Jornada Bibliography

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Filters: Author is Ludwig, John A.  [Clear All Filters]
Book
Ludwig JA.  1985.  Microcomputer simulation of soil erosion in desert grasslands. Modelling and Simulation on Microcomputers. :149-152.
Ludwig JA.  1986.  Primary production variability in desert ecosystems. Pattern and Process in Desert Ecosystems. :5-17.
Conference Proceedings
Ludwig JA, Moir WH.  1987.  A baseline of soil erosion and vegetation monitoring in desert grasslands: Chihuahua, Texas and New Mexico. Strategies for Classification and Management of Native Vegetation for Food Production in Arid Zones. General Technical Report RM-150:214-220.
Ludwig JA.  1977.  Distributional adaptations of root systems in desert environments. The Belowground Ecosystem: A Synthesis of Plant-associated Processes. Range Science Dept. No. 26:85-90.
Ludwig JA, Kemp PR, Gardetto PE.  1980.  A simulation model of the productivity of spanish bayonet, Yucca baccata Torr.. <i>Yucca</i>. :51-68.
Journal Article
Smith SD, Ludwig JA.  1978.  The distribution and phytosociology of Yucca elata in southern New Mexico. The American Midland Naturalist. 100:202-212.
Cornelius JM, Kemp PR, Ludwig JA, Cunningham GL.  1991.  The distribution of vascular plant species and guilds in space and time along a desert gradient. Journal of Vegetation Science. 2:59-72.
Whitford WG, Dick-Peddie S, Walters D, Ludwig JA.  1978.  Effects of shrub defoliation on grass cover and rodent species in Chihuahuan Desert ecosystem. Journal of Arid Environments. 1:237-242.
Ludwig JA, Whitford WG, Cornelius JM.  1989.  Effects of water, nitrogen and sulfur amendments on cover, density, and size of Chihuahuan Desert ephemerals. Journal of Arid Environments. 16:35-42.
Wallen DR, Ludwig JA.  1978.  Energy dynamics of vegetative and reproductive growth in Spanish bayonet (Yucca baccata Torr.). The Southwestern Naturalist. 23:409-422.
Laslei RJGilstra, Ludwig JA.  1985.  Fruit production by Yucca elata Engelm. (Liliaceae) in four Chihuahuan Desert habitats. The Southwestern Naturalist. 30:321-322.
Smith SD, Ludwig JA.  1978.  Further studies on growth patterns in Yucca elata Engelm (Liliaceae). The Southwestern Naturalist. 23:145-150.
Whitford WG, Ludwig JA, Noble JC.  1992.  The importance of subterranean termites in semi-arid ecosystems in south-eastern Australia. Journal of Arid Environments. 22:87-91.
Ludwig JA, Cornelius JM.  1987.  Locating discontinuities along ecological gradients. Ecology. 68:448-450.
Gadzia JSGraham, Ludwig JA.  1983.  Mesquite age and size in relation to dunes and artifacts. The Southwestern Naturalist. 28:89-94.
Smith SD, Ludwig JA.  1976.  Reproductive and vegetative growth patterns in Yucca elata Engelm (Liliaceae). The Southwestern Naturalist. 21:177-184.
Ludwig JA, Reynolds JF, Whitson PD.  1975.  Size-biomass relations of several Chihuahuan Desert shrubs. The American Midland Naturalist. 94:451-461.
Stein RA, Ludwig JA.  1979.  Vegetation and soil patterns on a Chihuahuan Desert bajada. The American Midland Naturalist. 101:28-37.
DePree E, Ludwig JA.  1978.  Vegetative and reproductive growth patterns in desert willow (Chilopsis linearis (Cav.) Sweet). The Southwestern Naturalist. 23:239-246.