heterogeneous dispersions: What null hypothesis
are you testing? Ecological Monographs 83:557–
Arkle, R., D. Pilliod, S. Hanser, M. L. Brooks, J. C.
Chambers, J. B. Grace, K. C. Knutson, D. A. Pyke, J.
L. Welty, and T. A. Wirth. 2014. Quantifying
restoration effectiveness using multi-scale habitat
models: implications for sage-grouse in the Great
Basin. Ecosphere 5:1–32.
2013. Assessing resilience and state-transition mod-
els with historical records of cheatgrass Bromus
tectorum invasion in North American sagebrush-
steppe. Journal of Applied Ecology 50:1131–1141.
Baker, W. L. 2006. Fire and restoration of sagebrush
ecosystems. Wildlife Society Bulletin 34:177–185.
Balch, J. K., B. A. Bradley, J. T. Abatzoglou, R. C. Nagy,
E. J. Fusco, and A. L. Mahood. 2017. Human-
started wildﬁres expand the ﬁre niche across the
United States. Proceedings of the National Acad-
emy of Sciences USA 114:2946–2951.
Balch, J. K., B. A. Bradley, C. M. D’Antonio, and J.
omez-Dans. 2013. Introduced annual grass
increases regional ﬁre activity across the arid west-
ern USA (1980–2009). Global Change Biology
Bansal, S., and R. L. Sheley. 2016. Annual grass inva-
sion in sagebrush steppe: the relative importance
of climate, soil properties and biotic interactions.
Beck, J. L., J. W. Connelly, and K. P. Reese. 2009. Recov-
ery of greater sage-grouse habitat features in
Wyoming big sagebrush following prescribed ﬁre.
Restoration Ecology 17:393–403.
Booth, D. T., S. E. Cox, and R. D. Berryman. 2006. Point
sampling digital imagery with ‘Samplepoint’. Envi-
ronmental Monitoring and Assessment 123:97–108.
Bowman, D. M. J. S., et al. 2011. The human dimension
of ﬁre regimes on Earth. Journal of Biogeography
Bradley, B. A., and J. F. Mustard. 2008. Comparison of
phenology trends by land cover class: a case study
in the Great Basin, USA. Global Change Biology
Brooks, M. L., C. M. D. Antonio, D. M. Richardson, J.
B. Grace, J. E. Keeley, J. M. DiTomaso, R. J. Hobbs,
M. Pellant, and D. Pyke. 2004. Effects of invasive
alien plants on ﬁre regimes. BioScience 54:677–688.
Brooks, M. L., J. R. Matchett, D. J. Shinneman and P. S.
Coates. 2015. Fire Patterns in the Range of the
Greater Sage-Grouse, 1984–2013—Implications for
Conservation and Management: U.S. Geological
Survey Open-File Report 2015-1167. Page 66.
Bukowski, B., and W. L. Baker. 2013. Historical ﬁre
regimes, reconstructed from land-survey data, led
to complexity and ﬂuctuation in sagebrush land-
scapes. Ecological Applications 23:546–564.
Chambers, J. C., B. A. Bradley, C. S. Brown, C. D’Anto-
nio, M. J. Germino, J. B. Grace, S. P. Hardegree, R.
F. Miller, and D. A. Pyke. 2014. Resilience to stress
and disturbance, and resistance to Bromus tectorum
L. invasion in cold desert shrublands of western
North America. Ecosystems 17:360–375.
Chambers, J. C., B. A. Roundy, R. R. Blank, S. E. Meyer,
and A. Whittaker. 2007. What makes Great Basin
sagebrush ecosystems invasible by Bromus tecto-
rum? Ecological Monographs 77:117–145.
Chambers, J. C., et al. 2017. Science Framework for
Conservation and Restoration of the Sagebrush
Biome: linking the Department of the Interior’s
Integrated Rangeland Fire Management Strategy
to Long-Term Strategic Conservation Actions. Part
1. Science basis and applications. Gen. Te:213.
Chiarucci, A., G. Bacaro, D. Rocchini, and L. Fattorini.
2008. Discovering and rediscovering the sample-
based rarefaction formula in the ecological litera-
ture. Community Ecology 9:121–123.
Coates, P. S., M. A. Ricca, B. G. Prochazka, M. L.
Brooks, K. E. Doherty, T. Kroger, E. J. Blomberg, C.
A. Hagen, and M. L. Casazza. 2016. Wildﬁre, cli-
mate, and invasive grass interactions negatively
impact an indicator species by reshaping sage-
brush ecosystems. Proceedings of the National
Academy of Sciences USA 113:12745–12750.
Condon, L. A., and D. A. Pyke. 2018. Fire and grazing
inﬂuence site resistance to Bromus tectorum through
their effects on shrub, bunchgrass and biocrust
communities in the Great Basin (USA). Ecosystems
D’Antonio, C. M., and P. M. Vitousek. 1992. Biological
invasions by exotic grasses, the grass/ﬁre cycle,
and global change. Annual Review of Ecological
Davies, K. W. 2011. Plant community diversity and
native plant abundance decline with increasing
abundance of an exotic annual grass. Oecologia
Davies, G. M., J. D. Bakker, E. Dettweiler-Robinson,
P. W. Dunwiddie, S. A. Hall, J. Downs, and J.
Evans. 2012. Trajectories of change in sagebrush
steppe vegetation communities in relation to multi-
ple wildﬁres. Ecological Applications 22:1562–
Davies, K. W., C. S. Boyd, J. L. Beck, J. D. Bates, T. J.
Svejcar, and M. A. Gregg. 2011. Saving the sage-
brush sea: an ecosystem conservation plan for big
sagebrush plant communities. Biological Conserva-
Davies, K. W., and A. M. Nafus. 2013. Exotic annual
grass invasion alters fuel amounts, continuity and
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