Zobrazeno 1 - 10 of 32 pro vyhledávání: '"D J McQueen"'
1
Sockeye salmon (Oncorhynchus nerka) nursery lake fertilization: Review and summary of results
Autor: K S Shortreed, D P Rankin, K D Hyatt, D J McQueen
Publikováno v: Environmental Reviews. 12:133-162
We reviewed 24 sockeye salmon (Oncorhynchus nerka) nursery lake experiments that involved whole-lake fertilization with appropriate treatment and control years. We found that: 21 of 21 studies showed that fertilization was associated with increased c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0e7a2d0ea34bfb4b746f250be42817b
https://doi.org/10.1139/a04-008
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2
Freshwater food web biomanipulation: A powerful tool for water quality improvement, but maintenance is required
Autor: D. J. McQueen
Publikováno v: Lakes & Reservoirs: Science, Policy and Management for Sustainable Use. 3:83-94
Experiences with lake food web biomanipulation have involved three basic biomanipulation types, repeated in two freshwater environments with distinctly different physio-chemical characteristics. The manipulation types are planktivore additions, compl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cbfaab34eea1486bfffd8048052cee87
https://doi.org/10.1111/j.1440-1770.1998.tb00035.x
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3
Multiple effects of planktivorous fish on algae through a pelagic trophic cascade
Autor: C W Ramcharan, R L France, D J McQueen
Publikováno v: Canadian Journal of Fisheries and Aquatic Sciences. 53:2819-2828
We used a 2 × 2 factorial design enclosure study of biomanipulation (controls, with fish, with added nutrients, and with both fish and nutrients) during 1987 in Lake St. George, Ontario, to determine the impacts of planktivorous fish on phytoplankto
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::997299484587090382be06f50b2134c9
https://doi.org/10.1139/f96-224
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4
Hydrogen peroxide formation: The interaction of ultraviolet radiation and dissolved organic carbon in lake waters along a 43-75°N gradient
Autor: D. J. McQueen, Norman M. Scully, D. R. S. Lean
Publikováno v: Limnology and Oceanography. 41:540-548
Hydrogen peroxide (H 2 O 2 ) formation rates (nM h -1 ), photoproductive capacity (nM W -1 h -1 m -2 ), and H 2 O 2 formation efficiency ( Φ H 2 O 2 ) were measured on water samples exposed to a standard light source with a spectral composition simi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::330ded0d8f3111384a78f5e00e9b56ff
https://doi.org/10.4319/lo.1996.41.3.0540
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5
Photochemical formation of hydrogen peroxide in lakes: effects of dissolved organic carbon and ultraviolet radiation
Autor: D. J. McQueen, Norman M. Scully, William J. Cooper, David R. S. Lean
Publikováno v: Canadian Journal of Fisheries and Aquatic Sciences. 52:2675-2681
Hydrogen peroxide (H2O2) was measured in situ over periods of 48 or 72 h every 3 h at several depths throughout the water column in six lakes with a wide range of limnological features. These included a comparison of relatively clear Sharpes Bay with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c23b9084710fa43b57a0636124f55396
https://doi.org/10.1139/f95-856
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8
Organochlorine Concentrations in the Plankton of Lakes in Southern Ontario and Their Relationship to Plankton Biomass
Autor: William D. Taylor, D. J. McQueen, J. H. Carey, David R. S. Lean
Publikováno v: Canadian Journal of Fisheries and Aquatic Sciences. 48:1960-1966
Hydrophobic organochlorine contaminants were surveyed in net plankton from 33 lakes in southern Ontario. Organochlorines were detected in all lakes. The relative concentrations of 12 common organochlorines were generally similar, suggesting that they
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36f7bb344a5e655d75184ac67590d0f1
https://doi.org/10.1139/f91-233
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9
OPINION Manipulating lake community structure: where do we go from here?
Autor: D. J. McQUEEN
Publikováno v: Freshwater Biology. 23:613-620
SUMMARY. 1 More than 10 years experience with whole lake pelagic manipulation has suggested some general trends applicable to all freshwater pelagic communities and some specific trends related to lake depth. 2 Among the general trends is the observa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad0a3267df3037429e3db1f7d10ab8dc
https://doi.org/10.1111/j.1365-2427.1990.tb00299.x
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