Articles tagged with Ecological Adaptation
A study finds that microbial communities can rapidly respond to temperature fluctuations by re-activating latent species adapted to thrive at different temperatures. This 'species sorting' mechanism allows communities to survive in response to changing environmental conditions.
New research reveals mangroves can withstand heavy metal contamination without adverse health impacts. Grey mangroves were found to tolerate high lead and zinc levels in contaminated sediment, highlighting their role in stabilising polluted regions.
Researchers have launched five projects to investigate the impact of pollution on UK rivers, which fail to meet good ecological status due to pollutants like chemicals, microplastics, and pharmaceuticals. The projects aim to improve water quality, biodiversity, and resilience to climate change.
Researchers investigate whether genes increasing heat tolerance also reduce cold tolerance in animals. Ostriches, with their extreme temperature variations in the wild, are an ideal model for studying this phenomenon. The study aims to understand how life stages influence adaptation to temperature fluctuations.
A study reveals that porcini mushrooms have evolved in different ways across the globe, with local ecological factors playing a stronger role in maintaining genetic distinctiveness than genetic flow. The findings challenge traditional notions of species development and suggest multiple evolutionary strategies for this organism.
Scientists have discovered that plants can rapidly adapt to environmental changes and pass on these adaptations to future generations through epigenetics. Plants use somatic memory to recognize previous environmental conditions and react promptly in the face of similar challenges.
A new study from the Indian Institute of Science sheds light on blackbucks' genetic diversity and survival strategies. Despite human activities restricting their habitats, male blackbucks disperse more than expected, contributing to geneflow, while females stay within native population ranges.
A new study led by Stefani Crabtree reveals that sustainable practices are often hindered by the flow of information between humans and their environments. The research provides a framework to assess how societies interact with their environments for good or ill, guiding environmental decision-making.
Researchers found that eyespots on animals' bodies make them more cautious when approached from the side, but not from directly behind or in front. This discovery sheds light on why eyespots have evolved to be symmetrical and effective predators.
Researchers warn that half of the world's coral reefs may become unsuitable by 2035 due to a combination of climate change stressors. This finding has significant implications for local biodiversity, culture, fisheries, and tourism in Hawaii and beyond.
The Great Salt Lake is losing freshwater input to agriculture and urban growth, causing salt concentrations to spike. Like Iran's Lake Urmia, it's reaching levels stressful for brine shrimp and brine flies, which are essential for migratory birds.
Researchers at KAUST have identified thermophilic bacteria with potential to degrade oil contamination. The study reveals that certain bacteria can secrete surfactants and absorb emulsified petroleum into their cells for degradation via enzymatic activity.
This study reveals genetic insights into artificial selection and ecological adaptation in silkworms, identifying 468 domestication-associated genes and 198 improvement-associated genes. The pangenome dataset also sheds light on the origins of domesticated silkworms and their economic traits.
Researchers studied the common house ant's adaptation to urban environments, finding genetic concentration and changes in aggression towards outsiders. Urban queens were closely related and less aggressive, while super-colonies with polydomous colonies formed only in developed areas.
Climate variability in eastern Africa influenced hominin evolution, leading to anatomically distinct groups and modern human separation. Researchers analyzed lake sediment cores, revealing stable humid conditions, abrupt arid pulses, and extreme environmental shifts.
A recent study suggests that coral reefs can evolve and adapt to climate change by protecting a sufficient diversity of coral reefs, particularly in hotter waters. The researchers advocate for conservation approaches at local, regional, and global scales to address this issue.
The six interdisciplinary studies will explore effective ways to expand UK trees, hedgerows, woodlands, and forests in rural and urban settings. Researchers aim to improve understanding of treescapes' value to people and the planet, supporting the Government's ambition to increase tree cover.
Scientists found that few components of an ant's waxy layer are enough to recognize nestmates from their own colony. The study also showed that adapting the wax layer to outside temperatures does not completely change the information used for recognition, but rather balances both functions.
A new study suggests that climate anxiety is a significant driver of climate action, particularly among younger people and those with higher generalized anxiety. Media exposure, rather than direct experiences, predicts climate anxiety, which can motivate individuals to make environmentally friendly lifestyle changes.
A new study found that regions with high past temperature variability tend to be less sensitive to current and future climate changes, offering hope for forests' ability to adapt. The research highlights the importance of considering legacy effects of past climate conditions in forest management and climate policy.
