Articles tagged with Species Diversity
Researchers examine local adaptation in over 100 species, finding that interactions among species do not spur adaptation; instead, environmental pressures like temperature and drought are key drivers.
A recent study published in Nature has shed light on the global relationships that determine bird diversity on islands, revealing that colonisation decreases with isolation and extinction decreases with area. The research also found that most island bird species represent unique evolutionary branches with no close relatives.
Researchers discovered functional diversity in TRPA1 receptors among mosquito species, affecting thermal sensitivity and citronella repellent efficacy. This study highlights the importance of considering species-specific traits for effective mosquito control.
A global distribution map of fish genetic diversity has been created, revealing uneven distribution across marine and freshwater species. Temperature plays a key role in shaping genetic diversity among marine fish, while habitat complexity and changes over time are crucial for freshwater species.
Human consumption and transportation drove Bahamian hutia population growth and distribution, shaping its diversity over 1,000 years. The species' unique genetic similarities between isolated populations suggest intentional human relocation.
Researchers discovered over 120 clusters of nearly two-centuries-old orchid bee nests built on the altarpiece of a Basilica Cathedral in Casco Viejo, Panama. The analysis of preserved pollen revealed 48 plant species, indicating a diverse floral landscape surrounding the cathedral in the late 19th century.
A study on collared lemming genomic variation reveals high genetic diversity in West Beringia, suggesting this region acts as a refuge for cold-adapted species. Temperature changes during the last interglacial period may have driven northward expansion of forests, leading to habitat contraction.
Scientists discovered dozens of new coral species during a recent expedition along the Great Barrier Reef, revealing that much of existing classification is deeply flawed. The team's findings suggest that biodiversity may be up to three times higher than previously thought.
Researchers found that geomorphic reclamation, a novel approach mimicking nearby undisturbed lands, outperforms traditional practices in restoring plant diversity and wildlife habitat. The study suggests that this method may be a practical solution for landscape-level restoration in post-mining sites.
A new study found that climate-related variables have a greater impact on small mammal biodiversity patterns across entire forest systems than deforestation does. This approach incorporates functional and phylogenetic diversity measures to uncover patterns that inform conservation efforts.
Researchers discover 15 new species of parasitoid wasps that manipulate spider behavior to protect their young. The wasps' complex web-spinning abilities are a rare phenomenon in nature.
A new study reveals that landscapes with mixed land uses are more productive and stable than those with uniform use. The research found that diverse landscapes can mitigate effects of climate variation and interact in ways that improve the functioning of the entire landscape.
A joint research team from NUS and LIPI uncovered five new bird species and five subspecies in three small island groups off Sulawesi, Indonesia. The discovery highlights the incomplete understanding of species diversity in complex areas like Wallacea.
A study examining 220,000 records of land use in western France found that conversion to crop production has long-lasting impacts on biodiversity. Functional diversity was relatively high in areas with old, permanent grasslands, highlighting the importance of retaining these sanctuaries.
A recent study found that the effective population size and genetic diversity of the Sunda fruit bat have shrunk significantly due to urbanization and human-mediated changes. The research team analyzed DNA samples from 1931 and 2011, revealing a nearly 30-fold reduction in genetic diversity.
Researchers discovered that events from 20,000 years ago or more are still impacting the diversity and distribution of mammal species globally. The study found that historic climate does a better job than current climate in explaining present biodiversity patterns.
Researchers developed equations to study life's diversity and predict specific traits, including reproduction timing and lifespan. The new theory refines old understandings about life history tradeoffs and has implications for ecosystem models and management decisions.
A new study reveals an unusual diversity gradient in the Amazon Basin, with higher species richness in the western portion than expected. The research, led by scientists from France and Brazil, analyzed data from 97 subdrainage basins along the main stem of the Amazon and its tributaries.
A new study predicts that 80-83% of New Guinea's language areas will experience decreased plant species diversity by 2070 under a 2°Celsius warming scenario. The Science Advances Special Collection proposes climate-smart expansion of protected areas to account for biodiversity and cultural traditions.
