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In Panama, nitrogen-fixing trees unlock phosphorus and other scarce nutrients

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IMAGE: Tropical forests in Panama are threatened due to agriculture, mining, development, and climate change. Reforestation is an important strategy to protect the tropical carbon sink. Nitrogen-fixing trees are known to.
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Credit: Credit: Sarah Batterman.
A new study, published this week in
Proceedings of the National Academy of Sciences, reveals that nitrogen-fixing trees play an underrecognized role in recovering tropical forests by enriching nutrient-poor soils with scarce elements such as phosphorus and molybdenum.
Coauthor Sarah Batterman, a tropical forest ecologist at Cary Institute of Ecosystem Studies, explains, We ve long known that nitrogen-fixing trees work with soil microbes to make atmospheric nitrogen available to plants. Our study found that nitrogen fixers also play a vital role in unlocking other nutrients by weathering rocks beneath their roots. These nutrients include things like phosphorus, which is very l ....

Smithsonian Tropical Research Institute , Panama Canal , Panama General , Agua Salud , Ngobe Bugle , National University Of Singapore , Singapore General , Davidj Beerling , Dimitarz Epihov , Stanley Motta , Saraha Batterman , Jeffersons Hall , Kristin Saltonstall , Candidatus Acidoferrum , Jonathanr Leake , Sarah Batterman , Larso Hedin , Michiel Van Breugel , Dimitar Epihov , Small World Institute Fund , Department Of Ecology , Leverhulme Research Centre , School Of Geography , Natural Environment Research Council , British Council , National Science Foundation ,

Environment Volunteers needed

Elouera Bushland Reserve in Liverpool (with streamwatch),
Chauvel Park in Chipping Norton,
Tucker Road Reserve in Casula,
Light Horse Park in Liverpool (with streamwatch).
/Public Release. This material comes from the originating organization and may be of a point-in-time nature, edited for clarity, style and length. View in full here.
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Media ownership in Australia is one of the most concentrated in the world (Learn more). Since the trend of consolidation is and has historically been upward, fewer and fewer individuals or organizations control increasing shares of the mass media in our country. According to independent assessment, about 98% of the media sector is held by three conglomerates. This tendency is not only totally unacceptable, but also to a degree fr ....

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Science behind the scenes: 'From the Earth's poles to the Equator, I study birds and their parasites'

In my research projects in ecology, I’m seeking to understand how interactions between birds and their parasites are affected by environmental degradation linked to human activities such as deforestation, intensive agriculture or climate change. This human impact has caused land cover and climate conditions to change, which has repercussions both on bird populations and on insects (such as mosquitoes) that spread pathogens to birds.
To gather data, I go on field trips with teammates and capture birds and mosquitoes (also known as “vectors”) in habitats with varying degrees of degradation and different environmental characteristics. This allows me to describe the diversity of parasites in natural populations and compare the proportion of infected birds in contrasting habitats. ....

United States , Alaska Range , Slate Creek , Ravinder Sehgal , Claire Loiseau , American Bird Banding Program , San Francisco State University , Euring Data Bank , Arctic Circle , North American Bird Banding , Central Africa , West Nile , Axa Research Fund English , The Conversation France , ஒன்றுபட்டது மாநிலங்களில் , அலாஸ்கா சரகம் , கற்பலகை க்ரீக் , ரவிந்தேர் சேகல் , அமெரிக்கன் பறவை கட்டுப்படுத்துதல் ப்ரோக்ர்யாம் , சான் பிரான்சிஸ்கோ நிலை பல்கலைக்கழகம் , ஆர்க்டிக் வட்டம் , வடக்கு அமெரிக்கன் பறவை கட்டுப்படுத்துதல் , மேற்கு நைல் , அச்சு ஆராய்ச்சி நிதி ஆங்கிலம் , தி உரையாடல் பிரான்ஸ் ,

Citizen scientists help expose presence of invasive Asian bamboo longhorn beetle in Europe

Credit: Stephen Rolls
A worryingly high number of Asian bamboo longhorn beetles (
Chlorophorus annularis) turn out to have been emerging across Europe for about a century already, finds an international research team, headed by researchers from the Center of Natural History, University of Hamburg, Germany. Curiously, the recent records of the invasive, non-native to the Old Continent species are mostly sourced from citizen scientists and online platforms, which proves the power of involving the public in species monitoring. The study is published in the open-access, peer-reviewed scientific journal
In our globalised world, which has already become victim to climate change and biodiversity loss, non-native species present a further threat to our ecosystems. Thus, the rising accounts of newly recorded alien species are of serious concern to both scientists and (inter)national institutions. However, surveying non-native species remains limited to a small fraction of spec ....

Matthias Seidel , University Of Hamburg , Natural History , Old Continent , Southeast Asia , Ecology Environment , Pollution Remediation , Population Biology , Zoology Veterinary Science , மத்தியாஸ் சீடல் , பல்கலைக்கழகம் ஆஃப் ஹாம்பர்க் , இயற்கை வரலாறு , பழையது கண்டம் , தென்கிழக்கு ஆசியா , சூழலியல் சூழல் , பொல்யூஶந் பரிகாரம் , பாப்யுலேஶந் உயிரியல் , ஸுவாலஜீ கால்நடை அறிவியல் ,

Warming climate slows tropical birds' population growth rates

Credit: Monte Neate-Clegg
The mountain forests of Tanzania are more than 9,300 miles away from Salt Lake City, Utah. But, as in eastern Africa, the wild places of Utah depend on a diversity of birds to spread seeds, eat pests and clean up carrion. Birds keep ecosystems healthy. So if birds in Tanzania are in trouble in a warming climate, as found in a recent study by University of Utah researchers, people in Utah as well as in the African tropics should pay attention.
In a new study published in
Global Change Biology, doctoral student Monte Neate-Clegg and colleagues tracked the demographics of 21 bird species over 30 years of observations from a mountain forest in Tanzania. For at least six of the species, their population declined over 30 years could be most attributable to rising temperatures an effect of a warming world. Smaller birds, as well as those that live at the lower part of their elevation range, were at higher risk for slowed population growth. ....

Salt Lake City , United States , Usambara Mountains , University Of Utah , William Newmark , Monte Neate Clegg , Victor Mkongewa , Natural History Museum Of Utah , Global Change Biology , Natural History Museum , West Usambara Mountains , Ecology Environment , Population Biology , Climate Change , உப்பு ஏரி நகரம் , ஒன்றுபட்டது மாநிலங்களில் , பல்கலைக்கழகம் ஆஃப் உட்டா , வில்லியம் புதிய குறி , மான்டே சுத்தமாக கிளெக் , இயற்கை வரலாறு அருங்காட்சியகம் ஆஃப் உட்டா , உலகளாவிய மாற்றம் உயிரியல் , இயற்கை வரலாறு அருங்காட்சியகம் , சூழலியல் சூழல் , பாப்யுலேஶந் உயிரியல் , காலநிலை மாற்றம் ,