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Wetland biomass inversion and space differentiation: A case study of the Yellow River Delta Nature Reserve.

07:00 EST 5th February 2019 | BioPortfolio

Summary of "Wetland biomass inversion and space differentiation: A case study of the Yellow River Delta Nature Reserve."

With wetlands categorized as one of the three major ecosystems, the study of wetland health has global environmental implications. Multiple regression models were employed to establish relationships between Landsat-8 images, vegetation indices and field measured biomass in the Yellow River Delta Nature Reserve. These models were then used to estimate the spatial distribution of wetland vegetative biomass. The relationships between wetland vegetative biomass and soil factors (organic matter, nitrogen, phosphorus, potassium, water soluble salt, pH and moisture) were modeled. We were able to achieve higher correlations and improved model fits using vegetative indices and spectral bands 1-5 as independent variables. Several important soil factors were isolated, including soil moisture and salt concentrations, which affect wetland biomass spatial distributions. Overall, wetland biomass decreased from land to the ocean and from the river courses outward.

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This article was published in the following journal.

Name: PloS one
ISSN: 1932-6203
Pages: e0210774

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