1.
Science
; 333(6046): 1093; author reply 1093, 2011 Aug 26.
Artigo
em Inglês
| MEDLINE
| ID: mdl-21868655
RESUMO
Zhao and Running (Reports, 20 August 2010, p. 940) reported a reduction in global terrestrial net primary production (NPP) from 2000 through 2009. We argue that the small trends, regional patterns, and interannual variations that they describe are artifacts of their NPP model. Satellite observations of vegetation activity show no statistically significant changes in more than 85% of the vegetated lands south of 70°N during the same 2000 to 2009 period.
Assuntos
Ciclo do Carbono , Secas , Ecossistema , Plantas/metabolismo , Atmosfera , Biomassa , Dióxido de Carbono , Fotossíntese , América do Sul
2.
MODIS Enhanced Vegetation Index data do not show greening of Amazon forests during the 2005 drought.
New Phytol
; 189(1): 11-5, 2011 Jan.
Artigo
em Inglês
| MEDLINE
| ID: mdl-21039569