Tropical Forests Current Events

Tropical Forests Current Events, Tropical Forests News Articles.
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The complexity of tropical forest structure defies simple characterization
In a forthcoming pair of papers in Ecology Letters, Muller-Landau and collaborators associated with the Center for Tropical Science test the predictions of the theory of metabolic ecology using large datasets from tropical forests around the world. Observed patterns of tree growth, mortality and abundance deviate substantially from the predictions of metabolic ecology theory, especially for large trees. Alternative models presented incorporate the complex variation in tree shapes, growing conditions, and mortality threats. (2006-04-10)

'Live fast, die young' applies to forests, too
In the most recent issue of Ecology Letters, Stephenson and van Mantgem show that birth and death rates of trees vary in parallel with global patterns of forest productivity. The faster turnover of trees means that the world's most productive forests may also be those likely to respond most rapidly - positively or negatively - to environmental changes. (2005-04-19)

Tropical forests may soon hinder, not help, climate change effort
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. (2018-07-25)

Increasing tropical land use is disrupting the carbon cycle
An international study led by researchers at Lund University in Sweden shows that the rapid increase in land use in the world's tropical areas is affecting the global carbon cycle more than was previously known. By studying data from a new satellite imaging system, the researchers also found that the biomass in tropical forests is decreasing. (2020-01-28)

Satellites spy deaths in rain forests (Clark et al.)
The world's tropical rain forests are under increasing threats from clearing. Studying the effects of these changes on canopy trees has been difficult, expensive and even dangerous. Writing in Ecology Letters, January Dr. David B. Clark et al. have shown that new high-resolution satellite data can be used to obtain vital data on these rain forest giants. (2003-12-10)

Saving trees in tropics could cut emissions by one-fifth, study shows
Reducing deforestation in the tropics would significantly cut the amount of carbon dioxide emitted into the atmosphere -- by as much as one-fifth -- research shows. (2014-06-06)

Vines add surprising variable to tropical forest carbon storage
A new study in Proceedings of the National Academy of Sciences found that lianas, a type of woody vine suspected of reducing forests' ability to store carbon for the long term because they have a higher leaf-to-stem ratio than trees, do indeed reduce the carbon uptake capacity of tropical forests. (2015-10-12)

How climate change may be impacting the world's tropical forests
New research suggests that multi-year droughts will significantly alter the structure, composition, and dynamics of second-growth tropical forests, which have re-grown after cessation of agricultural activity or a major disturbance such as fire. (2016-02-22)

Underdogs in the understory: Study suggests nature favors rarer trees
A study of seven tropical forests around the world has revealed that nature encourages biodiversity by favoring the growth of less common trees. The landmark study, conducted by 33 ecologists from 12 countries and published in the Jan. 27 issue of the journal Science, conclusively demonstrates that diversity matters and has ecological importance to tropical forests. (2006-01-26)

Cleaning the atmosphere of carbon: African forests out of balance
Carbon held in African forests is on the rise, but there's no simple explanation. The two most likely explanations are that forests are responding to high atmospheric carbon dioxide or that they are recovering from a previous natural or human-induced disturbance. (2009-02-19)

Long-term resilience of Earth's tropical forests in warmer world
A long-term assessment of the sensitivity of hundreds of tropical forest plots to increasing temperatures brings encouraging news: in the long run, Earth's tropical forests may be more resilient to a moderately warming world than short-term predictions have suggested. (2020-05-21)

Tropical forests and climate change focus of book
A University of California, Riverside associate professor has co-edited a just-published book on how tropical forests are responding to climate change. (2016-04-07)

Tropical forests contribute to civil war
Would you look to tropical forests to find solutions for the international security problems that the world is suffering today? If your answer is no, then you may want to consider the ideas presented in (2007-02-28)

Carbon storage recovers faster than plant biodiversity in re-growing tropical forests
A new study of re-growing tropical forests has concluded that plant biodiversity takes longer to recover than carbon storage following major disturbances such as clearance for farming. The findings, published in the scientific journal Proceedings of the Royal Society B, have important implications for conservation since there are now many re-growing forests in South and Central America. (2013-11-05)

Association for Tropical Biology, 2002 Annual Meeting
The Smithsonian Tropical Research Institute will host the annual meeting of the Association for Tropical Biology from July 29-Aug. 2, 2002 in Panama City, Panama. The conference will synthesize recent advances in tropical biology with an emphasis on ecology and evolution. Twenty-one symposia will involve participants in discussions of the past, present and future of tropical forest biology. (2002-04-12)

Secondary tropical forests absorb carbon at higher rate than old-growth forests
Forests are an important carbon sink. While most attention has focused on old-growth tropical forests, it turns out that secondary forests that re-grow after forest clearance or agricultural abandonment can sequester large amounts of carbon. A large international team of forest found that carbon uptake in these new-growth tropical forests was surprisingly robust. Their findings will appear in the print edition of the journal Nature February 11, 2016. (2016-02-08)

Marine heatwave triggers dramatic ecosystem transition
Rapid warming off the western coast of Australia has transformed large stretches of kelp forests into tropical and subtropical marine ecosystems, a new study reports. (2016-07-07)

The hotter it gets, the more forests act as insulators
Using data from about a hundred sites worldwide, an international research team has demonstrated that forest cover acts as a global thermal insulator, by cooling the understory when the air temperature is high. This buffer effect is well known, but this study is the first that has evaluated this worldwide in temperate, boreal and tropical forests. (2019-04-01)

