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Scientists quantify energetic costs of the migratory lifestyle in a free flying songbird

Researchers found that migrating blackbirds do not save energy in warmer climates, but instead reduce their metabolism before departure. The study reveals a previously unknown mechanism used by migrants to save energy prior to migration, and suggests alternative physiological adaptations may offset the energy costs of migration.

SourceMax-Planck-Gesellschaft·JournalNature Ecology & Evolution·TypeObservational study·DateSep 18, 2024

The within-year distribution of temperature and precipitation could rearrange significantly, challenging both modelers and nature

Researchers at HUN-REN Centre for Ecological Research found that specific climate periods can shift by several months or even six months within a year, affecting species distribution. This shift poses significant challenges for distribution models, potentially leading to extinction or migration of species.

SourceHun-Ren Ökológiai Kutatóközpont·JournalGlobal Change Biology·TypeComputational simulation/modeling·DateSep 13, 2024

New approach can help detect and predict mental health symptoms in adolescents by analyzing brain-environment interactions

A new study using manifold learning and signal processing techniques identifies a significant correlation between adolescent brain activity and mental health symptoms. The approach, called exogenous PHATE, combines brain activation data with environmental variables to improve detection of existing symptoms and predict future ones.

SourceElsevier·JournalBiological Psychiatry Cognitive Neuroscience and Neuroimaging·TypeComputational simulation/modeling·DateSep 3, 2024

Tarantulas have surprising partnerships with other species and their hairiness may be a defense mechanism

A recent study reveals tarantulas have mutually beneficial relationships with various species, including amphibians and army ants. The spiders' dense hair may serve as a defense mechanism against these predators. Tarantulas also employ unique escape strategies and potentially utilize chemical defenses to deter attacks.

SourceUniversity of Turku·JournalJournal of Natural History·DateAug 22, 2024

What really drives consumers to sign up for community-supported agriculture

Researchers identify two key factors driving consumer participation in community-supported agriculture: the socio-cultural environment and weighing of expected gains against losses. These factors shape individuals' knowledge, attitudes, and decisions, highlighting the importance of considering lifestyles and values when promoting CSA.

SourceTokyo Institute of Technology·JournalAgricultural and Food Economics·TypeExperimental study·DateAug 21, 2024

Pit-building venom mixers

Researchers found that antlions have a highly effective and complex venom system, producing multiple venom proteins and digestive enzymes to overpower large and defensive prey. Unlike previously thought bacteria-assisted venom production, antlions are free of bacterial symbiotic partners.

SourceMax Planck Institute for Chemical Ecology·JournalCommunications Biology·TypeExperimental study·DateAug 13, 2024

Finding pearls in the mud: eco-friendly tungsten recovery from semiconductor waste

Researchers at Pohang University of Science & Technology have unveiled an eco-friendly method to extract rare metals from semiconductor waste, recovering precious tungsten and assessing its economic viability. The bioleaching process, using a fungus to dissolve metals, is found to be 7% cheaper than traditional methods.

SourcePohang University of Science & Technology (POSTECH)·JournalACS Sustainable Chemistry & Engineering·DateAug 7, 2024

Genome study informs restoration of American chestnut tree

A genome study has identified regional adaptations in American chestnut trees, informing restoration efforts and climate resilience. The research provides guidance for conserving genetic diversity across the Appalachian region, with a focus on preserving the most genetically diverse southern population.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateJul 22, 2024

Unlocking secrets of stomatal regulation: Phosphoactivation of SLAC1 in plant guard cells

Researchers from Chinese Academy of Sciences have provided mechanistic insights into the activation of SLAC1, a key anion channel involved in plant guard cell signaling. Phosphorylation of SLAC1 facilitates anion efflux, leading to membrane depolarization and stomatal closure.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 15, 2024

Study examines urban forests across the United States

Researchers analyzed six US cities and found that tree species in parks were more drought-tolerant and reflected greater native biodiversity than those in residential yards. The study highlights the importance of planting drought-tolerant trees in urban areas to adapt to future climate change.

SourceDartmouth College·JournalFrontiers in Ecology and the Environment·TypeData/statistical analysis·DateJul 12, 2024

Unprecedented warming threatens earth’s lakes and their ecosystems

A recent study predicts that lakes worldwide will experience unprecedented surface and subsurface warming, leading to severe disruptions in ecosystems. Tropical lakes are expected to be the first to emerge from natural temperature bounds, while high-latitude lakes may shield their subsurface layers from surface warming.

SourceInstitute for Basic Science·JournalNature Geoscience·TypeComputational simulation/modeling·DateJul 12, 2024

Scientists release new research on planted mangroves’ ability to store carbon

Scientists have discovered that planted mangroves can store a significant amount of carbon, reaching levels comparable to those in intact stands after just 20 years. The study used logistic models compiled from over 700 planted mangrove stands worldwide and found that the trees' carbon stock reached 71-73% of that found in intact stands.

SourceUSDA Forest Service - Pacific Southwest Research Station·JournalScience Advances·TypeComputational simulation/modeling·DateJul 10, 2024

Study examines tree adaptability to climate change

A recent study found that tree species can sustain life in temperatures higher or lower than where they are currently growing. The research revealed that trees have overlapping potential niches that extend beyond their realized niches, allowing them to expand their ranges. This new understanding challenges current methods for predictin...

SourceUniversity of Wyoming·JournalScience·TypeMeta-analysis·DateJul 9, 2024

How humans transform island bird communities

A study published in Ecology Letters found that humans have a greater impact on alien species diversity than geographic variables on most islands. Human factors such as colonisation pressure, habitat modification, and connectivity drive disparities in functional and phylogenetic diversity.

SourceCNRS·JournalEcology Letters·TypeData/statistical analysis·DateJul 1, 2024

Peak performance: Plants' genetic strategies for surviving high-altitude habitats

Researchers uncover the plant's sophisticated genetic adaptations, including a whole-genome duplication event that bolstered its cold tolerance and other alpine-specific survival traits. The discovery provides valuable insights into the genetic basis of alpine adaptation and could inform agricultural practices in challenging environments.

Specialist and migratory birds at greater risk under climate change

A new study analyzing historical data on biodiversity and climate for North America reveals a significant negative impact of climate change on birds. Specialist and migratory species are particularly at risk, with projected declines ranging from 2-16% by century's end due to habitat loss, pollution, and changes in food supply.

Fish in schools have an easier time swimming in rough waters

A recent study found that schooling fish expend up to 79% less energy while swimming in turbulent water compared to solitary fish. This suggests that traveling in schools allows fish to shield each other from disruptive water currents, making it easier to swim through rough waters.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateJun 6, 2024

How do you know where a fish goes?

A new method developed by researchers at Florida Atlantic University and the Smithsonian Environmental Research Center improves the accuracy of acoustic tracking in marine animals. The method uses a movement model to reconstruct animal tracks, even in regions with uneven receiver coverage.

SourceFlorida Atlantic University·JournalMethods in Ecology and Evolution·TypeComputational simulation/modeling·DateJun 6, 2024