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Table 5 Loadings of each provenance on the first (PC1) and second (PC2) principal component axis for each test site

From: Dendroclimatic analysis of white pine (Pinus strobus L.) using long-term provenance test sites across eastern North America

Provenance origin location Test site location
Wabeno, WI Manistique, MI Pine River, MI Newaygo, MI Turkey Point, ON Ganaraska, ON Orono, ME
Union, GA (0.17, 0.97) (0.53, 0.81) (0.59, 0.71) (0.69, 0.37) (0.21, 0.96) (0.31, 0.95) (0.85, 0.37)
Greene, TN (0.32, 0.33) (0.57, 0.74) (0.31, 0.93) (0.66, 0.55) (0.75, 0.45) (0.90, 0.35) (0.65, 0.71)
Monroe, PA (0.52, 0.32) (0.81, 0.50) (0.66, 0.72) (0.74, 0.56) (0.74, 0.59) (0.90, 0.39) (0.54, 0.82)
Franklin, NY (0.76, 0.34) (0.79, 0.59) (0.49, 0.85) (0.66, 0.69) (0.92, 0.33) (0.59, 0.79) (0.54, 0.80)
Penobscot, ME (0.17, − 0.08) (0.81, 0.52) (0.76, 0.38) (0.70, 0.64) (0.88, 0.36) (0.65, 0.71)
Ashland, OH (0.49, 0.19) (0.74, 0.61) (0.71, 0.66) (0.93, 0.30) (0.73, 0.52) (0.82, 0.49) (0.69, 0.65)
Allamakee, IA (0.73, 0.12) (0.68, 0.65) (0.78, 0.51) (0.74, 0.55) (0.88, 0.34) (0.79, 0.53) (0.79, 0.55)
Cass, MN (0.31, −0.12) (0.75, 0.62) (0.57, 0.75) (0.61, 0.69) (0.95, 0.25) (0.71, 0.64) (0.74, 0.63)
Forest, WI (0.86, 0.14) (0.83, 0.50) (0.73, 0.64) (0.86, 0.37) (0.81, 0.55) (0.93, 0.30) (0.69, 0.71)
Lunenburg, NS (0.74, 0.25) (0.82, 0.52) (0.66, 0.69) (0.65, 0.69) (0.58, 0.72) (0.37, 0.92) (0.40, 0.90)
Pontiac, QC (0.34, 0.14) (0.90, 0.38) (0.77, 0.55) (0.21, 0.95) (0.83, 0.44) (0.84, 0.49) (0.71, 0.65)
Algoma, ON (0.71, − 0.14) (0.76, 0.51) (0.89, 0.31) (0.75, 0.60) (0.71, 0.62) (0.85, 0.39) (0.82, 0.54)
Newaygo, MI (0.59, 0.21) (0.38, 0.87) (0.74, 0.53) (0.89, 0.31)