ESA providing Kyoto estimates of French Guiana's tropical forests
ESA is providing data from its Earth observation satellites to monitor the tropical forests in French Guiana and help the French government meet its obligations under the international Kyoto Protocol agreement on global warming. (2003-06-05)

Climbing plants disturb carbon storage in tropical forests
Scientists have discovered that climbing vines are upsetting the carbon balance of tropical forests by crowding out and killing trees. (2015-10-13)

Tropical dry forests receive international recognition
When most people think of tropical forests, rainforests immediately come to mind. But they are not the only kind under threat -- the tropical dry forest is in as much danger as its popular cousin yet its grave situation continues to be ignored. Dr. Arturo Sanchez-Azofeifa is hoping to change that with TROPI-DRY, a newly formed research network hosted by the University of Alberta. (2005-11-28)

Forests absorb one-third of our fossil fuel emissions
The world's established forests remove 2.4 billion tonnes of carbon per year from the atmosphere -- equivalent to one third of current annual fossil fuel emissions -- according to new research published today in the journal Science. (2011-08-09)

Modern logging techniques benefit rainforest wildlife
New research has highlighted the value of a modern logging technique for maintaining biodiversity in tropical forests that are used for timber production. (2015-02-27)

Clemson scientist's research on tropical forests featured in the journal Nature
Clemson University scientist Saara DeWalt is part of a collaborative study of second-growth tropical forests in Central and South America that will be published Feb. 11 in the journal Nature. DeWalt and dozens of other scientists contributed to the paper titled 'Biomass Resilience of Neotropical Secondary Forests.' (2016-02-04)

Mapping the first family tree for tropical forests
More than 100 researchers have collaborated to classify the world's tropical forests according to their evolutionary history, a process that will help researchers predict the resilience or susceptibility of different forests to global environmental changes. (2018-02-05)

Role of animals in mitigating climate change varies across tropical forests
Large animals play a key role in mitigating climate change in tropical forests across the world by spreading the seeds of large trees that have a high capacity to store carbon, new research co-led by the University of Leeds has said. (2016-04-25)

'The Ecology and Conservation of Seasonally Dry Forests in Asia'
Despite the importance of seasonally dry forests, little is known of their ecology. (2011-07-28)

How to pack tropical trees
How many cookies fit on a baking sheet? How many oranges fit in a bag? To calculate how much carbon a tropical forest can store, scientists working with data from the Smithsonian's ForestGEO network came up with biologically sound explanations behind simple mathematical rules of thumb used to determine how many trees fit in a tropical forest, essential information for calculating the ability of forests to store carbon. (2016-01-07)

Nature bests humans at restoring tropical forests
The spontaneous recovery of native tree species is more successful in restoring tropical forests than human interventions like planting seedlings, a new study reports. (2017-11-08)

Doubt cast on theory of tropical forest diversity
Duke University researchers meticulously measuring the fate of tree seeds in the Appalachian Mountains have obtained results that call into question a popular theory of why tropical forests show such extraordinary diversity of tree species. (2002-06-12)

Variation in antibiotic bacteria in tropical forest soils may play a role in diversity
A new study in the journal Biotropica finds variation in antibiotic-producing microbes in tropical forest soils and represents a step toward better understanding of the role they play in diversity. (2014-10-28)

The subtleties of tropical forest demise
Compelling new research deepens our understanding of the threats faced by tropical forests and wildlife. Emerging Threats to Tropical Forests, published by the University of Chicago Press, documents disruptions of ecological and ecosystem processes that are not mitigated simply by establishing reserves. (2006-09-05)

Large wildlife important for carbon storage in tropical forests
Conserving wildlife can benefit carbon storage in tropical forests across the world, and thus contribute to controlling global warming, predicts an international consortium of researchers from the National Centre for Biological Sciences (NCBS), Nature Conservation Foundation (NCF), University of Leeds and 12 other academic and conservation institutions. This is because many tropical tree species that have high carbon storage potential depend on large wildlife for seed dispersal. (2016-04-26)

Logging means ants, worms and other invertebrates lose rainforest dominance
Logging slashes the abundance of invertebrates like ants and earthworms but new research shows vertebrates can take up their roles in the ecosystem. (2015-04-13)

Team finds natural reasons behind nitrogen-rich forests
Many tropical forests are extremely rich in nitrogen even when there are no farms or industries nearby, according to a team of researchers led by Montana State University. (2012-01-17)

Scientists may have solved an ecological riddle
A team of scientists may have solved the riddle of why plants that work with bacteria to convert atmospheric nitrogen gas into an essential biological nutrient (ammonia) tend to prevail in the world's tropical regions rather than higher latitudes. (2008-06-19)

Recovering forests important to conservation, study finds
Tropical forests recovering from disturbance could be much more important to the conservation of forest bird species than first thought, according to a new study. (2019-02-26)

Tropical forests -- Earth's air conditioner
Planting and protecting trees -- which trap and absorb carbon dioxide as they grow -- can help to remove carbon dioxide from the atmosphere. But a new study suggests that, as a way to fight global warming, the effectiveness of this strategy depends heavily on where these trees are planted. In particular, tropical forests are very efficient at keeping the Earth at a happy, healthy temperature. (2007-04-09)

Study: Rain forest insects eat no more tree species than temperate counterparts
A study initiated by University of Minnesota plant biologist George Weiblen has confirmed what biologists since Darwin have suspected -- that the vast number of tree species in rain forests accounts for the equally vast number of plant-eating species of insects. (2006-08-23)

New research shows humans have more impact on tropical nitrogen levels
A new paper co-written by four University of Montana researchers finds that humans have more than doubled tropical nitrogen inputs. (2014-05-19)

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