Posts

Showing posts with the label ecology

North America’s Rarest Snake Found Dead

Image
The Tantilla oolitica (rim rock crowned snake), the rarest snake in North America, was recently rediscovered in a Florida Keys park after a four-year hiatus. Even though a snake encounter would normally be cause for celebration among conservationists, it was more of a source of astounding wonder than anything else. The snake was found to be dead, fighting a large centipede that it had partially swallowed in a lifeless battle. Experts haven't previously observed the snake's feeding patterns due to the tragic confrontation. T. oolitica is so uncommon that no one knew what it consumed until now, despite the fact that it is well known that closely related species enjoy centipedes. Researchers from the Florida Museum of Natural History CT scanned the entangled pair and just published their results in the journal Ecology. Coleman Sheehy, co-author and manager of the herpetology collection at the Florida Museum, remarked, "I was surprised when I first viewed the images. "Sam...

The “Fantastic Giant Tortoise” – Believed To Be Extinct – Has Been Found Alive

Image
Princeton University geneticist Stephen Gaughran has confirmed that "Fernanda" is connected to a tortoise that was removed from Fernandina Island more than a century ago and that both of them are genetically different from all other Galápagos tortoises. A Galápagos species of tortoise that was previously believed to be extinct has been found to still be alive. The tortoise, named Fernanda after her native Fernandina Island, is the first of its kind to be found in more than a century. The Fernandina Island Galápagos giant tortoise, sometimes known as the "wonderful gigantic tortoise," was only ever found as a single individual. The finding of a female tortoise on Fernandina Island in 2019 provided the opportunity to determine whether the species is still extant. By sequencing the genomes of the living creature and the museum specimen and comparing them to the other 13 species of Galápagos giant tortoises, Stephen Gaughran from Princeton University proved that the two...

Trees Might Not Be As Effective at Combating Climate Change As We Thought

Image
It is yet unclear what factors restrict tree growth. The development of trees appears to be constrained by cell growth rather than photosynthesis, according to new findings from an international team of scientists. The U.S. Department of Energy, the U.S. Department of Agriculture, the National Science Foundation, the David and Lucille Packard Foundation, and the Arctic Challenge for Sustainability II provided funding for the study, which was released in the journal Science on May 12th. The study's conclusions are shocking as well. A significant amount of our present carbon dioxide emissions are currently absorbed and stored by forests. The ability of the trees to absorb carbon and delay climate change would decrease if forest expansion slows. The study also discovered that photosynthesis and tree development respond differently to various climate cues, indicating that current models of forest carbon sequestration may overestimate the capacity of forests to store atmospheric carbon....

How Hard Can Insects Bite? New System Allows Scientists To Obtain Previously Unknown Data

Image
University of Bonn researchers have created an insect biting force sensor device. How ferociously can a bug bite? Strong chewing muscles make it easier to successfully break down more difficult food and destroy enemies. The forceX mobile equipment and forceR software were created by the biology department at the University of Bonn to measure the biting forces of small animals. This enables us to understand how biting forces, like those of insects, have evolved. In the journal Methods in Ecology and Evolution, the findings were just just published. In the scientist's palm, a praying mantis wriggles a little. As it approaches the sensor, the insect defends itself by biting down on the two metal plates that send pressure to a piezo crystal. The voltage generated by the crystal, which is load-dependent, is transmitted to a laptop using an amplifier. There are numerous curves visible on the screen, some of which jerkily ascend abruptly, reach a plateau, and then revert to zero. The rise...

Experts in Marine and Coastal Systems Predict Top 15 Emerging Impacts on Ocean Biodiversity Over Next Decade

Image
Among the 15 challenges that experts say we need to solve right now are deep sea lithium mining, overfishing of deeper-water species, and the unanticipated ocean effects of land-based wildfires. Over the next ten years, a group of worldwide specialists has identified 15 concerns that they predict will have a substantial influence on marine and coastal biodiversity. They used a method known as "horizon scanning," which aims to find problems that are not yet receiving much attention but are expected to become crucial within the next ten years. Their objective is to increase awareness of these challenges and promote immediate investment in a thorough analysis of them. They also seek to reform policies before the problems have a significant negative impact on biodiversity. The list of problems also includes a "empty" zone near the equator as animals migrate away from this warming part of the ocean, the effects of new biodegradable materials on the marine environment, an...