Abstract
ABSTRACT This research aimed to estimate the seasonal economic value of ecosystem goods and services from research on the use of mangroves in the Cuiarana community in the Eastern Amazon. The methodology of Total Economic Value was used, through interviews with 15 residents who extract products from the mangrove. For the ecosystem services, atmospheric carbon (measured by a micrometeorological tower), and organic carbon (monitored by soil sampling during 2017) were used. In determining product values, the quantities extracted at market prices and the value of services were estimated using carbon credits. The results indicate that the ecosystem produces 9 community assets, that generate R$ 75,033.50 (US$ 23,622.93 ha/year) and R$ 17,627.15 (US$ 5,549.58 ha/year) for capture and storage respectively. The VET value corresponded to R$ 986,132.50 (US$ 310,465.79). Ecosystem services and the economic values of atmospheric (p = 0.0278) and soil carbon credit (p = 0.0354) indicated higher importance in the rainy season due to the precipitation that favored an increase in the amount of carbon. This behavior was verified by the Principal Components Analysis (50.1%), which showed that in the less rainy season goods are more important when compared to the ecosystem services.
Highlights
Mangrove is a productive and biologically important ecosystem of the world, as it directly and indirectly supplies essential goods and services to populations such as fish, shellfish, wood, sediment and nutrient retention, protection against natural phenomena and carbon storage (Barbier et al, 2011; Engle, 2011; Giri et al, 2010)
Ecosystem services and the economic values of atmospheric (p = 0.0278) and soil carbon credit (p = 0.0354) indicated higher importance in the rainy season due to the precipitation that favored an increase in the amount of carbon
This behavior was verified by the Principal Components Analysis (50.1%), which showed that in the less rainy season goods are more important when compared to the ecosystem services
Summary
Mangrove is a productive and biologically important ecosystem of the world, as it directly and indirectly supplies essential goods and services to populations such as fish, shellfish, wood, sediment and nutrient retention, protection against natural phenomena and carbon storage (Barbier et al, 2011; Engle, 2011; Giri et al, 2010). It occupies an abundant and diversified narrow strip in the tropical region and integrates several ecosystem services valued at approximately US $ 200,000/ha annually (Costanza et al, 2014). Carbon sequestration reinforces mangrove maintenance and conservation as strategies for sustainable income generation and high productivity (Alongi, 2002; McLeod et al, 2011)
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