阳性树种 meaning in Chinese

heliophilous species

The dominance species were different in gaps of different sizes , but were mainly composed of intolerant species
不同大小级林隙内的优势种不同，以阳性树种占大多数。
But these six tree species , q . liaotungensis , x . sobifolia , s . vulgaris , p . tabulaeformis , p . armeniace and f . susoensa , could grow better either shade condition or not
丁香、刺槐和侧柏为典型的阳性树种，金银花为典型的阴性树种，辽东栎、文冠果、臭柏、油松、山杏和连翘既可以适应弱光条件，也可以在一定的强光照条件下生长。