Landscape pattern gradient dynamics and desakota features in rapid urbanization area: A case study in Panyu of Guangzhou. Changes of agroecosystem service value during urbanization of Guangzhou City, South China. The exchange of carbon dioxide between crop system and atmosphere in Guangzhou City Mercury concentration and its distribution in Nycticorax nycticorax and Chinese Ardeola bacchus fledglings at Huangpu District of Guangzhou City,China Influence of terrain on plant biomass estimates by remote sensing: a case study of Guangzhou City, China Comparison of TSP, PM2.5 and their water-soluble ions from both inside and outside of Dafushan forest park in Guangzhou during rainy season Spatially fuzzy assessment of regional eco-security in Guangzhou, a fast-urbanizing area: a case study in Guangzhou City Theory and evaluation of urban ecosystem carrying capacity Impact of land-use changes on the ecosystem service value in Guangzhou City