- Polar bear protection stands, British emissions curbs falter.
Mites from Space: Tracking a Microscopic Pest in Puerto Rico
- Published on Thursday, 11 August 2016 00:36
- 20 Comments
Category: Identifying Invasive Species Extent & Critical Species Habitat
Project Team: Puerto Rico Agriculture
Team Location: NASA Goddard Space Flight Center – Greenbelt, Maryland
Dr. Sara Lubkin
Dr. Michael Cosh (U.S. Department of Agriculture, Agricultural Research Service)
Dr. Ronald Ochoa (U.S. Department of Agriculture, Agricultural Research Service)
Dr. John Bolten (NASA Goddard Space Flight Center)
The rapid spread of the red palm mite, Raoiella indica, has devastated coconut palm, banana, and plantain crops throughout the Americas and the Caribbean since its introduction into the hemisphere in 2003. Red palm mites feed via the stomata on plant hosts’ leaves, using specialized mouthparts, resulting in accelerated water loss, decreased crop yield, and a characteristic pattern of leaf yellowing and senescence that can be remotely detected using multispectral imagery and calculated spectral vegetation indices from Landsat 7 Enhanced Thematic Mapper Plus (ETM+), Landsat 8 Operational Land Imager (OLI), Earth Observing-1 (EO-1) Hyperion, IKONOS platforms, and aerial imagery. In conjunction with the U.S. Department of Agriculture (USDA) Agricultural Resource Service (ARS) and the University of Puerto Rico, the distribution of red palm mite infestation in Puerto Rico was tracked from 2002 to 2016, and maps were produced showing the geographic spread of the red palm mite infestation during this time. The high adaptability of red palm mites to multiple plant hosts, adverse environmental conditions, and diverse dispersal pathways, plus the absence of known biotic countermeasures, makes the mite an urgent environmental and economic threat throughout Southeast Asia, Oceania, and the Americas. Understanding past red palm mite invasions will help to prevent its spread into proximal agricultural areas and limit exposure and resulting crop destruction. The tracking methodology and tools established here can be applied to other geographical areas in an effort to mitigate current mite infestations and to monitor and prevent probable future invasions.
- Climate Roundup
- Sargassum Returns! Seeing Inundation Events with Earth Observations
Category: Assessing Air Quality and Water Resources Project Team: Caribbean Oceans II Team Location: NASA Ames…
- Earth from Space: Peruvian Landscape
Originally published by ESA - The foothills of the Andes mountains near the southern coast…
The southeastern U.S. is experiencing groundwater decline, and the local geology in southeast Georgia has increased the risk of groundwater contamination, according to research from a NASA DEVELOP team.
NASA's Molly E. Brown wins 2010 NOAA David S. Johnson Award Molly E. Brown, a respected NASA research scientist, was awarded the prestigious 2010 NOAA David S. Johnson Award, which recognizes young scientists for their… Read More +
Project Team: Colombia Ecological Forecasting Team
Team Location: University of Georgia, Athens, GeorgiaJavier Valladares, retired officer of the Argentine Navy and former president of the Intergovernmental Oceanographic Commission (IOC), recalls expeditions to the Amazon and Antarctica.
NASA’s Soil Moisture Active Passive (SMAP) mission, initiated in February 2008 and planned for launch in January 2015, will deliver a global map of soil moisture and freeze/thaw conditions with extraordinary accuracy, high-resolution, and coverage over a three-year period.