As an ecotone, the region between Amazon Rainforest and Tropical Savanna (Cerrado) biomes is, by definition, more susceptible to climate change. Therefore, understanding palaeoenvironmental dynamics is essential address future responses of such transition areas climatic fluctuations. In this context, we present a new sediment record for Late-Holocene retrieved from Barro-Preto, currently oxbow ...

The diversity and distribution of the rotifers family Notommatidae was studied in the northwest, the south and the southwest of Iran. In total, 29 species were identified, of which, 25 are new records for the country. New records include the following species: Cephalodella forficata, C. cf. mus, C. vittata, C. ventripes, C. lepida, C. inquilina, C. gibboides, C. tincaformis , C. obvia, C. stere...

Nitraria tangutorum nebkhas are widely distributed in the arid and semi-arid desert areas of China. The formation development N. result interaction between vegetation surrounding environment process community succession. Different successional stages differences structure composition, thereby strongly affecting distribution soil nutrients ecosystem stability. However, ecological stoichiometry d...