Tag

ecosystems

Tropical sea urchins caught between a rock and a hot place

The balmy waters of the Caribbean could turn into a deadly heat trap for countless tiny creatures. Authors of a new study conducted at the Smithsonian Tropical Research Institute (STRI) in Panama discovered that microscopic sea urchin eggs and larvae may suffer stunting or death when
Read More

Global warming's next surprise: Saltier beaches

Batches of sand from a beach on the Delaware Bay are yielding insights into the powerful impact of temperature rise and evaporation along the shore that are in turn challenging long-held assumptions about what causes beach salinity to fluctuate in coastal zones that support a rich net
Read More

The Colony-Killing Mistake Backyard Beekeepers Are Making

Jonathan Garaas has learned a few things in three seasons of backyard beekeeping: Bees are fascinating. They’re complicated. And keeping them alive is not easy. Every two weeks, the Fargo attorney opens the hives to check the bees and search for varroa mites, pests that suck the
Read More

Threat of wildfires expected to increase as global temperatures rise

The United Nations Office for Disaster Risk Reduction (UNISDR) has warned that wildfires could become more frequent and more destructive as global temperatures rise and drought conditions plague many regions of the world. “Last year was the hottest year on record and was above average
Read More

Virus attracts bumblebees to infected plants by changing scent

Plant scientists at the University of Cambridge have found that the cucumber mosaic virus (CMV) alters gene expression in the tomato plants it infects, causing changes to air-borne chemicals – the scent – emitted by the plants. Bees can smell these subtle changes, and glas
Read More

Discovery of sunlight-driven organic chemistry on water surfaces

Fatty acids found on the surface of water droplets react with sunlight to form organic molecules, a new study reports, essentially uncovering a previously unknown form of photolysis. The results could affect models that account for aerosol particles, including models related to climat
Read More

Feds Say California's Endangered Channel Islands Foxes Are Recovered

The U.S. Fish and Wildlife Service today announced the successful recovery of three out of four unique subspecies ofisland fox on San Miguel, Santa Rosa and Santa Cruz islands, removing them from the endangered species list. The agency also upgraded the protection status of the Santa
Read More

Greenland shark revealed to have longest life expectancy of all vertebrates

An international team of scientists led by the University of Copenhagen and including the University of Oxford has found that the Greenland shark has a life expectancy of at least 272 years. This discovery shows it is the longest living vertebrate known to science, exceeding even bowh
Read More

Warmer climate could lower dengue risk

Health researchers predict that the transmission of dengue could decrease in a future warmer climate, countering previous projections that climate change would cause the potentially lethal virus to spread more easily. Hundreds of millions of people are infected with dengue each year,
Read More

Why we need to keep rivers cool with riverside tree planting

With some climate predictions warning that river water temperatures will exceed safe thresholds for river fish, the Keep Rivers Cool (KRC) campaign is calling for more riverside tree planting. Fish in Britain’s rivers are under threat from warmer waters. Cold-water species such
Read More