16.05.2013 Views

guía práctica de experimentos para - Ecologia e Gestão Ambiental

guía práctica de experimentos para - Ecologia e Gestão Ambiental

guía práctica de experimentos para - Ecologia e Gestão Ambiental

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Geophysics Research 109:. C11010, doi:<br />

10.1029/2004JC002419.<br />

3. Estevez. E.D. 2002. Review and assessment<br />

of biotic variables and analytical methods<br />

used in estuarine inflow studies. Estuaries 25:<br />

1291-1303.<br />

4. Grasshoff K., Ehrhardt M., Kremling K. (eds).<br />

1983. Methods of Seawater Analysis 2nd<br />

edition. Verlag Chemie, Weinheim. Germany..<br />

5. Mueller J.L., Bidigare R.R., Trees C., Dore J.,<br />

Karl D., van Heukelem L. 2003. Ocean optics<br />

protocols for satellite ocean color sensor<br />

validation, Revision 4, Volume V:<br />

Biogeochemical and bio-optical<br />

measurements and data analysis protocols.<br />

NASA/TM−2003−211621 / Rev4−Vol.V.<br />

6. Sieburth J., Smetacek V., Lenz J. 1978.<br />

Pelagic ecosystem structure: Heterotrophic<br />

compartments of the plankton and their<br />

relationship to plankton size fractions.<br />

Limnology and Oceanography 23:1256-1263.<br />

7. Vidussi F., Claustre H., Manca B.B., Luchetta<br />

A., Marty J-C. 2001. Phytoplakton pigment<br />

distribution in relation to upper thermocline<br />

circulation in the eastern Mediterranean sea<br />

water during winter. Journal of Geophysics<br />

Research 106:19939-19956.<br />

ANEXO<br />

ecuación 1: Mediciones <strong>de</strong> Clorofila a (Aminot,<br />

Rey 2000)<br />

Chl a = 11.4·K·[(E665o-E750o)-(E665a-<br />

E750a)]·Ve/L·Vf<br />

Nota: La unidad <strong>de</strong> concentración <strong>para</strong> la<br />

Clorofila a es mg/m 3<br />

.<br />

Leyenda:<br />

E750o = absorbancia a 750 nm antes <strong>de</strong> acidificación<br />

E665o = absorbancia a 665 nm antes <strong>de</strong> acidificación<br />

E750a = absorbancia a 750 nm antes <strong>de</strong> acidificación<br />

Tabla 1. Hoja sugerida <strong>para</strong> la organización <strong>de</strong> los datos.<br />

PRACTICAL EXPERIMENTS GUIDE FOR ECOHYDROLOGY<br />

120<br />

E665a = absorbancia a 665 nm antes <strong>de</strong> acidificación<br />

K=2.43<br />

Ve=Volumen <strong>de</strong> extracción (mL)<br />

Vf=Volumen <strong>de</strong> filtrado (L)<br />

L=Cubeta <strong>de</strong> medición (cm)<br />

ecuación 2: clasificación <strong>de</strong>l tamaño <strong>de</strong>l<br />

fitoplancton por Sieburth et al. (1978):<br />

Picofitoplancton < 2 μm<br />

Nanofitoplancton 2-20 μm<br />

Microfitoplancton 20-200 μm<br />

ecuación 3: Pigmentos <strong>para</strong> diagnóstico (DP)<br />

por Vidussi et al. (2001):<br />

Zeaxantina Zea<br />

Clorofila b +<br />

Divinil-clorofila b Tchl b<br />

Aloxantina Allo<br />

19’ hexanoiloxifucoxantina 19’ HF<br />

19’ butanoiloxifucoxantina 19’ BF<br />

Fucoxantina Fuco<br />

Peridinina Peri<br />

ecuación 4:. Algoritmos <strong>de</strong> Vidussi <strong>para</strong> el<br />

espectro <strong>de</strong> tamaños.<br />

Proporción <strong>de</strong> Biomasa <strong>de</strong> picofitoplancton:<br />

BPpico = (Zea + Tchl b)/DP<br />

DP = Zea+Tchl b+Allo+19’ HF+19’ BF+Fuco+Peri<br />

Proporción <strong>de</strong> Biomasa <strong>de</strong> nanofitoplancton:<br />

BPnano = (Allo + 19’ HF + 19’ BF)/DP<br />

Proporción <strong>de</strong> Biomasa <strong>de</strong> microfitoplancton:<br />

BPmicro = (Fuco + Peri)/DP<br />

ecuación 5:. Índice <strong>de</strong> tamaño (SI) por Bricaud<br />

et al. (2004):<br />

SI = BPpico+(BPnano·5)+(BPmicro·50)<br />

Estación Día Nutrientes Total Chl Pigmentos <strong>de</strong> Diagnóstico<br />

N-NH4 N-NO3 P Si Zea T Chlb Allo 19’ HF Fuco Peri SI<br />

1 1<br />

2 1<br />

1 2<br />

2 2<br />

1 3<br />

2 3<br />

1 4<br />

2 4<br />

1 5<br />

2 5

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!