Rain Forests

Rainforests News -- ScienceDaily Rain Forest News. Current science articles on rainforest animals, rainforest plants, and ecosystems of old-growth forests.

  • Invasive plants: Scientists examine the relative impact of proximity to seed sources
    on August 17, 2018 at 4:53 pm

    A new study tackles an important, unresolved question in the biology of invasive plants. Which is most important to the establishment of new invasive communities -- proximity to seed sources, canopy disturbance, or soil disturbance? […]

  • Logging site slash removal may be boon for wild bees in managed forests
    on August 16, 2018 at 1:14 pm

    New research suggests the removal of timber harvest residue during harvesting may be a boon for wild bees, an important step toward better understanding the planet's top group of pollinators. […]

  • Logging permit fraud threatens timber species in Brazilian Amazon
    on August 15, 2018 at 7:45 pm

    Timber harvested illegally under fraudulent permits is undercutting conservation efforts in the Brazilian Amazon, new research by an international collaboration shows. […]

  • Frequent fires make droughts harder for young trees, even in wet eastern forests
    on August 15, 2018 at 7:44 pm

    Forests in the eastern United States may have had it easy compared to their western counterparts, with the intense, prolonged droughts and wildfires that have become typical out west in recent years. But as the climate changes over time, eastern forests are also likely to experience longer droughts. And although wildfires are comparatively rare, prescriptive fires are increasingly used in the east. How will these forests fare in the future? A new study provides answers. […]

  • How plants protect themselves by emitting scent cues for birds
    on August 15, 2018 at 4:40 pm

    When plants are in distress or being fed on by insects, they have been known to send out sensory volatile cues that alert organisms in the area -- such as birds -- that they are in need of help. While research has shown that this occurs in ecosystems such as forests, until now, this phenomenon has never been demonstrated in an agricultural setting. […]

  • Extending palm oil production in Africa threatens primate conservation
    on August 15, 2018 at 2:29 pm

    Future expansion of the palm oil industry could have a dramatic impact on African primates. […]

  • Trees and climate change: Faster growth, lighter wood
    on August 14, 2018 at 2:15 pm

    Trees are growing more rapidly due to climate change. This sounds like good news. After all, this means that trees are storing more carbon dioxide from the atmosphere in their wood and hence taking away the key ingredient in global warming. But is it that simple? A team analyzed wood samples from the oldest existing experimental areas spanning a period of 150 years -- and reached a surprising conclusion. […]

  • Tough life in the savannah? Chimpanzee foods are mechanically more demanding than previously thought
    on August 10, 2018 at 4:00 pm

    A study has analyzed the mechanical properties and the isotopic composition of plant foods eaten by chimpanzees living in the tropical rain forest and savannah woodland. They found that the savannah chimpanzees eat foods that are more mechanically challenging and therefore may place higher selective pressures on their chewing apparatus compared to their conspecifics living in the rainforest. […]

  • Lichen is losing to wildfire, years after flames are gone
    on August 9, 2018 at 1:34 pm

    As increasingly hot and severe wildfires scorch the West, some lichen communities integral to conifer forests aren't returning, even years after the flames have been extinguished, according to a study from scientists at the University of California, Davis. […]

  • Tropical birds benefit from more forest by rivers in oil palm areas
    on August 7, 2018 at 1:51 pm

    Protected riverbank habitats within areas of oil palm cultivation can play a key role in reducing the negative impacts on tropical bird numbers but need to be increased in size, new research has shown. […]

  • Wetter soil is leading to reduced methane gas absorption
    on August 6, 2018 at 7:20 pm

    A new paper finds that the existing effects of global warming are decreasing the soil's ability to absorb methane gas. The paper details findings from a study that measured forest-soil uptake of methane gas in a variety of locations and settings over a 13- to 27-year span and detected decreases of 53 to 89 percent. […]

  • Each tropical tree species specializes in getting the nutrients it needs
    on August 3, 2018 at 4:19 pm

    Researchers looking for general patterns in the way tropical trees capture nutrients were surprised to find that every species has its own way of getting the nutrients it needs. The concept of biodiversity extends to their behavior. […]

  • Tropical forest seeds use three strategies to survive
    on August 3, 2018 at 2:33 pm

    From tiny banana seeds to giant coconuts, it's tough for seeds to survive in tropical soils where they are under constant attack by fungi, bacteria, insects and animals. By understanding how seeds defend themselves, tropical biologists contribute to reforestation, crop management and sustainable agriculture in the tropics. […]

  • Abandoned farmlands enrich bird communities
    on August 3, 2018 at 2:33 pm

    Abandoned farmlands hold potential for the preservation of wetland and grassland birds as rehabilitation zones. […]

