Articles tagged with Animal Habitats
A new analysis maps the best remaining habitats for thousands of rare species in Madagascar, a biodiversity hotspot with over 2,300 endemic species. The study prioritizes regions most vital for saving the greatest number of species, including lemurs and other unique species.
A new study by CSIRO scientists warns that climate change will force environmental scientists to rethink their approach to conservation. Temperatures over Australia are projected to rise by about 1 ºC by 2030, and 1.8 ºC by 2070, relative to 1990 levels.
A new essay proposes revising protected area categories to reflect biodiversity outcomes, with potential huge implications for preserving the earth's rapidly diminishing biodiversity. The change aims to make significant gains in biodiversity conservation and stanch species loss, habitat destruction, and ecosystem services degradation.
A new study reveals that tropical winter habitat plays a crucial role in determining where young migratory birds settle and nest. Birds that spend their first winter in lush habitats disperse southward, while those in harsher habitats disperse northward.
Researchers discovered that young birds' first winter environment plays a crucial role in determining their lifetime breeding grounds. The study suggests that access to water in the winter habitat is a critical factor in shaping their future migrations.
A new digital mapping approach is being used to visualize and analyze vulnerable marine habitats, helping authorities make management decisions that balance competing interests. The method, developed by Dr. Suzana Dragicevic, uses mathematical optimization to find common ground between commercial fisheries and conservation communities.
Studies show that stylasterids, or lace corals, diversified in deep waters before launching successful invasions of shallow water habitats. This contradicts the long-established theory that corals and other marine animals evolved in shallow water.
A new Nature Conservancy study finds that converting land for biofuel crops results in significant carbon emissions and worsening the problem of global warming. The study analyzed various benefits of using biofuels as alternatives to oil but found they fall short of the carbon losses, leading to a 'carbon debt'.
A study found that elephants' browsing activities create hiding places and twisted crevices in trees, which boost lizard densities. The research suggests that elephants play a crucial role in shaping the ecosystem, particularly in African wildlife refuges.
The Global Environment Facility is providing an additional $20 million to protect unique and threatened areas like island ecosystems and temperate forests. This funding will support conservation efforts in biodiversity hotspots, home to half of all terrestrial plants and animals.
Researchers have identified potential habitats in the central and northern Sierra Nevada Mountains for reintroducing California fishers, a rare and elusive carnivore. The study suggests caution in implementing reintroduction efforts due to limited connectivity and distance from existing populations.
A team of scientists has discovered that older adults in the Seychelles warbler population help raise their children's grandchildren, providing an alternative route for co-operative breeding. This behavior is thought to be an effective strategy for birds prevented from breeding due to habitat loss.
A new study suggests that Thailand's Western Forest Complex can potentially support around 2,000 tigers, with an estimated 720 tigers currently inhabiting the area. Improved enforcement and safeguarding measures are crucial for making these numbers a reality and ensuring the long-term survival of this iconic species.
The National Fish and Wildlife Foundation has awarded a major grant to the Manomet Center for Conservation Sciences to support shorebird conservation programs. The Western Hemisphere Shorebird Reserve Network will conduct conservation activities at 68 sites in nine nations, with a focus on addressing declines in shorebird populations.
A MSU Ph.D. candidate is tracking up to four wild pandas in the Sichuan Province of China using advanced global positioning systems to map their habitat preferences, providing crucial data for conservation efforts.
Climate change is projected to cause significant bird extinctions, with up to 30% of land bird species predicted to go extinct by 2100. Habitat shifts and topography play a crucial role in this process, as species are forced to adapt to changing environmental conditions.
The discovery of well-preserved fossils in a blue hole off the coast of the Bahamas provides insights into early life on isolated islands. Fossilized bones of land-lubbing crocodiles and tortoises, as well as plant fossils, have been found, shedding light on the impact of human arrival on island ecosystems.
A new analysis shows that as plant species go extinct, natural habitats become less productive and contain fewer total plants. This situation could ultimately compromise the benefits that humans get from nature. The study found that ecosystems with fewer species produce up to 50 percent less plant biomass than those with more natural d...
The Wildlife Conservation Society's study found that 21 reserves have the potential to support between 58% and 95% of South Asia's tiger capacity, estimated at 3,500-6,500 tigers. Improvements in protected area management, including better funding and enforcement activities, could lead to a doubling of tiger numbers.