Beetles of the genus Lagria have evolved specialized 'back pockets' to store symbiotic bacteria, which are then relocated to reproductive organs during metamorphosis. The mechanism behind this process is not yet fully understood.
Researchers have found a 30-million-year-old beaver fossil that challenges previous theories on the evolution of semi-aquatic beavers in North America. The discovery, published in Royal Society Open Science, suggests that these animals may have evolved to swim earlier than previously thought and were likely adapted for aquatic life.
A recent study led by Eliza Loo found that plant immune receptors and signaling components confer salt tolerance even in plants challenged by non-pathogenic microbes. This suggests that plants can sense and initiate adaptive responses to abiotic stresses upon detecting alterations in cues presented by plant-inhabiting microbes.
A new Harvard-led study reveals that rising global temperatures caused the explosive evolution of early reptiles, challenging previous explanations. The research suggests climate change triggered morphological changes in reptile groups, including those that gave rise to crocodiles and dinosaurs.
A new study by University of Missouri and Webster University scientists finds climate change linked to decline of bumblebees in alpine regions. Warming temperatures are creating a longer growing season, allowing lower-elevation bees to migrate to alpine areas, where they struggle to adapt.
Scientists analyzed UK bumblebee populations and found evidence of increasing stress due to climate change, with higher asymmetry in wing shapes linked to hotter and wetter years. The study used ancient DNA methods to determine genetic diversity loss and adaptability of bee genomes over time.
A new study reveals sponges have a unique mechanism to clear their water channels: a sneeze-like process. Sponges release a type of mucus that is consumed by other animals, providing a food source inaccessible to most sea creatures.
Researchers observed a decline in blue and yellow colouration among two blue tit populations over 15 years due to rising temperatures and falling rainfall. This change may affect mating patterns as traits like coloration serve as signals to indicate quality.
Researchers investigate how foraging adaptations affect Arctic charr resilience to climate change. The team aims to develop a framework linking genetic and malleable components of feeding trait diversity to population demography, habitat, and eco-evolutionary potential.
Scientists discovered that ancient eelgrass migration and Pleistocene ice ages left lasting signatures in their DNA, impacting size, structure, and community composition. Genetic legacy played a stronger role than the present-day environment in determining these traits.
Researchers examine the relationship between thermal biology and sexual selection, finding that animals often tolerate perilous temperatures during mating to increase reproductive success. The study highlights the importance of considering scale in understanding the impact of global warming on reproductive processes.
Cognitive impairment can lead to population declines, particularly for species relying on learning and memory. Infections can impact cognitive abilities differently across animals, depending on their survival strategy and pathogen manifestation.
A global survey of biodiversity experts finds that more species are threatened with extinction than previously thought, with estimates suggesting 30% of species have been lost since 1500. The study identifies climate change, pollution, and land-use changes as key drivers of biodiversity loss.
Climate change is affecting lakes globally, causing changes in stratification regimes, dissolved oxygen levels, and habitat for native fish. Warmer water temperatures can lead to cyanobacterial blooms, reduced oxygen levels, and increased salinity, impacting aquatic organisms and human activities.
The European Federation for Science Journalism announces the judging panel for its 2022 Climate Investigation Grant, comprising journalist and scientist experts in climate change and storytelling. The grant aims to support ambitious field investigations on climate topics across eight European countries.
The study clarifies the role of photoperiodism in regulating rice flowering time. Phytochrome B makes connection between light and Evening Complex, while active ELF3-1 protein triggers late flowering. Evening Complex plays essential role in inducing flowering, with inactive proteins leading to no flowering.
Researchers have created a new classification system for coexisting mangrove-coral habitats, identifying four distinct types: lagoons, creeks, fringe areas, and under the mangrove canopy. These habitats are diverse, with about 130 species of corals living in them, and are crucial for coral survival.
Researchers found that lab zebrafish have lost physiological plasticity, a characteristic that allows organisms to adjust to different environments, over time. This loss affects their ability to perform consistently across a wide range of temperatures, highlighting the costs of domestication.
A new study finds that climate change will make the U.S. Corn Belt unsuitable for cultivating corn by 2100, highlighting the need for significant agricultural adaptations, diversification and a shift towards more sustainable farming practices.
Shellfish farmers in California are adapting to ocean acidification by diversifying their operations and relying on scientific resources to pinpoint environmental factors contributing to large die-off events. Growers also emphasize the need for policy changes, such as adjusting regulatory requirements and permitting processes.
