Asia greened by Increased CO2 Fertilisation

Ichii et al
A peer-reviewed paper published in Remote Sensing5 by Ichii et al showed that, over the last 30 years vegetation has increased in Asia as atmospheric Carbon Dioxide, plant fertiliser has increased. (Link) 40% of the area has experienced a significant increase in vegetation.

Abstract: Past changes in gross primary productivity (GPP) were assessed using historical satellite observations based on the Normalized Difference Vegetation Index (NDVI) from the Advanced Very High Resolution Radiometer (AVHRR) onboard the National Oceanic and Atmospheric Administration (NOAA) satellite series and four terrestrial biosphere models to identify the trends and driving mechanisms related to GPP and NDVI in Asia. A satellite-based time-series data analysis showed that approximately 40% of the area has experienced a significant increase in the NDVI, while only a few areas have experienced a significant decreasing trend over the last 30 years. The increases in the NDVI are dominant in the sub-continental regions of Siberia, East Asia, and India. Simulations using the terrestrial biosphere models also showed significant increases in GPP, similar to the results for the NDVI, in boreal and temperate regions. A modeled sensitivity analysis showed that the increases in GPP are explained by increased temperature and precipitation in Siberia. Precipitation, solar radiation and CO2 fertilization are important factors in the tropical regions. However, the relative contributions of each factor to GPP changes are different among the models. (bold added)
Ichii, K., Kondo, M., Okabe, Y., Ueyama, M., Kobayashi, H., Lee, S.-J., Saigusa, N., Zhu, Z. and Myneni, R.B. 2013. Recent changes in terrestrial gross primary productivity in Asia from 1982 to 2011. Remote Sensing5: 6043-6062.
The Idso's CO2 Science sees it this way:
What it means
As the atmosphere's CO2 concentration continues to rise - thanks to the CO2 emissions of people the world over - Earth's terrestrial plants are photosynthesizing at ever greater rates while using water ever more efficiently, which phenomena are leading to a great Greening of the Earth that is literally transforming the planet - for the better - right before our eyes.

Increasing Atmospheric CO2
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