Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
PHOSPHORUS BUDGETS AND STOICHIOMETRY DURING THE OPEN-WATER SEASON IN 2 UNMANIPULATED LAKES IN THE EXPERIMENTAL LAKES AREA, NORTHWESTERN ONTARIO
Autore:
CAMPBELL P;
Indirizzi:
FISHERIES & OCEANS CANADA,INST FRESHWATER,501 UNIV CRESCENT WINNIPEG MB R3T 2N6 CANADA
Titolo Testata:
Canadian journal of fisheries and aquatic sciences
fascicolo: 12, volume: 51, anno: 1994,
pagine: 2739 - 2755
SICI:
0706-652X(1994)51:12<2739:PBASDT>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRECAMBRIAN SHIELD; EUTROPHICATION; PHYTOPLANKTON; NITROGEN; ZOOPLANKTON; DYNAMICS; CARBON; PHOSPHATE; NUTRIENTS; RATIO;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
52
Recensione:
Indirizzi per estratti:
Citazione:
P. Campbell, "PHOSPHORUS BUDGETS AND STOICHIOMETRY DURING THE OPEN-WATER SEASON IN 2 UNMANIPULATED LAKES IN THE EXPERIMENTAL LAKES AREA, NORTHWESTERN ONTARIO", Canadian journal of fisheries and aquatic sciences, 51(12), 1994, pp. 2739-2755

Abstract

A comparative mass-balance approach is used to describe and quantify phosphorus (P) cycles during the open-water season in two unmanipulated Experimental Lakes Area (ELA) lakes. A bimodal cycle generally prevailed, in which water-column total phosphorus (TP = total dissolved P plus sestonic particulate P) peaked just after ice-out and again late in the summer. Changes in mass of water-column TP were often much larger than corresponding net external inputs. Shifts of P to and from either zooplankton or fish in the water column do not explain the P residuals. Rather, the bottom sediments must have been adding P to the watercolumn. Short-term regeneration of P from the bottom sediments also probably occurs in artificially eutrophied ELA lakes. The mechanism of regeneration is probably biological. Other aspects of P cycling and P stoichiometry are discussed, particularly in relation to nutrient control of population structure and the function of primary and secondary producers.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 05:08:34