Table 1. Open in new tab Coefficients...

Table 1.

Coefficients and correlation scores for environmental parameters fitted to the tree community composition ordination for 34 vegetation plots surveyed in 2015–2016 on the Coastal Plain of North Carolina demonstrating the significance of elevation and salt as drivers of current community assemblage (significant drivers in bold)

VECTORS	NMDS 1	NMDS 2	R²	Pr(>r)	Significance
Chloride	−0.92663	0.37598	0.2322	0.021	*
Sulphate	−0.93927	0.34318	0.1663	0.058
Elevation	0.05237	−0.99863	0.2478	0.01	**
Bulk density	−0.52053	−0.85384	0.1017	0.187
Moisture	0.4896	0.87195	0.0578	0.404
Organic carbon	0.72116	0.69276	0.1402	0.093
pH	−0.75017	0.66125	0.1022	0.183
Sodium	−0.93051	0.36626	0.2095	0.022	*
Potassium	−0.9328	0.36038	0.2618	0.008	**
Magnesium	−0.61085	0.79174	0.1462	0.072
Calcium	−0.41313	0.91067	0.0835	0.243
Nitrate	0.23275	−0.97254	0.1402	0.094
Ammonium	−0.54522	−0.8383	0.049	0.462

VECTORS	NMDS 1	NMDS 2	R²	Pr(>r)	Significance
Chloride	−0.92663	0.37598	0.2322	0.021	*
Sulphate	−0.93927	0.34318	0.1663	0.058
Elevation	0.05237	−0.99863	0.2478	0.01	**
Bulk density	−0.52053	−0.85384	0.1017	0.187
Moisture	0.4896	0.87195	0.0578	0.404
Organic carbon	0.72116	0.69276	0.1402	0.093
pH	−0.75017	0.66125	0.1022	0.183
Sodium	−0.93051	0.36626	0.2095	0.022	*
Potassium	−0.9328	0.36038	0.2618	0.008	**
Magnesium	−0.61085	0.79174	0.1462	0.072
Calcium	−0.41313	0.91067	0.0835	0.243
Nitrate	0.23275	−0.97254	0.1402	0.094
Ammonium	−0.54522	−0.8383	0.049	0.462

Significance codes: *P < 0.05, **P < 0.01, ***P < 0.001.

This Feature Is Available To Subscribers Only