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Tropical rainforest biodiversity and aboveground carbon changes and uncertainties in the Selva Central, Peru

P. Gonzalez,B. Kroll,Carlos Vargas

Published 2014 in Forest Ecology and Management

ABSTRACT

Abstract Tropical deforestation has reduced the extent of natural forests, which conserve biodiversity, provide essential resources to people, and reduce climate change by storing carbon. Forest conservation projects need tree species data to effectively manage biodiversity while greenhouse gas reduction programs require robust methods to estimate forest carbon. Here, we use field measurements, remote sensing, and Monte Carlo analyses to quantify tree biodiversity and aboveground carbon changes and uncertainties in 5200 km2 of Amazonian and Yungas rainforest and other land around the Parque Nacional Yanachaga-Chemillen and two other protected areas in the Selva Central, Peru. Field inventories of 17 ha found 438 tree species in 156 families. Field measurements of 10,838 trees and Monte Carlo analyses of uncertainties in measurements, allometric equations, wood density, and the carbon fraction of biomass showed that aboveground live carbon densities were 93 ± 39 Mg ha−1 (mean ± 95% confidence interval [CI]) in old-growth forest and 40 ± 10 Mg ha−1 in secondary forest. Carbon density was significantly correlated to tree species richness (P

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