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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