (2005) Relevance of ammonium oxidation within biological soil crust communities. Environ Microbiol 7:1–12
Article
Google Scholar
Johnson SL, Neuer S, Garcia-Pichel F (2007) Export of nitrogenous compounds due to incomplete cycling within biological soil crusts of arid lands. Environ Microbiol 9:680–689
Article
Google Scholar
Lajtha K, Schlesinger WH (1986) Plant response to variations in nitrogen availability in a desert shrubland community. Biogeochemistry 2:29–37
Article
Google Scholar
Lange OL (2001) Photosynthesis of soil-crust biota as dependent on environmental factors. In: Belnap J, Lange OL (eds) Biological soil crusts: structure, function, and management. Ecological studies, vol 150. Springer, Berlin, pp 217–240
Chapter
Google Scholar
MacMahon JA (1987) Disturbed lands and ecological theory. In: Jordan W (ed) Restoration ecology: a synthetic approach to ecological research. Cambridge University Press, New York
Google Scholar
McCalley CK, Sparks JP (2008) Controls over nitric oxide and ammonia emissions from Mojave desert soils. Oecologia 156:871–881
Article
Google Scholar
McCalley CK, Sparks JP (2009) Abiotic gas formation drives loss from a desert ecosystem. Science 326:837–840
Article
Google Scholar
McClain ME, Boyer EW, Dent CL, Gergel SE, Grimm NB, Groffman PM, Hart SC, Harvey JW, Johnston CA, Mayorga E, McDowell WH, Pinay G (2003) Biogeochemical hotspots and hot moments at the interface of terrestrial and aquatic ecosystems. Ecosystems 6:301–312
Article
Google Scholar
Minitab (2006) Minitab statistical software, release 15 for Windows. State College, PA
Google Scholar
Muyzer G, Teske A, Wirsen CO, Jannasch HW (1995) Phylogenetic-relationships of Thiomicrospira species and their identification in deep-sea hydrothermal vent samples by denaturing gradient gel-electrophoresis of 16s rDNA fragments. Arch Microbiol 164:165–172
Article
Google Scholar
Nagy ML, Perez A, Garcia-Pichel F (2005) The prokaryotic diversity of biological soil crusts in the Sonoran desert (Organ Pipe Cactus National Monument, AZ). FEMS Microbiol Ecol 54:233–245
Article
Google Scholar
Nohrstedt H-O (1983) Conversion factor between acetylene reduction and nitrogen fixation in soil: effect of water content and nitrogenase activity. Soil Biol Biochem 15:275–279
Article
Google Scholar
Nübel U, Garcia-Pichel F, Kuhl M, Muyzer G (1999) Quantifying microbial diversity: morphotypes, 16S rRNAgenes, and carotenoids of oxygenic phototrophs in microbial mats. Appl Environ Microbiol 65:422–430
Google Scholar
Peterjohn WT (1991) Denitrification: enzyme content and activity in desert soils. Soil Biol Biochem 23:845–855
Article
Google Scholar
Peterjohn WT, Schlesinger WH (1990) Nitrogen loss from deserts in the Southwestern United States. Biogeochemistry 10:67–79
Article
Google Scholar
Rothrock MJ, Garcia-Pichel F (2005) Microbial diversity of benthic mats along a tidal desiccation gradient. Environ Microbiol 7:593–601
Article
Google Scholar
Soule T, Anderson I, Johnson SL, Bates S, Garcia-Pichel F (2009) Archaeal populations in biological soil crusts from arid lands in North America. Soil Biol Biochem 41:2069–2074
Article
Google Scholar
Thamdrup B, Dalsgaard T (2002) Production of N-2 through anaerobic ammonium oxidation coupled to nitrate reduction in marine sediments. Appl Environ Microbiol 68:1312–1318
Article
Google Scholar
van de Graaf AA, Mulder A, Debruijn P, Jetten MSM, Robertson LA, Kuenen JG (1995) Anaerobic oxidation of ammonium is a biologically mediated process. Appl Environ Microbiol 61:1246–1251
Google Scholar
Walvoord MA, Phillips FM, Stonestrom DA, Evans RD, Hartsough PC, Newman BD, Striegl RG (2003) A reservoir of nitrate beneath desert soils. Science 302:1021–1024
Article
Google Scholar
Yeager CM, Kornosky JL, Morgan RE, Cain EC, Garcia-Pichel F, Housman DC, Belnap J, Kuske CR (2007) Three distinct clades of cultured heterocystous cyanobacteria constitute the dominant N-2-fixing members of biological soil crusts of the Colorado plateau, USA. FEMS Microbiol Ecol 60:85–97
Article
Google Scholar