Articles tagged with Native Species
A University of California, Davis study has documented two new potential species of lamprey fish in California waters, revealing more diversity than previously thought. This discovery could impact management practices and protect the populations, as well as support ecosystems and the food web.
Researchers at Okayama University uncovered key reproductive characteristics of the red-swamp crayfish, highlighting the importance of hook length and chelae for identifying sexual status. The study also found high reproductive ability and fast growth rates compared to native Japanese crayfish.
Researchers have discovered nine new carnivorous land snail species in Papua New Guinea, a region with high biodiversity and threatened by deforestation. The newly named species possess unique characteristics, such as tightly coiled shells and dagger-shaped teeth, and are likely predators.
Research reveals that European insects outnumbers non-native species in North America, Australia, and New Zealand despite reduced international trade patterns. Introduced plants may have promoted the spread of European insects by providing food and habitat for subsequent arrivals.
A new snail species, Xenassiminea nana, native to Japan's temperate zones, has been officially named following a comprehensive examination of its anatomical characters. The study highlights the species' unique traits, including its small size and distinct shell shape.
A team of experts led by Deah Lieurance evaluated 460 species and ranked them according to their likelihood of invasion and potential ecological, economical, and human health impacts. The top 40 species pose the greatest threat to Florida's natural areas, with some, like the crab-eating macaque, already established in the state.
A research paper reveals a suburban backyard is home to 1,150 unique species of animals, plants, and fungi. The study's authors discovered unexpected diversity, including 436 moth and butterfly species, 56 spiders, and eight reptiles.
Researchers mapped the role of horticulture in spreading invasive species, projecting future hotspots and abundance under 2°C warming. The study found that plant nurseries are a primary pathway for invasive plant introduction, exacerbating climate-driven invasion.
Researchers used AI to analyze tree databases and found that temperature and precipitation are strong predictors of non-native species invasion. The study also reveals that global forest carbon potential is considerably below natural levels, with most potential located in existing forests.
A recent study found that public gardens and arboretums are inadvertently spreading nonnative, invasive plants to wild areas, threatening native ecosystems. Many examples were cited from Spring Grove Cemetery in Cincinnati, Ohio, including the spread of exotic trees and shrubs with seeds dispersed by wind or birds.
A new study found that urban waterfowl, including mallards and Canada geese, play a crucial role in spreading native and alien plants through seed dispersal. The birds disperse seeds for both aquatic and terrestrial plants, with mallards focusing on aquatic plants and geese on terrestrial ones.
A new study by University of Exeter researchers predicts which regions will be colonized by non-native birds, mammals, and plants. The study found that suitable habitats, dispersal ability, and history of introduction are key predictors of spread.
A new study analyzing lice genetic diversity found that head lice arrived in the Americas twice – once with early human migrants and again during European colonization. This discovery supports existing theories on human migration and provides insights into how lice have evolved alongside humans.
A meta-analysis found that prioritizing native species can increase invasion resistance by over 50% and reduce invasive alien species' performance. High-density seeding of functionally similar or multifunctional seed mixtures is effective in controlling invasive species, with priority effects strengthened by increasing time advantage.
Two bee species thought to be distinct are found to be the same, males and females of a single species, using DNA sequencing. The study uses barcoding to identify the species, which is crucial for understanding conservation needs.
Researchers analyzed over 150,000 bird nests across the U.S. and found that extreme heat diminishes reproductive success in agricultural landscapes, but forests provide shade to increase nesting success. Curtailing emissions and promoting thermal refuges are crucial for conserving birds.
A new study published in Conservation Physiology identifies the critical limits of plant function under stress, enabling more effective conservation strategies. By understanding these limits, conservationists can identify vulnerable species and allocate resources more wisely.
Researchers have assembled the entire genetic code of the brushtail possum, revealing population diversity, reproduction, and origins. The study's findings provide valuable knowledge for managing the animal's populations in both New Zealand and Australia.
Researchers found that native wren mothers' calls help their newborns develop distinctive vocalizations for food and bonding. The study, published in pre-print by The American Naturalist, reveals the unique 'B element' call produced by females that is also the nestling's begging call.
Pre-contact agave species cultivated by early cultures like the Hohokam people continue to persist in Arizona's landscape. These domesticated agaves are distinct from their wild counterparts and offer a rare opportunity to study plant species unchanged since prehistory.
