Articles tagged with Animal Habitats
Researchers observed four generations of clown fish in Papua New Guinea's Kimbe Island lagoons to find no genetic variation for reproductive success. Environmental conditions, particularly sea anemones, play a vital role in clown fish survival and population replenishment.
A study found that clownfish population persistence depends on high-quality habitats, not shared genes. The researchers identified individual fish and their DNA over five generations to assess reproductive success.
A study reveals that endangered monkey species in national parks make calculated decisions to balance risks and rewards of sharing space with humans. The research highlights the negative impact of human food consumption on their physical health and the need for sustainable conservation programmes to save declining species.
A study of threespine stickleback in California estuaries reveals evolutionary changes in response to climate-driven habitat alterations. The fish are adapting by reducing the number of bony plates along their sides, allowing for increased maneuverability and energy efficiency.
Researchers found that right whales were present throughout the year in Massachusetts Bay, with a significant increase in detections during winter-spring months. This shift has implications for conservation efforts, as it suggests that whales are adapting to changing conditions and may be entering areas without protections.
The 'Half Earth' conservation proposal aims to spare 50% of the planet for nature, but its impact on human populations is significant. A study estimates that over 1 billion people would be directly affected, primarily in middle-income countries and wealthy nations.
Researchers found climate change and turf seaweed contributing to the transformation of seafloor landscapes, with shrub-like seaweed dominating lower areas. This shift could impact species habitats and the food web, specifically affecting mid-trophic level species like cunner.
A study by the University of Barcelona finds sediment accumulation outpaces nitrate toxicity in harming river ecosystems. Researchers warn that habitat degradation due to deforestation and agricultural practices threatens Europe's Water Framework Directive goals.
Researchers found that larval fish in ocean surface slicks ingest prey-size plastics, which could impact their development and survival. The study highlights the importance of understanding complex gradients in plankton and larval fish abundance to protect these vulnerable life-history stages.
Larval fish from various ocean habitats consume plastic, affecting development and survival. Surface slicks act as nursery habitats, concentrating planktonic prey and plastics.
New research reveals that surface slicks in coastal waters of Hawai'i contain a high concentration of larval fish, as well as prey-size plastics. Larval fish ingesting these plastics may face development and survivorship impacts due to toxicity and malnutrition.
A new study reveals that conservation plans often overlook habitats used by females, putting declining species at greater risk. Researchers found that female birds face a higher threat to their habitats than males, highlighting the need for inclusive conservation strategies.
Researchers found that despite turtles using open roadside habitats, none attempted to cross the road. The highway acts as a complete barrier, potentially separating the local population and decreasing its ability to cope with threats. Corticosterone levels were not affected between Bypass and roadless sites.
New research finds that bacteria launch exploration when thriving in their current environment, using a mechanism to optimize population movement. The study also shows that slower bacteria have advantages at smaller distances, contradicting traditional wisdom that faster is always better.
A recent study found that plant extinction rates have increased significantly, particularly in biodiversity hotspots, due to human activities such as agriculture and urbanization. The research group also discovered that the extinction rates of perennial herb plants growing in temperate regions are among the most threatened.
Researchers at the Virginia Institute of Marine Science have found that blue catfish, an invasive species in Chesapeake Bay tributaries, can survive in waters with high salinity levels. The study suggests that these fish may be able to expand their range into mainstem Chesapeake waters and new Bay tributaries.
Researchers have discovered dozens of dinosaur footprints in Alaska's Alaskan Peninsula, revealing that high-latitude hadrosaurs preferred tidally influenced habitats. The findings provide insights into the habitat preferences of these highly successful herbivores and their role in shaping ancient ecosystems.
A genetic study on the critically endangered regent honeyeater found that while genetic diversity remains intact, habitat protection is key to saving the species from extinction. The researchers used DNA samples from museums and wild birds to compare genetic makeup before and after severe population decline.
Citizen scientists using Facebook and Instagram contributed to the discovery of five new species of pygmy seahorses in Taiwanese waters. The 'Japan pig' seahorse was also found, expanding our knowledge of its habitat and distribution.
Researchers from Tunghai University and Taiwan Ocean Research Institute used social media to investigate pygmy seahorse diversity in Taiwan. They identified five separate species, including two previously unreported ones, and discovered a hotspot for biodiversity.