A study published by the University of Washington found that urban bird species can endure a wider range of environmental conditions than their rural counterparts. The researchers discovered that these birds have adapted to survive in cities, which are often harsher habitats than their natural environments.
A recent study using metagenomics reveals a surprising high number of quorum sensing genes in the deep Mediterranean, indicating microbes associate with detritus particles. These bacteria have been found to be luminescent, possibly to attract prey in the food-scarce environment.
Researchers found that over one-third of African starlings engage in cooperative breeding, a behavior typically seen in birds and other animals, due to the unpredictability of their savanna habitats. In contrast, non-cooperative species live in forests with more stable environments.
The new dredge, which uses jets of water to lift scallops off the seafloor without physically contacting it, caught 50-60% of a normal catch rate in field tests. This technology has the potential to reduce damage to marine habitat and catch essential fish species.
The National Bumblebee Nest Survey found that gardens contain the highest densities of bumblebee nests, with 36 nests per hectare. This suggests that gardens provide an important habitat for bumblebees, particularly in comparison to other countryside habitats.
Researchers found rove beetles declined significantly after clear-cutting, while diversity increased. The study suggests that mature forest species are threatened by habitat loss, highlighting the need for conservation efforts to preserve old forests.
The wild tiger population has declined dramatically due to habitat loss and poaching, with only 7% of their historical range remaining. Experts warn that China's potential reopening of the tiger trade poses a new threat to the species' survival.
The Wildlife Conservation Society's 'Warm Waters for Cool Bears' project uses satellite imagery and meteorological data to predict where sea ice will persist, enabling conservation efforts. The study aims to inform management activities such as designating protected areas for polar bears and their prey species.
A study by Cardiff University found that DNA similarity between African bushbuck populations can reveal similarities and differences in ecoregions. The research identifies 28 key regions for the species, providing a framework for pan-African conservation efforts.
Researchers at Woods Hole Research Center are using laser remote sensing (lidar) to study biological diversity and predict bird species richness. Lidar data provides unique measurements of vegetation structure, which is linked to habitat complexity and animal species richness.
A study at Harvard University found that sexual dimorphism in Caribbean lizards increases their ecological niche, allowing species to thrive by avoiding resource competition. The research suggests sex differences may have fueled the evolution of diverse fauna, highlighting the importance of considering both sexes.
A Cardiff University study found that climate change is causing a decline in springtime macroinvertebrate abundance by up to 21% for every 1 degree Celsius rise in temperature. The study predicts that species numbers could fall by 12-25% over the next 50 years.
Data from decades of bird surveys show a decline in total birds in the region, but some species' populations increase due to habitat changes, while others decrease despite migration or expansion into new habitats.
Research by Dr. Anders Garm found that box jellyfish rely on intensity contrast, not color contrast, for obstacle avoidance. The lower lens eye plays a crucial role in detecting and responding to obstacles.
A new species of snapper, Lutjanus alexandrei, has been discovered in the Abrolhos region of Brazil's South Atlantic Ocean. The species was previously mistaken for a dog snapper and was found to have distinct markings and color.
Researchers led by paleobiologist Jere H. Lipps argue that Europa's icy surface may harbor life due to the presence of water ice, briny oceans, and tidal friction generating heat. This could lead to a variety of habitats supporting life forms, from microorganisms to macroscopic organisms.
Researchers at Yale University developed a method to trap viruses in cells that prevent their reproduction, potentially alleviating disease. By using 'trap cells' with viral binding sites, the virus population declines towards extinction when the number of trap cells exceeds a threshold.
A new comparative metagenomics method reveals that microbes evolve faster in some environments than others, with many lineages remaining loyal to their habitats over time. The study provides insights into the evolution of microorganisms in different ecosystems, shedding light on the invisible life on Earth.
A new forest reserve in Colombia has been created to protect the chestnut-capped piha, an Endangered bird species restricted to a few tiny remnant forest patches. The reserve also safeguards habitats for seven Vulnerable and four Endangered frog species, including one believed to be found only at this site.
A University of Alberta study shows that beaver dams create suitable breeding habitats for frogs and toads, with approximately 5,000 species recorded at 54 beaver ponds. The beavers' presence enhances the development and growth rates of frog and toad larvae.
