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Mergen, Z., C.J. Corley, G. Kostel
and D.E. Mergen. 2020. Quaking aspen (Populus tremuloides) growth rate within the Black Hills of South Dakota. Proceedings
of 2020 South Dakota Academy of Sciences, Vol. 99:83-91.
Dombro, L.M., E. Perez-Foust,
D. Roddy, D.E. Mergen and R.A. Gitzen. 2020. Occurrence of North American porcupine (Erethizon dorsatum) in the Black
Hills, South Dakota. Western North American Naturalist 80(2): 257264.
Uresk, D.W. and D.E. Mergen. 2017.
Effects of livestock grazing and cultural treatments on regeneration of green ash woodlands on the northern great plains: an update.
Intermountain Journal of Sciences, Vol. 23, No. 1-4:35-44.
Uresk, D.W. and D.E. Mergen. 2014.
Ecological model for classifying and monitoring of green needlegrass/western wheatgrass/blue gramma/buffalograss ecological type.
Intermountain Journal of Sciences, Vol. 20, No. 1-3:1-13.
Uresk, D.W., D.E. Mergen, and J. Javersak. 2014.
Ecological model for seral stage classification and monitoring with key plants on sandy ecological sites in Nebraska and South Dakota.
Intermountain Journal of Sciences, Vol. 20, No. 1-3:14-25.
Gabel, M., B.E. Nelson, D. Mergen, K. Hansen and G. Kostel.
2014. The flora of Harding County: A century of botany in northwestern South Dakota, USA. Proceedings of 2014 South Dakota Academy of Sciences,
Vol. 93:101-131.
Mergen, D.E, C.J. Corley, C.D. Bonham, S. Deisch,
D. Ode and S.L. Nichols. 2014. Vegetation trends of sagebrush habitat near greater sage-grouse leks in northwestern South Dakota after 20 years.
Proceedings of 2014 South Dakota Academy of Sciences, Vol. 93:iv (Poster Title).
Uresk, D.W. and D.E. Mergen. 2013. Model for
seral stage classification and monitoring of big bluestem-sideoats grama-western wheatgrass-blue grama ecological type in central
South Dakota. Proceedings of 2013 South Dakota Academy of Sciences, Vol. 92:79-92..
Uresk, D.W., D.E. Mergen, and J. Javersak. 2012.
Ecological model for seral stage classification and monitoring for sands-choppy sands ecological type in Nebraska and South Dakota.
Proceedings of 2012 South Dakota Academy of Sciences, Vol. 91:87-99.
Uresk, D.W. and D.E. Mergen. 2012.
Monitoring mid-grass prairie in southwestern South Dakota and northwestern Nebraska, USA. Grassland Science.
Vol. 58(3):140-146.
Mergen, D. and M. Gabel. 2011.
Analyses of Phleum L. (Poaceae) Species in the Black Hills of South Dakota and Wyoming.
Proceedings of 2011 South Dakota Academy of Sciences, Vol. 90:113-123.
Uresk, D.W., D.E. Mergen, and J. Javersak. 2010.
Model for classifying and monitoring hackberry (Celtis occidentalis L) shrub ecological type in Sand Hills prairie ecosystem.
Proceedings of 2010 South Dakota Academy of Sciences, Vol. 89:105-119.
Uresk, D.W., D. Mergen, and J. Javersak. 2010. Ecological
model for classifying and monitoring boxelder in northwestern Nebraska. Proceedings of 2010 South Dakota Academy of Sciences, Vol. 89:121-128.
Mergen, D.E. 2010. Greenhorn Monitoring Project: 1999-2009. Final Report. U.S. Forest Service San Isabel Ranger District, Colorado.
Uresk, D.W., D.E. Mergen, and T.A. Benzon. 2009.
Monitoring meadows with a Modified Robel Pole in the northern Black Hills, South Dakota. The Prairie Naturalist 41(3/4):121-125.
Uresk, D.W., D.E. Mergen, and T.A. Benzon. 2009.
