Researchers found that 31 non-native freshwater species have established themselves in Galicia, including fish, amphibians, and plants. The study highlights the growing threat of invasive species to biodiversity in the region.
Invasive species can halt natural speciation processes, leading to mass extinction events. The Late Devonian ecosystem collapsed due to dominant invasive species, wiping out locally adapted species and preventing new life forms from arising.
Scientists confirm environmental limits to species diversity, extending the concept over a million years through lizard study in the Caribbean. Larger islands tend to support more distinct species of lizards.
A study reveals that many rare coral species in Hawaii may interbreed with more common species, making it challenging to determine their individual species identity. This uncertainty affects conservation efforts and taxonomy of the coral genus Montipora.
A new study by ecologists at Rice University and the University of California, Santa Barbara, challenges standard assumptions about biodiversity loss on ecosystems. The research suggests that changing dietary needs within species have important implications for ecosystem health, making natural ecosystems less stable than previously tho...
The Genome 10K Project aims to sequence the genomes of 10,000 vertebrate species, including humans. The project will focus on 101 species, chosen for their phylogenetic diversity and scientific interest, and will be sequenced within the next two years.
The research team aims to create hybrid ecosystems with a mix of native and non-native species, optimizing carbon storage and supporting native biodiversity. The project will begin in April 2011 and be conducted over five years, focusing on finding ways to co-exist with invasive species.
A species-rescue program for Haiti's threatened frogs and other species is being established, with captive-breeding and gene-preservation efforts. The goal is to preserve species in case they become extinct due to habitat loss, with a focus on releasing offspring in Haiti when the forest habitat improves.
A global study by the International Union for Conservation of Nature (IUCN) reveals that 33% of shark, skate, and ray species are threatened with extinction. Conservation actions have benefited a few vertebrate species worldwide, but insufficient efforts to slow the overall increase in threatened species.
A new assessment reveals that 20% of the world's vertebrates are currently threatened with extinction, with 52 species moving closer to extinction each year. The study highlights the alarming rate of decline among vertebrate species globally.
A study by Dr. David Lohman suggests the Philippines could have more unique bird species due to its high biodiversity and geographic isolation. This could have significant implications for conservation efforts in the country.
Computational biologists at the University of Pennsylvania found that species diversification rates have typically decayed over time, suggesting a limit to species diversity. The study used phylogenies from various groups and found relatively little extinction in the evolutionary trees, contrasting with the fossil record.
Significant changes in coastal fish species distribution are observed in south-eastern Australia, partly due to climate change. The study identified 43 species exhibiting shifts thought to be climate-related, including warm temperate surf-zone species and range increases for Snapper and Rock Flathead.
Researchers found hundreds of rhododendron species could be derived from hybrids, explaining rich biodiversity and ancient cross-breeding. Ancient pairings of wild plants led to development of new species over millions of years.
A study published in Science reveals that molecular sequence data can be used to quantify cross-species transmission rates, with bats being the most common source of human infections. The analysis found that rabies viruses are more likely to jump between closely related bat species than distant ones.
The Census of Marine Life has published an inventory of species distribution and diversity in 25 biologically representative regions around the world. Crustaceans comprise about one-fifth of all species found, with only two percent being vertebrates.
A recent study using DNA barcoding has discovered five previously unknown frog species among 30 that were wiped out by a fungal epidemic in Panama. The research also highlights the urgent need to address the biodiversity crisis, with many species disappearing before they can be documented.
A study published in the Proceedings of the National Academy of Sciences reveals that a fungal disease has decimated amphibian abundance and species diversity in Central America's highlands. The researchers used DNA barcoding to estimate the impact of the epidemic, discovering five new species were also lost.
Scientists studied ancient bird migration and found that northern birds had the ability to cross the land bridge, while southern species were restricted. The study reveals an uneven species migration pattern, with many New World oscine species breeding in South America despite having northern origins.
A massive study at the Smithsonian Tropical Research Institute found that rare species of trees are more sensitive to their own species neighbors than common species. This interaction plays a crucial role in determining which organisms thrive in tropical forests.
Researchers found that adult trees harbor pests and diseases that harm seedlings of their own species more than others, leading to stabilizing mechanisms that maintain diversity. The study suggests that plant interactions with soil biota are powerful enough to explain co-existence and abundance patterns in tropical forests.