Research reveals that sanderlings migrating to West Africa have lower survival rates, arrive late at breeding grounds, and skip their first breeding season. The study suggests that the costs of longer migratory flights outweigh benefits in winter habitats.
Researchers used drone and satellite imagery to map snail habitats in the Lower Senegal River Basin, finding that non-emergent vegetation was a stronger predictor of human infection than host snail counts. Removing this vegetation may benefit snail control efforts, reducing schistosomiasis transmission risk near human water-contact sites.
A study reveals that protected areas worldwide are not reducing anthropogenic pressure on natural habitats, with chronic underfunding and local community disengagement identified as key factors. Satellite data analysis found increases in human encroachment in over 90% of global regions, particularly in the tropics.
Researchers used satellite images, drone photos, and machine learning to identify communities at risk for schistosomiasis. The study found that areas with floating vegetation near water access points are more likely to have high infection rates.
Two new studies analyze the role of warming oceans and local conditions in shaping lobster populations, suggesting a period of decline for the Gulf of Maine fishery. The American Lobster Settlement Index provides an accurate prediction of lobster abundance four to six years later.
Researchers found that climate change is causing some British butterflies to emerge earlier, benefiting flexible species with multiple breeding cycles per year. However, single-generation species that are habitat specialists are most vulnerable to climate change, leading to declines in numbers and local extinctions.
Insects are moving northwards in response to climate change, but often find no suitable habitats for settlement. Habitat availability plays a crucial role in determining expansion rates, with some species thriving in certain conditions while others struggle.
A recent study reveals that half of the Earth's land surface remains relatively wild, but fragmented into small pieces, posing a threat to their future. The report identifies high-priority areas for protection, including remote boreal forests and tropical rainforests.
A study by the Cary Institute of Ecosystem Studies found that mosquitoes in lower-income neighborhoods have larger bodies, which can transmit diseases more efficiently. The researchers measured wing length and habitat features to understand how socioeconomic conditions influence mosquito-borne disease risk.
Researchers at the University of Delaware found that 3D-printed coral models do not harm fish behavior or coral survival. Fish showed no preference between native coral and artificial habitats, making biodegradable materials like cornstarch a promising alternative to plastic.
Researchers from Princeton University found that bird species adapted to seasonal climates can tolerate deforestation better than those native to tropical environments. The study suggests a combination of protection and land management may be more effective in preserving biodiversity.
Researchers used fossil shells to estimate the age of seagrass meadows, revealing that they are remarkably stable over time, persisting in the same spot for hundreds or thousands of years. The study highlights the importance of seagrasses as critical long-term reservoirs of biodiversity in coastal ecosystems.
The study found that the presence of Nassau grouper had a positive effect on fish abundance, with groups having both a resident grouper and complex habitat producing the highest numbers of fish. Habitat complexity also significantly benefited fish populations, with degraded sites having fewer than 50 fish on average.
Researchers used multifactor models to examine the impact of climate change on marine species in the US Northeast Shelf. The study found that more than 50% of species would experience a decline in habitat space, posing serious trouble for certain species like the Atlantic cod.
A new study suggests that restoring habitat connectivity can increase plant diversity by nearly 14% in fragmented ecosystems. By reconnecting disparate habitat fragments, plant extinctions are reduced by 2% per year and colonization from new species is increased by 5% per year.
A new study found that mosquitoes are more likely to lay eggs in clusters of patches withstanding water, rather than dispersed patterns. This creates hotspots where mosquitoes can breed and transmit diseases like Zika, dengue, and chikungunya.
A new study in Science demonstrates a hopeful strategy for conserving plant and animal species in fragmented habitats. By connecting small, restored patches of savanna via habitat corridors, researchers found an annual increase in plant species within fragments and a drop in species extinction rates.
A Stanford-led study predicts a tripling of storm-related damages in the Bahamas if protective ecosystems like coral reefs and mangrove forests are degraded or lost. The research is being used by the Bahamian government to pinpoint key areas for investment in natural ecosystems.
A study published in the journal Science reveals that US and Canadian bird populations declined by 29% between 1970 and 2020, with losses across diverse groups of birds and habitats. The results show pervasive declines among common birds across all habitats, including backyard birds.
Researchers studied 18 Acaena plant species in New Zealand habitats, revealing that geographical and climate conditions play a greater role in colonization success. The study suggests that warmer and wetter conditions can facilitate species adaptation to newly opened habitats.
