Articles tagged with Species Diversity
Researchers have discovered a new fossil cichlid species, Oreochromimos, from Central Kenya dating back 12.5 million years, providing insights into the evolutionary history of East African Cichlids and their radiation in the Great Lakes region.
A UCF team led by Veronica Urgiles has discovered and named two new frog species found in high-elevation ecosystems of Ecuador. The team's research highlights the vast diversity of species yet to be discovered in the region, which is critical for conservation efforts.
A new fossil species of cichlids has been discovered in Central Kenya, providing a unique glimpse into the evolutionary history of the group. The 12.5-million-year-old discovery dates back to the time of the East African Radiation and is significant for shedding light on the evolution of African cichlids.
A recent study has found a greater diversity of coralline algae species in kelp forests compared to sea urchin barrens, where they thrive despite the loss of sea otters. This discovery suggests that corallines may play a crucial role in maintaining these ecosystems.
New research reveals coral reefs have retreated from tropical waters and established new reefs in more temperate regions over the last 40 years. This shift is attributed to climate change, which has warmed ocean temperatures, favoring corals' growth in subtropical areas.
A global data resource has been developed to showcase the genetic diversity of chickens, featuring 174 breeds. The Synbreed Chicken Diversity Panel (SCDP) includes information on SNPs and provides a comprehensive family tree, highlighting the importance of preserving genetic variation for breeding sustainability.
Scientists discovered ancient crocodile species' climate sensitivity, suggesting they served as 'climate clocks.' Fossil analysis mapped their distribution to reconstruct global temperatures during the Eocene-Oligocene epochs. The study provides new insights into how these ancient reptiles adapted to changing climates.
A team of researchers, led by Princeton's Rob Pringle, studied the effects of invading predators on prey species in the Bahamas. The study found that when prey can respond rapidly to the presence of a predator, predators might reduce the ability of prey species to coexist.
A comprehensive network of sites has been developed to conserve and utilize the genetic diversity of wild crop relatives, enabling plant breeders to create more resilient crops. The 150 identified 'hotspot' sites worldwide are crucial for tackling global food security challenges and preserving nature conservation.
A recent study has sequenced the genomes of Leptospira bacteria from around the globe, revealing 30 new species and reorganizing the genus into four distinct lineages. The findings provide new insights into the evolution and diversity of Leptospira bacteria, which are a major cause of zoonotic disease affecting millions worldwide.
Researchers from ETH Zurich have modeled the spatial and temporal distribution of over 530 species of phytoplankton using 700,000 water samples. The study reveals that tropical waters hold the richest diversity of species at all times of the year, while mid-latitudes exhibit lower biodiversity due to strong currents and turbulence.
Researchers sequenced the narwhal genome, finding low genetic diversity despite the species' abundance. The findings challenge the notion that high genetic diversity is necessary for survival.
Researchers found that parasitoid wasp larvae use the ecdysone hormone to hack into spiders' internal code, inducing changes in web construction and behavior. This external parasite rides on the surface of the spider's abdomen, injecting psychotropic substances to access the brain.
Scientists found contrasting latitudinal gradients in woody and herbaceous communities, with closely-related species in tropical rain forests and temperate grasslands. The study supports the view that different regions act as evolutionary cradles or museums, influencing diversity patterns.
Research reveals that increased plant species lead to higher insect species richness and abundance, challenging current management practices for ecosystem conservation.
A new study finds that evolution is the key to understanding the 'speed limit' of recovery after mass extinctions, with a minimum time of 10 million years for species diversity to return. This finding has implications for ongoing extinction events driven by climate change.
Scientists have identified a new ebolavirus species, Bombali virus, in an Angolan free-tailed bat captured in Kenya. The researchers found high amounts of the virus in bat tissues, confirming productive infection occurs in this species.
Researchers at University of Göttingen investigated how different data sources can be integrated for biodiversity research. They found that higher data resolution is crucial for accurate studies, but detailed data often have smaller global availability and representativeness.
