Forestry

Articles:

2 The ratio of stable isotopes in leaves and wood reveals an increase in nitrogen availability in Panamanian and Thai tropical forests.
http://www.sciencemag.org/content/334/6056/664.abstract

1 Primary forests are irreplaceable for sustaining tropical biodiversity.
http://www.nature.com/nature/journal/v478/n7369/full/nature10425.html

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