Articles tagged with Animal Habitats
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers found reduced populations of small, bottom-dwelling fishes like darters and increased sedimentation rates due to dredging alter habitats, leading to regime shifts in fish species. This study highlights the complex effects of human activities on aquatic ecosystems in large rivers.
A North Carolina State University study found that households with dogs harbor a wider variety of bacteria, including those rarely found in dog-free homes. The research suggests that dogs influence the types of microbes present in homes, potentially explaining correlations between dog ownership and reduced allergies.
Researchers say that conserving major tributaries in the Mississippi River Basin may be a more effective approach to saving large-river fish. Studies found that rivers with flow rates above 166 cubic meters per second support 80% or more of large-river species, making them crucial habitats for these fish.
Two new water mite species have been discovered in South Korea and the Russian Far East, expanding the known diversity of this group. The discovery, published in ZooKeys, brings the total number of described species to over 400 worldwide.
Researchers found that limiting greenhouse warming to three watts per square metre can slow coral reef habitat loss. However, artificial temperature regulation through solar radiation geoengineering may have unintended consequences on tropical corals.
Coral reefs face declining health due to climate change, pollution, and overfishing. However, researchers suggest that proactive measures can prevent their collapse, emphasizing the importance of reef function and local management.
A decline in snow cover poses a significant threat to many plant and animal species, compromising their survival during harsh winter weather. The subnivium, a seasonal microenvironment beneath the snow, is experiencing drastic changes due to rising temperatures.
Policies in California's Salinas Valley are prioritizing food safety over wildlife habitat, resulting in the destruction of wetlands and riverside areas. The measures, driven by powerful buyers, create unnecessary costs for farmers and harm wildlife, despite low risk from animals.
A new study reveals that the Mediterranean anuran frog Rana iberica inhabits cave-like habitats, with all life stages observed. The frog's use of artificial subterranean habitats has important implications for its conservation, particularly in light of climate change.
A USGS study found that green sea turtles are using protected areas in Dry Tortugas National Park and the surrounding Florida Keys Marine National Sanctuary. The turtles primarily used shallow seagrass beds and degraded coral reefs for feeding.
Researchers have uncovered a large radiation of previously overlooked Neotropical ants, with 40 species described, including those that nest in clay banks. These ants use 'door-pebbles' to block their entrances and maintain a protected environment for breeding and foraging.
Conservation efforts by the Chilean government and researchers from Cambridge have allowed Huemul deer to return to natural habitats in Bernardo O'Higgins National Park. The population has stabilized and begun to increase after controlling cattle farming and poaching, providing a model for future biodiversity conservation.
Researchers at MIT found that measuring recovery length, a spatial counterpart to recovery time, can help predict population collapse risk. By analyzing variations in population density in neighboring regions, scientists can identify areas at risk of collapse, allowing for timely intervention.
A recent study found that Adélie penguin populations on Antarctica's Beaufort Island have increased by 84% as ice fields retreated between 1958-2010. The population density within the colony also increased, leading to altered dynamics of the population studied.
A University of Florida study of nearly 5,000 Haiti bird fossils shows that human arrival did not cause simultaneous bird extinction, contradicting a commonly held theory. The research provides range and dispersal patterns from A.D. 600 to 1600, which may be used to create conservation plans for tropical mountainous regions.
A new study reveals that male lions use dense savanna vegetation to hunt prey successfully, often ambushing them from behind vegetation. The findings suggest that changes to vegetation structure could impact the balance of predators and prey.
Researchers found that bottlenose dolphin leaders are more likely to lead relatives, suggesting individual choices play a role in leader selection. This study provides insights into complex social dynamics of bottlenose dolphins.
A new cryptic spider species, Copa kei, has been described in southeastern South Africa, highlighting the region's biodiversity and ecological flexibility. The species exhibits extreme habitat adaptability, contrasting with its close relative C. flavoplumosa, which occupies a wider range of habitats.
Research at Umea University found that extreme winter conditions impact fish negatively, particularly in streams and rivers with radical flow changes and anchor ice formation. The study highlights the need for more measurements and consideration of winter conditions in models to manage streams and rivers sustainably.
A new study reveals that nearly 1 in 5 reptiles are struggling to survive, with many species highly specialized and sensitive to environmental changes. The findings highlight the urgent need for conservation action to address habitat loss, hunting, and other threats, particularly in tropical regions.