A new study uses leaf and wood traits to estimate each species' preferred temperature and rainfall, enabling scientists to better identify suitable habitats and develop conservation strategies. The approach also helps prioritize threatened species in need of protection.
Researchers have extracted ancient DNA from Caribbean parrots, revealing two species were more widespread and diverse in the past. The study helps explain how parrots became the world's most endangered group of birds, with many island populations gone extinct.
A new species of spiny mouse, Neacomys marci, has been identified in northwestern Ecuador. The discovery sheds light on the previously underestimated diversity of the Spiny Mouse genus.
Four sub-Saharan countries aiming to restore degraded landscapes with trees face a major challenge: sourcing enough native seeds and planting material. Communities involved in seed management could play a crucial role in ensuring the success of restoration goals.
A new species of orb-weaving spider, Venomius tomhardyi, has been described from Tasmania. The genus belongs to the Araneidae family and is distinct from related genera due to its unique behavior and genitalia.
A global study reveals that proximity to human activity and native biodiversity are crucial factors in determining the likelihood and severity of non-native tree invasions. Native species help buffer the intensity of these invasions by filling available niches, making it harder for non-native trees to spread.
Researchers are creating digital 3D models of freshwater mussels using photogrammetry, allowing biologists and conservationists to identify species and teach field biologists how to distinguish characteristics. The online course will also educate the public about these essential creatures that filter algae and stabilize streambeds.
New research reveals that open farmlands result in up to a 60% decline in Andean bird species, with specific habitats affecting different species. Conservationists can protect birds by sparing forest fragments and maintaining shrubby habitats.
A study led by University College London researchers analyzed 393 wasp samples collected from citizen scientists and found a single population of the Common Wasp (Vespula vulgaris) across Britain. The findings demonstrate the wasp's ability to disperse itself widely, contributing to its success in human-modified environments.
A new study highlights the difficulties in identifying and categorizing domestic and wildcats, threatening native biodiversity conservation efforts. In contrast, New Zealanders tend to be more accepting of killing feral cats to protect native species.
A new study reveals significant gaps in knowledge of Asian bee species, highlighting the need for more resources to build basic scientific knowledge of bee biodiversity. This knowledge is crucial for managing and maintaining bee diversity, pollination, and food security in Asia.
Researchers have discovered a 'cheating' strategy used by an insect in New Zealand to avoid being eaten. The Zelandoperla fenestrata stonefly mimics the appearance of a cyanide-producing species to deter predators. However, this strategy may not be effective in regions where the toxic species is rare, and can backfire if the mimicry st...
A University of Maryland study found that tree species diversity increases spider populations, providing a natural pest regulation service. Spider populations in diverse plots increased by 23-50% compared to single-species plots during late summer months.
Scientists from Tohoku University propose a new hypothesis explaining the emergence of endemic species on the Miyako Islands. A land area between Okinawa and Miyako existed as a transit site for biological migration, suggesting that the island chain's unique species evolved after being uplifted 400,000 years ago.
A new framework has been defined to predict plant species invasiveness, considering factors such as native range distribution and characteristics. The study found that plants with large distribution ranges occupying diverse habitats and multiple dispersal vectors are most likely to become exotic.
A research team led by the University of Göttingen investigated the flora of Tenerife and found that island plant-life exhibits a remarkable diversity of forms. However, the plants differ little from mainland plants in functional terms, with slow-growing, woody shrubs dominating the island's flora.
A study published in Ecosphere shows a steady increase in non-native plant cover since 2014, with rapid regrowth of invasive species after the 2018 Woolsey Fire. The region's unique ecosystem is at high risk of losing native plants, increasing fire hazard and biodiversity loss.
A new study uses marine fossils to infer the health and stability of coastal ecosystems, revealing consistent patterns in population declines and species extinctions. The findings provide a reliable benchmark for conservation efforts and offer insights into the impacts of human activities on marine biodiversity.
The Xerces Blue butterfly's genome shows signs of population decline and inbreeding, revealing its extinction story. The research could help detect vulnerable insect species and pave the way for de-extinction using genetic engineering techniques.
Researchers at Flinders University use machine learning to identify species interactions and predict which species are most likely to go extinct. By analyzing species traits and interactions, the algorithm can help plan interventions before extinctions occur.
A new fish species, Garra panitvongi, has been discovered in Myanmar's Ataran River basin, shedding light on its unique biology and habitat. The species, previously unknown to science, was identified by researchers who encountered it during fieldwork in the region.
