Researchers describe for the first time the scavenging behavior of mangabey monkeys, guinea fowls, and squirrels on energy-rich nut remnants cracked by chimpanzees and red river hogs. The team used data collected by camera traps in the rain forest of Tai National Park in Ivory Coast. The results reveal new unknown interactions between different species and increase our understanding of the complex community of animals foraging around tropical nut trees.
The historic peace treaty in Colombia which brought an end to half a century of violence has led to mass deforestation. Once FARC soldiers were disarmed, it led to a vacuum of power which is being exploited by large landowners who are now deforesting the area at an alarming rate to make way for farms and for the illegal growth of coca crops. An ecologically significant region of Colombia, is now at risk of disappearing.
Deer, bears, gibbons, but especially elephants, play an important role in seed dispersal for a large-fruited tree in the forests of Thailand, according to a new study. The data illustrate the complexity of forest ecology and hint that, at least for this one species, changes have occurred that have diminished its overall reproductive success.
New research demonstrates dramatic positive benefits for native trees following rat removal at Palmyra Atoll, a magnificent National Wildlife Refuge and natural research laboratory located about 1000 miles south of Hawaii. For five native tree species, including Pisonia grandis, fewer than 150 seedlings were counted in the presence of rats, and more than 7700 seedlings were counted five years after rats were removed.
As the world seeks to curb human-induced climate change, will protecting the carbon of tropical forests also ensure the survival of their species? A study suggests the answer to this question is far from straightforward. Forests with the greatest carbon content do not necessarily house the most species, meaning carbon-focused conservation can miss large swathes of tropical forest biodiversity.
The long-term conversion of mangroves to mudflats can lead to destabilization of shorelines, negatively impacting their resilience to extreme weather events.
Particulate matter deposits on leaves increase plant transpiration and the risk of plants suffering from drought. Particulate matter could thus be contributing more strongly to tree mortality and forest decline than previously assumed. This is suggested by results from a greenhouse study, in which tree seedlings grown in almost particulate matter free air or in unfiltered air were compared.
Researchers have calculated the capacity of North American forests to sequester carbon in a detailed analysis that for the first time integrates natural processes and climate changes that are likely to alter growth over the next 60 years.
Researchers used ecological forecasting to predict how changes in temperature, water, and concentrations of carbon in the atmosphere in the Southeastern United States may affect the future growth rates of trees.
On Sept. 20, 2017, Hurricane Maria barreled across Puerto Rico with winds of up to 155 miles per hour and battering rain that flooded towns, knocked out communications networks and destroyed the power grid. In the rugged central mountains and the lush northeast, Maria unleashed its fury as fierce winds completely defoliated the tropical forests and broke and uprooted trees. Heavy rainfall triggered thousands of landslides that mowed over swaths of steep mountainsides.
The corridors of land vital for many wildlife species in the face of climate change often are unprotected. Now, a recent study has tracked these shifting North American habitats.
A study has found that increased drought and wildfire risk make grasslands and rangelands a more reliable carbon sink than trees in 21st century California. As such, the study indicates they should be given opportunities in the state's cap-and-and trade market, which is designed to reduce California's greenhouse gas emissions to 40 percent below 1990 levels by 2030.
Birds around the world eat 400 to 500 million metric tons of beetles, flies, ants, moths, aphids, grasshoppers, crickets and other anthropods per year. The research highlights the important role birds play in keeping plant-eating insect populations under control.
Future global warming may eventually be twice as warm as projected by climate models under business-as-usual scenarios and even if the world meets the 2°C target sea levels may rise six meters or more, according to an international team of researchers from 17 countries.
Plants absorb some of the carbon dioxide released into the atmosphere by burning fossil fuels. But increasing deforestation and other changes in land use will reduce the carbon dioxide absorption capacity of these areas in the future, researchers have found.
Researchers show that new conservation restrictions in Madagascar bring very significant costs to local people (representing up to 85 percent of local annual incomes). The researchers estimate that 27,000 people have been negatively impacted by the conservation project.
Researchers using satellite imaging have found much greater than expected deforestation since 2000 in the highlands of Southeast Asia, a critically important world ecosystem. The findings are important because they raise questions about key assumptions made in projections of global climate change as well as concerns about environmental conditions in Southeast Asia in the future.
A study has shown the greening up of vegetation prior to the rainy season in Africa is more widespread than previously understood.
Widespread logging and hunting have endangered virtually all of Madagascar's 100-plus species of iconic lemurs, and a new study by ecologists illustrates how saving the animals may also be key to saving the island's largest trees.
In a new global framework, scientists have developed a more accurate assessment of how mangroves store carbon in their soil. The researchers found that previous studies have underestimated the blue carbon levels in mangroves by up to 50 percent in some regions and overestimated levels by up to 86 percent in others. This study will help countries develop and evaluate their carbon footprint and blue carbon inventory that potentially can be used in the global marketplace.
Scientists report results of a large-scale study examining giant panda habitat use trends and changing threats to their survival. This benchmark study is based on nearly 70,000 person-hours of survey work by China's State Forestry Administration throughout the panda's range in Sichuan, covering three-quarters of the entire species range.
A recent study suggests that a warming climate in the Pacific Northwest would lessen the capacity of many forest microclimates to moderate climate extremes in the future.
The first robust estimate of the distribution of the Javan leopard offers reliable information on where conservation efforts must be prioritized to safeguard the Indonesian island's last remaining large carnivore.
A new study determined the habitat requirements for flying squirrels and compared them to those included in the recently amended Forest Act. The main finding was that the Finnish Nature Conservation Act does not adequately protect the old growth forests where flying squirrels live.
New research explores the effects fire has on ecosystems and the wildlife species that inhabit them. Scientists examined the impacts of fires of different severity levels on birds and how that changes as the time since fire increases. Scientists looked across 10 fires after they burned through forests in the Sierra Nevada. A key finding was that wildfire had strong, but varied, effects on the density of many of the bird species that were studied.