A recent study published in Proceedings of the National Academy of Sciences found that younger groups of organisms diversify faster than older ones, challenging traditional explanations for the Tree of Life's imbalance. This suggests that time-dependent general principles govern life's diversity on Earth, operating beneath other factors
A broad-scale study found a significant relationship between tree diversity and nonnative pest invasions. High tree diversity reduces pest invasions by creating ecological niches that make it harder for pests to find resources, while low diversity increases the risk of invasion. The study's results have important implications for fores...
Researchers found that forelimb diversity increased around 270 million years ago with the emergence of Permian therapsids. This increase may have allowed for new forelimb functions and enhanced locomotion capabilities.
Researchers found that homeowners' desert plantings create habitat for desert specialist birds, such as verdin and cactus wren. Despite overall declines in bird diversity, these plants retained the richness of bird species in neighborhoods with higher per-capita incomes.
Research found that microbes specialize at the genotype level, promoting diversity by killing common species and making room for rare ones. This leads to increased seed dispersal, creating landscapes that allow pathogens to effectively promote diversity.
Researchers measured the area impacted by humans in Antarctica for the first time, finding that 81% of buildings are located within 0.44% of ice-free land, which supports diverse flora and fauna.
A new study led by the University of Birmingham found that biodiversity on land has been stable for at least 60 million years, contrary to previous assumptions. The research analyzed fossil data from thousands of sites and found that interactions between species limit the number of species that can co-exist.
Research suggests that bees' dispersal ability influences their population genetic structure, which can impact their response to environmental changes. Larger-bodied bees with social behaviors exhibit lower genetic diversity than smaller-bodied solitary species.
Researchers found 254 species in Basel gardens, including rare and threatened species. Structural diversity is key to increasing species diversity in these ecosystems.
A new study reveals that polar marine predators have a metabolic advantage in cold temperatures, allowing them to thrive with greater species richness at the poles than in the tropics. This challenges the typical latitudinal gradient of increasing diversity towards the equator.
A new study reveals that the loss of coral species diversity can imperil surviving corals and weaken reef systems. Researchers found that single-species plots performed worse than biodiverse groups in a 16-month experiment off Fiji's Pacific shores.
Natural enemies near individual trees restrict tree recruitment, favoring rare species over common ones. Tropical forest diversity is maintained by the 'seed shadow' around adult trees, allowing rare species to thrive.
A study found that four mammalian lineages coexisted with the dinosaurs and survived the end-Cretaceous mass extinction. Some species were more resilient than others, while others diversified rapidly in response to new environmental conditions.
A study of over 1,700 individuals found distinct gut microbiome compositions between IBD and IBS patients. The results may help identify new therapeutic targets for these gastrointestinal disorders.
New studies suggest that current pesticide regulations fail to account for potential health threats to non-honeybee bee species, which are equally important pollinators. Researchers are calling for more diverse models, such as solitary bees and bumblebees, to be included in risk assessments.
Researchers found that closely related reef fish species with vastly different colour patterns are most pronounced when their ranges overlap. The study also discovered that this divergence in colour patterns can occur quickly over 300,000 years but remains stable for millions of years.
A new study challenges the traditional hypothesis that ancient hominins led to the decline of African megaherbivores. The research reveals that environmental changes, such as changes in atmospheric carbon dioxide and tropical grassland expansion, drove the long-term decline of these large-bodied species over 7 million years.
A study published in Nature Communications reveals that eleven seal species narrowly escaped extinction, with most surviving strong population declines. However, four species, including the northern elephant seal and Mediterranean monk seal, suffered severe genetic loss due to overhunting.
The study reveals that nearly half of Utah's bee species dwell within the monument's original boundaries, with over 660 species identified. This hotspot of bee diversity is attributed to the presence of 87% of Utah's flowering plant species within the monument's boundaries.
Research suggests that rising CO2 levels could lead to an increase in mosquito-related diseases, as the climate continues to change. The study found a link between CO2 and mosquito evolution, but also highlights the importance of mammal diversity in driving species richness.
A massive study found that climate change could lead to the spread of disease-carrying mosquitoes, putting millions at risk. Rising CO2 levels are linked to an increase in mosquito species diversity.
Gene editing technology poses risks and benefits for ecosystems, human health, and community values. A proposed international oversight panel aims to address these concerns through inclusive deliberations and standardized reports.