A new study reveals that human activity can shape global plant distribution, with slow-growing plants vulnerable to land use effects. Human land use is a significant driver of biodiversity loss and ecosystem change, particularly in areas with high biodiversity.
Researchers warn that exploding wild pig and macaque populations in Southeast Asia pose significant zoonotic disease risks to humans. The study, led by the University of Queensland, found that these animals can carry diseases that can be transmitted to people, highlighting the need for urgent management solutions.
Research from University of California San Diego scientists found that honey bee pollination results in inferior quality plant offspring compared to native bees. The study revealed that honey bees visit twice as many flowers per plant before moving to the next, leading to higher levels of self-pollination and lower-quality offspring.
Researchers at the University of Gothenburg have discovered twenty species of sea lettuce in the Baltic Sea region, including three invasive species. The survey highlights the importance of knowing which species grow in specific areas to maintain and protect valuable ecosystems.
A new biodiversity study shows that even seemingly healthy ecosystems with increasing species numbers may already be on the path to decline and loss of species. The study's findings suggest that species richness is not a reliable metric for monitoring ecosystems, as it can mask negative trends in species extinction.
Current measures to protect grasslands in the Qinghai-Tibetan Plateau are damaging the ecosystem and should be stopped. Small burrowing mammals, like the plateau pika and zokor, play crucial ecological roles in maintaining ecosystem health and biodiversity.
A new study has identified the preferred flower species of Midwest bumble bees, revealing that these social bees have more discerning dietary preferences than expected. The research found that common flower species like milkweed and thistles are favored by bumble bees, while others, such as alsike clover and black-eyed Susan, are ignored.
The native gromwell plant, a crucial element in traditional Japanese culture, is facing severe threats from disease and cross-breeding with non-native species. Researchers at Kyoto University are leading efforts to raise awareness of the plant's significance and promote conservation initiatives.
A new study from the University of Georgia found that Joro spiders, despite their intimidating appearance, are gentle giants, mean no harm to people or pets. They remain immobile for over an hour after a disturbance, unlike other spider species that resume normal activities within a minute and a half.
A non-native midge species is significantly increasing rates of plant decomposition, resulting in three to five-fold increases in soil nitrate levels on Signy Island. The midge, Eretmoptera murphyi, is altering soil ecosystems and potentially 'opening the door' for other species to become established.
A recent study published in Journal of Animal Ecology has identified disease avoidance strategies in various animal species, including humans. The research provides insights into how emotions like disgust help protect against diseases and has implications for human health and conservation efforts.
A review of scientific literature on reptiles between 1960 and 2021 found that 15% of articles focused on only ten species, with fewer than ten studies published on 90.5% of all species. The authors attribute this bias to factors such as habitat, size, danger of extinction, and proximity to research institutions.
New research suggests brown widow spiders actively seek and kill nearby black widows, displacing them in parts of the southern US. Brown widow females are also larger and more fertile than black widows, with a higher reproductive success rate.
Despite centuries of documentation, many native Australian plant species remain unphotographed. Citizen scientists can contribute to filling this gap using digital cameras, helping researchers identify species and support conservation. The study highlights the importance of photographic records in protecting threatened plant species.
A new study finds that releasing captive-bred native fish into the wild negatively impacts entire ecosystems, disrupting delicate balances and leading to reduced genetic diversity. The practice, which has been used for over a century, may be doing more harm than good.
Research from Binghamton University highlights the importance of ants in forest regeneration, with over 95% of New York state forests relying on them to disperse seeds. Ants take seeds with fatty rewards back to their nests, protecting them from consumption by rodents and other organisms, promoting a mutually beneficial arrangement.
Virginia Tech researchers Traci DuBose and Meryl Mims studied 90 species of frogs and toads using publicly available data from the Global Biodiversity Information Facility. They found that approximately 11% of anuran species are sensitive to climate change but not currently listed as at-risk.
Researchers from Japan highlight the decline of native squirrel species due to introduced non-native sciurine species. The study emphasizes the importance of early action in addressing ecological concerns and conserving rare endemic species, with successful eradication efforts reported in four locations.
A long-term study from Lund University in Sweden found that native trees are preferred by urban birds due to their availability of resources. Non-native trees lack an evolutionary history with the local ecosystem and have fewer insects, leading to a shortage of food for insectivorous birds.