Articles tagged with Ecological Adaptation
A University of Kansas study reveals that rice paddy snakes in Southeast Asia diversified after the Khorat Plateau rose, driven by environmental factors. The research uses molecular data and ecological niche modeling to shed light on the snakes' evolution and habitat suitability.
Researchers from the University of South Australia discovered that eating faeces helps birds absorb lost or deficient nutrients and adjust to seasonal variations in food sources. This coprophagy enables them to adapt to new environments and is especially important for long-migratory birds.
Research reveals that rapid-range shift in fish populations is often a sign of impending decline. The study analyzed data from over 2,500 species and found that those shifting at high velocities show marked declines, while core range populations remain relatively stable.
A study by IB-UNICAMP researchers showed that restoring biodiverse ecosystems can prevent exotic grass invasion, which is hard to eradicate. The study found that higher plant diversity reduces invasion, likely due to competition for resources in the nutrient-poor soil.
Research found that introduced ribwort plantain populations have higher concentrations of chemical defense compounds than native populations, despite showing slightly greater feeding damage. Climatic conditions also play a role in the accumulation of volatile compounds and the plants' ability to cope with environmental stresses.
A new study analyzed over 5,700 invasive plant species and found nearly one-third exhibited lag periods between introduction and rapid expansion, with the average time being 40 years. This latency allows them to be overlooked, contributing to their eventual emergence as a serious ecological threat.
A recent study found that semi-aquatic anole lizards can experience a 6°C drop in body temperature while diving, with males conserving heat to minimize muscle recovery time. Females prioritize safety over physiological costs, taking longer dives to avoid predators.
Researchers observed an individual orca, nicknamed Starboard, killing a 2.5-meter juvenile great white shark within two minutes. The study challenges conventional cooperative hunting behaviors among killer whales, providing new insights into their predatory dynamics and potential impact on marine ecosystems.
Genetic research revealed many new fern species in tropical America, with 18 newly named and described species. The study found that similar-looking species were previously thought to be a single widespread species.
Scientists explored desiccation tolerance in mosses, tracing 450 million years of plant evolution. They found closely related species use similar pathways to coordinate dehydration but differ in rehydration management.
Researchers provided first detailed estimates of sediment supply to coral reef islands, crucial for understanding climate change impacts. They found that around 0.1m³ (100kg) of sediment is delivered to islands per year, helping islands withstand rising seas.
A new study highlights the crucial role of Indigenous Peoples' knowledge in advancing climate change research and policy. The project LICCI, led by Victoria Reyes-García, engaged over 5,000 individuals across 48 diverse cultures and nationalities to document climate change impacts as perceived by local communities.
Local fishers in Mexico's Gulf of California respond to climate challenges through self-governance and organizational structures, with cooperative fishing organizations adopting conservation measures for specific high-value species. The study reveals tradeoffs between specialization and adaptability, suggesting that social structures c...
Researchers analyzed over 200 butterfly and moth genomes to understand their evolutionary history. They found that chromosomes have remained largely unchanged since the last common ancestor over 250 million years ago, despite the diversity seen today in wing patterns and caterpillar forms.
A new study links climate change to a 60% increase in preterm births and severe respiratory diseases. Without global action, climate-driven extremes will devastate children's health for generations, with the strongest link found between temperature extremes and increased risk of preterm birth.
Research reveals a rich diversity of beneficial fungi living in boreal forest trees, with implications for forest health. The findings suggest that these fungi are adapted in highly specific ways to their local conditions, making them sensitive to future climate change.
A new large-scale study finds that functional traits, not nativeness, play a key role in shaping the effects of large mammalian herbivores on plant communities. Introducing feral cattle or water buffaloes into local areas could be a good idea for complementing native deer and promoting plant diversity.
The tawny owl's pale grey plumage is linked to crucial functions aiding survival in cold environments, including energy homeostasis and fat deposition. Genetic analysis reveals a 70-100% accuracy in predicting grey coloration through specific genetic variants.
Researchers have created the DEBBIES dataset to enhance understanding of cold-blooded animals' responses to novel environmental shifts. The dataset contains estimates of eight life history traits for 185 ectotherm species, allowing users to develop general predictions on animal responses using a few key characteristics.
A study found that crop diversification in the Cerrado biome leads to increased numbers of native mammals and a decrease in invasive species such as wild boars. Diversified crops helped control invasive species that cause damage to farmers.
