Land Use Expansion in the Brazilian Cerrado

Sano, Edson Eyji

doi:10.1007/978-981-13-6182-1_5

Cited by 4 publications

(3 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In this sense, consistent information on spatial vegetation cover dynamics over time is critical for conservation. Remote sensing offers many opportunities for monitoring vegetation, including the extensive coverage of large areas or providing data about spatial–temporal land-cover changes (Beuchle et al 2015; Sano 2019; Sano et al 2019).…”

Section: Introductionmentioning

confidence: 99%

The near real-time deforestation detection system: Case study of the DETER system for the Cerrado Biome

Pinheiro,

Almeida,

Pinheiro

et al. 2023

Applied Earth Science: Transactions of the Institutions of Mini

View full text Add to dashboard Cite

Less than half of the original two million km 2 of the Brazilian Savanna natural vegetation, called the Cerrado Biome, remains standing. Given its climate and socio-biodiversity importance, more effective public policies are needed to protect the remaining natural areas. In this paper, we present the methodology and results of the DETER Cerrado, an early warning deforestation system within the Cerrado region. The findings support that DETER is effective in detecting a wider range of deforestation patch sizes, from the larger patches, heavily associated with agricultural expansion, to the smaller areas (>1 ha <10 ha). Nevertheless, 80% of the deforestation is concentrated in the 10-km radius zone from the DETER Alerts. This area was later detected by the Cerrado Deforestation Monitoring Project (PRODES), the system that accounts for the annual deforestation rate assessment, which highlights the capability of the DETER system to provide support to the surveillance of deforestation in the Cerrado.

show abstract

Section: Introductionmentioning

confidence: 99%

The near real-time deforestation detection system: Case study of the DETER system for the Cerrado Biome

Pinheiro,

Almeida,

Pinheiro

et al. 2023

Applied Earth Science: Transactions of the Institutions of Mini

View full text Add to dashboard Cite

show abstract

“…In central Brazil, 65% of the upland rice area corresponds to rainfed systems, which are susceptible to periods of drought (Crusciol et al, 2013); as a result, the cropped area has been reduced by up to 60% in recent decades (Pinheiro et al, 2006). However, upland rice can be integrated into crop rotations with maize and soybean (Nascente and Stone, 2018;Pacheco et al, 2017), allowing the use of irrigation by center-pivot or new areas of subsurface drip irrigation (Sano, 2013). There is evidence that improved upland rice varieties bring out their genetic potential under supplementary irrigation, achieving yields greater than 5 Mg ha −1 (Stone et al, 1999), making this system economically viable.…”

Section: Introductionmentioning

confidence: 99%

Physiology, yield, and water use efficiency of drip-irrigated upland rice cultivars subjected to water stress at and after flowering

et al. 2022

View full text Add to dashboard Cite

Summary Water scarcity due to global warming can increase the water demand for upland rice at critical stages of crop development. However, there is little research on cultivar responses to this scenario and technologies that enhance water use efficiency (WUE). To determine the influence of water stress at and after flowering stages of drip-irrigated upland rice cultivars on physiology, yield, and WUE, a shelter experiment was conducted using a randomized block design with a split-plot arrangement of treatments. Three modern and one traditional cultivar were subjected to five irrigation managements: 100% of the field capacity considered the reference management (RM), 70 and 40% of the RM at the flowering stage, and 70 and 40% of the RM at the grain-filling stage. In general, the modern cultivars tended to maintain higher photosynthetic rate, stomatal conductance, transpiration, leaf water potential, and lower crop water stress index compared to the traditional cultivar under water stress. The WUE decreased for all cultivars under severe stress, averaging 0.55 and 0.62 kg m−3 when stress occurred at flowering and grain-filling, respectively, whereas moderate stress imposed at grain-filling maintained WUE for all cultivars, averaging 1.21 kg m−3. In addition, grain yield (GY) showed a similar variation trend under drought stress as WUE, and its reduction was mainly associated with low filled grain percentage. Among the five irrigation treatments, both GY and WUE were the highest in the RM; the best cultivar recorded 9.3 Mg ha−1 and 1.62 kg m−3, respectively. Findings suggest that attending to the full water demand under precision drip irrigation and appropriate cultivar selection can enhance upland rice production at significant levels.

show abstract

“…Consequently, in the last decades, the upland rice cropped area has been reduced by up to 60% (Pinheiro et al, 2006). However, upland rice can be integrated into crop rotations with maize and soybean (Pacheco et al, 2017;Nascente and Stone, 2018), allowing the use of irrigation by center-pivot, or to a lesser extent, of subsurface drip irrigation (Sano, 2013).…”

Section: Introductionmentioning

confidence: 99%

Water use efficiency of upland rice and common bean under precision drip irrigation

Chimarro¹

View full text Add to dashboard Cite

show abstract

Land Use Expansion in the Brazilian Cerrado

Cited by 4 publications

References 5 publications

The near real-time deforestation detection system: Case study of the DETER system for the Cerrado Biome

The near real-time deforestation detection system: Case study of the DETER system for the Cerrado Biome

Physiology, yield, and water use efficiency of drip-irrigated upland rice cultivars subjected to water stress at and after flowering

Water use efficiency of upland rice and common bean under precision drip irrigation

Contact Info

Product

Resources

About