A University of Alberta study reveals that busy beavers contribute to an earlier start for Canada geese's spring nesting by warming ponds and thawing winter snowpack. This helps the birds secure reproductive success.
A study by the University of Oregon found that large landslides in the past created broad, flat valleys with multiple auxiliary channels, providing a calm and safe haven for coho salmon during heavy rainstorms. This discovery provides fundamental insights into the geological and ecological controls on salmon habitat.
A new study reveals that the decline in duck hunting, with annual sales of 'duck stamps' falling by 36%, is resulting in a significant financial loss for conservation efforts. The loss of revenue could have resulted in up to $126 million being invested in habitat conservation, with potentially 42,495 ha of wetlands being made available.
A study at the University of Liverpool found that disease risk in ladybirds cannot be predicted without understanding disease dynamics at a small geographical scale. The researchers discovered that differences in mating rates across habitats, driven by food supply, contributed to varying disease outbreak sites.
Researchers have discovered a link between West Nile virus in mosquitoes and birds, as well as the insects' ability to spread the virus to horses and people. Habitats with high disease prevalence in horses and birds also have more mosquitoes and certain bird species, which contribute to the transmission of the virus.
Researchers have discovered that Caribbean coral reefs are facing a significant threat due to reduced rates of carbonate production, leading to erosion and loss of growth potential. The study found that reefs in shallow waters have declined by 60-70% in growth rates compared to historical records.
Researchers find only 1.5 million named species out of an estimated 5 million, making conservation efforts more hopeful than previously thought. Increased global involvement in taxonomy and exploration can help discover and protect species from extinction.
A four-year study found that young grizzly bears learn their habitat selection strategies from their mothers, which may be a more adaptive strategy than instinct. The research tracked 32 adult and young bears in western Canada and showed genetically related female bears shared similar habitat choices.
In endangered Mexican howler monkeys, habitat disturbance leads to increased 'travel time' foraging and high levels of stress hormones. Researchers found that fruit is a crucial component of their natural diet, and lack of fruit availability forces them to spend more time seeking out nutritious foliage.
A study found that invasive plant invasions can create 'extinction debts' in native plant species, leading to slow extinctions but delayed actual extinction events. Native plants are often relegated to marginal habitats unsuitable to their non-native competitors.
Researchers found that invasive plants will likely extinguish native plants in the wild over time, contrary to recent reports. The 'extinction debt' occurs hundreds of years after initial invasion, where native species slowly go extinct but not immediately.
Researchers found that excessive habitat heterogeneity may lead to a decrease in species diversity, contradicting current conservation practices. The study provides important insights for selecting and managing conservation areas.
A study found that peacock courtship calls attract distant females, suggesting a potential advantage for males in securing mates. The calls may serve as a form of advertising, warning predators of the male's vulnerability and increasing his attractiveness to females.
Researchers have discovered 33 new species of trapdoor spiders in the American Southwest, adding to the genus Aptostichus, which now contains 40 species. The newly described species inhabit various habitats across California, from coastal sand dunes to alpine environments.
The Natura 2000 network's effectiveness in covering European species is evaluated, with mixed results. The analysis shows that the network mostly covers target species but has gaps in representation, especially for narrow-ranged species.
A University of Delaware research team has developed a novel camera system to map the surface topography of Arctic sea ice, enabling accurate habitat classification for threatened walruses. The system uses areas of higher competence to interpolate lower-confidence areas, resulting in dense 3-D reconstructions with precision accuracy wi...
A new study reveals lions have lost 75% of their original natural habitat in Africa, leading to devastating declines in lion populations across the continent. The research identifies only 67 isolated regions with significant lion populations, highlighting the urgent need for conservation efforts.
A total of 42 reptile species were found in Lenáois Maranhenses National Park, with approximately 80% living in restinga habitats. The park's ecosystems are threatened by human activities such as off-road vehicle use and path creation, which could harm the environment and potentially endangered species like sea turtles.
A study published in Functional Ecology found that grasshoppers living beside noisy roads produce different songs with elevated frequency components. This adaptation helps them make themselves heard above road traffic, potentially disrupting the grasshopper's mating system.
Scientists from Michigan State University predict climate change will kill off swaths of bamboo, making prime panda habitat inhospitable by 21st century. The study suggests proactive planning to protect areas with suitable food sources and creating natural bridges for pandas to escape bamboo famine.