Research reveals that spatial patterns in dryland vegetation are critical for adapting to changing environmental conditions. The study provides empirical evidence supporting the role of self-organized clusters in maintaining ecosystem function and health.
Smarter eco-cities harness real-time data to address environmental challenges and implement innovative approaches for ecological conservation. However, high energy demands associated with AI and AIoT applications pose a challenge to attaining environmental objectives.
A Dartmouth-led research team created an experimental green roof to test the effect of native prairie microbes on soil microbial community development. Their findings demonstrate that active management accelerates soil development faster than passive reestablishment, fostering a more diverse and sustainable soil community.
A new study found that the spatial arrangement of plants in drylands can be a sign of environmental degradation. Healthy ecosystems adjust their structure to cope with stressors, but degraded ones lose this adaptability and become more prone to further decline.
Research findings show seagrasses have evolved unique adaptations to thrive in marine environments, including genome duplication and fine-tuning of supportive pathways. The study's results provide clues for conserving and sustainably using these important ecosystems.
Research on ancient brown bear genomes sheds light on how they survived the last Ice Age. Brown bears experienced extensive range reductions and regional extinctions, leading to significant genetic diversity loss.
A new database of 928 weed species provides a unique insight into the history of agriculture and its ability to adapt to changing conditions. The data reveals trends in arable agriculture over time and how farming practices have varied in different environments, offering potential solutions for modern-day food production.
A study published in Current Biology reveals that complex green organisms, including land plants and algae, evolved multicellularity almost a billion years ago. Researchers used gene sequencing data to pinpoint the emergence of this trait in filamentous algal lineages.
Researchers found that urban finches are better equipped to survive the devastating effects of the avian vampire fly. In contrast, non-urban finches face nearly zero survival rates when parasitized, highlighting the importance of urban environments in mitigating parasite impact.
Research by University of Exeter scientists found that females with warmer temperatures have fewer spots, challenging long-held views on the reason for this variation. The study suggests that butterflies adapt their camouflage based on temperature, which could lead to a decrease in spotting over time.
Research reveals that red knot characters are formed in the first year of life, shaped by initial experiences in the Wadden Sea. Young birds exhibit more variable behavior and diet, while older birds have consistent food preferences and character types.
A study found that Spanish butterflies are better at regulating their body temperature by basking in the sunshine compared to British counterparts. However, rising global temperatures due to climate change may put Spanish butterflies at greater risk of extinction if they cannot adapt quickly enough.
A novel dataset is used to propose a 'restorative' pathway through which humanity can avoid the worst ecological and social outcomes of climate change. The scenario emphasizes social and economic justice as well as environmental sustainability, and offers a contrast to other climate scenarios that may be more aligned with the status quo.
New research found significant differences in heat tolerance among mosquito populations, with some more resilient to heat waves than others. Climate factors such as precipitation and humidity play a crucial role in determining their thermal limits, which may impact disease transmission.
A team of scientists sequenced the full genome of a sea cucumber collected at a hydrothermal vent, revealing expanded gene families involved in DNA repair and iron metabolism. The research provides valuable insights into the unique adaptations of marine animals to survive in extreme environments.
A new study by University of Maine researchers reveals that human evolution's core processes might prevent humans from resolving global environmental problems like climate change. The study found that cultural adaptation to the environment, which has driven human evolution, accelerates due to a positive feedback process, making it chal...
A study published in Ecology Letters reveals that human population growth and land-use changes led to significant dietary shifts in large herbivores in eastern China. The researchers found that these herbivores adapted by altering their diets, with increased interspecific differences and expanded intraspecific dietary ranges.
Research by Oregon State University scientists found that some coral species can adapt to marine heat waves by remembering past events. The study suggests that the microbial communities within corals play a key role in this process.
A team of UVA civil and environmental engineers and environmental scientists have developed a web-based decision-support tool, called the Climate Equity Atlas, to help residents deal with the challenges caused by climate change. The tool combines historical environmental data and socioeconomic data to create a sophisticated predictive ...
A new study has overturned conventional wisdom on wild turkey nesting survival, revealing that precipitation levels during nesting season are not related to reproductive success. The researchers found that temperatures above historical averages were associated with higher rates of daily nest survival during incubation.
