Robert Ziemer
Former Employee
Hydrologist, Senior Scientist Emeritus
Treesearch Publications
- Robert Ziemer. 2004. Scale considerations for linking hillslopes to aquatic habitats
- Raymond M. Rice, Robert Ziemer, Jack Lewis. 2004. Evaluating forest management effects on erosion, sediment, and runoff: Caspar Creek and northwestern California
- David Tomberlin, William T. Baxter, Robert Ziemer, Matthew Thompson. 2002. Logging roads and aquatic habitat protection in the California redwoods
- Robert Ziemer. 2001. Caspar Creek.
- Jack Lewis, Sylvia Mori, Elizabeth Keppeler, Robert Ziemer. 2001. Impacts of logging on storm peak flows, flow volumes and suspended sediment loads in Caspar Creek, California
- Hermann Gucinski, Michael Furniss, Robert Ziemer, Martha H. Brookes. 2001. Forest roads: A synthesis of scientific information
- Raymond M. Rice, Robert Ziemer, Jack Lewis. 2001. "Forest management effects on erosion, sediment, and runoff: Lessons from Caspar Creek and northwestern California"
- Hermann Gucinski, Michael Furniss, Robert Ziemer, Martha H. Brookes. 2001. Forest roads: a synthesis of scientific information.
- Robert Ziemer, Douglas Ryan. 2000. Current status of experimental paired-watershed research in the USDA Forest Service
- Kazutoki Abe, Ushio Kurokawa, Robert Ziemer. 2000. Prediction method of sediment discharge from forested basin
- Jack Lewis, Rand E. Eads, Robert Ziemer. 2000. Research in the Caspar Creek Experimental Watersheds, Northern California
- Robert Ziemer. 2000. Hydrologic effects of forest harvest in northwestern California, USA
- Robert Ziemer. 2000. Watershed assessment-watershed analysis: What are the limits and what must be considered
- Robert Ziemer. 1999. Some scale considerations for watercourse restoration and rehabilitation
- Jack Lewis, Robert Ziemer. 1999. Review of: "Hydrologic Change Module (HCM)for PALCO lands dated 12 August 1999, posted at “http://w3.gorge.net/salminen/hydro/0812meth.doc"
- Robert Ziemer. 1998. Monitoring watersheds and streams
- Robert Ziemer. 1998. Flooding and stormflows
- Robert Ziemer. 1998. Proceedings of the conference on coastal watersheds: the Caspar Creek story. May 6, 1998, Ukiah, California
- Robert Ziemer. 1998. Preface
- Connie I. Millar, Amy J. Lind, Rowan Rowntree, Carl N. Skinner, Jared Verner, Bill Zielinski, Robert Ziemer. 1998. Sierra Nevada Science Review
- Connie I. Millar, Amy J. Lind, Rowan Rowntree, Carl N. Skinner, Jared Verner, Bill Zielinski, Robert Ziemer. 1998. Sierra Nevada Science Review. Report of the Science Review Team charged to synthesize new information of rangewide urgency to the national forests of the Sierra Nevada.
- Robert Ziemer, Thomas E. Lisle. 1998. Chapter 3. Hydrology
- Robert Ziemer, Jack Lewis, Elizabeth Keppeler. 1998. "Streamflow and sediment response to logging, California, USA"
- Ingrid Morken, Robert Ziemer. 1998. Publications related to Caspar Creek
- Robert Ziemer. 1997. Chapter 6. Temporal and spatial scales
- Robert Ziemer, Leslie M. Reid. 1997. What have we learned, and what is new in watershed science?
