Articles tagged with Species Diversity
A study by Martin-Luther-Universität Halle-Wittenberg and the German Centre for Integrative Biodiversity Research found that 41% more plant species in Germany have decreased in abundance over the past 100 years, while only 19% have increased. This uneven distribution of gains and losses indicates a significant loss of biodiversity.
New research from the University of East Anglia reveals that wild bees are actively foraging in the sunlit woodland canopy, particularly among Sycamore trees. A diverse community of wild bees was found to thrive in this habitat, with nectar and pollen-rich trees providing essential food sources.
A new study reveals that losing endangered fruit-eating animals in the Atlantic Forest could severely disrupt seed-dispersal networks, leaving plants without an effective means to regenerate. Nearly 55% of specialist plant species rely solely on these frugivores for seed dispersal.
A team of scientists and high school students collaborated to study Hong Kong's soil biodiversity, collecting 3,588 individual samples and identifying 150 species. The project also raised public awareness about the importance of citizen science in understanding local biodiversity.
Researchers found that coral symbiont community structure responds to environmental conditions in Kaneohe Bay, which can help predict how corals will respond to future heat stress. Corals in areas with less light and temperature variability hosted less of the stress resilient symbiont.
Researchers documented social ties between individual chimpanzees and gorillas that persisted over years and across different contexts. The study found enhanced foraging opportunities to be a key benefit of interspecies social interactions, with apes sharing knowledge of diverse plant species.
Researchers found that small amounts of development can positively impact bee species in a given area, revealing the importance of forest remnants and blended landscapes. The study discovered 111 species, representing 20% of known Georgia bee species, and provided a framework for future research to assist in bee conservation.
Researchers found that hedges and perennial flower strips complement each other to support wild bees in orchards, with species visiting flowers at different times of the year. Perennial flower strips were more beneficial for wild bees than annual strips, attracting different bee communities over time.
Research reveals that tree species diversity enhances drought resistance in nearly half of the world's forests, with a greater impact on dry and drought-prone regions. The study suggests that restoring tree species diversity could increase drought resistance by up to 3.2% in global plantation forests.
A recent genomic analysis reveals that all South American canid species descended from a single ancestral population that arrived on the continent between 3.5 million and 4 million years ago. The study found that genetic mutations leading to extreme variations in height, size, and diet were introduced artificially through selective bre...
A study on common ragweed found that its gene adaptation is key to its successful invasion of Europe. The plant's ability to resist local pathogens and hybridize with other species has allowed it to outcompete native species.
Researchers found that unique coloration makes songbirds more sought after as pets, threatening their populations and the aesthetic value of nature. The study identifies nearly 500 bird species at risk due to their colors, emphasizing the need for sustainable trade regulations.
Researchers have identified a new-to-science species of octopus, Callistoctopus xiaohongxu, found in the southeast waters of China. The species has distinctive smooth skin and reddish-brown coloration, making it a significant discovery for cephalopod diversity in Chinese waters.
New research finds that most tokay geckos sold in Hong Kong's TCM shops originated from Southeast Asia, not locally. The study highlights the need for stricter control of pet trade releases to protect this vulnerable species.
The study quantifies the impact of human activity on the Atlantic Rainforest's carbon storage capacity, highlighting that forest degradation leads to significant losses and increased greenhouse gas emissions. Conservation efforts are crucial to reverse these effects and protect the biome's carbon stocks.
A new study reveals that bats' diets are more similar than previously thought, with both species eating a variety of insects and agricultural pests. The research found that the northern long-eared bat tends to pick up larger prey items due to its gleaning strategy.
A new standard will help identify critical areas for shark conservation using criteria that consider biological and ecological needs. The framework aims to support the protection of apex predators facing extinction due to human threats.
A Rutgers-led study finds that biodiversity of the bee population is crucial for maintaining stable pollination services over a growing season and years. The research suggests that different bee species pollinate the same plants at different times and dominate pollinators on specific types of plants in different years.
Research by Oregon State University finds that old-growth forests with diverse tree sizes and species can provide refuge for birds threatened by warming climate. Cooler microclimates and higher forest diversity tend to reduce negative effects on bird populations.
Researchers analyzed 170,000 vegetation plots from all climate zones to find that small areas can have high biodiversity, like Eastern European steppes and Siberia. This challenges the idea of large-scale conservation, as smaller protected zones may be more effective in preserving ecosystems.
