资讯

The report recommends ensuring the orcas have "priority access" to early-season chinook in the Fraser River through fishing closures. It also calls on government to identify seasonal and annual prey ...
In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...
Saxitoxin — one of about 50 neurotoxins found in shellfish — commonly accumulates in freshwater systems in the Lower 48, ...
Their extended life provides scientists with data on marine ecosystem changes over generations. Hidden beneath serene ...
Humans are responsible for the decline of these animals. The review explains how in freshwater and ocean environments, the oldest age-classes of fish have been depleted in most populations, and ...
An artist's depiction of a landscape from 209 million years ago at Petrified Forest National Park in Arizona, based on fossils of plants and animals ...
The pair, recently honoured with the Braiding Knowledges Canada (BKC) Knowledge Braiders’ Award, has been tracking, protecting, and now incubating freshwater turtle eggs—particularly Blanding ... but ...
It’s the time of year to start checking Vermont’s waters for cyanobacteria blooms before you swim, play, or bring your pets, so you can have fun in the ...
When you think of animals that might be among the most dangerous in the world to humans, you typically think of sharks, ...
A groundbreaking discovery in Arizona’s Petrified Forest reveals North America’s oldest pterosaur.
Nymphs offer us more than just stories of sexy nature spirits. They can reveal how ancient people thought about their world ...
One Minnesotan Conservation Officer, Annette Schlag, aided with a masterful way to outwit the overwhelming zebra mussel ...