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Filters: Author is Robin M. Grossinger  [Clear All Filters]
1999
Monroe, M.; Olofson, P. R.; Collins, J. N.; Grossinger, R. M.; Haltiner, J.; Wilcox, C. 1999. Baylands Ecosystem Habitat Goals. SFEI Contribution No. 330. U. S. Environmental Protection Agency, San Francisco, Calif./S.F. Bay Regional Water Quality Control Board, Oakland, Calif. p 328.
 (7.11 MB)
Collins, J. N.; Brewster, E.; Grossinger, R. M. 1999. Conceptual models of freshwater influences on tidal marsh form and function, with an historical perspective. SFEI Contribution No. 327. Department of Environmental Services: City of San Jose, CA. p 237 pp.
Grossinger, R. M. 1999. Seeing Time: A Historical Approach to Restoration. Ecological Restoration 17, 251-2. . SFEI Contribution No. 328.
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2001
McKee, L. J. .; Wittner, E.; Leatherbarrow, J. E.; Lucas, V.; Grossinger, R. M. 2001. Building a regionally consistent base map for the Bay Area: The National Hydrography Data Set. Abstracts of the 5th Biannual State of the Estuary Conference – San Francisco Estuary: Achievements, trends and the future, pp 108.
Grossinger, R. M. 2001. Documenting Local Landscape Change: The Bay Area Historical Ecology Project. In The Historical Ecology Handbook: A Restorationist's Guide to Reference Ecosystems.. Egan, D., Howell, E., Eds.. The Historical Ecology Handbook: A Restorationist's Guide to Reference Ecosystems. Island Press: Washington D.C.
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Grossinger, R. M.; Brewster, E. 2001. Land Use Timeline for Crow Canyon and the San Lorenzo Creek Watershed. SFEI Contribution No. 352. Alameda Countywide Clean Water Program. p 6 pp.
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2004
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2007
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2008
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2010
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Whipple, A.; Grossinger, R. M.; Davis, F. W. 2010. Shifting Baselines in a California Oak Savanna: Nineteenth Century Data to Inform Restoration Scenarios. Restoration Ecology 19 (101), 88-101 . SFEI Contribution No. 593.

For centuries humans have reduced and transformed Mediterranean-climate oak woodland and savanna ecosystems, making it difficult to establish credible baselines for ecosystem structure and composition that can guide ecological restoration efforts. We combined historical data sources, with particular attention to mid-1800s General Land Office witness tree records and maps and twentieth century air photos, to reconstruct 150 years of decline in extent and stand density of Valley oak (Quercus lobata Neé) woodlands and savannas in the Santa Clara Valley of central coastal California. Nineteenth century Valley oak woodlands here were far more extensive and densely stocked than early twentieth century air photos would suggest, although reconstructed basal areas (7.5 m2/ha) and densities (48.9 trees/ha) were not outside the modern range reported for this ecosystem type. Tree densities and size distribution varied across the landscape in relation to soil and topography, and trees in open savannas were systematically larger than those in denser woodlands. For the largest woodland stand, we estimated a 99% decline in population from the mid-1800s to the 1930s. Although most of the study area is now intensely developed, Valley oaks could be reintroduced in urban and residential areas as well as in surrounding rangelands at densities comparable to the native oak woodlands and savannas, thereby restoring aspects of ecologically and culturally significant ecosystems, including wildlife habitat and genetic connectivity within the landscape.

2011
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Askevold, R. A.; Whipple, A.; Grossinger, R. M.; Stanford, B.; Salomon, M. N. 2011. East Contra Costa Historical Ecology Study GIS data, GIS data produced for the East Contra Costa County Historical Ecology Study.
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Grossinger, R. M.; Beller, E. E. 2011. Oak Landscapes in the Recent Past. In Oaks in the Urban Landscape: Selection, Care, and Preservation. Costello, L. R., Hagen, B. W., Jones, K. S., Eds.. Oaks in the Urban Landscape: Selection, Care, and Preservation. University of California Agriculture and Natural Resources: Richmond, CA.
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2012
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Whipple, A.; Grossinger, R. M.; Rankin, D.; Stanford, B.; Askevold, R. A. 2012. Sacramento-San Joaquin Delta Historical Ecology Investigation: Exploring Pattern and Process. SFEI Contribution No. 672. SFEI: Richmond.

The Sacramento-San Joaquin Delta has been transformed from the largest wetland system on the Pacific Coast of the United States to highly productive farmland and other uses embodying California’s water struggles. The Delta comprises the upper extent of the San Francisco Estuary and connects two-thirds of California via the watersheds that feed into it. It is central to the larger California landscape and associated ecosystems, which will continue to experience substantial modification in the future due to climate change and continued land and water use changes. Yet this vital ecological and economic link for California and the world has
been altered to the extent that it is no longer able to support needed ecological functions. Approximately 3% of the Delta’s historical tidal wetland extent remains wetland today; the Delta is now crisscrossed with agricultural ditches replacing the over 1,000 miles of branching tidal channels.

Imagining a healthy Delta ecosystem in the future and taking bold, concrete steps toward that future requires an understanding and vision of what a healthy ecosystem looks like. For a place as extensive, unique, and modified as the Delta, valuable knowledge can be acquired through the study of the past, investigating the Delta as it existed just prior to the substantial human modifications of the last 160 years. Though the Delta is irrevocably altered, this does not mean that the past is irrelevant. Underlying geologic and hydrologic processes still influence the landscape, and native species still ply the waters, soar through the air, and move across the land. Significant opportunities are available to strategically reconnect landscape components in ways that support ecosystem resilience to both present and future stressors.

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Sowers, J. M.; Salomon, M. N.; Ticci, M.; Beller, E. E.; Grossinger, R. M. 2012. Watching Our Watersheds: Santa Clara Valley Past, Google Earth KMZ files: Santa Clara Valley historical points of interest, stream courses and habitats.
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