The Responses of the Quantitative Characteristics of a Ramet Population of the Ephemeroid Rhizomatous Sedge Carex physodes to the Moisture Content of the Soil in Various Locations on Sand Dunes

Table 2

Two-way ANOVA of the effects of location, sampling date, and their interactions on the ramet height, aboveground biomass, underground biomass, ramet biomass density, and ramet population density.

	Source	d.f.	SS	MS	𝐹-value	𝑃 value
Ramet height	Location	2	17.305	8.152	3.679	0.027
	Sampling date	4	276.826	66.957	30.219	0.000
	Location × sampling date	8	9.411	1.176	0.531	0.833
Aboveground biomass	Location	2	33.210	16.605	6.614	0.002
	Sampling date	4	69.240	17.310	6.895	0.000
	Location × sampling date	8	136.218	17.027	6.782	0.000
Underground biomass	Location	2	0.552	0.276	12.962	0.000
	Sampling date	4	1.847	0.462	21.693	0.000
	Location × sampling date	8	0.345	0.043	2.029	0.045
Ramet biomass density	Location	2	827867.708	41393.354	116.009	0.000
	Sampling date	4	18051.739	4512.935	12.648	0.000
	Location × sampling date	8	8128.117	1016.015	2.847	0.005
Ramet population density	Location	2	191020.398	95510.199	33.990	0.000
	Sampling date	4	11304.919	2826.230	1.006	0.412
	Location × sampling date	8	29459.721	4208.532	1.498	0.185