Effects of campfires on soil properties /

Effects of plant protection products on functional endpoints in soil (EPFES) /
Published: (2003)

Campfire programs : training bulletin for field employees of the National Park Service, United States Department of the Interior.
Published: (1955)

Fire's effects on ecosystems /
by: DeBano, Leonard F.
Published: (1998)

Fire's effects on ecosystems /
by: DeBano, Leonard F.
Published: (1998)

Easy green : a handbook of earth-smart activities and operating procedures for youth programs /
by: Westerman, Marty
Published: (1993)

Agrochemical residue-biota interactions in soil and aquatic ecosystems : proceedings and report of a combined advisory group meeting and research co-ordination meeting on agrochemical residue-biota interactions in soil and water /
Published: (1980)

Effects of accumulation of air pollutants in forest ecosystems : proceedings of a workshop held at Gottingen, West Germany, May 16-18, 1982 /
Published: (1983)

Effects of Accumulation of Air Pollutants in Forest Ecosystems : Proceedings of a Workshop held at Göttingen, West Germany, May 16-18, 1982 /
by: Ulrich, B.
Published: (1983)

Fire effects on soil properties /
Published: (2019)

Pesticides in soil and water /
Published: (1974)

Pesticides in soil and water /
Published: (1974)

Eroding soils : the off-farm impacts /
by: Clark, Edwin H., 1938-
Published: (1985)

Interactions of mercury with aquatic and edaphic environments : project completion report /
by: Newton, David W.
Published: (1974)

Technology alternatives for the remediation of PCB-contaminated soil and sediment /
by: Dávila, B.
Published: (1994)

A Survey and analysis of recreational and livestock impacts on the riparian zone of the Rio Grande in Big Bend National Park.
Published: (1976)

Modelling of the persistence of pesticides applied to the soil /
Published: (1984)

The Off-site costs of soil erosion : proceedings of a symposium held in May 1985 /
Published: (1986)

Recreation ecology : the ecological impact of outdoor recreation and ecotourism /
by: Liddle, M. J.
Published: (1997)

Acidic deposition and forest soils : context and case studies of the southeastern United States /
Published: (1989)

Gaseous loss of nitrogen from plant-soil systems /
Published: (1983)

Pesticides in soil and groundwater : proceedings of a conference presented at the University of California, Davis, June 15-16, 1982 /
Published: (1983)

Pesticides in Soil and Water.
Published: (1974)

Biochar application : essential soil microbial ecology /
Published: (2016)

Elephant people /
Published: (2002)

Hazardous and trace materials in soils and plants : sources, effects and management /
Published: (2022)

The effects of fishing on marine ecosystems and communities /
by: Hall, Stephen J.
Published: (1999)

Ecotoxicology : effects of pollutants on the natural environment /
by: Walker, C. H. (Colin Harold), 1936-
Published: (2014)

Report on effects of aircraft overflights on the national park system : executive summary, report to Congress, appendixes.
Published: (1995)

The effect of sewage effluent on the structure and function of a freshwater tidal marsh ecosystem /
by: Whigham, Dennis F.
Published: (1980)

Yellowstone and the snowmobile : locking horns over national park use /
by: Yochim, Michael J.
Published: (2009)

Biological effects of ocean disposal of solid waste /
Published: (1973)

Direct and indirect effects of acidic deposition on vegetation /
Published: (1984)

First American-Soviet Symposium on the Biological Effects of Pollution on Marine Organisms : symposium sponsored as part of the U.S.-U.S.S.R. agreement on protection of the environment /
Published: (1978)

Environmental disasters, natural recovery and human responses /
by: Moral, Roger del, 1943-
Published: (2007)

Environmental disasters, natural recovery and human responses /
by: Moral, Roger del, 1943-
Published: (2007)

Erosion over time on severely disturbed granitic soils : a model /
by: Megahan, Walter F.
Published: (1974)