Research led by University of Wisconsin-Milwaukee scientists finds that soil-borne pathogens drive species diversity and explain patterns of tree abundance. The study's findings suggest that certain tree species are more susceptible to pathogens, which prevents rare species from becoming abundant.
Chinese and German scientists have discovered a new species of Large Blue butterfly in the south of China. The species, named Phengaris xiushani, was described in an open access journal and is the first known species of its family to be found in mountain forests.
A new study published in PLoS Biology calls for the public's help in collecting bird sighting data, which is crucial for monitoring biodiversity. The researchers highlight that current data on common species is scarce, making it difficult to establish a 'biodiversity baseline', and urge citizens to record their sightings online.
Researchers found little evidence for geographical separation driving hamlet color variations, instead suggesting ecological factors like competition for food and habitat may influence co-existence. The study provides insights into the evolutionary process of new species arising.
New research using DNA barcoding identifies specific tuna species with high mercury levels, which can pose a health risk to frequent fish eaters. The study suggests that consumers can minimize their mercury intake by choosing lower-mercury tuna options like yellowfin, and calls for clearer labeling of tuna species.
A team of scientists, including IUCN and Conservation International experts, proposes expanding the IUCN Red List to include up to 160,000 species, enabling a better understanding of extinction rates and environmental health. The estimated cost is $60 million, with current efforts costing around $4 million per year.
A study of over 226,000 trees reveals that species respond differently to environmental fluctuations, contrary to previous findings. This discovery sheds light on the coexistence of competing tree species and has implications for understanding invasive species invasions.
The study found that European plant communities are becoming more homogeneous, with rare species becoming extinct and phylogenetic diversity decreasing. This loss of uniqueness makes it harder for biological communities to adapt to environmental changes.
Researchers at San Francisco State University have discovered 7 new glow-in-the-dark mushroom species, including four new species and three new reports of luminescence in existing species. The discoveries, which include species from Belize to Japan, suggest that luminescence evolved at a single point and was later lost by some species.
Researchers at the University of Gothenburg have discovered nine new bristleworm species that feed on dead whales, highlighting a previously unknown food source in marine ecosystems. The study reveals these specialized organisms play a significant role in nutrient cycling and ecosystem balance.
A new study found that species living in restricted environments, like the tropics, lack genetic variation and can't adapt to climate change. This limitation affects many species, including insects, mammals, and fish, making conservation efforts more challenging.
A new study projects that California's bird communities will undergo significant changes by 2070, with some species shifting distributions and others forming novel assemblages. This could have far-reaching consequences for ecosystems and biodiversity management strategies.
A team of scientists from the University of Toronto identified a drastic invasion of round goby into many Great Lakes tributaries, including areas known as 'species-at-risk' hot spots. The impact on native fish and mussel species is likely to be serious, with up to 89% of fish species and 17% of mussel species affected.
A 2007 legal interpretation of the Endangered Species Act could lead to fewer species being listed for protection, resulting in reduced conservation efforts. Researchers warn that this policy sets the stage for 'wilderness zoos,' which would erode habitats and threaten endangered species.
Research by José Luis Martín Esquivel reveals inconsistencies between IUCN Red List criteria and the conservation status of species on the Canary Islands. The scientist argues that continental-based thresholds may not be suitable for island ecosystems, leading to over-inclusion of species not at risk.
A study published in Proceedings of the National Academy of Sciences reveals that California's horned lizard diverged into at least three new species when it moved north from Baja California. The findings provide clarity for conservation actions to follow, highlighting the importance of integrating genetic, anatomical and ecological in...
Researchers develop computer model showing how diverse species can arise from arrangement of organisms across an area without physical barriers or natural selection. The study found that genetic distance increases over generations, leading to a rapid increase in species numbers until they reach a steady state.
Research at the University of Nebraska-Lincoln shows that invasive plant species like Eastern white pine can accumulate and hold onto nitrogen, leading to increased biomass and productivity. This nitrogen accumulation allows the plants to outcompete native species and invade their habitats.
The International Institute for Species Exploration announced the top 10 new species discovered in 2008, including a pea-sized seahorse, caffeine-free coffee, and bacteria that live in hairspray. The list also includes the world's longest insect, the world's smallest snake, and a ghost slug from Wales.