Researchers have identified eight new species of tiny brown geckos in Madagascar's rainforests, expanding our understanding of their distribution and evolution. The discovery highlights the importance of continued sampling across the region to uncover new species.
Researchers have used state-of-the-art technology to study the prehistoric Trilophosuchus rackhami, a tiny crocodile found in north-west Queensland. The analysis reveals distinctive ridges on its skull and brain cavity similarities with distantly related terrestrial extinct crocs from Africa and South America.
A new study from the University of South Australia shows that captive frogs can be protected from the deadly fungus Batrachochytrium dendrobatidis (Bd) through natural skin shedding processes. However, captivity also reduces skin bacteria diversity and richness, potentially affecting the frogs' resilience to pathogens.
Researchers found that in almost two-thirds of cases, agricultural diversity had a positive effect on food security. However, the relationship was mixed or showed no effect in about one-third of cases. The study highlights the importance of preserving agrobiodiversity to ensure food systems can adapt to climate change and other stresses.
New research from the University of East Anglia finds that hydropower developments lead to flooding forests, driving biodiversity loss and ecosystem disruptions. The study reveals widespread species extinction, especially among large-bodied species, highlighting the need for sustainable energy security and biodiversity conservation.
Researchers have found a 30-million-year-old beaver fossil that challenges previous theories on the evolution of semi-aquatic beavers in North America. The discovery, published in Royal Society Open Science, suggests that these animals may have evolved to swim earlier than previously thought and were likely adapted for aquatic life.
A comprehensive study reveals that nitrogen-fixers are most diverse in arid regions of the US, contrary to expectations. Plants have evolved creative ways to acquire nitrogen, and their diversity increases in these environments due to adaptations such as thicker cuticles.
Researchers studied 28 clades with 1,437 species in subtropical East Asian caves to understand biotic colonization. They found that climate changes and forest evolution drove colonization over time.
A new study by Flinders University scientists highlights the importance of prey and habitat diversity for the coexistence of Australian snubfin and humpback dolphins. The research found that subtle differences in their habitat use and prey selection promote the coexistence of these ecologically similar dolphin species.
Researchers discovered that male spiders select sexual organ with more sperm for first copulation with cannibalistic females and transfer significantly more sperm when risk is high. The study supports the male mating syndrome theory, which posits that males evolve strategies to counter female cannibalism.
Researchers have found that small mammal diversity decreased with increasing human modification and that modern communities are fundamentally distinct from past ones. Even protected spaces can conserve native small mammal communities, highlighting their importance in urban conservation projects.
Climate change is driving the expansion of invasive insect species, such as the oak gall wasp, into more northerly oak savannas. This can lead to an imbalance in the ecosystem, as these insects can overwhelm native species without natural predators or competitors.
A team of researchers at the University of Hawaii collected over 3,000 microbial samples from Waimea Valley's watershed, discovering that microbes follow the food web and are maintained within soil and stream water. The study also found that local distribution of a microbe predicts its global distribution.
A new study analyzing 72 lakes in four large Neotropical wetlands of Brazil reveals that human impacts on biodiversity compromise wetland multifunctionality. Strong associations between aquatic organism diversity and wetland functioning were found, highlighting the crucial role of species richness in driving ecosystem health.
A study of wild baboons in southern Kenya found that most carry traces of hybridization in their DNA, with about a third of their genetic makeup coming from another species. However, new genetic evidence reveals that some borrowed genes came at a cost, affecting the hybrids' survival and reproduction.
A new study used artificial intelligence to create the largest global map of insect diversity, highlighting areas with high ant biodiversity and potential conservation priorities. The researchers also found that only a low percentage of these areas are protected.
A high-resolution map of ant biodiversity has been created, revealing areas with high diversity and potential for new species discovery. The study's findings highlight the importance of protecting critical regions with high ant diversity.
A UBC research team created a computer modelling program to predict coral reef impact and restoration plans. They found that more diverse communities are most resilient, with species having unique traits contributing to habitat quality.
Researchers investigate how foraging adaptations affect Arctic charr resilience to climate change. The team aims to develop a framework linking genetic and malleable components of feeding trait diversity to population demography, habitat, and eco-evolutionary potential.
Scientists have discovered a new, venomous pit viper species in Jiuzhaigou National Nature Reserve, China. The newly described snake has unique characteristics and is found to feed on small mammals in sunny days by the roadside.
