Ecological Processes

Table 2 Estimated percentage variance across hierarchical levels (zone:population:tree:seed) and seed traits

From: Image analysis of Moroccan carob seeds (Ceratonia siliqua L.) revealed substantial intraspecific variations depending on climate and geographic origin

Trait	Geographic zone	Population	Tree	Seed	Residual
Area	56.62	2.20	29.95	4.40	6.83
Perimeter	56.32	2.28	29.72	5.37	6.30
Width	43.49	3.06	28.27	0.00	25.17
Length	47.58	0.94	34.00	0.00	17.48
Circularity	8.13	3.06	24.86	0.00	63.95
Aspect ratio	13.81	1.40	43.29	0.00	41.51
Roundness	13.47	1.87	40.74	0.00	43.92

The maximum values of variance per hierarchical level are in bold

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