Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Rob C Hart"'
1
Eutrophication as a ‘wicked’ problem
Autor: Rob C Hart, Thomas M. Slawski, Sven-Olof Ryding, Jeffrey A. Thornton, Hebin Lin, Walter Rast, Claudia L. Rast, William R. Harding, Mark Dent
Publikováno v: Lakes & Reservoirs: Science, Policy and Management for Sustainable Use. 18:298-316
Eutrophication, or the enrichment of lakes and reservoirs with plant nutrients such as nitrogen and phosphorus, is an ongoing concern facing human societies around the world. Once thought to have been resolved using engineering approaches such as mun
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::405f3f4e172a0ead2087a07c071eb749
https://doi.org/10.1111/lre.12044
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2
Zooplankton abundance and composition in the hypertrophic Rietvlei Dam, South Africa, negate prospects for its remedial ‘top-down’ biomanipulation
Autor: Rob C Hart
Publikováno v: African Journal of Aquatic Science; Vol 37, No 3 (2012)
Crustacean zooplankton abundance and composition were determined at one offshore and three nearshore sites in the hypertrophic Rietvlei Dam on 19 dates between July 2009 and December 2011. Total biomass fluctuated seasonally, generally declining from
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dc5d41994c4a2c99b722937f2005775
https://doi.org/10.2989/16085914.2012.691073
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3
Body size in freshwater planktonic crustaceans: an overview of extrinsic determinants and modifying influences of biotic interactions
Autor: Rob C Hart, E. A. Bychek
Publikováno v: Hydrobiologia. 668:61-108
In view of its fundamental and pervasive influences and impacts on organism physiology and ecology, body size is recognized as a key component of evolutionary fitness and serves as the cornerstone of a seminal contribution in freshwater zooplankton e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0de1f250cf56dde219694e7f4058533
https://doi.org/10.1007/s10750-010-0400-y
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5
Cladoceran Periodicity Patterns in Relation to Selected Environmental Factors in Two Cascading Warm-Water Reservoirs Over a Decade
Autor: Rob C Hart
Publikováno v: Hydrobiologia. 526:99-118
Temporal changes in occurrence, population density and reproductive intensity (% of breeding individuals, clutch size) of species of the planktonic cladoceran assemblage in two adjacent, cascading, warm, monomictic reservoirs were studied over roughl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ca20050ce39e69e5972e21bc54e5059
https://doi.org/10.1023/b:hydr.0000041610.56021.63
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7
Comparative functional feeding responses of two seasonally alternating African calanoids: the importance of juvenile instars in inter-specific differentiation
Autor: Rob C. Hart
Publikováno v: SIL Proceedings, 1922-2010. 26:1945-1951
(1998). Comparative functional feeding responses of two seasonally alternating African calanoids: the importance of juvenile instars in inter-specific differentiation. SIL Proceedings, 1922-2010: Vol. 26, No. 4, pp. 1945-1951.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::256f5ef746ac0d3c4d17c8dbcdfdc02b
https://doi.org/10.1080/03680770.1995.11901082
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9
[Untitled]
Autor: Rob C. Hart
Publikováno v: Hydrobiologia. 380:77-85
Two copepods – Metadiaptomus meridianus (Douwe) and Tropodiaptomus spectabilis (Kiefer) – were reared from egg to adulthood at defined levels (50, 100, 250, 500, 1000 and 2500 μg C l-1) of the flagellate alga Cryptomonas sp. in 0.45 μm-filtered
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f4672762887a598f2edabb417da4fb3
https://doi.org/10.1023/a:1003486520147
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10
Food-web structure in the hypertrophic Rietvlei Dam based on stable isotope analysis: Specific and general implications for reservoir biomanipulation
Autor: Rob C Hart, WR Harding
Publikováno v: Water SA; Vol 39, No 5 (2013); 615-626
Water SA, Volume: 39, Issue: 5, Pages: 611-614, Published: 2013
Fish predation on zooplankton is the basic foundation for top-down biomanipulation of lacustrine ecosystems. To test this premise, we determined stable isotope (SI) values (δC and δN) of representative samples of major planktonic (phytoplankton, zo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::022d3aff8e727ebf9ac1d2b709e0ea1f
https://www.ajol.info/index.php/wsa/article/view/93200
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