Articles tagged with Animal Habitats
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.
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 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.
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.
Research reveals invasive scale insect Aulacaspis yasumatsui causes near-total mortality in Cycas micronesica, highlighting critical importance of empirical studies for conservation efforts.
A recent study by an international research group challenges the conventional wisdom that deforestation is solely caused by human activity. The research suggests that pre-human climatic changes may have led to the current open habitats of Daraina region in northern Madagascar, affecting the population of golden-crowned sifaka.
Researchers studying sloths on a shade-grown cacao farm in Costa Rica are gaining insights into their mating habits, behavior, and ecological parameters. The study reveals that sloths tend to disperse from home range and have multiple partners, and the cacao farm provides an ideal habitat for these animals.
The Iberian wolf's distribution in Galicia is primarily driven by landscape characteristics offering refuge from humans. Landscape attributes account for 48% of animal safety, while human presence and food availability contribute to a lesser extent.
Researchers found 20 times more brown widows than black widows outside homes, especially in hidden spaces. The authors suggest that homeowners take precautions when handling brown widow webs, but note that their bites are less toxic than black widow bites.
A new study published in Molecular Ecology found that most southern right whales born near New Zealand's sub-Antarctic islands were fathered by local males, indicating strong local fidelity to breeding habitat. This finding suggests that the New Zealand population is relatively isolated from other populations, which could have implicat...
Three SFU scientists, engaged in collaborative research on conservation and ecology, critique the federal government's proposal to reduce fish habitat protection. They argue that current policies suffice for protecting fish habitat, contrary to assertions from the federal fisheries minister.
A new study reveals that restoring floodplain forests helps migratory songbirds survive the winter, providing vital habitat for birds from Alaska and Canada. The research also found that restored forests are equally preferred to existing older forests by some species, including Lincoln's and White-crowned Sparrows.
Research on lemur extinctions over 2,000 years reveals that remaining species go into 'ecological retreat,' increasing extinction risk. Surviving lemurs rely on denser habitats due to vacant environmental niches, which may be a result of human disturbance.
Researchers at the University of Massachusetts Amherst used miniaturized satellite tags to track young Atlantic bluefin tuna, revealing their dispersal patterns and habitat use. The study provides the first fishery-independent data on bluefin tuna migration and behavior, shedding light on the ecology and management of wild stocks.
Researchers will assess climate change impacts on biodiversity, habitats, and ecosystem services in Tanzania, Kenya, and Ethiopia. They aim to identify sustainable options for communities coping with climate change.
A study from the University of Illinois demonstrates that adapting Modern Portfolio Theory for conservation purposes can help reduce outcome variation under climate change. By diversifying strategically across space, conservationists can achieve a 15% higher value of the conservation-objective-per-dollar-spent while reducing uncertainty.
Researchers found that long-lived species maintain higher levels of NRG-1 in their brains, with the naked mole rat having the highest levels. This discovery highlights the importance of protective mechanisms in determining species life span and has implications for aging research.
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.
Researchers found that the earthquake's aftermath saw the resurgence of species on sandy beaches, while coastal armoring led to beach loss and decline in intertidal diversity. The study highlights the potential effects of natural disasters on sandy beach ecosystems worldwide.
A team of female scientists from the University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science have developed a sophisticated numerical model to study fish larvae's navigation skills. The model uses reliable larval swimming speeds and vertical migration to create realistic scenarios that can be studied in detail.
For the first time, researchers have mapped the exact migration route of Golden-crowned Sparrows from California to their breeding grounds in coastal Alaska. The study, published in PLoS ONE, reveals that these small songbirds travel up to 2400 miles one-way and spend only 29 days on their northbound migration.
Researchers discovered that corals surviving past heat stress are more likely to adapt in the future. The study suggests coral reefs may be able to withstand rising temperatures in locations with naturally variable water temperatures, benefiting millions of people reliant on coral reefs for sustenance and livelihoods.
A new report provides crucial information on how to conserve European butterfly species listed on the EU Habitats Directive. The guidelines include detailed accounts of each species' habitat requirements and food-plants, as well as dos and don'ts in managing their habitats.
European butterflies are under threat, with 10% facing extinction, due to habitat loss and poor management. A new publication provides practical guidelines for managing habitats in a sustainable way, supporting biodiversity and human survival.
A new NOAA study helps New York state officials identify favorable wind energy development sites while protecting critical bird and fish habitats. The report provides a valuable tool for coastal managers to better understand the interactions between renewable energy development and natural resources.
A new species of pipewort has been discovered in the foot hills of the Western Ghats, a unique and fragile habitat. The discovery highlights the importance of conserving this area, which is under threat from population growth, infrastructure development, and uncontrolled tourism.
