Table 2 Correlations between stand NPP time-series and tree ring chronologies for three forest types in four sites.

From: Tree-ring widths are good proxies of annual variation in forest productivity in temperate forests

Site

Forest Type

Chronology

Residual

Standard

Arstan

Mt. Changbai

BPF

0.940

0.984

0.981

DBF

0.289

0.360

0.348

MBNF

0.463

0.573

0.544

Jiaohe

BPF

0.589

0.620

0.621

DBF

0.526

0.720

0.769

MBNF

0.732

0.927

0.889

Wuying

BPF

0.781

0.920

0.918

DBF

0.603

0.828

0.813

MBNF

0.791

0.839

0.836

Shengshan

BPF

0.460

0.791

0.733

DBF

0.643

0.810

0.799

MBNF

0.478

0.912

0.892

  1. All correlations were significant at 0.05 level expect those in italics. Abbreviations: BPF, Betula & Populus forest; DBF, deciduous broad-leaved forest; MBNF: mixed broad- & needle-leaved forest.
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