Morphological and Anatomical Characterization of Ecotype Needles of Cedrus atlantica in Morocco

Table 1

Characteristics of four sampled populations of C. atlantica on transect from Middle to High Moroccan Atlas.

Regions	Localities (code population)	Number of selected trees	Coordinates	Elevation (m, amsl)	Parent rock	Bioclimate (Koppen–Geiger scale)	T (°C)	P (mm)
Middle Atlas Ifrane	Tamrabta (T): less dense population with maritime pine or green oak	10	33°37′N 5°03′W	1605	Calcareous dolomite/sander	Csb: cold subhumid to very cold	11.3	8438
Middle Atlas Azrou	Moudemame (M): a pure and dense population	10	33°25′N 5°11′W	1780	Basalt-calcareous	Csa: fresh humid	14.2	779
	Aït Oufella (O): less dense population with green oak and Juniperus thurifea	10	32°58′N 5°03′W	1982	Calcareous	Bsk: semiarid continental	14.7	263
High Atlas	Aït Ayach (A): less dense population with green oak	10	32°31′N 4°59′W	1972	Calcareous	Csa: semiarid continental	12	459

Csa: hot-summer mediterranean climate; Csb: warm-summer mediterranean climate; Bsk: cold semiarid climate; T: annual mean temperature; P: annual precipitation.