Articles tagged with Native Species
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Native European shrimps have been shown to outcompete and devour invading American shrimp populations, preventing their establishment. This phenomenon of biotic resistance highlights the resilience of native species in defending against invasive species.
New research reveals that sea lampreys utilize bile salts as pheromones to entice mates, akin to humans' evolution of perfume. This scent has evolved to serve as the invasive species' primary sex signal, distinguishing it from native fauna.
The round goby's rapid colonization of the upper Danube has led to a decline in native fish species such as barbel and European chub. The species' adaptability and dominance of food webs have resulted in a 'novel ecosystem,' with previously unknown combinations of species.
Scientists have discovered a new species of armored catfish, Pareiorhina hyptiorhachis, in the Rio Paraíba do Sul basin, Brazil. The newly described species is one of the smallest representatives of the catfish order, measuring only about 3-3.5 cm in length.
A new invasive fly species, Chrysomya megacephala, has been discovered in Indiana, threatening forensic investigations and local ecosystems. The species, native to Asia and Africa, is breeding in the state's warmer climate, raising concerns about its impact on native fly species.
A study by scientists from the University of California, Davis predicts that 82 percent of California native fish will become extinct within the next century due to climate change. The research found that native freshwater species are particularly vulnerable to extinction, while non-native species are expected to thrive.
The Asian lady beetle uses microsporidia to outcompete native species, producing a strong immune system with antibacterial peptides and harmonine. This allows it to successfully invade new habitats and ecosystems, displacing native beetles and other insect species.
A new study found that invasive plant species decrease biodiversity at small scales due to reduced light and nutrient availability, but have minimal impact at larger scales. This scale-dependent effect can lead to conflicting results in scientific research, highlighting the importance of considering local battles against invasive species.
Researchers found that invasive plants reduce biodiversity in smaller areas, but the effect diminishes when studying larger ecosystems. The study provides new insights into the complex relationship between invasive species and local biodiversity.
A University of Cincinnati pilot study found that nodding wild onion and goldmoss sedum can survive and thrive on green roofs in the Southwest Ohio region. The research tested four Ohio native plants and one sedum under two conditions, with all plants receiving regular watering surviving.
A new study by Ohio State University graduate student Kellen Calinger reveals that non-native plant species are more adaptable to climate change, while native wildflowers show a weaker response. This difference in adaptability could lead to the displacement of native species and alter ecosystem balances.
The IUCN World Conservation Congress has adopted a motion to create a Green List for Species, which will include species identified as 'fully conserved', thriving in ecologically significant numbers. The list aims to emphasize that conservation is about more than just preventing extinction and highlight successful species conservation.
Researchers have discovered a small crustacean, Ankylocythere sinuosa, living on invasive red swamp crayfish in Europe. The finding suggests that the crustacean may have arrived with the crayfish 30 years ago and could potentially impact native species.
The New Zealand mudsnail's ability to reproduce parthenogenically and tolerate air exposure allows it to spread across continents. Simple control measures, such as exposing fishing tools and boats to air for extended periods or using physical barriers, can help prevent its invasion.
A recent study found that native plant restoration alone is not enough to prevent non-native species invasion in Hawaii's tropical dry forests. Instead, long-term sustainability measures are needed to manage non-native species and ensure ecosystem resilience.
A continent-wide assessment of Antarctica's biogeography proposes dividing the landmass into 15 distinct conservation regions to safeguard native species. The 15 identified areas will serve as a basis for biosecurity measures to prevent invasive species transfer.
A new invasive species of sea crab, Dyspanopeus sayi, has established itself in the Western Mediterranean Coast, particularly in the Ebro Delta. The crabs are well-established and reproducing in the area without problems, with both sexes captured along with ovigerous females carrying eggs.
Researchers found that introduced white-eye birds outcompeted native Hawaiian species for food and resources, leading to stunted growth and feather replacement issues. This threatens the long-term survival of these endangered bird species, which are considered 'conservation reliant' in Hawaii.
Researchers found that non-native plant species use different strategies, such as blooming later in the year and occupying specific habitats, to increase their frequency of occurrence. This differentiation is important for understanding modern ecosystems and recognizing potential dangers from introduced species.
