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ACRONYMS

DNPWM: Department of National Parks and Wildlife Management, Republic of Zimbabwe

DSS: Decision Support Systems(s)

EC: European Community

ECLAC: Economic Commission for Latin America and the Caribbean

EE&C: Environmental Education and Communication

EIA: Environmental Impact Assessment

ELMS: Environment and Land Management Sector

EU: European Union

FAPESP: The Sao Paulo State Agency for Support of Research

FWPCA: Federal Water Pollution Control Act

GDP: Gross Domestic Product

GNP: Gross National Product

HELCOM: Helsinki Commission (Baltic Marine Environment Protection Commission)

ILEC: International Lake Environment Committee

IPCC: Intergovernmental Panel on Climate Change

IUCN: World Conservation Union

LAC: Latin American Countries

NGO: Non-governmental Organisation

OAS: Organisation of American States

OSN: Water Supply and Sanitation

OECD: Organisation for Economic Co-operation and Development

SADS: South Africa Development Council

SIL: International Association of Limnology

SRH: Secretariat of Water Resources

UN: United Nations

UNCED: United Nations Conference on Environment and Development

UNEP: United Nations Environment Programme

UNESCO: United Nations Education, Scientific and Cultural Organisation

U.S. EPA: United States of America Environmental Protection Agency

WRI: World Resources Institute

ZACPLAN: Zambezi Action Plan

ZESA: Zimbabwe Electricity Supply Commission

ZESCO: Zambia Electricity Supply Commission

ZRA: Zambezi River Authority

SYMBOLS

Chemical symbols

Al₂(SO₄)₃: aluminum sulfate

C: carbon

Ca-compounds: calcium compounds

Ca(OH)₂: calcium hydroxide

Cl₂: chlorine molecule

BOD: biological oxygen demand

DDT: dichlorodiphenyltrichloroethane

DOC: dissolved organic carbon

FeCl₃: iron chloride

HCB: hexachlorobenzene

LAS: linear alkyl sulfnates (see glossary below for more explanation)

N: nitrogen

NH₄⁺: ammonium ion

N- NH₄⁺: ammonium nitrogen

N-NO₃: nitrate nitrogen

P: phosphorus

PAHs: polyaromatic hydrocarbons

PCBs: polychlorinated biphenyls

P₂O₅: phosphorus pentoxide

PO₄: orthophosphate

P-PO₄: orthophosphate phosphorus

SRP: soluble reactive phosphorus

TP: total phosphorus

Other technical symbols

BNR: biological nutrient removal

Can$: Canadian dollar (i.e., Canadian currency)

CVM: contingent valuation method

g: gram

g/m³: gram per cubic meter

h: hour

ha: hectare

inh: inhabitants

kg: kilogram

kg/ha: kilogram per hectare

kg/ha/year: kilogram per hectare per year

km: kilometer

km²: square kilometer

km³: cubic kilometer

l: liter

l/s: liter per second

m²: square meter

m³: cubic meter

mg: milligram (i.e., 1 x 10^-3 gram)

mg/l: milligram per liter

mg/m²: milligram per square meter

mm: millimeter (i.e., 1 x 10^-3 meter)

MW: megawatts

:g: microgram (i.e., 1 x 10^-6 gram)

:g/l: microgram per liter

:m: micrometer (i.e., 1 x 10^-6 meter)

P/ha/year: phosphorus per hectare per year

RMB: Renminbi (i.e., Chinese currency)

s: second

SKr: Swedish Krone (i.e., Swedish currency)

t: ton (metric)

t/ha: ton per hectare

TCM: travel cost method

US$: United States of America dollar (i.e. United States of America currency)

WPS: water protection sections (in a reservoir)

WTP: willingness to pay

Table of Contents

• Brochure
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• International Year of Forests
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• World Environment Day
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• UNEP Campaign
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