Researchers have developed a method to detect and map fungal associations between forests and fungi using satellite data, providing insights into tree species' nutrient status and ecosystem productivity. This technique allows scientists to study complex processes like nutrient cycling at vast scales.
The discovery of seven fossil teeth in the Las Cascadas Formation reveals a long-lost monkey species on the North American continent before the Isthmus of Panama connected it to South America. The new species, Panamacebus transitus, was named after Panama and its movement across the ancient seaway.
The Grauer's gorilla population has plummeted due to warfare, illegal hunting, and mining in the Democratic Republic of Congo. Conservation efforts recommend controlling militias, protecting reserves, and raising awareness about the crisis faced by wildlife.
A new golden frog species has been discovered in Colombia's cloud forests, with the discovery highlighting the country's rich biodiversity. The newly identified species is part of a diverse group of frogs that includes 465 recognized species, with many still awaiting description and classification.
A study by a team of geneticists found that only 22% of Panamanian men have Y-chromosomes originating from Native American ancestors, while 60% have Eurasian origins. This suggests the Spanish conquest had a lasting impact on the region's gene pool.
Cobia, a promising fish for aquaculture, has recently been reported from the Colombian and Panamanian Pacific coast, indicating their rapid spread. The species is considered an excellent food fish, but its invasive potential poses significant threats to native ecosystems in the Eastern Pacific.
A study of secondary tropical forests reveals that they can recover biomass levels comparable to old-growth forests in as little as 66 years. The research highlights the potential of regenerating these forests to play a critical role in climate change mitigation through carbon sequestration.
The discovery of Calathea galdamesiana highlights the importance of botanical research and conservation efforts in Panama. The new species is distinguished by its unique leaf shape and ground-dwelling inflorescences, and was discovered during a biological diversity inventory organized by the Panamanian Ministry of the Environment.
A new study shows that trees globally compete in some of the same ways, making simpler models of forest response to climate change possible. Trees with denser tissues have more impact on their neighbors.
Researchers used data from the Smithsonian's ForestGEO network to develop biologically sound explanations behind mathematical rules of thumb for estimating tree density and size. This enables more accurate calculations of a tropical forest's ability to store carbon.
Recent excavations on Pedro González Island in Panama found dolphin bones at an archaeological site dating back 6,000 years. The absence of dolphin hunting evidence elsewhere in Central America suggests that islanders used innovative methods to catch the marine mammals.
A new study by the Smithsonian Tropical Research Institute reveals that tropical slipper limpets alter their sex change in response to physical contact with conspecifics. The larger snail changes to female sooner, while the smaller one delays its sex change.
The new report summarizes the latest science on integrated watershed management to meet the needs of billions of people dependent on food, timber, and clean water. It highlights the importance of smart reforestation to mitigate life-threatening natural events like floods and landslides.
Lianas slow tree growth and reduce aboveground carbon uptake by over three-quarters, threatening carbon storage capacity. This reduction can lead to a positive feedback loop, accelerating climate change.
Scientists at STRI in Panama compared the diets of two caterpillar species and found that generalist moth caterpillars could actively store toxic plant chemicals in their bodies. This discovery opens new avenues for understanding plant-insect coevolution and has potential medical applications.
A study published in Ecology found that parasite prevalence and diversity increase with higher latitude, challenging the typical latitudinal diversity gradient. This exception suggests that local ecological factors play a role in shaping biodiversity, despite the general pattern of decreasing species richness towards the poles.
A new study reveals that pygmy sloths inhabit not only mangrove fringes but also the forested interior of their island refuge in Panama. The estimated population size was found to be significantly higher than previously thought, ranging from 500 to 1,500 individuals.
A new study found that individual baboons can contribute to a troop's collective movement and that decision-making is largely a shared process. The majority rule suggests that the subgroup with the most initiators determines the direction of movement, reducing conflict in complex societies.
A new era in animal tracking is underway, with advancements in GPS tags and satellite technology allowing scientists to track animals in real-time. Researchers can now analyze health data, energy use, and brain waves, providing insights into complex interactions among animals.
A global analysis raises the minimum number of tropical tree species to 40,000 to 53,000 globally. The study's findings emphasize the importance of comprehensive conservation efforts due to the high extinction risk faced by rare and localized species.
A new study reveals that species migrations between North and South America began around 20 million years ago, contradicting a long-held assumption that the Isthmus of Panama formed 3 million years ago. This finding has significant implications for understanding how biodiversity in the Americas developed.
Scientists study the spread of diseases in plant communities by analyzing relationships between plant species and estimating individual numbers. This approach allows for community-level predictions, shedding light on why some species are more vulnerable to disease.
In a study of Australian dune ecosystems, researchers identified diverse plant strategies to acquire phosphorus from soil. As soils age and phosphorus declines, these strategies increase, enabling plants to survive in impoverished conditions.
New zircon dating evidence challenges accepted theories on the rise of the Isthmus of Panama and its impact on global climate change. The closure of the Central American Seaway is now dated to 13-15 million years ago, contradicting previous estimates.
A new poison dart frog species, Andinobates geminisae, has been discovered in Donoso, Panama. Genetic sequencing confirms it is a distinct species from another known poison dart frog, Oophaga pumilio.