A recent study published in Global Ecology and Biogeography reveals that 35% of the world's green turtles inhabit Marine Protected Areas (MPAs), significantly higher than expected. The research also shows that older MPAs are more likely to contain turtles, highlighting the importance of conservation efforts.
The EU's Habitats Directive has created the world's largest network of protected areas, Natura 2000, which covers 18% of land and sea surfaces. The review outlines the development process of this complex conservation project over two decades.
The publication brings together the latest knowledge on eastern big-eared bats, a group of species at risk due to habitat loss and environmental contaminants. The research provides guidance on securing or improving habitat for these bats, including discussions of conservation and management strategies.
Research from the University of Bristol and Radboud University Nijmegen found that young French grunts are attracted to coral reef noises and muddy soft-sediment smells, but only visual cues of familiar fish guide them to their shoal mates. This hierarchical approach allows the fish to navigate safely in complex habitats.
The development of new technologies is crucial for transforming plant biology to meet human needs, according to Carnegie researchers David Ehrhardt and Wolf Frommer. Advanced imaging technologies and existing methods like DNA sequencing and mass spectroscopy will aid in understanding plant function and informing sustainable solutions.
A new study found that Sumatran tigers are nearing extinction due to human activities such as forestry and agriculture. The study highlights the importance of preserving large contiguous forest blocks for tiger conservation.
Research on elephants in South Africa reveals chronic stress leads to 'refuge behavior,' changing space use and preferences. Higher physiological stress levels result in 20-43% lower land usage, highlighting the need for wildlife management projects to consider these effects.
A team of researchers found a crucial connection between genetic variation and geographic distances in Florida Scrub-Jays. Maintaining or restoring networked scrub-oak habitats within 2-3 miles is essential for sustaining genetic diversity and promoting the species' long-term survival.
Researchers have discovered two distinct groups of Sulfolobus islandicus bacteria speciating in a hot spring habitat, despite shared genetic material and gene exchange. The study reveals that these groups are already separate species, with differences spanning only 0.35% across the entire chromosome.
A recent review of 200 scientific studies warns that climate change and habitat loss will drive tropical bird extinctions, with 87% of bird species spending time in the tropics. The study predicts 600-900 land bird species may go extinct by 2100, highlighting birds as 'canaries in the coal mine' for ecosystem changes.
A team led by Dr Steven Le Comber used computer simulations and historical data to compare geographic profiling with existing methods for monitoring invasive species. The technique outperformed others, particularly when multiple sources were involved, suggesting its potential for controlling the spread of invasive species.
A study found that only 10% of Chinook salmon spawning in the Mokelumne River are naturally produced wild salmon, while hatchery-raised fish dominate the population. The research highlights the need for more accurate monitoring and management of wild populations.
A satellite study has identified suitable habitat and corridors for the Cross River gorilla, a subspecies of gorilla numbering fewer than 300 individuals. The study found that the area known to be occupied by gorillas is more than 50% larger than previously documented.
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.
Researchers at Washington University in St. Louis are conducting a landmark study to restore degraded glade habitats and ecosystems using fire manipulation techniques. The goal is to establish best practices for restorative ecology and mitigate biodiversity loss from small habitats, particularly rare species found nowhere else.
Researchers developed topographic models using LiDAR data to predict habitat suitability for endangered plants in dry environments. The team plans to use satellite observations to create digital elevation models, guiding effective restoration efforts and identifying suitable areas for plant growth.
Wandering albatrosses have adapted to changing wind conditions, resulting in improved breeding success and increased body mass. However, future climate scenarios predict that these changes may not last, threatening the species' survival.
A unique chemical composition of a cockroach signal, emitting a sex pheromone, could help determine habitat suitability for an endangered woodpecker. The synthetic pheromone attracts large numbers of adult male cockroaches, suggesting that the area could be a suitable home for the red-cockaded woodpecker.
A new study shows that expanding 'ocean dead zones' driven by climate change is shrinking the useable habitat for blue marlin and other pelagic fish in the tropical northeast Atlantic Ocean. This compression of habitat due to low oxygen levels threatens the sustainability of these fisheries.
Expanding ocean dead zones driven by climate change reduce oxygen levels, forcing blue marlins and other billfish to surface waters where they are more vulnerable to fishing. This shift affects the long-term health of these species and their ecosystems.
A new study by Duke University researchers has found that tropical birds are moving to higher elevations in response to climate change, but at a slower rate than predicted. The animals appear to be tracking changes in vegetation rather than migrating rapidly, suggesting a delay in their response to warming temperatures.
A new study using Landsat satellite data shows that Kirtland's warblers prefer young forests and forests that have been on fire. The researchers found that the age of the forest correlates strongly with its height, and that old forests with grazed underbrush provide suitable habitat for the warblers.