- J. Duan, Robert Ziemer, G. E. Grant. 1997. Hydrologic responses of large drainage to clearcutting: a modeling perspective
- Christopher G. Surfleet, Robert Ziemer. 1996. Effects of forest harvesting on large organic debris in coastal streams
- Robert Ziemer, Jack Lewis, Elizabeth Keppeler. 1996. Hydrologic consequences of logging second-growth redwood watersheds
- L. M. Reid, Robert Ziemer, T. E. Lisle. 1996. Approaching messy problems: strategies for environmental analysis
- D. N. Swanston, Robert Ziemer, R. J. Janda. 1995. "Rate and mechanics of progressive hillslope failure in the Redwood Creek basin, northwestern California"
- Leslie M. Reid, Robert Ziemer, Mark E. Smith, Colin Close. 1994. Evaluation of unstable lands for interagency watershed analysis
- Leslie M. Reid, Robert Ziemer. 1994. Basin assessment and watershed analysis
- Leslie M. Reid, Robert Ziemer. 1994. Evaluating the biological significance of intermittent streams
- Leslie M. Reid, Robert Ziemer, Michael Furniss. 1994. What do we need to know about roads?
- Robert Ziemer. 1994. 25. Cumulative effects assessment impact thresholds: myths and realities
- Elizabeth Keppeler, Robert Ziemer, Peter H. Cafferata. 1994. Changes in soil moisture and pore pressure after harvesting a forested hillslope in northern California
- Leslie M. Reid, Robert Ziemer, Michael Furniss. 1994. Watershed analysis on federal lands of the Pacific northwest
- Robert Ziemer, Thomas E. Lisle. 1993. Evaluating sediment production by activities related to forest uses--a northwest perspective
- Robert Ziemer. 1992. Evaluating long-term cumulative hydrologic effects of forest management: a conceptual approach
- Robert Ziemer. 1992. Effect of logging on subsurface pipeflow and erosion: coastal northern California, USA
- Robert Ziemer, J. Lewis, R. M. Rice, T. E. Lisle. 1991. Modeling the cumulative watershed effects of forest management strategies
- Robert Ziemer, P. H. Cafferata. 1991. The Caspar Creek watersheds: a case study of cumulative effects in a small coastal basin in northern California
- Robert Ziemer, J. Lewis, T. E. Lisle, Rice. R. M. 1991. Long-term sedimentation effects of different patterns of timber harvesting
- Robert Ziemer, Richard L. Hubbard. 1991. Chapter Seven. Forestry and anadromous fish
- Kazutoki Abe, Robert Ziemer. 1991. Effect of tree roots on a shear zone: modeling reinforced shear stress.
- Kazutoki Abe Abe, Robert Ziemer. 1991. Effect of tree roots on shallow-seated landslides
- Robert Ziemer. 1991. An approach to evaluating the long-term effects of land use on landslides, erosion, and stream channels
- Robert Ziemer, Walter F. Megahan. 1991. Erosion and sedimentation control on roads and construction sites in the Federated States of Micronesia
- Robert Ziemer, R. M. Rice. 1990. Tracking rainfall impulses through progressively larger drainage basins in steep forested terrain
- Elizabeth Keppeler, Robert Ziemer. 1990. Logging effects on streamflow: water yields and summer flows at Caspar Creek in northwestern California
- Robert Ziemer. 1990. The Caspar Creek Watersheds--a case study
- Leslie M. Reid, Robert Ziemer. 1989. Cumulative watershed effects: a research perspective
- Matthew D. O'Connor, Robert Ziemer. 1989. Coarse woody debris ecology in a second-growth Sequoia sempervirens forest stream
- R. M. Rice, Robert Ziemer, J. Lewis, T. E. Lisle. 1989. Studies of two cumulative effects riddles
- Robert Ziemer. 1988. Carnivorous plants in Micronesia
- Robert Ziemer, Jeffrey S. Albright. 1987. Subsurface pipeflow dynamics of north-coastal California swale systems
- Robert Ziemer. 1987. Water yields from forests: an agnostic view
- Frederick J. Swanson, Lee E. Benda, Stanley H. Duncan, Gordon Grant, Walter F. Megahan, Leslie M. Reid, Robert Ziemer. 1987. Mass failures and other processes of sediment production in Pacific northwest forest landscapes
