Oswaldo Maillard

ORCID: 0000-0002-8833-2004
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About
Contact & Profiles
Research Areas
  • Fire effects on ecosystems
  • Conservation, Biodiversity, and Resource Management
  • Remote Sensing in Agriculture
  • Species Distribution and Climate Change
  • Rangeland and Wildlife Management
  • Environmental and Ecological Studies
  • Climate variability and models
  • Environmental and Cultural Studies in Latin America and Beyond
  • Meteorological Phenomena and Simulations
  • Forest Management and Policy
  • Archaeology and Natural History
  • Agroforestry and silvopastoral systems
  • Human-Animal Interaction Studies
  • Water Resource Management and Quality
  • Animal and Plant Science Education
  • Urban Heat Island Mitigation
  • Agriculture, Land Use, Rural Development
  • Plant Water Relations and Carbon Dynamics
  • Flood Risk Assessment and Management
  • Cryospheric studies and observations
  • Botany, Ecology, and Taxonomy Studies
  • Fish biology, ecology, and behavior
  • Hydrology and Drought Analysis
  • Communication and COVID-19 Impact
  • Wildlife Ecology and Conservation

Fundación PROINPA
2018-2025

The eastern region of Bolivia is high conservation interest due to the presence Chiquitano Dry Forest, Chaco, Pantanal and Cerrado ecoregions. However, this under pressure from various anthropogenic threats, which requires continuous monitoring. An alternative for monitoring use mobile applications designed concept citizen science, in local stakeholders are part process obtaining information finding solutions environmental problems their territories. main objective study was evaluate...

10.3390/su16062333 article EN Sustainability 2024-03-12

Africa is entering a new fire paradigm, with climate change and increasing anthropogenic pressure shifting the patterns of frequency severity. Thus, it crucial to use available information technologies understand vegetation dynamics during post-fire recovery processes. The main objective this study was evaluate seasonal spatio-temporal trends in response fires across Africa, from 2001 2020. Non-parametric tests were used analyze MODIS Normalized Difference Vegetation Index (NDVI) products...

10.1371/journal.pone.0316472 article EN public-domain PLoS ONE 2025-02-03

In recent years, large-scale wildfires have become a serious threat to terrestrial ecosystems and people in the Chiquitania region of Bolivia. Understanding public perceptions is fundamental designing comprehensive effective wildfire management strategies. The objectives study were learn perception on main causes wildfires, understand their impacts these events, explore most viable solutions preventing future We developed 15-questions online survey disseminated it through social media...

10.3390/earth6020032 article EN cc-by Earth 2025-05-01

In the last 21 years, Bolivia has recorded a series of thousands wildfires that impacted an area 24 million hectares, mainly in departments Beni and Santa Cruz. this sense, identifying trends increase natural vegetation after is fundamental step implementing strategies public policies to ensure ecosystem recovery. The main objective study was evaluate spatial decrease affected by for whole Bolivia, period 2001–2021, using non-parametric tests, through analysis Normalized Difference...

10.3390/fire6010018 article EN cc-by Fire 2023-01-07

Despite more than two decades of efforts made to prevent the loss Chiquitano Dry Forest on Bolivian side, deforestation and forest fragmentation driven by agricultural expansion, uncontrolled settlement fires have continued putting its ecological integrity at high risk. Currently, this unique is severely vulnerable under considerable pressure, which should generate worldwide attention concern, considering importance in terms biodiversity climate. In opinion piece, we address approach...

10.3390/su16030969 article EN Sustainability 2024-01-23

The forest fires of 2019 were among the most devastating ever recorded in Bolivia. In this study we analyze relationship between fragmentation and meteorological drought with spatial distribution during that year Department Santa Cruz, We carried out a classification natural vegetation using Landsat 8 satellite imagery. Forest was defined according to patch sizes classified seven categories; furthermore, distance anthropogenically used areas edges quantified. Spatial patterns severity...

10.3390/f11090910 article EN Forests 2020-08-20

The Santa Cruz department in Bolivia is characterized by a wide range of ecosystems and its richness water resources. In recent years, extended drought caused climate change has led to extensive fire events. Combined with deforestation, this resulting the degradation region’s To address restoration needs from both land- water-management perspective, study proposes prioritize areas applying multi-criteria analysis (MCA) based on two main principles: (1) using watershed as unit (2) involving...

10.3390/w15203545 article EN Water 2023-10-11

Key Biodiversity Areas (KBAs) are sites that contribute significantly to the protection of planet’s biodiversity. In this study, we evaluated annual burned areas and intensity fires affected Bolivia its 58 KBAs (23.3 million ha) over last 20 years (2001–2020). particular, analyzed impact wildfires on distribution Bolivian birds at levels overall species richness, endemic threatened (Critically Endangered, Vulnerable). We found KBA level, cumulative area was 21.6 ha, while absolute impacted...

10.3390/fire5010004 article EN cc-by Fire 2022-01-04

The natural regeneration of ecosystems impacted by fires is a high priority in Bolivia, and represents one the country’s greatest environmental challenges. With abundance spatial data access to improved technologies, it critical provide an effective method analysis evaluate changes land use face global need understand dynamics vegetation processes. In this context, we evaluated through phenological patterns measuring maximal minimal spectral thresholds at four fire-impacted sites Chiquitania...

10.3390/fire5030070 article EN cc-by Fire 2022-05-28

Neotropical forests offer alternatives to surface cooling and their conservation is an effective solution for mitigating the effects of climate change. Little known about importance tropical dry temperature regulation in Chiquitania, a region with increasing deforestation rates. The impact that processes are having on Chiquitania remains open question. This study evaluated trends forest cover loss based land temperatures (°C) forested deforested areas Chiquitania. We hypothesized positive...

10.3390/land12010002 article EN cc-by Land 2022-12-20

Abstract This study analyzes the long‐term observed changes of mean (Tmean), maximum (Tmax) and minimum (Tmin) air temperatures, relative humidity (RH) vapour pressure deficit (VPD) at different elevation ranges across Bolivia from 1950 to 2019. The linear trends in temperature series present a significant increase, with no substantial seasonal or spatial differences. On an annual basis, RH exhibited non‐significant decrease (−0.08% decade −1 ), while VPD showed increase (0.01 hPa ) ( p <...

10.1002/joc.8226 article EN cc-by International Journal of Climatology 2023-08-30

Abstract Using observations and model simulations from the 5th 6th phases of Coupled Model Intercomparison Project (CMIP5 CMIP6, respectively), this study evaluated changes in monthly, seasonal, annual precipitation over Bolivia 1950 to 2019. Results demonstrate that observed is characterized by strong interannual decadal variability. However, long‐term trends were not identified on scale. Similarly, seasonal almost nonsignificant ( p > .05) for period. Spatially, albeit with its complex...

10.1002/joc.7924 article EN International Journal of Climatology 2022-11-24
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