Search Results - "Rifai, Sami W"

Coupling of El Niño events and long-term warming leads to pervasive climate extremes in the terrestrial tropics by Rifai, Sami W, Li, Sihan, Malhi, Yadvinder

“…The El Niño Southern Oscillation (ENSO) is a major driver of seasonal and interannual climatic variability across the tropics. The 2015/16 El Niño event was…”
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Quantifying Leaf Phenology of Individual Trees and Species in a Tropical Forest Using Unmanned Aerial Vehicle (UAV) Images by Park, John, Muller-Landau, Helene, Lichstein, Jeremy, Rifai, Sami, Dandois, Jonathan, Bohlman, Stephanie

“…Tropical forests exhibit complex but poorly understood patterns of leaf phenology. Understanding species- and individual-level phenological patterns in…”
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Anthropogenic climate change contribution to wildfire-prone weather conditions in the Cerrado and Arc of deforestation by Li, Sihan, Sparrow, Sarah N, Otto, Friederike E L, Rifai, Sami W, Oliveras, Imma, Krikken, Folmer, Anderson, Liana O, Malhi, Yadvinder, Wallom, David

“…Abstract 2015 saw the strongest El Niño event in the historical record, resulting in extreme drought conditions in Brazil. As drought conditions may also lead…”
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Vulnerability of Amazon forests to storm-driven tree mortality by Negrón-Juárez, Robinson I, Holm, Jennifer A, Marra, Daniel Magnabosco, Rifai, Sami W, Riley, William J, Chambers, Jeffrey Q, Koven, Charles D, Knox, Ryan G, McGroddy, Megan E, Di Vittorio, Alan V, Urquiza-Muñoz, Jose, Tello-Espinoza, Rodil, Muñoz, Waldemar Alegria, Ribeiro, Gabriel H P M, Higuchi, Niro

“…Tree mortality is a key driver of forest community composition and carbon dynamics. Strong winds associated with severe convective storms are dominant natural…”
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The distribution and drivers of tree cover in savannas and forests across India by Gopalakrishna, Trisha, Rifai, Sami W., Ratnam, Jayashree, Oliveras Menor, Imma, Stevens, Nicola, Malhi, Yadvinder

“…Abstract The distribution of forest and savanna biomes and the role of resources (climate and soil) and disturbances (fire and herbivory) in determining…”
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An automated procedure to determine construction year of roads in forested landscapes using a least‐cost path and a Before‐After Control‐Impact approach by Valle, Denis, Rifai, Sami W., Carrero, Gabriel C., Meiga, Ana Y. Y.

“…Proximity to roads is one of the main determinants of deforestation in the Amazon basin. Determining the construction year of roads (CYR) is critical to…”
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Twenty years of intensive fertilization and competing vegetation suppression in loblolly pine plantations: Impacts on soil C, N, and microbial biomass by Rifai, Sami W., Markewitz, Daniel, Borders, Bruce

“…Silvicultural treatments of fertilization (F) and competing vegetation suppression (H) have continued to increase as demands for forest products have grown…”
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Burn Severity and Post‐Fire Weather Are Key to Predicting Time‐To‐Recover From Australian Forest Fires by Rifai, Sami W., Kauwe, Martin G., Gallagher, Rachael V., Cernusak, Lucas A., Meir, Patrick, Pitman, Andy J.

“…Climate change has accelerated the frequency of catastrophic wildfires; however, the drivers that control the time‐to‐recover of forests are poorly understood…”
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Phenology and Seasonal Ecosystem Productivity in an Amazonian Floodplain Forest by Fonseca, Letícia D. M., Dalagnol, Ricardo, Malhi, Yadvinder, Rifai, Sami W., Costa, Gabriel B., Silva, Thiago S. F., Da Rocha, Humberto R., Tavares, Iane B., Borma, Laura S.

“…Several studies have explored the linkages between phenology and ecosystem productivity across the Amazon basin. However, few studies have focused on flooded…”
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Women are underrepresented on the editorial boards of journals in environmental biology and natural resource management by Cho, Alyssa H, Johnson, Shelly A, Schuman, Carrie E, Adler, Jennifer M, Gonzalez, Oscar, Graves, Sarah J, Huebner, Jana R, Marchant, D Blaine, Rifai, Sami W, Skinner, Irina, Bruna, Emilio M

