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Changes in plant community composition resulting from ecological restoration can affect the spatial pattern and variability of soil salinity. Understanding and quantifying the temporal and spatial heterogeneity of soil salinity is essential before decisions can be made about the cost-effective management measures for plant communities following restoration on coastal saline filed. In this study, we...
The spatial and temporal dynamics of the carbon storage of the paleobiomes in eight geological periods (early Carboniferous, late Carboniferous, middle Permian, early Jurassic, late Cretaceous, Eocene, Oligocene and Miocene) were analyzed in this study, based on the area and the estimated unit carbon density of the paleobiomes. The results showed that the change rates of the carbon densities of vegetation...
Spruce (Picea asperata) is a special species of China, it is the main tree building species of high mountains in Sichuan, and plays an important role in the restoration of degraded ecosystems in sub-alpine areas in western China. In this study, impacts of different rotation lengths on carbon storage over 480 years were simulated using the ecosystem Model FORECAST for spruce, FORECAST_SPRUCE. Four...
The climate change has significantly affected the carbon cycling in Yangtze River Basin. To better understand the alternation pattern for the relationship between carbon cycling and climate change, the net primary production (NPP) were simulated in the study area from 1956 to 2006 by using the Integrated Biosphere Simulator (IBIS). The results showed that the average annual NPP per square meter was...
As the key component of the ecosystems, vegetation is the main receptor of acid pollution. The present study aims to reveal influence of acid deposition on vegetations in subtropical China through comparison inter/inter-annual and seasonal variations of NDVI in 11 eco-regions between severe acid rain region (SR) and normal acid rain region (NR), based on the SPOT/VGT_10Day_NDVI and precipitation pH...
Global change affects the natural and living system in various ways. LUCC is becoming the earth system new research hot spot issue. This article uses the remote sensing land cover data of two periods, to study LUCC in the IGBP/GCTE terrestrial transects located at high latitude region. But climatic change's result feeds back to the natural system, and then affects the land cover through environment...
Vegetation monitoring with spectral vegetation index (VI) has made great advances over the last several decades, and numerous vegetation indexes have been developed as well. However, the monitoring accuracy with conventional VI in rugged mountains is disturbed some extent by topographic effects. This paper presents one novel topography - adjusted vegetation index (TAVI) to obtain correct vegetation...
Numerous vegetation indexes have been developed for assessing vegetation characteristics and are still of increasing importance in environmental application of remote sensing. However, few of them are targeted to reduce topographic effects in rugged area. A novel topography-adjusted vegetation index (TAVI) is presented in this paper by combination of near-infrared and red wavebands data with topography...
Terrestrial vegetation is an important component of ecosystem. Quickly and accurately monitoring the status of vegetation growth and evolution has certain reference meaning in the socio-economic constructions and ecological studies. Remote sensing is an effective measure to monitor vegetation at regional and global scales. Taking the sensitive area to the global climate and environmental change, Lake...
Plant litter is an important carbon pool in the terrestrial carbon balance. Therefore, it is important to acquire the spatial distribution of litter storage at a large scale, in order to predict the effects of environmental changes, such as climate warming and precipitation changes on plant communities. The present study analyzed the spatial distribution of litter storage in China, based on the field...
This paper presents an inversion model for vegetation moisture content based on remotely sensed data. Vegetation moisture content is an important index characterizing eco-water,which refers to the water closely related to vegetation and which plays an important role in adjusting and supplying surface water and ground water during the hydrological cycle. It shows the capability of the vegetation to...
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