Results 51 to 60 of about 185,089,399 (155)

Sampling protocols for the rapid bioassessment of streams and lakes using benthic macroinvertebrates, Second Edition [PDF]

open access: yes, 1998
Rapid bioassessment protocols have been developed as inexpensive screening tools to assess the biological health of the macroinvertebrate communities of streams and lakes.
Hall, R. J.   +4 more
core   +1 more source

Water use dynamics with conventional and automated milking systems on a dairy farm

open access: yesJournal of Dairy Science
: An increasing proportion of dairy farms are adopting automated milking systems (AMS). At the same time, the dairy industry is actively exploring strategies to reduce the water footprint of milk production.
Andrew VanderZaag   +5 more
doaj   +1 more source

Estimating Tree Diameter at Breast Height (DBH) Using iPad Pro LiDAR Sensor in Boreal Forests

open access: yesCanadian Journal of Remote Sensing
Traditional Diameter at Breast Height (DBH) mensuration is labor-intensive and costly. This scoping study explored the possibility of using the Apple iPad Pro Light Detection And Ranging (LiDAR) sensor to estimate DBH.
Matthew Guenther   +4 more
doaj   +1 more source

Bacteriological water quality of Hodson (Three Mile) Lake, Parry Sound [PDF]

open access: yes, 1974
The Recreational Lakes Self-Help program was established by the Ontario Water Resources Commission with interested cottager associations in 1971, and continued by the Ministry of the Environment since then to assist cottage owners to determine the ...
Harcus, Kathy, Hendry, George S.
core   +1 more source

Comparison of methods for resolving the contributions of local emissions to measured concentrations [PDF]

open access: yesAtmospheric Measurement Techniques
To accurately study the characteristics of an air pollution emitter, it is necessary to isolate the contribution of that emitter to total measured pollution concentrations.
T. D. Edwards   +5 more
doaj   +1 more source

Bacteriological water quality in the Bay of Quinte [PDF]

open access: yes, 1984
Data collected by the Ontario Ministry of the Environment (MOE) in 1981 and 1982, and by the local Health Unit in 1982, determined that Bay of Quinte waters in the vicinity of Trenton, Belleville, and Picton displayed zones of elevated fecal coliform (FC)
Griffiths, Marta
core   +1 more source

Water quality flagging: A method of assessing water quality in Ontario [PDF]

open access: yes, 1980
This report describes and evaluates a procedure for reporting on water quality based on compliance with Provincial Water Quality Objectives and presents an example of the application of this procedure to describe "general" water quality in ...
O'Neill, J. Edward
core  

Deriving receiving-water based, point-source effluent requirements for Ontario waters [PDF]

open access: yes, 1994
This report describes the procedures used by the Ontario Ministry of Environment and Energy (MOEE) to establish receiving-water based effluent requirements for point source discharges to surface waterbodies.
Ontario Ministry of the Environment and Energy
core   +1 more source

Ontario's water quality objective development process [PDF]

open access: yes, 1992
As part of its program to ensure that the surface waters of Ontario are satisfactory for aquatic life and recreation, the Ontario Ministry of the Environment develops Provincial Water Quality Objectives (PWQOs) and Guidelines (PWQGs). This report details
Aquatic Criteria Development Committee, Water Resources Branch, Ontario Ministry of the Environment
core   +1 more source

Scientific criteria for microbiological standards for recreational waters [PDF]

open access: yes, 1984
In June 1983, the Ontario Ministry of the Environment initiated a review of the Microbiological Water Quality Objectives for recreational waters. The purpose of this review was to develop new standards (guidelines) which would be more closely allied to ...
Ministry of the Environment, Hazardous Contaminants and Standards Branch
core   +1 more source

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