Cykl biogeo HG

Atmosfhere    volcanic

Specuss Hg_/R_JHg,RHg' ^Conc■0.005-50-500-40,000 ng nr HgCl_?    Aerosol 1-10 ng nr^{1 2 3} (0.02 ng nr³)

Pool 8-12xl0^{4 5}kg

Biosphęre

Transpiration Csoil & plants)

44,0001 y¹ Preaprtation Hg-S, HgR*    25,000ty¹

j Plants 1-300 ng g⁶

25-30 x 10H y¹

Spedes

Hg^:+/ HgCl₂, HgClj RjHg, RHg*, sorbed on clays, Mn/Fe oxides

runoff 3800-5000 ty¹

In Crust 500 ng g⁴

In Soil conc. 10-500-2000 ng g⁶

In Rocks 4-700 ngg⁶

most <100 ng g⁴

Ground water 10-500-10,000 ng g ⁴ (ore deposits)

Pool (soil)2xl0¹⁰kg

In Oceans 10-270-600 ngl⁶ InFreshwater 0.1-10-50-700ngl⁶ InRainwater 0.001-200ngl⁶

Pools oceans, 41.5x10" kg

fresh water, 0.2 x 10⁴ kg

Lithosphere	Hydrosphere
Species HgS
Pool 3.3 xl0^ukg
Conc. mean200ngg^6
Sediments	■ ■ 1

Fie 5.8 Biogeochemical cycling cf mercury.

1

.    .    ,    „ d Msafl-SOng⁶

2

volcamc degassing I    _{Fish 30}._{1500 ngg} -»_e^ _tuna

3

\Blood 5-20 ngl*⁴

4

1 X, rr .J Pool livmgbiota on clays, Mn/Fe oxides _landl7xf₀,_k

5

humic substances I---_2.

6

Hg$, Cd²* sorbed on _ , .. .    , .