The EU-funded ForestPaths project gathered stakeholders to discuss forest-based policymaking and climate change mitigation. Key findings include a desire for sustainable forestry products, long-term forest considerations, and practical guidance for forest managers.
Researchers found that 195 of 328 bee species collected in Wake County between 1900-2018 were not seen since 1969, likely due to underground nesting habits. Urbanization, climate change, and limited detection methods may be contributing factors.
Professor Shuqing Xu's research aims to investigate the connections between species interactions and evolutionary responses to climate change. He will create aquatic pond systems with hundreds of species to study how organisms respond to temperature increases, with potential findings on coevolution and ecosystem functions.
Researchers mapped the role of horticulture in spreading invasive species, projecting future hotspots and abundance under 2°C warming. The study found that plant nurseries are a primary pathway for invasive plant introduction, exacerbating climate-driven invasion.
Researchers propose a conceptual framework for understanding the diversity and composition of sulfur-cycling microbes in river-wetland-ocean continuum. They recommend developing new cultivation methods and studying life strategies, communities, and adaptations to improve ecosystem functioning through microbiome engineering.
A new bacterial species, Hydrogenimonas cancrithermarum, discovered at a deep-sea hydrothermal vent site provides insights into bacterial evolution. The strain represents the first mesophilic sulfur-oxidizing bacterium in its genus, expanding physiological and metabolic characteristics.
Rising sea temperatures in the Mediterranean may drive juvenile bluefin tuna out of their nurseries, where they'll be caught in existing fisheries, requiring adaptions to fishery methods. The research found that waters above 28 degrees Celsius will adversely impact bluefin growth.
Researchers urge concerted action to mitigate global warming's impact on polar ecosystems, which are both the most-threatened and least-understood areas. The study aims to map all biodiversity in these regions to sustainably manage unique habitats and their ecosystem services.
A H2020-funded project reviewed 'local ecological knowledge' for Greenland and interviewed fishers in West, South and East Greenland. The recommendations are available in English, Danish, and Kalaallisut for informing Greenlandic fisheries policy.
A new approach to understanding climate change effects on marine ecosystems considers both smooth trends and variable changes, highlighting areas vulnerable to extreme events. Researchers propose a 'more realistic' conceptual model to better predict future consequences.
A recent study by University of Helsinki researchers found that early humans occupied diverse environments beyond savannah-grasslands when dispersing out of Africa. This challenges the previous assumption that humans required specific habitats and suggests they were more ecologically versatile than thought.
Scientists observe rapid evolutionary changes in bacteria and viruses, leading to the emergence of complex ecological patterns. The study reveals nestedness and modularity as two prominent repeating patterns in bacterial-phage interactions.
A new database combines distribution and lifecycle datasets to examine the prevalence of different lifecycles globally. The study found that annuals are expected to benefit from climate change, but their increased presence could be devastating for ecosystems.
Researchers discovered a 'neglected' dinosaur, Thescelosaurus neglectus, had exceptional smell and balance abilities. Its brain size was relatively small, but its olfactory bulbs were large, similar to those of living alligators.
Scientists have unlocked the genetic basis underlying the remarkable variation in body size observed in song sparrows, one of North America's most familiar and beloved songbirds. The study found eight genetic variants associated with body mass, largely responsible for the nearly threefold difference in body size across the species' range.
Researchers discovered that true crabs have left the marine environment up to 17 times over the past 100 million years, with most species able to survive in semi-terrestrial habitats. The study's findings provide insights into convergent evolution and the adaptation of crabs to life on land.
Researchers have made a breakthrough in studying species evolution by using robotic video microscopes and computer vision to measure embryo characteristics. The study found huge changes in an embryo's observable traits before and after developmental events, suggesting that measuring timings of development is just the tip of the iceberg.
Plant populations in Cologne show great variation in life cycle characteristics, such as flowering and germination regulation, allowing them to adapt to local conditions. Environmental filtering plays a key role in selecting suitable genetic variants for survival.
A recent simulation study suggests that giant dinosaur carcasses could have been a key food source for Jurassic predators like Allosaurus. The researchers found that scavenging large carrion was more profitable than hunting, indicating that carnivores in such ecosystems might have evolved specialized traits to exploit these resources.
A new research project will explore the potential for low-lying coral atoll islands to survive the impact of rising sea levels, contradicting previous forecasts. The five-year £2.8m ARISE project will conduct extensive field tests and laboratory experiments in the Maldives and Pacific.