Production ecology and conservation biology have long focused on providing the knowledge
base for intensive food production and biodiversity conservation, respectively. With …

For policymakers, biodiversity can present more complex challenges than climate change,
argue Michel Loreau, Alfred Oteng-Yeboah and their co-authors. So why isn't there an …

Na + channels are the primary molecular targets of the pyrethroid insecticides. Na +
channels consisting of only a type IIA α subunit expressed in Chinese hamster ovary cells …

Xu et al.(1) make a most useful contribution to the debate on protected areas (PAs) in China
and make a welcome focus on ecosystem services rather than threatened species. …

In the precolonial period. pastoralists usually had customary control of forest areas and
resources in Sahelian Africa. As colonies were established, traditional usage was swept aside …

Against a backdrop of climate change the known interactions between forest cover and
climate have prompted widespread condemnation of forest losses, but does the irreversible …

In the past in Africa, state forest administration took nominal control of local forest management
from rural populations. This control, based on a European concept of management, …

Use of the stereospecific condensation of ß carbalkoxysulfones with aldehydes, followed by
the stereospecific reduction of the afforded sulfonyl acrylate with sodium dithionite allows us …

… Author links open overlay panel Dominique Lesuisse a , Gilles Tiraboschi c , Alain Krick
d , Pierre-Yves Abecassis d , Gilles Dutruc-Rosset a , Didier Babin a , Frank Halley a …

Abstract The 4-chloro5-nitropyrimidines 2 and 5 upon treatment with sodium azide,
rearrange to give nitromethylene tetrazole 4 and 6 respectively.