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The McDonald and Woodward Publishing Company, BlacksburgĬollinge SK, Ray C, Gerhardt F (2011) Long-term dynamics of biotic and abiotic resistance to exotic species invasion in restored vernal pool plant communities. Madrono 55:257–268Ĭolburn EA (2004) Vernal pools: natural history and conservation. Wetlands 22:247–255Ĭlark M, Lis R, Fairbanks D, Schierenbeck K (2008) A spatial and temporal investigation of Eleocharis macrostachya and Orcuttia tenuis. Climatic Change 95:469–483īrooks RT, Hayashi M (2002) Depth-area-volume and hydroperiod relationships of ephemeral (vernal) forest pools in southern New England. Wetlands 24:104–114īrooks RT (2009) Potential impacts of global climate change on the hydrology and ecology of ephemeral freshwater systems of the forests of the northeastern United States. Wetlands 26:581–592īrooks RT (2004) Weather-related effects on woodland vernal pool hydrology and hydroperiod. Oecologia 113:67–73īoone RB, Johnson CM, Johnson LB (2006) Simulating vernal pool hydrology in Central Minnesota, USA.
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Freshwater Biology 50:2129–2135īliss SA, Zedler PH (1998) The germination process in vernal pools: sensitivity to environmental conditions and effects on community structure. Aquatic Ecology 34:43–61īauder ET (2005) The effects of an unpredictable precipitation regime on vernal pool hydrology. University of California, Davis and San Diego State Universityīauder ET (2000) Inundation effects on small-scale distributions in San Diego, California vernal pools. Phytocoenologia 35:177–200īauder ET (1987) Species assortment along a small-scale gradient in San Diego vernal pools. Madrono 50:129–146īarbour MG, Solomeshch AI, Holland RF, Witham CW, Macdonald RL, Cilliers SS, Molina JA, Buck JJ, Hillman JM (2005) Vernal pool vegetation of California: communities of long-inundated deep habitats. Wetlands 21:519–521īarbour MG, Solomeshch AI, Witham CW, Holland RF, Macdonald RL, Cilliers SS, Molina JA, Buck JJ, Hillman JM (2003) Vernal pool vegetation of California: variation within pools.
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Portland, OR, USA, 606 ppīaldwin AH, Egnotovich MS, Clarke E (2001) Hydrologic change and vegetation of tidal freshwater marshes: field, greenhouse, and seed-bank experiments. US Department of the Interior (2005) Recovery plan for vernal pool ecosystems of California and southern Oregon. Quantification of such relationships will be useful in forecasting ecohydrological responses of vernal pool vegetation to climate change, helping to guide future monitoring, management and restoration efforts for these unique ecosystems. The distribution of plant assemblages was strongly correlated with key hydrologic gradients. Hydrologic thresholds for the three community groups were based on inundation period: Short (< 71 days), Medium (≥ 71 days but <209 days), and Long (≥ 209 days). Inundation period and maximum depth were the only variables found to be predictive of plant distribution. Three plant community groups were distinguished according to localized hydrologic regimes. Multivariate analyses were used to classify vernal pool plant communities and classification tree analysis was used to model plant community distribution across hydrologic thresholds. A novel combination of approaches including remote photography of water depth stage gauges, vegetation sampling along elevation gradients, and topographic surveys were used to measure hydrology and plant community composition at precise locations. We quantified the role of hydrologic and environmental variables for influencing species assemblages within two vernal pool landscapes in northeastern California. Plant communities in vernal pools are distributed along continuous elevation gradients associated with subtle variations in microtopography, reflected in spatially heterogeneous hydrologic regimes.