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Diet composition of post-metamorphic bullfrogs (Rana catesbeiana) in the Zhoushan archipelago, Zhejiang Province, China
Bullfrogs (Rana catesbeiana) are listed as one of the 100 worst invasive alien species in the world. They are generalist predators and thus may affect native species through predation. In previousExpand
Chemical constituents from Mongolian herb Syringa pinnatifolia var. alashanensis.
Two new sesquiterpenes, innatifolone A (1) and pinnatifolone B (2), along with 6 known compounds, furostan (3), isocalamendiol (4), pluviatolide (5), (8S,8'R,9S)-cubebin (6),Expand
[Study on the comparison of polysaccharides in Ginkgo biloba leaves].
OBJECTIVE To determine the suitable tree's age, tree's sex and gathering seasons for Ginkgo biloba leaves. METHODS The twelve different polysaccharides were obtained by extracting and precipitatingExpand
Breeding ecology and oviposition site selection of black-spotted pond frogs (Rana nigromaculata) in Ningbo, China
The black-spotted pond frog (Rana nigromaculata) is one of the most widely distributed species in China. However, there have been only a few qualitative descriptions of their breeding ecology andExpand
New fossil record of Cladium (Cyperaceae) from the Middle Miocene of Zhenyuan, SW China, and the palaeobiogeographical history of the genus
Monocotyledons first evolved in the early Cretaceous followed by marked diversification and range expansion in the Paleogene. However palaeobiogeographical studies of the Monocotyledons is rare.Expand
Fruits of Scirpus (Cyperaceae) from the early Miocene of Weichang, Hebei Province, North China and their palaeoecological and palaeobiogeographical implications
This paper describes the fossil fruits of Scirpus weichangensis X.Q. Liang, sp. nov. from the early Miocene of Guangyongfa Village, Weichang County, Hebei Province, North China. The fossil fruits areExpand
First fossils of Zygogynum from the Middle Miocene of Central Yunnan, Southwest China, and their palaeobiogeographic significance
The collision of Gondwana and Laurasia effected plant exchanges between the two continents and thus affected the evolution of the flora of Yunnan, Southwest China. Consequently, the plant diversityExpand
[Determination of molecular weight and content of Ginkgo biloba exocarp polysaccharides by HPLC].
OBJECTIVE To determine the molecular weight and content of Ginkgo biloba exocarp polysaccharides. METHOD The analysis was carried on a PL aquagel-OH MIXED (7.5 mm x 300 mm, 8 microm) chromatographyExpand