2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
5/26/2021 | 8:30 AM - 10:30 AM | RESPONSE OF INFILTRATION PROCESS TO A LONG TERM GRADIENT OF TROPICAL FOREST REGENERATION OVER PASTURE | Virtual Platform
RESPONSE OF INFILTRATION PROCESS TO A LONG TERM GRADIENT OF TROPICAL FOREST REGENERATION OVER PASTURE
The secondary forest has played an important role because the management of it can affect multiple ecosystem functions and process, highlighting the water services that has been used as target in restoration projects. For the positive effects of this conversion, infiltration is a key process, as it represents the input of water into the soil. We assessed infiltration rates using Beerkan Estimation of Soil Parameters through Infiltration Experiments, referred as BEST. The study was conducted in a pasture matrix landscape on Atlantic Forest patches, in Brazil. Measurements were taken on forest plots at five different times of natural regeneration, as well on a degraded pasture considered as zero age. The saturated hydraulic conductivity (Ks) increased exponentially along the age. The highest values were observed after 20 years, when the Ks reached 16 times the value of pasture. Here we discuss that the age isn't the only one factor that affect the infiltration process and the multiple ways that the secondary succession takes can result in forest structure changes, but not in soil structure changes in a short time scale. FAPESP Process 2015/23719-6.
- Conductivity
- Ecohydrology
- Ecosystem functioning
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Presenters/Authors
Aline Fransozi
(), University of São Paulo, USP/ESALQ, Dept of Forest Sciences, Brazil, aline.fransozi@usp.br;
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Silvio Ferraz
(), University of São Paulo, USP/ESALQ, Dept of Forest Sciences, Brazil, silvio.ferraz@usp.br;
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Miguel Cooper
(), University of São Paulo, USP/ESALQ, Dept of Soil Sciences, Brazil, mcooper@usp.br;
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Pedro Brancalion
(), University of São Paulo, USP/ESALQ, Dept of Forest Sciences, Brazil, pedrobrancalion@gmail.com;
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