Diversity of butterflies in Lianhua Mountain Nature Reserve of Dongguan City,Guangdong Province Understory vegetation community structure and diversity in low-value lichee (Litchi chinensis Sonn.) plantation in Dongguan of South China Landscape ecological security dynamics in a fast growing urban district: the case of Dongguan City Cloning, Characterization and Expression of a Phenylalanine Ammonialyase Gene (M-PAL) from Plantain (Musa ABB cv. Dongguandajiao) Simulation of urban ecological security pattern based on cellular automata: A case of Dongguan City, Guangdong Province of South China. The Characteristics of Fungshui Woods Pygeum topengii-Endospermum chinense Community in Fenggang Town, Dongguan City Research on the cointegration and causality between urban artificial landscape structure change and landscape connectivity in Dongguan City