Articles tagged with Refugia
A study by the University of Helsinki found that nearly 80% of Ukrainian refugees with war injuries carried multidrug-resistant bacteria. However, non-hospitalized refugees showed no significant increase in MDR bacteria carriage rates. The Finnish healthcare system is taking precautions to tackle this challenge.
A new study found that a wildfire and drought led to an increase in jaguar population density in the Brazilian wetlands. The site, which is home to a unique population of jaguars with aquatic diets, may serve as a climate refuge, buffering extreme climate events.
Climate scientists have proposed a new approach to conserve vulnerable ecosystems, focusing on sites with favorable weather conditions. The 'climate-change refugia' concept aims to reduce species extinctions by identifying and protecting areas least impacted by changing weather.
A study found that protected areas are unlikely to provide connectivity for species shifting ranges due to climate change, with two-thirds of the world's 30,000 protected areas expected to fail. Conservation strategies must prioritize effective use of protected areas to help species adapt to a warming planet.
The study of 356 prehistoric hunter-gatherers from across Eurasia sheds light on the movements and genetic replacements of ancient populations. Genetic analysis reveals that populations in western Europe took shelter during the Last Glacial Maximum, while those in central and southern Europe died out or replaced with new gene pools.
A study by the University of Tsukuba found that Siebold's beech populations on Okushiri Island have high genetic diversity, suggesting they may have persisted there since before the last glacial maximum. This challenges the assumption that island populations are less genetically diverse due to geographical isolation.
Researchers found that certain characteristics of refugia led to more tree regeneration, with taller trees and mountain hemlock species showing higher seed dispersal. The study suggests that natural regeneration is possible in some areas, making replanting efforts unnecessary and potentially harmful.
Researchers identified glacial refugia for Campanula americana and found that populations nearest the refugia had highest potential for speciation. This discovery highlights the importance of conserving habitats in Southeastern regions.
A new species of fish, the Rose-Veiled Fairy Wrasse, has been described by a Maldivian researcher and colleagues as part of the California Academy of Sciences' global Hope for Reefs initiative. The discovery reveals that the species is actually two different species with potentially more restricted distributions.
Research reveals that warm-water habitats in Upper Klamath Lake provide essential energy for cold-water fish during spring and fall, while providing limited food sources in summer. The study highlights the importance of considering multiple habitats for mobile species like redband trout in climate change conservation.
Research in Borneo suggests that forest patches adjacent to palm oil plantations provide critical habitats for generalist species, including the Asian water monitor lizard. These refuges help maintain biodiversity in oil palm-dominated landscapes.
Researchers have identified climate-change refugia in a dry-forest region of Brazil's Peruaçu Caves National Park. The study used tree ring analysis and satellite images to confirm the existence of these areas, which are relatively buffered from climate change, offering high probability of conservation success.
Researchers used fire progression mapping and weather interpolation to build statistical models for the Klamath-Siskiyou region, finding that hotter-than-average fire weather and smoke density influence refugia occurrence. Topographic variability and moderate smoke conditions are crucial for preserving these fire-resistant areas.
Scientists have identified two marine biodiversity refugia in the Eastern Bering Sea, where species richness and community stability are high. These regions, covering less than 10% of the study area, harbor 91% of analyzed species and support commercially important fish and crab populations.
The new report projects that all world's coral reefs will experience severe bleaching annually by 2034 under the most aggressive scenarios. Coral reefs in some countries, such as Indonesia and Malaysia, are projected to have temporary refugia, but many will face significant exposure to annual severe bleaching conditions.
Researchers are exploring areas of landscape less prone to disturbances like fire and drought, known as disturbance refugia, to understand why change doesn't occur as quickly in some landscapes. These refugia may hold the key for conserving forest landscapes and biodiversity in a changing climate.
A study from UC Davis maps 15% of California's natural lands as 'climate refugia' where existing vegetation can buffer climate change impacts. These areas are priority targets for conservation and wildfire restoration efforts, offering a chance to conserve habitat and services for wildlife.
Researchers have developed a conceptual model to identify and classify springs with potential to be refuges for plants and animals in drying climates. The study highlights the need for conservation efforts to protect these ecosystems from climate change.
A special issue of Frontiers in Ecology and the Environment synthesizes climate-change refugia science developments, highlighting conservation successes and future directions. The article highlights the importance of 'slow lanes' to protect native species and ecosystems from climate change impacts.
Researchers used genomic data to estimate the precise location of ice-age refugia for two hickory species, finding evidence of northern microrefugia. The study suggests that some trees likely survived farther north and closer to the ice sheet than previously believed.
The study sheds light on the genetic legacy of European hunter-gatherers, showing a complex and diverse ancestry in southern Europe. The findings suggest that hunter-gatherer lineages survived in Iberia during the Last Glacial Maximum and later intermingled with Neolithic farmers.
Research presents coldwater stream habitats as potential refugia against climate change, enabling persistence of ecosystems and species. Conservation strategies can be effective with understanding of these habitats' persistence, helping management practices such as dam removal and trout stocking.
Researchers found that microclimates, or sheltered pockets of cooler and more variable conditions, can provide alternative habitats for many climate-sensitive species. These refugia have reduced the probability of extinctions of certain butterfly species by up to 63%.
International scientists have discovered a short-lived community of organisms that may hold clues to forces shaping our planet today. The community, which included microbial mats, trace fossils, bivalves, and echinoids, was found in a moderately deep-water setting near Shangsi in China's Sichuan Province.
Researchers from Lomonosov Moscow State University discover that Cladocerans originated from the north and spread throughout the Palearctic region via Beringia, a land bridge that closed and reopened multiple times. The study uses molecular genetic analysis to shed light on the evolution and dispersal of these small crustaceans.
A new USGS study identifies specific steps to manage climate refugia for plants, animals, and fishes. These 'refugia' are areas that will remain relatively stable due to climate change, providing temporary sanctuaries for species of conservation concern.
A new study led by the Northeast Climate Science Center at UMass Amherst offers a framework for conserving areas naturally buffered from climate change. The researchers provide specific steps for identifying and managing climate change refugia, which can serve as short-term sanctuaries for species of conservation concern.
New study reveals an Ice Age refugium in Arabia, potentially on the Red Sea plains, and suggests modern humans inhabited the region for up to 10,000 years. The findings challenge previous theories that humans did not settle in large numbers until agriculture developed around 10-11,000 years ago.
Researchers have developed genetic maps that reveal ancient migration patterns of black bears in North America, providing insights into their evolution and distribution. The study identifies four glacial refugia where bears retreated during ice ages and shows how they dispersed into different regions.
New research identifies high-priority conservation areas in Europe due to climate change, with only 4% of land area offering refuge for species. The study highlights the need for targeted conservation efforts in human-dominated landscapes.
A recent study found that past climate changes and sea level fluctuations may have contributed to the formation of new species in the Amazon. The research, published in PLOS ONE, used leafcutter ants as a model organism to investigate how geography and climate affect species diversity.
Climate change could drastically alter California's plant diversity, with many endemic species facing extinction. The researchers project that some plants will migrate northward and toward the coast, while others may disappear from central California due to changing climate conditions.
A recent study using lipid biomarker techniques has identified complex and productive microbial ecosystems in prehistoric rocks from southeastern Brazil. This finding challenges the 'Snowball Earth' theory by suggesting that thin ice might have allowed for photosynthesis to occur during extreme glaciation.