权威例句
The Value of clean water: The public's willingness to pay for boatable, fishable, and swimmable quality waterSite length for biological assessment of boatable rivers.Electrofishing in boatable rivers: Does sampling design affect bioassessment metrics?MACROINVERTEBRATE–PRESSURE RELATIONSHIPS IN BOATABLE NEW ZEALAND RIVERS: INFLUENCE OF UNDERLYING ENVIRONMENT AND SAMPLING SUBS...Principles & Processes for Assessing Fish Assemblage Condition in Boatable Rivers of Five ContinentsAssessing the Transitional Waters Between Wadeable Streams and Boatable RiversQuantifying Whitewater Recreation Opportunities in Cataract Canyon of the Colorado River, Utah: Aggregating Acceptable Flows and Hyd...Assessment of fish abundance and species composition at selected sites in South Dakota: an overviewPublic Perceptions of Climate Change: A 'Willingness to Pay' AssessmentIs Transport Safety More Valuable in the Air?