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By C. C. Trettin, W. M. Aust, M. M. Davis, A. S. Weakley, J. Wisniewski (auth.), C. C. Trettin, W. M. Aust, J. Wisniewski (eds.)

The early 1990's marked an environmental watershed for our countly. lower than federal administrations major environmental legislative, regulatOly and institutional adjustments came about which affected our Nation's wetland assets. Injust many years, we've seen quick evolution within the means during which we view wetlands with extra emphasis on particular wetland kinds and the geographic provinces during which they take place. This Southern Appalachian guy and the Biosphere (SAMAB) convention on "Wetland Ecology, administration and Conservation" represents only one instance of our wish to comprehend wetlands in non-coastal areas of the southern usa. The backdrop to this convention was once one the place the govt, universities, and personal area have come jointly to create a broader and extra subtle figuring out of environmental stewardship for our water assets, in particular wetlands. even if enforcement of environmental laws by way of federal and kingdom govt corporations - restricted via manpower shortages, budgetary constraints and undermined via vulnerable enforcement - continues to be powerful as measured by way of global criteria; the conclusion that environmental degradation of wetlands is probably going to get a lot worse necessitates a better dedication and elevated source allocation for wetland safety and administration. those contiIUled pressures at the wetland source will create sizeable possibilities for the appliance of environmentally-sound applied sciences and interdisciplinmy modeling groups to maintain abreast of the criteria influencing wetland integrity and serve as within the final 1/2 the 1990's.

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J. Environ. Qual. 13,22-27. : 1991, Approaches to scaling up physiologically based soil-plant models in space and time. Tree Physiol. 9, 281-292. [47] 244 1. A. YEAKLEY ET AL. R. : 1979, An investigation into the effect of storm type on precipitation in a small mountain watershed. , 15, 298-304. E. : 1967, Undisturbed R. maximum thickets are not spreading. J. Forestry 65, 334-336. : 1972, The Ecological Roles o/Kalmia latifolia and Rhododendron maximum in the Hardwood Forest at Coweeta. S. Thesis, University of Georgia, Athens.

NUTRIENT UPTAKE BY FOREST BIOMASS Forest biomass accumulation of nutrients bas heen verified in a variety of forests, with studies indicating that understory species play a significant role in aboveground nutrient accumulation (Day and Monk, 1977b; Grove and Malajczuk, 1985; Kellman et al. 1987; Turner et al. 1992). , Day and Monk, 1974, 1977a,b; Yount, 1975; McGinty, 1976) bas yielded nutrient cycling budgets for Ca, K, Mg, N, P for aggrading mixed oak-hickory forests (Monk and Day, 1988). 7. 1 %.

34, 274-277. L. : 1984b, Nutrient cycling in an agricultural watershed: I. Phreatic movement. J. Environ. Qual. 13,22-27. : 1991, Approaches to scaling up physiologically based soil-plant models in space and time. Tree Physiol. 9, 281-292. [47] 244 1. A. YEAKLEY ET AL. R. : 1979, An investigation into the effect of storm type on precipitation in a small mountain watershed. , 15, 298-304. E. : 1967, Undisturbed R. maximum thickets are not spreading. J. Forestry 65, 334-336. : 1972, The Ecological Roles o/Kalmia latifolia and Rhododendron maximum in the Hardwood Forest at Coweeta.

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