Results 101 to 110 of about 155,598 (201)

Oxygen, carbon, and nutrients in the oligotrophic eastern subtropical North Atlantic [PDF]

open access: yesBiogeosciences, 2010
The Beta Triangle, a region of the oligotrophic subtropical eastern North Atlantic Ocean, is notorious for its enigmatic oxygen, carbon, and nitrogen balances, in which nutrient supply is said to explain only a fraction of production necessary for ...
P. Kähler   +3 more
doaj  

The impact of grazing cattle on soil physical properties and nutrient concentrations in overland flow from pasture, Part B [PDF]

open access: yes, 2007
This report has been prepared as part of the Environmental Research Technological Development and Innovation Programme 2000–2006. The programme is financed by the Irish Government under the National Development Plan 2000–2006.End of project reportThe ...
Bourke, David   +3 more
core  

Environmental Liquid Effluents, A Novel Approach For Treatment Of Industrial Waste Water [PDF]

open access: yes, 2012
Nutrient enrichment or eutrophication of aquatic ecosystems can cause an increase in algae and aquatic plants, loss of component species, and loss of ecosystem function.
Antal, E. E
core  

DINAMICA CALITĂŢII APELOR NISTRULUI DE MIJLOC

open access: yesStudia Universitatis Moldaviae: Stiinte reale si ale naturii, 2011
This paper analyzes the long-term dynamics of dissolved oxygen, mineral forms of nitrogen and phosphorus, organic matter and kinetic parameters of the Moldovan Middle region of Dniester in the period 2005-2010.
USM ADMIN
doaj  

The limnology of Lake Clark, Alaska [PDF]

open access: yes, 2002
Thesis (M.S.) University of Alaska Fairbanks, 2002This study gathered baseline limnological data to investigate the thermal structure, water quality, phytoplankton, and zooplankton of Lake Clark, Alaska.
Wilkens, Alexander Xanthus
core  

Freshwater biology and water supply in Britain [PDF]

open access: yes, 1946
This paper is designed to give a general account of freshwater biology as it bears on waterworks practice. Most water that is used for consumption will commonly go through a storage reservoir.
Gardiner, A.C.   +2 more
core  

Influence of N, P, and Fe availability on Braarudosphaera bigelowii, Trichodesmium, Crocosphaera, and noncyanobacterial diazotrophs: a review

open access: yesFrontiers in Marine Science
Marine biological nitrogen fixation (BNF) is crucial for introducing “new nitrogen” into the oceans. Over the past 30 years, numerous laboratory and on-board culture experiments have been conducted studying the effects of nutrients such as total ...
Wenhui Cao   +7 more
doaj   +1 more source

Water Quality Parameters in Inflow and Outflow of Sakaryaba şı Trout Farm

open access: yesJournal of Agricultural Sciences, 1999
This research was conducted to determine the suitability of the Bat ı Pond inflow in terms of water quality standards for trout production and to evaluate its impact on the River Sakarya.
Serap Pulatsü, Handan Çamdevıren
doaj  

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