31 datasets found

Tags: 1970s Categories and Collections: water

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  • Assessment of the Impact of the Kemano II Proposal on the Fish and Wildlife R...

    In 1974 and 1975, the Fish and Wildlife Branch conducted field studies on the fish and wildlife populations in the Nanika-Kidprice system which would be affected by the proposed Kemano II project. The field portion of these studies was funded by B.C. Hydro....
  • An Investigation of the Condition of Kathlyn Lake, with Suggestions for Rehab...

    As early as 1970, and continuing into the year 1973, concerned citizens of the Smithers area brought to the attention of the Water Resources Services the fact that nuisance weed growths were occurring (and increasing) in Kathlyn Lake. In response to this...
  • DFO Area 4 Annual Reports 1950 - 1972

    DFO Area 4 Annual Narrative Reports from 1950 to 1972. Reports include comments on spawning summaries (coho, sockeye, pink and chinook), commercial fisheries, sport fisheries, Indian Food fisheries, water levels, herring, pollution (chemical spills),...
  • DFO Area 4 Reports 1973 - 1984

    DFO Area 4 Annual Narrative Reports from 1973 to 1984. Reports include comments on spawning summaries (coho, sockeye, pink and chinook), commercial fisheries, sport fisheries, Indian Food fisheries, water levels, herring, pollution (chemical spills),...
  • Cutthroat Fishery - Lakelse River/Lake

    A compilation of various studies and emails between the researchers and the Ministry of Environment in regards to Lakelse Lake and River assessment through the years of 1969-2001.
  • Chemical, Biological and Physical Characteristics of Lakelse Lake

    The chemical, biological and physical characteristics of Lakelse Lake, B.C., were investigated during 1974-1975. This report also summarizes relevant fisheries - limnological information published on this watershed. The survey was initiated to help resolve...
  • Water Resources Service Pollution Control Branch - Lakelse Lake Water Quality...

    A comprehensive water quality limnology study in Lakelse Lake was completed by the Pollution Control Branch in 1973 - 74. The expressed purpose of this study, as developed by the North Region Pollution Control Branch in conjunction with Projects and...
  • The Skeena River Estuary Status of Environmental Knowledge to 1975: Report of...

    This report compiles and summarizes knowledge on the Skeena River Estuary, providing useful background information for those concerned with environmental impacts of these and other contemplated developments.
  • The Salinity Intrusion of the Skeena River Observations of Salinities, Temper...

    Observations of salinities, temperatures and currents are presented in the form of vertical profiles at stations in the lower reaches of the Skeena River and in the approaches to the estuary. The data were obtained at freshet conditions in the summer of...
  • Skeena Delta Sedimentation, British Columbia

    Sediment samples were collected from the sea floor off the delta front, from the lower reaches of the Skeena River channels, and from small beaches and basins in the vicinity of Ridley Island. This paper describes the results of the grain analysis and...
  • Seymour Lake Rehabilitation Reconnaissance Report 1978

    This purpose of this reconnaissance report is to provide further information on the proposed rehabilitation of Seymour Lake with special attention to potential problem areas and coarse fish barrier location.
  • Morice River Stream Survey August 1975

    A survey investigating the fish, and especially the steelhead values, of the small feeder creeks of the Morice River was conducted from August 6-15, 1975. The biological data included fish species present, invertebrates, in-stream and bank vegetation,...
  • Morice Lake Nutrient Samples

    Nutrient samples (surface) were collected at four intervals at 11 stations on Morice Lake during the period June 1973 to September 1973. The samples were analyzed to determine mean concentrations of total phosphorus, Nitrogen, and Ammonia.
  • Maxan Lake Survey 1973

    This lake survey evaluates Maxan Lake. Elements included are the location, physical characteristics, and water quality of the lake, the species present, and the surrounding anthropogenic activities.
  • Lake Survey - General Information Seymour Lake

    This resource provides information from a general lake survey of Seymour lake in the summer of 1974. The geography, species, temperatures, access, and general information are included.
  • Chemical and Biological studies of Babine Lake

    Because of the increasing industrial operations and rapidly growing human activities on the watershed of Babine Lake there have been many multi—disciplinary studies carried out in this area to study their possible impacts on the water quality and fish...
  • Bulkley Lake Survey 1974

    This lake survey evaluates Bulkley Lake. Elements included are the location, physical characteristics, and water quality of the lake, the species present, and the surrounding anthropogenic activities.
  • Biophysical Stream Survey of Fourteen Sockeye Streams Tributary to Babine-Nil...

    This stream inventory aims to employ a biophysical method of aquatic systems inventory to the fourteen sockeyes streams, experiment with methodology based on low-level Arial inventory, and provide Fisheries Service personnel with a better data base.
  • Bathymetry map of Maxan Lake

    1973 Bathymetric Survey of Maxan Lake by the BC Ministry of Environment.
  • B.C. Timber Pulp Mill, Porpoise Harbour An Assessment of Mill Impact on the R...

    This report presents data collected from June 1979 to April 1982 relating to water quality, sediment, organic and trace metal content, and benthic invertebrates from the vicinity of the B.C. Timber pulp mill, Porpoise Harbour.
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