Comparison of -Square, Point Centered Quarter, and -Tree Sampling Methods in Pittosporum undulatum Invaded Woodlands

Table 1

Main features of the studied Pittosporum undulatum stands.

Plot number	Location	Maximum elevation (m a.s.l.)	Area (ha)	Other species
1	Ribeira do Guilherme	700	120.0	Laurus azorica, Morella faya
2	Mata dos Bispos	500	2.5	Laurus azorica, Erica azorica,; Clethra arborea
3	Pico das Camarinhas	250	10.0	Morella faya
4
5	Pico da Furna	311	2.2	Acacia melanoxylon
6	Picos de Lima,; Fenais da Luz	312	2.3	Acacia melanoxylon

West slope, outside volcanic crater, and Caldera, inside volcanic crater.