A decade-long study found that plants may thrive in the early stages of global warming but then deteriorate quickly as ecosystems adjust. The research showed that long-term warming leads to loss of native species and increased cycling of nitrogen, ultimately reducing plant productivity.
The study found that four of the six most commonly collected beetles were introduced species, suggesting they displaced native species due to available niches or competition. Dynamic and unique dung beetle diversity was observed on each farm, influenced by herd management practices.
A recent study reveals that human population is a primary factor in exotic plant invasions in the United States, with many non-native species spreading considerable distances and crowding out native plant populations.
A new study shows that the arrival of the Harlequin ladybird has led to a rapid decline in historically-widespread species of ladybird in Britain, Belgium, and Switzerland. The research found that five out of eight studied species declined substantially since the Harlequin's arrival.
A recent study published in PLoS One suggests that preserving habitat near national parks is crucial for the conservation of large mammals in the Cerrado region. By leaving a significant portion of land adjacent to the park as natural habitat, animals can roam and find suitable habitats outside the protected area.
Invasive species like ship rats and non-native birds can become essential to ecosystems when native pollinators disappear. Researchers found that these 'alien' species perform similar functions as extinct native pollinators in New Zealand's North Island.
The São Paulo state government has implemented a bill setting clear requirements for ecological restoration projects, aiming to increase their success rates. However, critics argue that such detailed regulations may not be sufficient to achieve effective ecosystem restoration due to the complexity of the issue.
Recent botanical exploration efforts in the Marquesas Islands have yielded 62 new species, including 18 newly described ferns and flowering plants. The discoveries bring the total native species to 360 and provide critical information for conservation.
A native species, the plucky winter ant, has been discovered using chemical warfare to combat the Argentine ant invasion. In laboratory testing, the poison had a 79 percent kill rate, making it a potential game-changer in ecosystem defense.
Research on Rana boylii reveals tadpoles are weak swimmers and don't survive high-flow events, while habitat modeling tools provide reliable predictions. The study's findings guide conservation planning for the species, emphasizing the importance of mimicking natural flow patterns to conserve riverine species.
A meta-analysis found that invasive plant species cause large losses in biodiversity at small scales but have a negligible impact at broader scales. This contradicts the common view of invasive plants as major threats to native biodiversity. The study suggests that the effect of invasive plants on native species extinctions decreases w...
A University of Georgia researcher developed new models to explain how invasive Asian ladybugs have quickly spread throughout the country and into Canada. The models predict that invasive species feeding on both lower-level food sources and competing species will spread faster.
Biological invasions are becoming more frequent worldwide, causing multiple extinctions of native species and economic damage. Hazard-reduction plans could minimize these impacts at a low cost, similar to those for natural disasters.
Researchers at Queen's University Belfast warn that the Irish hare faces a serious threat from the invading European 'brown' hare. The study suggests that disease, parasite transmission, and climate change may give the invasive species an edge over native species.
A study in Indianapolis found that increasing urbanization has led to the loss of native plant species and the introduction of non-native invasive species. Over 70 years, Indianapolis's native plants have declined at a rate of 2.4 species per year, while non-natives arrive at a rate of 1.4 species per year.
Research reveals invasive plant species do not become more abundant in new habitats than their native ranges, challenging long-held assumptions. Only a small percentage of introduced plants cause problems and spread widely.
A team of scientists found that invasive fruiting plants, such as honeysuckle, can form mutually beneficial relationships with native birds and other species. In the Happy Valley region of Pennsylvania, honeysuckle increased the abundance of fruit-eating birds and facilitated seed dispersal for nearby native plants.
A global collaboration found that invasive plant species have similar or lower abundance at introduced versus native sites, challenging the 'abundance assumption'. This study used standardized protocols across over 60 sites worldwide to collect population and community data, providing a new approach to address critical ecological issues.
A global collaboration found that invasive plant species often have similar or lower abundance at introduced and native sites, challenging a common assumption. This suggests that biosecurity screening procedures need to be revised to address how species behave in non-native communities.
A scientific risk assessment examined Poplar's introduction for biofuel production, revealing hybridization patterns with native populations. The study found complex interbreeding and genetic shift in native species, highlighting the need for monitoring and regulatory guidelines.
