Reference health
Contribution of cryptogamic covers to the global cycles of carbon and nitrogen
26/26 checkable references clean · checked 2026-08-03
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
4 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 26 checked references that resolve
resolves10.1111/j.1438-8677.1999.tb00250.x
Influence of Microclimate on the Occurrence of Cyanobacteria in the Phyllosphere in a Premontane Rain Forest of Costa Rica
resolves10.1007/s00254-007-1130-y
Biological soil crust development and its topsoil properties in the process of dune stabilization, Inner Mongolia, China
resolves10.1016/j.soilbio.2009.11.003
Plants and biological soil crusts modulate the dominance of N forms in a semi-arid grassland
resolves10.1111/j.1526-100X.2006.00185.x
Biological Soil Crust Rehabilitation in Theory and Practice: An Underexploited Opportunity
resolves10.1016/j.apsoil.2011.04.013
Rapid succession of Biological Soil Crusts after experimental disturbance in the Succulent Karoo, South Africa
resolves10.1007/s10533-005-1424-7
Impacts of Biological Soil Crust Disturbance and Composition on C and N Loss from Water Erosion
resolves10.1126/science.1061457
Molecular Evidence for the Early Colonization of Land by Fungi and Plants
resolves10.1098/rspb.2008.0808
The earliest stages of ecosystem succession in high-elevation (5000 metres above sea level), recently deglaciated soils
resolves10.2307/2388298
Nitrogenase Activity by Hapalosiphon flexuosus Associated With Sphagnum erythrocalyx Mats in the Cloud Forest on the Volcano La Soufriere, Guadeloupe, French West Indies
resolves10.1016/j.rse.2004.12.011
Improvements of the MODIS terrestrial gross and net primary production global data set
resolves10.1126/science.281.5374.237
Primary Production of the Biosphere: Integrating Terrestrial and Oceanic Components
resolves10.1038/nature07028
A unifying framework for dinitrogen fixation in the terrestrial biosphere
resolves10.1038/nature04486
Nitrogen limitation constrains sustainability of ecosystem response to CO2
resolves10.1890/06-2057.1
NITROGEN LIMITATION OF NET PRIMARY PRODUCTIVITY IN TERRESTRIAL ECOSYSTEMS IS GLOBALLY DISTRIBUTED
resolves10.1146/annurev-ecolsys-102710-145034
Functional Ecology of Free-Living Nitrogen Fixation: A Contemporary Perspective
resolves10.1038/ngeo1164
Nitric acid photolysis on forest canopy surface as a source for tropospheric nitrous acid
The 4 references without a DOI — listed, not checked
no DOI — not checkedEversman, S. & Horton, D. Recolonization of burned substrates by lichens and mosses in Yellowstone National Park. Northwest Sci. 78, 85–92 (2004).
no DOI — not checkedSolomon, S. IPCC 4th Assessment Report (Cambridge Univ. Press, 2007).
no DOI — not checkedPrentice, C. et al. in Climate Change 2001 (eds Houghton, J. et al.) 183–237 (Cambridge Univ. Press, 2001).
no DOI — not checkedFalkowski, P. G. in Biogeochemistry (eds Schlesinger, W. H., Holland, H. D. & Turekian, K. K.) 185–213 (Elsevier, 2005).
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work were clean at the dated check: each resolved to a known work in a public registry, and none
carried a retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
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