Prominent wildlife biologists advocate for a national network to coordinate state, federal, and private initiatives. The proposed network aims to identify at-risk species, coordinate conservation efforts, and share information to address threats like climate change and novel diseases.
A new study of marine fossils reveals that ocean animals with small geographic ranges are more likely to go extinct, even when populations are large. The research found that habitat breadth played a secondary role in extinction risk, and population size had little effect.
Researchers emphasize that connectivity is complex and requires understanding animal behavior, genetics, adaptation, and habitat. Managing wildlife sanctuaries involves trade-offs and adapting to climate change, which can cause unpredictable species movements.
A University of York-led study reveals that strategically placed habitat 'stepping stones' can accelerate species range expansion, even in fragmented landscapes. The research offers a new approach to conservation planning, prioritizing areas where gaps between habitats are most difficult to cross.
A new study found that mountain lions are dispersing from Nevada to California, rather than the expected influx of animals from California into Nevada. The research used DNA analysis to track the movement of 739 mountain lions over seven years, revealing distinct genetic populations and habitat preferences.
A PhD student at the University of Bristol spent two weeks in a simulated Martian habitat, where he and his crew members experienced life on the red planet. They conducted experiments, studied space suits, and even had a 'close encounter' with a desert mouse.
Researchers have found coral 'hotspots' in deepwater canyons off the northeastern US coast, with a new model helping predict their locations. The discovery is expected to aid fishery management and increase knowledge about deep-sea life in the region.
A new study finds that climate change could lead to significant changes in Pacific ecosystem distribution, affecting thousands of marine animals and coastal communities. Some species, like loggerhead turtles and sharks, may face harsh impacts, while others, such as seabirds and tunas, may benefit from shifting habitats.
A new report by the Zoological Society of London identifies 100 of the most threatened animals, plants, and fungi on the planet, highlighting their unique value to nature. The report emphasizes that all species have a right to exist and should be protected, regardless of their perceived utility for humans.
The Endangered Species Act focuses on boosting species' numbers, but many will require continued management actions. Individual conservation agreements can help such 'conservation-reliant species',
A new study estimates that destruction of coastal habitats releases 0.15 to 1.2 billion tons of carbon emissions annually, with a high value associated with keeping these ecosystems intact.
Researchers developed a method to analyze ear-bone 'tree rings' to track juvenile fish movements, revealing surprising plasticity and long-distance migrations between habitats. This study has important implications for management and protection of coral reefs.
Scientists developed a tool to identify bays with suitable habitats for resting spinner dolphins, allowing conservation efforts to focus on specific areas. The maps aim to minimize human disturbances and protect the dolphins' ability to rest, forage, and communicate effectively.
Locally managed marine protected areas in Fiji will effectively protect between 12-18 percent of all coastal and inshore marine habitats by 2020. This 'people power' approach is on track to meet the national government's goal to protect at least 30 percent of Fiji's inshore habitats.
A study analyzing 371 invasion studies found that six dominant invasion hypotheses have declining predictive power. The authors suggest filling gaps in empirical tests, specifying hypotheses for groups of organisms and habitats, considering invader-ecosystem interactions, and rejecting unsupported hypotheses. This decline in predictive...
A study by Harvard University researchers found that Massachusetts butterfly populations are moving north as the climate warms, with subtropical species such as the giant swallowtail and zabulon skipper increasing in abundance. In contrast, more than three quarters of northerly species are declining, particularly those that overwinter ...
A University of Michigan study found that tiny, freeloading clams form strong commensal relationships with larger hosts in soft-bottom habitats, allowing them to access previously unavailable habitats and thrive. This adaptation is associated with the evolution of megadiverse marine biodiversity.
A University of Utah study found that agroforests with shade-grown coffee and cacao promote greater bird diversity compared to open farmland. The findings suggest that as forests are converted to open agriculture, bird species providing ecosystem services like insect control, seed dispersal, and pollination may decline.
Scientists explore the interconnectedness of ecological relationships and evolutionary history to better understand species distribution, adaptation, and coexistence. The research reveals complex feedbacks between ecological and evolutionary processes, shedding new light on the patterns and processes of biodiversity.
Researchers found that birds experiencing dramatic seasonal swings in temperature and precipitation sing more variable songs. This adaptability helps them communicate effectively across different habitats. The study analyzed over 400 male birds from 44 species, including orioles, warblers, and finches.