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Terms for subject Ecology (2538 entries)
PST Primary Settlement
PTP pollutant transfer program
PTU pressure, temperature, humidity
Public Environmental Analysis PEA
Public Interest Environmental Law Conference PIELC
PUP pick-up pump
PWS public water supply
QPF quantitative precipitation forecast
Quality Assurance/Environmental Monitoring Team QMT
Quality Environmental Education QEC
Quincy Environmental Network QEN
RACT reasonably available control technology
RAD relative air density
Radius of Curvature of river or stream RC
Range of Natural Variation Ecosystem Classes RNV
Rangeland Fire Danger Index RFDI
RBC rotating biological contactor
RCG radioactivity concentration guides
RECs Renewable Energy Credits 'More
Recycling Education Assistance for the Public REAP