A University of Queensland-led study reveals critical failures in Australia's environmental protection laws, with over 7.7 million hectares of threatened species habitat destroyed between 2000 and 2017.
A research team has successfully identified an unknown population of the endangered Yamato salamander in Gifu Prefecture, Japan. Using a combined methodology of GIS and eDNA analysis, they discovered five new potential habitats for the species.
A new study has found that habitat loss is a major concern for hundreds of Australian bird species, particularly those in south-eastern Australia. The research, led by the University of Queensland, used the Loss Index to quantify the impact of habitat destruction on native bird populations.
Research using stable isotopes shows that some mammals thrive on agricultural products in modified landscapes, while others rely on forest resources. Habitat loss from agriculture may pose conservation challenges, highlighting the need for sustainable land-use practices.
Connected areas of high-quality forest running through oil palm plantations may help support increased levels of biodiversity and protect species like orangutans. The researchers recommend improving the quality of these set-asides to contribute to landscape connectivity.
A recent study found that more than half of the 504 primate species were left out of the research literature, with only 13% focused on chimpanzees. The study highlights the need for conservation efforts to protect endangered primate species and their habitats.
Researchers from the University of Kansas have described three genera and 17 new species of water scavenger beetles from the Guiana and Brazilian Shield regions. The discovery highlights the vast biodiversity left to be described in areas where resource-extraction operations are destroying natural habitats.
A new study by University of Michigan researchers reveals that Asian carp can survive and grow in larger portions of Lake Michigan than previously believed. The findings suggest that the fish can thrive in various diets, including detritus, and have suitable habitat volumes throughout the water column.
Researchers found that sharks are much rarer in habitats closer to people and fish markets, with a significant drop in average body size. The study suggests that industrial fishing is the main driver of this decline, which has major implications for ocean ecosystems.
A new study led by two Japanese researchers found that pre-modern ironwork had significant impacts on the current distributions of 21 mammalian genera native to Japan. Medium-to-large mammals responded positively, while small mammals were negatively impacted due to habitat degradation.
Researchers built mini temperature-controlled habitats to study how poison frogs adapt to warmer temperatures. The study found that frogs from sunny pastures prefer higher temperatures, but their maximum tolerance remains unchanged.
Scientists have discovered a new non-blooming orchid species, Gastrodia amamiana, on Amami-Oshima and Tokunoshima islands. The unique plant has hard buds instead of opening its flowers, suggesting it may have evolved to conserve resources in a forest environment.
Wild gibbons require extensive forest territory for each group, making them vulnerable to habitat loss. Their large home ranges are also a challenge for conservation efforts, as they squeeze into fragmented forests too small to accommodate multiple competing groups.
Researchers fitted satellite transmitters to harbor seals, revealing their home ranges and habitats along the Oregon coast. The study found individual differences in behavior, with some seals ranging hundreds of miles from marine reserves.
Researchers studying lionfish ear-bones found that these fish are more mobile than previously believed, moving at least once throughout their life. This discovery has implications for managing the invasive species, as understanding habitat choice can inform effective removal and conservation efforts.
Researchers found that small-scale farming is destroying tropical forest wilderness in northeastern Peru, posing significant threats to biodiversity. The study highlights the need for careful management of remote areas and potential opportunities to link conservation with rural development efforts.
Researchers discovered a tiny monkey species, Nanopithecus browni, 4.2 million years ago in Kenya's Kanapoi site, challenging previous assumptions about guenon evolution. The fossil, found near grasslands and open forests, provides insights into the complex history of Old World monkeys.
A new study published in Scientific Reports reveals that degraded rainforest habitats are having an unhealthy impact on at least one species of Madagascar's treasured lemurs. Despite moderate levels of habitat fragmentation and disturbance, some groups of sifakas showed substantial resilience to these changes.
Small mammals use roadside vegetation foraging in Canada, contrary to assumptions that wildlife passages are only for crossing. The study suggests maintaining habitat between highways could attract animals to roads, increasing the risk of collisions.
A recent study found that old-growth forests are less likely to experience high-severity fire than young-growth forests during wildfires. This suggests that old-growth forests could be used as biodiversity refuges to buffer the effects of climate change on fire regimes in the Pacific Northwest.