The National Fish and Wildlife Foundation granted $378,780 to WHSRN for shorebird conservation programs. The program will focus on strengthening partnerships, protecting habitats, and applying tools for habitat conservation. WHSRN aims to conserve four high-concern shorebird species and their habitats across the Americas.
Researchers used satellite imagery and radar sensors to study Pacific walrus habitats in the Bering and Chukchi seas. They found that walruses prefer medium-thickness first-year ice, which is critical for their survival and way of life.
A new study by Stanford University researchers challenges the 'biodiversity hotspot' approach to conservation, finding that only 16% of mammalian species overlap across three types of hotspots. The authors argue that protecting fewer sites could lead to neglecting endangered and endemic species.
Current UK agri-environment schemes have worked well for rare and localised species but struggled to reverse declines of more widespread bird species. A new study suggests that tailored habitat management to regional differences could be key to success.
Researchers found that intermittent streams provide crucial habitats for coho salmon smolts, while the US Supreme Court's decisions may impact these ecosystems. Additionally, natural sacred sites like sacred groves can hold valuable insights into biodiversity management and conservation.
Seagrasses are critical for coastal ecosystems, providing habitat for aquatic life and mitigating pollution impact. A global conservation effort is needed to protect these habitats.
Researchers have found a unique habitat on Crosby Beach where Elminius modestus barnacles thrive, offering insights into factors influencing colonisation. The hard surface of the statues provides an ideal environment for settlement and growth.
Coral reefs face severe threats from human activities, and current MPAs are often insufficient to protect biodiversity. A global network of MPAs with optimal size and isolation is necessary to conserve coral reefs.
Researchers used carnivorous pitcher plant food webs to study habitat loss effects on species abundance. Trophic interactions, such as predator-prey relationships, dominated abundance predictions, unlike previous modeling frameworks that relied on habitat contraction or keystone species effects.
A groundbreaking study by Field Museum scientists reveals that wild lion manes develop according to local climate regimes and are influenced by age. Contrary to popular assumptions, most lions in regions like Tsavo do acquire respectable manes, and the best-maned lions are typically older.
Polar bears' habitat preferences shift as sea ice declines, affecting prey availability and reproduction. USGS research shows a causal link between earlier sea ice breakup and decreased polar bear survival.
A recent study confirms the 'island rule,' where small animals evolve into oversized versions of their continental counterparts, while large animals shrink. Island species exhibit accelerated evolutionary changes over short time frames, with a faster rate of evolution than mainland species.
Researchers found that conservation measures appear feasible in gap locations with large tracts of habitat and sparse human populations. However, difficulties may arise near coasts and in regions with agricultural interests, highlighting the need for further efforts to establish new protected areas.
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.
A six-year study at a massive experimental landscape found that wildlife corridors support more plant species, particularly native ones, than isolated areas. The results suggest that corridors are crucial for preserving both wildlife and plant biodiversity.
University of Michigan researchers found that invasive cattails alter the environment in ways that hinder native species but benefit the invaders. The cattails' litter accumulation creates a different environment with higher nutrient levels and lower light, which favors the invaders' growth.
Scientists from NASA and the University of Maryland used a new tool to track possible habitats of the ivory-billed woodpecker in delta regions along the lower Mississippi River. The study aims to determine if the species is extinct or still living.
Species unique to tidal marshes are vulnerable to habitat loss due to coastal development and sea level rise. Toxic wastes and invasive species also pose a significant threat to these endemic species. The American Institute of Biological Sciences argues for an expanded research program to better understand the impacts of these threats.
Researchers found that elephants in northern Kenya's Samburu/Isiolo/Laikipia districts prefer flat terrain to reduce energy expenditure. The study suggests that large animals like elephants have different views of their surroundings than smaller ones, considering energy replenishment needs.
A comprehensive study finds tiger habitats have declined by 40% since last decade, with only 7% of historic range remaining. The report identifies 76 tiger conservation landscapes that can support viable populations, calling for increased protection and international cooperation.
Researchers analyzed 22 multispecies plans and found that 41% of covered species were unconfirmed. This lack of data can lead to nonuniform land use, posing a threat to protected species.