A new study in Frontiers in Microbiology found that centuries-old lava caves on Hawaiʻi Island harbor an astonishing number of previously undiscovered bacterial species, including the Chloroflexi group. These microbes play key ecological roles in their communities and may have played a crucial role in shaping life on Mars and early Earth.
Research predicts that bird species extinction will decrease morphological diversity among remaining birds at a rate greater than species loss alone. Birds with extreme features are most likely to be affected, including the largest and smallest species, as well as regions like the Himalayan mountains and south Vietnam/Cambodia.
A team of researchers, led by UTA biologist Eric Smith, has identified six new species of miniature frogs in Mexico. These tiny amphibians have evolved to retain juvenile characteristics, limiting their adult growth and size.
A study by Yale ornithologist Richard Prum and colleagues found that hummingbirds exhibit the highest level of color diversity among all bird species, with an increase of 56% in known bird-visible plumage colors.
A global survey of biodiversity experts finds that more species are threatened with extinction than previously thought, with estimates suggesting 30% of species have been lost since 1500. The study identifies climate change, pollution, and land-use changes as key drivers of biodiversity loss.
A recent study by Xi'an Jiaotong-Liverpool University provides a method to help farmers and policymakers decide whether organic farming is beneficial for the environment. The researchers analyzed international studies to find a threshold where organic farming's biodiversity gain outweighs its land requirements.
Three new hawk moth species have been discovered in The Bahamas, measuring only about the length of a vitamin pill. Their small size is thought to be an adaptation to survive harsh weather conditions such as hurricanes and drought.
Researchers from the University of Turku have described seven new species of tropical ferns, including six from the genus Danaea and one from Dennstaedtia. The newly discovered species range from 20cm to 2m tall and offer insights into the biodiversity of Amazonian rainforests.
The IPBES assessment report reveals that billions of people rely on wild species for food, energy, and income, with 10,000 species harvested for human consumption. However, the report warns that unsustainable use is threatening the survival of these species, driven by drivers such as land changes, climate change, and pollution.
A new study reveals that 41% of Vietnam's amphibian species are threatened with extinction, with many having limited distribution ranges and no conservation data available. The researchers highlight the importance of implementing targeted conservation efforts, including ex-situ programs and protected areas, to address these gaps.
Research suggests climate-driven changes in seawater density may disrupt mangrove dispersal patterns worldwide, particularly in the Indo-West Pacific region. The study, published in Nature Climate Change, highlights the importance of considering oceanic factors in understanding mangrove response to climate change.
A conceptual species 'stock market' aims to assign economic value to species and ecosystems, promoting sustainability and biodiversity conservation. The SSM would enable the valuation of ecosystem services and actions that harm or benefit biodiversity, fostering a unified approach to environmental decision-making.
A recent statewide census of California bumble bees found significant declines due to climate change, urbanization, and pesticide use. Despite finding most common species, researchers failed to locate several iconic species, including the Western bumble bee, highlighting urgent need for conservation efforts.
A new study in Frontiers in Earth Science questions the link between climate change and ecosystem diversity during the origin of dinosaurs in Argentina. The researchers found that variations in species abundance cannot be explained by climatic changes, instead attributing it to preservation and sampling biases.
A recent study published in mSystems found that high abundance of Lactobacillus crispatus is associated with a 40% lower risk of preterm birth, particularly in Black women. The study analyzed data from the Pregnancy, Infection, and Nutrition Study and stratified findings by race.
Researchers discovered over 1,200 RNA viruses linked to carbon absorption on the ocean floor. The study suggests engineered viruses could be used as 'knobs' to control carbon storage, potentially slowing climate change.
A study from Washington University in St. Louis highlights the importance of spatial aspects of biodiversity for healthy forest functioning. The research shows that tree beta diversity, a measure of site-to-site variation in species composition, is stronger than other components of biodiversity at larger scales.
The study creates a catalogue of genomic diversity for endangered chimpanzees, allowing researchers to pinpoint the origin of confiscated animals within 100 kilometers. This information can support conservation efforts and combat the illegal trade of chimpanzees.
A recent study found that even tiny marine invertebrates have distinct and diverse microbial communities, called microbiomes. These findings challenge the assumption that closely related animals share similar microbiomes.
A new machine learning tool assesses extinction risk for reptiles with limited data, revealing a higher number of threatened species than previously estimated. The study highlights the need for increased conservation efforts in regions such as Australia, Madagascar, and the Amazon basin.