A Yale-led study finds that fragmentation weakens impact of fungal pathogens and insect herbivores, enabling some tree species to thrive near edges. Researchers tested the effect of natural enemies on seedling diversity in fragmented forests, finding that suppression of these enemies led to biodiversity decline.
A recent study of native wild bees in Mexico's tropical dry forest found that preserved vegetation areas support significantly greater bee richness and diversity. Urbanization and agriculture lead to major shifts in species composition, threatening local extinctions.
Researchers found cranial shape variation within species reflects genetic diversity. Genetic drift and mutation processes underlying genetic diversity are likely drivers of this variation.
The study calculates mammalian phylogenetic diversity loss due to extinctions since the Last Interglacial. Global losses exceed expected random extinctions, with recovery estimated at 3-5 million years for PD lost during this period.
Researchers at the University of Stirling investigate how female dance flies use sexual ornaments to attract mates, finding that females deceive males by inflating their appearance to increase food rewards. This discovery sheds light on the role of sexual selection in creating diversity among species.
Researchers have developed a new approach to conserving tree species, focusing on increasing genetic diversity and efficiency in protection. The method can be tailored for successful conservation of any species, including custom-tailored seed collection protocols.
The study reveals that animal biodiversity has expanded episodically to the present day, contrary to theories of a single Cambrian explosion. The development of life until the Cambrian period included a wide range of designs, with regulatory genes playing a key role in increasing diversity.
Research reveals a 73% decrease in bird abundance and 45% drop in species diversity at nine sites surveyed on the Pajarito Plateau. The decline may signal early effects of drought, hotter temperatures, and bark beetle outbreaks on piñon pine trees.
Researchers analyzed ecological features and DNA sequencing data to reconstruct the tree of life of aquatic macroinvertebrates in Europe. They found that oldest lineages have higher functional diversity than younger ones, which is influenced by their ability to colonize new habitats.
A new study reveals that animal and fungal species have a significant impact on forest performance, including carbon storage and climate regulation. The research, conducted over ten years in subtropical forests, found that biodiversity must be considered as a whole to maintain forest health.
A team of international scientists found that preserving phylogenetic diversity among species can preserve 18% more functional diversity than selecting species at random. However, in some areas and groups, this method was less effective, highlighting the need for further research and adaptation.
Scientists have discovered significant differences in gonad development between Steinernema carpocapsae and C. elegans, highlighting the diversity of neuronal anatomy across nematode species. This research has practical applications for commercializing biocontrol products and advancing our understanding of genetic processes.
A study of nearly 50,000 New Zealand children found that greener neighborhoods are less likely to develop asthma, while low plant diversity is associated with a higher risk. Biodiversity conservation may provide concrete health benefits beyond its ecological significance.
A comprehensive survey of mammalian microbiomes found humans to have a significantly lower diversity of skin microorganisms compared to other mammals. This difference may be attributed to modern hygiene practices, habitat, and co-evolution between host and skin microbial communities.
A team of scientists analyzed ant species distributions to understand why biodiversity is higher in the tropics. Their research suggests that time is key to species diversity, with tropical habitats having had more time to accumulate species.
A new study by James Cook University found that palm oil plantations in Colombia can have devastating impacts on wildlife, but also identified factors that can improve species diversity within plantations, such as dense undergrowth vegetation and proximity to forest.
Climate change in Quebec could lead to a greater diversity of species in national and provincial parks. By 2100, up to half of the protected regions may see an increase in species turnover of over 80%. The researchers suggest rethinking conservation strategies to prioritize site resilience and connectivity.
Researchers studied 4,450 species in American tropics, finding Amazonia as primary source of diversity, with over 2,800 lineages. The study highlights the role of dispersal in assembling regional biotas across Mesoamerica and northern South America.
Researchers analyzed genetic material from organisms to assess dark diversity of sharks and found three times more species in wilderness areas than traditional visual methods. The results suggest a lower estimated dark diversity of sharks in the region, potentially impacting IUCN Red List classifications and aiding conservation efforts.
Scientists have identified thermal energy and low climate stress as key drivers of coral species diversity in the Indian Ocean. The study, published in the Journal of Biogeography, found that optimal levels of warm water and reduced stress support high species richness, while extreme temperatures kill many species.