A study by CTFS-ForestGEO reveals global change effects on forests in 24 countries with 59 monitored sites. Forests have warmed by over 1 degree F and experienced up to 30 percent changes in precipitation.
Researchers found that environmental filtering is the main driver of plant diversity variation along resource gradients in ancient dunes. The study used a chronosequence of soils to test alternative theories and provided new insights into biodiversity.
A recent study published in Proceedings of the National Academy of Sciences reveals a vast array of bacteria living on tropical tree leaves, including over 400 species found on a single tree. The discovery has significant implications for understanding forest health, disease resistance, and the impact of climate change.
Tropical forest carbon accumulation is reduced by nearly 20% due to invasive vines. Lianas block sunlight for tree growth and don't compensate for displaced carbon.
The Panama government has implemented new traffic separation schemes to minimize overlap between commercial vessels and humpback whale migration routes. The changes are expected to reduce vessel speed four months a year and minimize vessel-whale collisions by up to 95%.
Researchers have found a genetic connection between chickens and chili peppers, suggesting that the latter were domesticated around the same time as humans. The study, published in the Proceedings of the National Academy of Sciences, used DNA analysis to reveal that yellow-skinned chickens became common only about 500 years ago.
Researchers found that 7,000 years ago, fighting conchs had 66% more meat than their descendants, leading to evolutionary change due to human harvesting. The study suggests that long-term size-selective evolution can damage vital traits like reproduction and offspring quality.
Researchers from the Smithsonian Tropical Research Institute have found GMO soybean pollen in six honey samples from Mexico, sparking concerns over its impact on honey exports. The presence of GMO pollen could lead to significant price cuts or rejection of honey products under European regulations.
Researchers simulated conditions 10,000 years ago to discover teosinte, a wild grass believed to be corn's ancestor, exhibited characteristics similar to corn under past conditions. This finding suggests early farmers may have played less of a role in selecting for desirable traits than previously thought.
Research reveals frog calls create ripples used by rival males to assess competition, but also detectors for predators like frog-eating bats. The study shows how complex communication can have costs and benefits through different sensory channels.
Research suggests that older trees accelerate growth and take up more carbon, contrary to the assumption that they slow down with age. This finding has implications for forest conservation efforts like REDD+, which aim to reduce global warming by preserving forests.
Research by Smithsonian Tropical Research Institute scientist Benjamin Turner and colleagues reveals that fungi are a key driver of soil carbon storage. Fungi can lead to 70% more carbon in the soil by accessing organic forms of nitrogen, limiting the activity of microorganisms that break down dead organic matter.
Research suggests that tropical forests play a crucial role in regulating water flow, with forested land releasing more water than grasslands during the late dry season. The study's findings support the sponge effect phenomenon, which aims to minimize flood damage and maximize water availability in the tropics.
A new study found that agoutis in areas with limited food are more active at twilight and have a higher risk of being killed by ocelots. This increased predation risk affects seed dispersal by agoutis, who bury seeds as food reserves that may germinate into new trees.
New research suggests that young tropical forests may not be effective in conserving tree species due to low reproductive rates. The study found that even 30-year-old forests have a limited number of reproductive trees essential for long-term species survival.
Researchers at the Smithsonian Tropical Research Institute found that tropical trees can
Researchers discovered a 3% increase in flower production on Barro Colorado Island since 1987 due to rising temperatures and precipitation. In contrast, the Luquillo Forest Dynamics Plot in Puerto Rico showed no overall increase in flower production over the same period.
Scientists at the Smithsonian Tropical Research Institute reviewed 6,000 measurements of ancient temperatures to understand the past impact of global warming on rainforests. They found that diversity increased during hothouse conditions, but surprisingly, rainforests never extended beyond the modern tropical belt.
A study found that airborne particles from volcanic activity and air pollution slow coral growth in the Caribbean. Coral skeletons preserve records of growth, which corresponded closely to sea surface temperatures and light levels.
A cluster of 12 unusual stones was discovered in a prehistoric rock-shelter near Boquete, Panama, dating back to 4,000 years ago. The cache is believed to have been used by a shaman or healer for ritual practices.
Researchers use DNA barcoding to identify frog species and prevent hybridization, increasing chances of conservation success. The technique helps scientists understand genetic diversity in captive populations, contributing to the survival of threatened amphibian species.
A new study estimates that a 6,000-hectare forest hosts around 25,000 arthropod species, with some species found in just one hectare. The research also found that the diversity of arthropods can be accurately predicted from plant diversity.
Climate change is altering rainfall patterns in Panama, which affects frog reproductive strategies. Some species, like the pantless treefrog, may adapt to changing conditions by switching between aquatic and terrestrial egg-laying.
A new study by William Laurance and co-authors finds that nearly half of tropical forest reserves are ineffective in protecting biodiversity. Well-protected reserves also show signs of decline, highlighting the need for improved conservation efforts to safeguard these critical ecosystems.
Researchers found that 85% of seeds were buried in caches by agoutis, which moved seeds up to 749 meters and sometimes even retrieved them after years. This behavior may have saved tropical trees from extinction.