01818nam 2200457 a 450 991069963190332120110210110035.0(CKB)5470000002404619(OCoLC)701316719(EXLCZ)99547000000240461920110210d2010 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierApproaches for estimating critical loads of nitrogen and sulfur deposition for forest ecosystems on U.S. federal lands[electronic resource] /Linda H. PardoNewtown Square, PA :U.S. Dept. of Agriculture, Forest Service, Northern Research Station,[2010]1 online resource (25 pages) illustrationsGeneral technical report NRS ;71Title from title screen (viewed on Feb. 10, 2011)."September 2010"--P. [2] of cover.Includes bibliographical references (pages 20-25).Atmospheric depositionUnited StatesMeasurementNitrogenUnited StatesMeasurementSulfurUnited StatesMeasurementForest ecologyUnited StatesBiotic communitiesUnited StatesAtmospheric depositionMeasurement.NitrogenMeasurement.SulfurMeasurement.Forest ecologyBiotic communitiesPardo Linda H1405448United States.Forest Service.Northern Research Station.GPOGPOBOOK9910699631903321Approaches for estimating critical loads of nitrogen and sulfur deposition for forest ecosystems on U.S. federal lands3540080UNINA