- Robert Ziemer. 1986. Soil erosion and management activities on forested slopes
- Kazutoki Abe, Masaru Iwamoto, Robert Ziemer. 1986. VIII-9 Tree root effect in preventing landslide on the bottom and circumference
- Michael P. Amaranthus, Raymond M. Rice, Nicholas R. Barr, Robert Ziemer. 1985. Logging and forest roads related to increased debris slides in southwestern Oregon
- Robert Ziemer. 1984. Response of progressive hillslope deformation to precipitation
- Robert Ziemer. 1984. Influence of rainfall on hillslope movement
- Robert Ziemer, B. R. Thomas, R. M. Rice. 1982. Mass erosion and forest management
- C. O'Loughlin, Robert Ziemer. 1982. The importance of root strength and deterioration rates upon edaphic stability in steepland forests
- Robert Ziemer. 1981. Roots and the stability of forested slopes
- Robert Ziemer. 1981. Watershed rehabilitation: a process view
- Robert Ziemer. 1981. "Keynote address, Theme 4, Management of steepland erosion: an overview"
- Robert Ziemer. 1981. The role of vegetation in the stability of forested slopes
- Robert Ziemer. 1981. Root (Botany)
- Robert Ziemer. 1981. Stormflow response to roadbuilding and partial cutting in small streams of northern California
- Robert Ziemer. 1980. Drosera regia
- Robert Ziemer. 1979. Evaporation and transpiration
- Robert Ziemer. 1979. Some personal observations on cultivating the Heliamphora
- Robert Ziemer, David Strauss. 1978. A statistical approach to instrument calibration
- Robert Ziemer. 1978. Logging effects on soil moisture losses
- Robert Ziemer. 1978. Soil moisture and groundwater recharge under a mixed conifer forest
- Robert Ziemer. 1978. An apparatus to measure the crosscut shearing strength of roots
- Robert Ziemer. 1977. Measurement of soil creep by inclinometer
- Robert Ziemer, D. N. Swanston. 1977. Root strength changes after logging in southeast Alaska
- Milton Kolipinski, Ed Helley, Luna Leopold, Steve Viers, Gerard Witucki, Robert Ziemer. 1975. Status of natural resources in Redwood Creek basin, Redwood National Park
- Robert Ziemer. 1973. Some field observations of Darlingtonia and Pinguicula
- Robert Ziemer. 1973. In search of Drosera anglica
- L. L. Boersma, D. Kirkham, D. Norum, Robert Ziemer, J. C. Guitjens, J. Davidson, J. N. Luthin. 1971. Soil moisture
- Robert Ziemer. 1971. Translocation of 14-C in ponderosa pine seedlings
- Robert Ziemer. 1968. Soil moisture depletion patterns around scattered trees
- Robert Ziemer. 1968. Effect of logging on streamflow, sedimentation, and fish habitat
- Robert Ziemer, Irving Goldberg, Norman A. MacGillivray. 1967. Measuring soil moisture near soil surface...minor differences due to neutron source type
- Robert Ziemer, Irving Goldberg, Norman A. MacGillivray. 1967. Measuring soil moisture near soil surface ... minor differences due to neutron source type
- Irving Goldberg, Norman A. MacGillivray, Robert Ziemer. 1967. Effects of neutron source type on soil moisture measurement
- Robert Ziemer, Eugene Kojan, Robert B. Thomas, Robert A. Muller. 1966. Caspar Creek study
- Robert Ziemer, Eugene Kojan, Robert B. Thomas. 1965. Effects of logging on streamflow, sedimentation, fish life, and fish habitat in the north coast redwood-Douglas-fir type - Jackson State Forest, Fort Bragg, California
- Robert Ziemer. 1964. Summer evapotranspiration trends as related to time after logging of forests in Sierra Nevada
- Robert Ziemer. 1963. Summer evapotranspiration trends as related to time following logging of high elevation forest stands in Sierra Nevada
- Henry W. Anderson, Allan J. West, Robert Ziemer, Franklin R. Adams. 1963. Evaporative loss from soil, native vegetation, and snow as affected by hexadecanol
- Robert Ziemer. 1958. Logging upon forested areas of high recreational value
Last updated March 10, 2026