Articles By Alex Card

seaweeds / Experiment specimens of the fleshy, red alga Plocamium cartilagineum in individual beakers. (Credit: Susan Kram / UC San Diego)
A monitoring buoy installed at Barco Lake. (Credit: National Ecological Observatory Network)
A USGS scientist samples a stream for neonicotinoid concentrations as part of the first national-scale investigation of these insecticides. (Credit: Hank Johnson / USGS)
Cedar Creek is a typical intermittent stream with flow rates changing drastically from year to year. (Credit: USGS)
Treated plot that subsequently burned in the Peterson Fire of 2008. (Credit: Jens Stevens / UC Davis)
The Galapagos penguin is the second smallest penguin and the rarest in the world. (Credit: Aquaimages)
The MODIS instrument onboard NASA’s Terra satellite scans for the characteristic green of chlorophyll to detect phytoplankton blooms. (Credit: NASA Earth Observatory)
strip-till farming Researchers find that strip-tilling yields better crops. (Credit: Soil Science/CC BY 2.0)
The research buoy houses a hyperspectral instrument that stares down into the lake and measures light distribution and wavelength in very fine increments. (Credit: UC Davis)
Palm plantation in Cigudeg, Bogor. (Credit: Achmad Rabin Taim/CC BY 2.0)
climate change
NOAA has released the software program CAFE to help responders dealing with pollution answer two important questions: What’s going to happen to the contaminant released and what, if any, species will be harmed by it? (Credit: Beckye Stanton, California Department of Fish and Wildlife)
Bleached and dead coral in the National Marine Sanctuary of American Samoa. (Credit: NOAA)
Mangrove forests help stabilize sediment as they collect on river and estuary banks, creating more mangrove habitat and providing a buffer against sea level rise. (Credit: Peyri Herrera/CC BY-ND 2.0)
Moving the drilling equipment used to bore through half a mile of Antarctic ice required massive machinery and the majority of the three-month field season. (Credit: WISSARD)
Soil moisture trends in Northern China during growing seasons from 1983-2012. (Credit: Yaling Liu / Purdue University)
Deployment of bio-amended activated carbon pellets (SediMite) to treat PCB contaminated sediment in Abram’s Creek on the Quantico Marine Base. (Credit: Kevin Sowers)
High concentrations of the toxic algae Pseudo-nitzschia have prompted officials in Washington to shut down shellfish fisheries. (Credit: Anthony Odell/University of Washington)
Bumblebees aren't moving north to escape hotter temperatures. (Credit: Science / AAAS)