Native submerged aquatic vegetation (SAV) cover increased tenfold and diversity of plant species rose as nutrients declined and water clarity improved. Improved restoration efforts have boosted SAV abundance, benefiting ecosystem health.
The Asian shore crab has found a hospitable niche in its new environment, coexisting with native species in the cobbled beach ecosystem. The cordgrass-ribbed mussel environment provides a stable habitat for the crabs, allowing them to thrive without crowding out native species.
The U.S. Department of Agriculture has introduced two new compact oakleaf hydrangea cultivars, Ruby Slippers and Munchkin, suitable for small residential landscapes. These plants are the first compact forms of Hydrangea quercifolia to be released by USDA scientists.
Researchers discovered that odorous house ant colonies grow exponentially in urban environments, forming complex networks with millions of workers. This phenomenon raises questions about the impact on native species and potentially informs better pest control strategies.
Researchers analyzed mink carcasses to determine diet and movement patterns, revealing a reliance on seafood and coastal habitats. The findings will aid in the eradication of this invasive species from native ecosystems.
The USGS report highlights five giant non-native snake species that pose high ecological risks to the US, including Burmese pythons, anacondas, and boas. These snakes have been documented reproducing in the wild in South Florida and can attack and kill people, posing a small risk.
Introduced Japanese white-eyes are depleting food sources, causing stunted growth and higher death rates among native Hawaiian birds. This is leading to increased susceptibility to diseases like malaria and chewing lice, further threatening the already endangered species.
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.
Invasive plant species are thriving in altered Great Plains ecosystems, outcompeting native plants. Researchers will use biocontrols and other methods to control key invaders like Dalmation toadflax, cheatgrass, and Canada thistle.
A team of scientists found that climate change allows certain plants to defend themselves against local enemies more effectively than native plants. This shift in the balance of ecosystems could lead to an increase in invasive plant species and a loss of biodiversity.
A study by UC Santa Barbara researchers found that human colonization of islands has led to a significant increase in biodiversity, with native species making way for new, exotic plants and animals. The research suggests that ecosystems may be oversaturated, leading to potential extinctions.
The study found that physical changes caused by damming have a disproportionate adverse effect on native fish, which are more vulnerable due to their life history differences. The researchers suggest recreating the high-flow, sediment-rich waters of the Colorado River to reverse the decline in native species.
Research reveals invasive garden ants have already established widely in Europe, with potential for further infestations. The ants' dispersal strategy and originators were found to be limited, suggesting many more infestations may remain undiscovered.
A new study reveals that human economic activity is a primary driver of invasive fish species in rivers and lakes. The research found no correlation between native species and invasive species, highlighting the need for conservation efforts to protect aquatic ecosystems.
A new biodiversity survey reveals that primary rainforests are home to over half of all terrestrial species, with many species found nowhere else. The study emphasizes the need for conservation and sustainable land-use practices, highlighting the importance of protecting large areas of intact forest habitat.
Systematic conservation planning can help protect endangered species and habitats in a changing world, say experts. The Great Barrier Reef is a case in point, as climate change advances, corals will migrate towards more suitable environments, requiring protected areas to shift.
The invasive grass Microstegium vimineum can impede the regeneration of woody species in southern US forests by blocking sunlight and seeds. Researchers found that M. vimineum biomass increased significantly after forest canopy disturbances, leading to a decline in native species richness.
Research suggests that a video of an extinct woodpecker in Arkansas may be a case of mistaken identity, as it closely resembles another native species. The analysis compares the footage with fresh recordings of the Pileated Woodpecker, revealing similarities in wing movement and plumage
A study of 10 Northeastern urban forests found no common urban park plant complex, but shows that population levels impact native and nonnative species diversity. The research suggests that urban park managers should consider the ratio of native to nonnative species when implementing vegetation restoration projects.
Researchers at the University of California, Irvine, have found a natural way to control the spread of destructive Argentine ants by manipulating their chemical cues. The team created a synthetic version of a recognition compound that causes untreated nest mates to attack, disrupting cooperative behavior within colonies.
A new study reveals that landscape corridors can promote plant diversity by connecting isolated patches of habitat. The research found that patches with corridors retained high numbers of species, while those without lost species. Corridors provide the largest benefit to native species.