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Fire in North American Wetland Ecosystems and Fire-Wildlife Relations: An Annotated Bibliography

264.  Turner, M. M. G. 1985b.  Effects of feral horse grazing, clipping, 
           trampling and a late winter burn on a salt marsh, Cumberland Island
           National Seashore, Georgia. Bull. Ecol. Soc. Am. 66:285. [Abstract only]

Net aboveground productivity (NAPP) of replicate 200 m² smooth cordgrass plots was reduced by all combinations of grazing, trampling, and clipping. NAPP of burned, burned and trampled, and burned and grazed plots was about 70% of unburned equivalents; NAPP of burn + clip and burn + clip + trample plots was similar to unburned equivalents. Burning did not reduce rhizome productivity; grazing, clipping, and trampling had the opposite effect. Total belowground organic matter did not change in the 17-month study, but invertebrate abundance was decreased by clipping and trampling. [From author's abstract]

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