New computer simulations predict that farmland and suburban moths are struggling to move across landscapes due to landscape features such as rugged hills. Habitat restoration in these areas could help species adapt to climate change by shifting their ranges across the country.
The study reveals that early animal communities exhibited complex ecological structures more than 550 million years ago, setting the stage for the Cambrian explosion. The analysis of metacommunity structure suggests competitive exclusion as the cause of the diversity drop in the late Ediacaran period.
A new online tool, HazardAware, provides disaster readiness reports for 13.3 million addresses in 196 counties along the Gulf of Mexico, including all of Florida. The tool assesses a property's resilience to hazards such as hurricanes and flooding, and offers customized mitigation information to reduce future hazard loss.
Researchers found that greater mouse-eared bats imitate the buzzing sound of a stinging insect to avoid predatory owls. The study, published in Current Biology, provides evidence of interspecific mimicry between mammals and insects.
A recent study suggests that tree density in the Cerrado biome has been controlled mainly by the length of the dry season over the past 45,000 years. The research found a link between changes in the dry season and variations in Earth's axial tilt, which may lead to similar trends in the late 21st century.
Researchers at City University of Hong Kong discovered a new neural mechanism that enables animals to perceive and integrate environmental cues, such as air puffs and sounds, to initiate defensive behavior. This finding has implications for understanding schizophrenia patients' auditory hallucinations.
A remote Irish community endured a millennium of climate change and ecological shifts without significant disruption, thanks to its adaptable social practices. The study, published in PLOS ONE, analyzed peat core data to infer environmental and human occupation changes over 1,000 years.
Researchers developed a 3D printing method to preserve coral reefs, using natural structure data and environmental DNA sampling. The process creates customizable structures that can be tailored to specific reef environments, promoting biodiversity and supporting regrowth.
Neanderthals occupied a lightly wooded lakeshore about 90,000 years ago in a relatively temperate climate. Stone tools found at the former campsite attest to activities such as woodworking and plant processing.
A study of ancient shell remains found at El Mazo cave site reveals that prehistoric humans in Europe adapted to a 1,500-year cold period by exploiting different mollusc species and avoiding overfishing. This research provides insights into human responses to climate change and its impacts on marine environments.
A study has discovered that humans are disrupting a fundamental pattern in ecosystems, which dates back at least 66 million years. The U-shaped relationship between diet and size in modern land mammals has been found to span across multiple vertebrate groups, including birds, reptiles, and fish.
A recent study published in Science found that urbanization drives the evolution of white clover in cities worldwide. The researchers collected over 100,000 plants from 160 cities and discovered that plants producing less cyanate were more common in urban areas compared to non-urban areas.
Human activity on Hainan Island is causing changes in the body shapes and diets of tropical birds, resulting in biotic homogenisation. Despite efforts to protect biodiversity, the island's unique ecosystem is being affected by large-scale economic and land-use changes.
A new study found that mountain streams are signaling climate change through changes in invertebrate populations, which can indicate ecosystem health. The researchers discovered that diversity tends to increase downstream but is lowest near lakes, highlighting the need for protecting these ecosystems from diversions and habitat damage.
A comprehensive study of 8,000 birds in Israel found significant changes in bird morphology over the past 70 years, likely due to global warming. Some species became lighter while others gained size, increasing their surface area-to-volume ratio to facilitate heat loss.
A study published in Animal Behaviour found that individuals from urban environments differ more in their behavior from each other than those from rural populations. This suggests that high spatial and temporal heterogeneity in urban environments may contribute to the development of distinct 'city personalities' among shrews.
Researchers found that livestock grazing had no negative impact on snow leopard distribution or density, and the species can coexist due to their separate ecological niches. The study suggests a more nuanced approach to conservation and land use, prioritizing the preservation of rocky mosaics.
Researchers found that T. domingensis absorbed more iron than H. tiliaceus, making it a promising phytoremediation technique for rehabilitating contaminated water and soil. The study's findings could help mitigate the environmental damage caused by the 2015 iron mine tailings dam disaster in Brazil.
Research by Universidad Complutense de Madrid found that sea turtles consistently choose the same nesting sites each season, affecting the sex of their offspring. The temperature-dependent sex determination of turtles means males are produced at lower temperatures, and nesting beneath trees may increase male births in warmer temperatures.
Research at Clemson University reveals that flowers use UV-absorbing chemicals to create a 'bulls-eye' effect for pollinating insects, aiding survival. Plants adapt to different environments by producing varying amounts of UV-blocking or absorbing chemicals.