  • Measuring climate impact of forests management
    on August 2, 2018 at 3:56 pm

    A group of forestry research experts has developed a rigorous new fact-based carbon accounting system that reflects how forest management practices can help mitigate greenhouse gas (GHG) emissions. […]

  • Mapping blue carbon in mangroves worldwide
    on August 2, 2018 at 3:56 pm

    Mangroves are tropical forests that thrive in salt water and found in a variety of coastal settings worldwide. Mangroves store greater amounts of carbon than any other terrestrial ecosystem, which helps reduce carbon dioxide and greenhouse gases in the atmosphere. When carbon is stored in the ocean or coastal ecosystems, it is called blue carbon. However, a more precise estimate of how much blue carbon is stored by mangroves has not been available until recently. […]

  • Trees travelling west: How climate is changing our forests
    on August 1, 2018 at 5:15 pm

    Many studies on the impacts of global temperature rise have suggested that the range of trees will migrate poleward and upward. However, new research suggests that more tree species have shifted westward than poleward. […]

  • Animals and fungi enhance the performance of forests
    on August 1, 2018 at 2:26 pm

    In addition to the diversity of tree species, the variety of animal and fungus species also has a decisive influence on the performance of forests. Forest performance comprises many facets besides timber production, such as carbon storage and climate regulation. The study is based on ten years of research in species-rich subtropical forests. […]

  • What is causing more extreme precipitation in northeastern U.S.?
    on July 31, 2018 at 8:41 pm

    From Maine to West Virginia, the Northeast has seen a larger increase in extreme precipitation than anywhere else in the US. Prior research found that these heavy rain and snow events, defined as a day with about two inches of precipitation or more, have been 53 percent higher in the Northeast since 1996. A new study finds that hurricanes and tropical storms are the primary cause of this increase, followed by thunderstorms along fronts and extratropical cyclones like Nor'easters. […]

  • Homo sapiens developed a new ecological niche that separated it from other hominins
    on July 30, 2018 at 4:02 pm

    A new study argues that the greatest defining feature of our species is not 'symbolism' or dramatic cognitive change but rather its unique ecological position as a global 'generalist specialist'. […]

  • To keep more carbon on the ground, halting farmland expansion is key
    on July 26, 2018 at 8:27 pm

    The conversion of forests to farmland is recognized as a major contributor to rising levels of greenhouse gases. And yet it hasn't been clear how to best minimize the loss of sequestered carbon into the atmosphere. Researchers now say that, based on their extensive studies of agricultural operations on three continents, the best course in all cases is to limit the conversion of natural habitat to farmland. […]

  • Tropical treetops are warming, putting sensitive species at risk
    on July 26, 2018 at 8:10 pm

    New research shows that tropical forest canopies are warming significantly faster than air temperatures. That could mean major consequences for overall forest health. […]

  • Time is running out in the tropics: Researchers warn of global biodiversity collapse
    on July 26, 2018 at 12:59 pm

    A global biodiversity collapse is imminent unless we take urgent, concerted action to reverse species loss in the tropics, according to a major scientific study. […]

  • Tropical forests may soon hinder, not help, climate change effort
    on July 26, 2018 at 12:58 pm

    Forests in tropical regions could soon become a source of greenhouse gases, contributing to global warming and hampering efforts to meet the main goal in the Paris Agreement of 2015. […]

  • Amphibians face many challenges in Brazilian rain forest
    on July 26, 2018 at 12:57 pm

    Deforestation remains the biggest threat to animals that call the rain forest 'home.' However, even measured, sensible development projects can have unforeseen effects because there's no model to follow. Now, thanks to new research, there's a guide to help land-use development and efforts to conserve amphibians, which are rapidly declining worldwide. […]

  • Ancient farmers transformed Amazon and left an enduring legacy on the rainforest
    on July 23, 2018 at 6:28 pm

    Ancient communities transformed the Amazon thousands of years ago, farming in a way which has had a lasting impact on the rainforest, a major new study shows. […]

  • Colombia peace deal brings new threat to country's rainforest
    on July 19, 2018 at 12:54 pm

    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. […]

  • For one tropical tree, effective seed dispersal relies especially on elephants
    on July 18, 2018 at 6:31 pm

    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. […]

  • 5,000 percent increase in native trees on rat-free palmyra atoll
    on July 17, 2018 at 6:25 pm

    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. […]

  • Protecting tropical forest carbon stocks may not prevent large-scale species loss
    on July 16, 2018 at 8:45 pm

    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. […]