Estimating standing vegetation with a Modified Robel Pole on meadows and grasslands in the southern Black Hills of South Dakota.
Proceedings of 2009 South Dakota Academy of Sciences, Vol. 88:91-97.
Uresk, D.W., J. Javersak, and
D.E. Mergen. 2009. Tree sapling and shrub heights after 25 years of livestock grazing in green ash draws in western North Dakota.
Proceedings of 2009 South Dakota Academy of Sciences, Vol. 88:99-108.
Mergen, D.E. 2006, July 17.
Cypripedium parviflorum Salisb. (lesser yellow ladys slipper): a technical conservation assessment. [Online].
USDA Forest Service, Rocky Mountain Region.
Bonham, C.D., D.E. Mergen, and S. Montoya. 2004.
Plant cover estimation: A contiguous Daubenmire frame. Rangelands (26)1:17-22.
Corley, W.D. Jr. and D.E. Mergen. 2003.
Use of infrared imaging for track and field. In InfraMation 2003 Proceedings Vol. 4, p. 49-54.
Mergen, D.E. 2003. Conservation Assessment Cypripedium parviflorum Salisb. formerly Cypripedium calceolus L. North American yellow
ladys slipper orchid of the Orchidaceae family in the Black Hills National Forest of South Dakota and Wyoming. U.S. Forest Service
document, Black Hills National Forest.
Mergen, D.E. 2003. Greenhorn Project: Vegetation Assessment and Monitoring Report. U.S. Forest Service San Isabel Ranger District, Colorado.
Bruggink, J.L. and D.E. Mergen. 2002. Field Guide, Ecological seral stage classification of dominant range site types in southeastern
Colorado and southwestern Kansas. (Draft). U.S. Forest Service document, Pike, San Isabel National Forests and Cimarron and Comanche
National Grasslands.
Mergen, D.E., M.J. Trlica, J.L. Smith, and
W.H. Blackburn. 2001. Stratification of variability in runoff and sediment yield based on vegetation characteristics. J. Amer.
Water Res. Assoc. 37:3, 617-628.
Linse, S.J., D.E. Mergen, J.L. Smith, and M.J. Trlica.
2001. Upland erosion under a simulated most damaging storm. J. Range Manage. 54:356-361.
Corley, C.J., G.W. Frasier, M.J. Trlica,
F.M. Smith, and E.M. Taylor Jr. 1999. Technical Note: Nitrogen and phosphorus in runoff from 2 montain riparian communities.
J. Range Manage. 52:600-605.
Pearce, R.A., M.J. Trlica, W.C. Leininger,
D.E. Mergen, and G. Frasier. 1998. Sediment movement through riparian vegetation under simulated rainfall and overland flow.
J. Range Manage. 51:301-308.
Mergen, D.E. 1998. Effects of plant cover on surface roughness, infiltration, runoff, and sediment yield of sagebrush-grass rangelands.
Ph.D. Dissertation. Colorado State University, Fort Collins, Colorado.
Corley, C.J. 1995. Nitrogen and phosphorus in runoff from a riparian buffer zone. M.S. Thesis. Colorado State University, Fort Collins, Colorado.
Mergen, D.E. 1991. Taxonomy and Taphonomy of a fossil dicotyledon [Ulmus (Ulmaceae)] from the Ogallala Group (Miocene) Graham County,
Kansas. M.S. Thesis. Fort Hays State University, Hays, Kansas. July.
Cook, T., D.E. Mergen, and D. Clark. 1986. Increasing profits in hot dip galvanizing. Metal Finishing. May.
Mergen, D.E., G.W. Frasier, A.G. Fernald, M.J. Trlica, and J.L. Smith. Estimating soil surface area inundated by runoff using surface
roughness measurements. (Revising).
Mergen, D.E., R.A. Pearce, M.J. Trlica, J. Stednick, and D.W. Uresk. Sediment yield from a shrub-grass rangeland as affected by
canopy cover. (Revising).
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