Research studies reveal that planktonic species diversity and functions change significantly according to latitude, with a peak around the equator and a decline towards the poles. These findings have strong ecological, environmental, and economic implications for ocean health and sustainability.
Researchers at OIST Graduate University have created the first augmented reality experience to pair with a taxonomic research paper, presenting six new species of Strumigenys ants from Fiji. The app, Insects3D, allows users to view 3D models of ant specimens in AR and magnify them up to the size of a lion.
A new sphenisciform fossil from New Zealand further resolves the bauplan of extinct giant penguins, characterized by elongated beaks and longer hindlimbs. The fossil, found in the North Island, provides key insights into the diversity of ancient penguin species.
A new study finds that hybridization significantly influences the evolutionary history of Heliconius butterflies, contributing to their unique wing patterns. The research suggests that hybridization can provide genetic material for rapid adaptive divergence and radiation, leading to beneficial consequences in species evolution.
A new study analyzing diversity across an Australasian reef reveals that coral species richness at different depths is unrelated to energy availability. Despite the expectation of greater diversity in shallower waters due to increased sunlight, the research found that coral diversity was highest at depths of between 15 and 20 metres.
Research reveals connections between soy sourcing and habitat loss for giant anteater species, highlighting the impact of global agricultural trade on biodiversity. The study examined soy production and exportation from Brazil between 2000-2010 and found significant links between consumption patterns and biodiversity loss.
Researchers describe two new African tropical parasitoid wasp species, Epirhyssa quagga and Epirhyssa johanna, which are among the largest wasps known. The discovery expands understanding of parasitoid insect diversity in tropical forests.
Mackerel shark diversity peaked in the Early Late Cretaceous period but declined over the last 20 million years. Cooler temperatures and clade competition with ground sharks drove this decline.
Climate change causes grassland communities to lose diverse species, especially those adapted to drought. The loss of native forbs with high specific leaf area indicates water-limited regions are particularly vulnerable.
A newly identified species of pterosaur, Cryodrakon boreas, has been found in Canada with a massive wingspan of up to 10 meters, making it comparable to the giant Quetzalcoatlus. The discovery provides valuable insights into the diversity and evolution of predatory pterosaurs in North America.
A study published in Global Change Biology found that forests with a diverse range of tree species are more productive and stable than monocultures. The research analyzed data from the Sardinilla experiment and concluded that mixtures of two and three tree species have significantly higher productivity, while those with five species ha...
A special issue of PhytoKeys highlights 23 newly described species from China's biodiversity hotspots, showcasing the country's unique flora and diverse microclimates. The discovery underscores the need for conservation efforts in these regions to counteract increasing anthropogenic disturbance and destruction.
Research suggests that considering multiple types of interactions between species is key to understanding how ecosystems work. The study found that removing species can have a greater impact on ecosystem function when different kinds of interactions are taken into account.
Four new species of extinct Paradoxosisyrinae were discovered in Burmese amber, revealing nectar-feeding habits and inefficient proboscis design. Researchers found the insects could not seal their proboscis for effective nectar uptake, limiting their ability to feed on deep-flowered plants.
Researchers at the University of Cincinnati discovered that six out of eight extinct Galapagos finch populations had higher genetic diversity than their surviving counterparts. This finding suggests that genetic diversity may not be a reliable predictor of extinction risk for mobile species like finches.
Research from the University of York suggests that climate change is disrupting local plant communities, leading to increases in species richness in certain areas. The study analyzed over 200 studies and found that rapid changes in rainfall are driving these local diversity increases.
Researchers studied skulls of New World leaf-nosed bats to understand the evolution of specialized diets and faces. They found that heterochrony influenced development, leading to primate-like faces for fruit-eating bats and wolf-like faces for bird- and rodent-eating bats.
Research in Hawaiian forests reveals older islands harbor more native and rare species than younger islands. Biological invasions hinder the impact of island age on biodiversity patterns.
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.