“…Despite women earning similar numbers of graduate degrees as men in STEM disciplines, they are underrepresented in upper level positions in both academia and…”
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Recovery of Forest Structure Following Large-Scale Windthrows in the Northwestern Amazon by J. David Urquiza Muñoz, Daniel Magnabosco Marra, Robinson I. Negrón-Juarez, Rodil Tello-Espinoza, Waldemar Alegría-Muñoz, Tedi Pacheco-Gómez, Sami W. Rifai, Jeffrey Q. Chambers, Hillary S. Jenkins, Alexander Brenning, Susan E. Trumbore

“…The dynamics of forest recovery after windthrows (i.e., broken or uprooted trees by wind) are poorly understood in tropical forests. The Northwestern Amazon…”
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Photosynthetic plasticity of a tropical tree species, Tabebuia rosea, in response to elevated temperature and [CO2] by Slot, Martijn, Rifai, Sami W., Winter, Klaus

“…Atmospheric and climate change will expose tropical forests to conditions they have not experienced in millions of years. To better understand the consequences…”
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The stomatal response to vapor pressure deficit drives the apparent temperature response of photosynthesis in tropical forests by Slot, Martijn, Rifai, Sami W., Eze, Chinedu E., Winter, Klaus

“…Summary As temperature rises, net carbon uptake in tropical forests decreases, but the underlying mechanisms are not well understood. High temperatures can…”
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Action needed to make carbon offsets from forest conservation work for climate change mitigation by West, Thales A. P., Wunder, Sven, Sills, Erin O., Börner, Jan, Rifai, Sami W., Neidermeier, Alexandra N., Frey, Gabriel P., Kontoleon, Andreas

“…Carbon offsets from voluntary avoided-deforestation projects are generated on the basis of performance in relation to ex ante deforestation baselines. We…”
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Tropical tree mortality has increased with rising atmospheric water stress by Bauman, David, Fortunel, Claire, Delhaye, Guillaume, Malhi, Yadvinder, Cernusak, Lucas A., Bentley, Lisa Patrick, Rifai, Sami W., Aguirre-Gutiérrez, Jesús, Menor, Imma Oliveras, Phillips, Oliver L., McNellis, Brandon E., Bradford, Matt, Laurance, Susan G. W., Hutchinson, Michael F., Dempsey, Raymond, Santos-Andrade, Paul E., Ninantay-Rivera, Hugo R., Chambi Paucar, Jimmy R., McMahon, Sean M.

“…Evidence exists that tree mortality is accelerating in some regions of the tropics 1 , 2 , with profound consequences for the future of the tropical carbon…”
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Identifying areas at risk of drought‐induced tree mortality across South‐Eastern Australia by De Kauwe, Martin G., Medlyn, Belinda E., Ukkola, Anna M., Mu, Mengyuan, Sabot, Manon E. B., Pitman, Andrew J., Meir, Patrick, Cernusak, Lucas A., Rifai, Sami W., Choat, Brendan, Tissue, David T., Blackman, Chris J., Li, Ximeng, Roderick, Michael, Briggs, Peter R.

“…South‐East Australia has recently been subjected to two of the worst droughts in the historical record (Millennium Drought, 2000–2009 and Big Dry, 2017–2019)…”
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Outer bark thickness decreases more with height on stems of fire-resistant than fire-sensitive Floridian oaks (Quercus spp.; Fagaceae) by Graves, Sarah J, Rifai, Sami W, Putz, Francis E

“…• Premise of the study: In ecosystems maintained by low-intensity surface fires, tree bark thickness is a determinant of fire-survival because it protects…”
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2015/16 El Niño increased water demand and pushed plants from a Mesic tropical montane grassland beyond their hydraulic safety limits by Matos, Ilaíne Silveira, Rifai, Sami W., Rosado, Bruno H. P.

“…In 2015/16, a strong El Niño event caused anomalously high temperatures and reduced precipitation resulting in Pantropical drought‐induced diebacks and…”
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Towards species‐level forecasts of drought‐induced tree mortality risk by De Kauwe, Martin G., Sabot, Manon E. B., Medlyn, Belinda E., Pitman, Andrew J., Meir, Patrick, Cernusak, Lucas A., Gallagher, Rachael V., Ukkola, Anna M., Rifai, Sami W., Choat, Brendan

“…Summary Predicting species‐level responses to drought at the landscape scale is critical to reducing uncertainty in future terrestrial carbon and water cycle…”
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Thirty-eight years of CO2 fertilization has outpaced growing aridity to drive greening of Australian woody ecosystems by Rifai, Sami W, De Kauwe, Martin G, Ukkola, Anna M, Cernusak, Lucas A, Meir, Patrick, Medlyn, Belinda E, Pitman, Andy J

“…Climate change is projected to increase the imbalance between the supply (precipitation) and atmospheric demand for water (i.e., increased potential…”
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