Scientists use DNA barcoding to identify mosquito species spreading lymphatic filariasis, a disease causing permanent disability worldwide. The technique reveals menace species habitats and range, aiding understanding of environmental factors influencing their breeding.
Researchers at University of Gothenburg discover Fucus radicans, a new seaweed species formed less than 2,500 years ago. The study highlights the rapid formation of new species in the young and species-poor Baltic Sea ecosystem.
A UBC study has shown that different species of three-spine stickleback fish can significantly impact their aquatic ecosystems within 11 weeks. The researchers created mini-ecosystems in tanks with varying species and found substantial differences in dissolved organic carbon levels, affecting plant growth and sunlight penetration.
Researchers have discovered a cryptic species of kissing bugs that co-exist with known carrier species of the Chagas disease-causing parasite, despite being genetically distinct. The study's findings suggest that understanding what keeps these species separated is crucial to developing effective control measures.
In a study, researchers found that even slight differences between competing species can lead to the weakest being victorious in cyclical competitions. This phenomenon, known as the law of the weakest, was simulated using computer models and has implications for understanding evolution and ecosystem development.
A rapidly evolving gene contributes to the origin of new species by driving an evolutionary arms race inside cells. The Nup160 and Nup96 genes, which code for gatekeepers of a cell's nucleus, have become incompatible between closely related fruit fly species.
A global study of 5,290 bird species found that environmental variation causes birds to lay larger clutches. The study, published in PLOS Biology, also revealed that species living in seasonal environments tend to have larger clutches than those in tropical regions.
Researchers discovered that butterfly species with similar wing patterns have evolved to live in the same territory, maximizing benefits of their appearance. This adaptation highlights the role of protection from predators in evolution beyond pure competition.
A comprehensive overview of alien species in Europe reveals over 11,000 documented species, with 15% causing economic damages and 15% harming biological diversity. The DAISIE project provides a valuable tool for managing biological invasions in Europe, enabling early detection, eradication, and control methods.
A new report published in Current Biology reveals that the Sunda colugo has at least three separate species, with each geographic region harboring its own unique species. The findings have important conservation implications for these enigmatic mammals.
Researchers discovered a hybrid dove species in Uganda with genes from both parental species, showing functional reproduction. The hybrids' coos are effective in attracting females and defending territories, suggesting they may continue to survive and multiply.
The number of alien plant species in Europe has more than tripled over the last 25 years, with 5789 species classified as invasive. The UK, Germany, and Belgium report the highest numbers of naturalized aliens, which can lead to long-term changes in ecosystems and economic costs.
Researchers have discovered that the diversity of parasitic wasps is even higher than initially suspected, with 313 provisional species identified through a combination of ecological and genetic data. The new analysis sheds light on a group of insects that are already known for their staggering diversity, with estimates suggesting that...
Researchers found two distinct species of grouper in the Pacific and Atlantic Oceans, despite their identical physical appearance. The study reveals that the Pacific grouper is a separate species from the Atlantic goliath grouper.
The Leptotyphlops carlae is the world's smallest known snake species, with adults measuring just under four inches in length. This tiny threadsnake was discovered by Blair Hedges in a forest fragment on Barbados and is believed to be rare due to habitat destruction.
A recent study found that past climate changes and sea level fluctuations may have contributed to the formation of new species in the Amazon. The research, published in PLOS ONE, used leafcutter ants as a model organism to investigate how geography and climate affect species diversity.
The American Society for Horticultural Science reports that Borneo is home to 2500-3000 orchid species, but many are endangered due to habitat destruction and over-exploitation. A recent study has identified 197 species of orchids in West Borneo, highlighting the need for conservation efforts to protect these rare species.
Scientists propose a framework for deciding when and how to intervene in species relocation due to climate change. They suggest bolstering conservation efforts, maintaining species in captivity, or finding new habitats may be inadequate alternatives. The study emphasizes the need to minimize climate change through mitigation.
Researchers developed a model explaining why large species dominate certain taxonomic groups, and how this relates to metabolism and habitat. The simple yet accurate model also omits traditional ideas from evolution and ecology.
A 50-year analysis of Narragansett Bay fish-trawl surveys reveals a shift from vertebrate to invertebrate species and from benthic to pelagic species composition. The study attributes this change primarily to global warming, with smaller, warm-water species increasing while larger, cool-water species declining.