Network Center for EANET - ICP Forests
Network Center for EANET - ICP Forests
Network Center for EANET - ICP Forests
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Long-term soil acidification<br />
at the Lake Ijira Catchment, Japan<br />
pH(H2O)<br />
5.4<br />
5.2<br />
5<br />
4.8<br />
4.6<br />
4.4<br />
a)Suface soil pH(H 2 O)<br />
Plot 37<br />
Plot 38<br />
Plot 41<br />
Plot 46<br />
Plot 49<br />
5.4<br />
5.2<br />
5<br />
4.8<br />
4.6<br />
4.4<br />
b)Subsoil pH(H 2 O)<br />
Plot 37<br />
Plot 38<br />
Plot 41<br />
Plot 46<br />
Plot 49<br />
4.2<br />
4.2<br />
4<br />
4<br />
3.8<br />
3.6<br />
1988<br />
1990<br />
1992<br />
1994<br />
1996<br />
1998<br />
2000<br />
2002<br />
2004<br />
3.8<br />
3.6<br />
1988<br />
<strong>EANET</strong> monitoring<br />
No clear soil acidification has been observed at other sites.<br />
1990<br />
1992<br />
1994<br />
1996<br />
1998<br />
2000<br />
2002<br />
2004
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