Articles tagged with Ecological Diversity
Researchers used unconventional methods to study fruit fly phenotypes, finding that loss of epigenetic mark led to changes in behavior, gene expression, metabolism, and offspring production. This knowledge can aid in predicting ecological patterns of change in wild animal populations.
Researchers emphasize the importance of freshwater corridors in the Amazon for maintaining biodiversity and ecosystem services. The study highlights critical areas that need protection to safeguard healthy rivers and mitigate climate change impacts.
A recent study by University of Washington researchers found that climate 'presses' and 'pulses' have equal importance on Magellanic penguin population survival. The team analyzed nearly four decades of data at Punta Tombo, Argentina, revealing a decline in breeding pairs from 400,000 to 150,000 between the 1980s and 2019.
A new study finds that inadequate pollination leads to a 3-5% loss of fruit, vegetable, and nut production, resulting in 427,000 excess deaths annually from lost healthy food consumption. The health burden is greater in middle- and higher-income countries with high rates of non-communicable diseases.
Eduardo Sampaio joined the Captain Darwin expedition to study octopus behavior and discovered they can recognize themselves in mirrors. The project aims to update Darwin's research style with modern methods, including machine learning and computer vision.
Researchers modelled relationship between plant diversity and environmental conditions, capturing how diversity varies along environmental gradients. The models predict highest concentrations of plant diversity in environmentally heterogeneous tropical areas like Central America and the Amazonia.
A study analyzing historic habitat mapping data in Hamburg found a decline of species-rich habitats due to urbanization, while also revealing the colonization efforts of certain plant species. The research highlights the potential of these datasets for biodiversity research, with trends observed across Germany and Europe.
A study by Martin-Luther-Universität Halle-Wittenberg and the German Centre for Integrative Biodiversity Research found that 41% more plant species in Germany have decreased in abundance over the past 100 years, while only 19% have increased. This uneven distribution of gains and losses indicates a significant loss of biodiversity.
Scientists are conducting a first-of-its-kind study to investigate the origin of psychedelic compounds in fungi, including psilocybin found in 'magic mushrooms'. The research aims to understand the evolution of these compounds and their potential applications in medicine and conservation.
A new study reveals that losing endangered fruit-eating animals in the Atlantic Forest could severely disrupt seed-dispersal networks, leaving plants without an effective means to regenerate. Nearly 55% of specialist plant species rely solely on these frugivores for seed dispersal.
A recent study of Alaskan brown bears reveals that their gut microbiomes play a crucial role in supporting health and achieving comparable size despite eating vastly different diets. The research sheds light on the importance of diverse dietary niches for bears, which can help them extract nutrition from various food sources.
Researchers analyzed 170,000 vegetation plots from all climate zones to find that small areas can have high biodiversity, like Eastern European steppes and Siberia. This challenges the idea of large-scale conservation, as smaller protected zones may be more effective in preserving ecosystems.
Researchers found that in almost two-thirds of cases, agricultural diversity had a positive effect on food security. However, the relationship was mixed or showed no effect in about one-third of cases. The study highlights the importance of preserving agrobiodiversity to ensure food systems can adapt to climate change and other stresses.
Home gardens in Central Asia serve as living genebanks, maintaining a rich diversity of fruit and nut tree species. However, the increasing popularity of foreign varieties poses a threat to local biodiversity, highlighting the need for integrated conservation efforts.
A study by the University of Göttingen and Malagasy universities found that vanilla plantations on fallow land have similar yields to those in forests while increasing biodiversity. This sustainable approach helps smallholder farmers secure their income, highlighting a win-win opportunity for both economy and conservation.
A new study analyzing 72 lakes in four large Neotropical wetlands of Brazil reveals that human impacts on biodiversity compromise wetland multifunctionality. Strong associations between aquatic organism diversity and wetland functioning were found, highlighting the crucial role of species richness in driving ecosystem health.
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.
A recent study by Xi'an Jiaotong-Liverpool University provides a method to help farmers and policymakers decide whether organic farming is beneficial for the environment. The researchers analyzed international studies to find a threshold where organic farming's biodiversity gain outweighs its land requirements.
A conceptual species 'stock market' aims to assign economic value to species and ecosystems, promoting sustainability and biodiversity conservation. The SSM would enable the valuation of ecosystem services and actions that harm or benefit biodiversity, fostering a unified approach to environmental decision-making.
Research found that exposure to drought in previous generations increases complementarity between plant species, making them more resilient to subsequent droughts. This transgenerational effect enhances the sustainability of biodiversity and ecosystem functioning.
Researchers from the University of Tsukuba found that local community perceptions of ecosystem services provided by wild cherry trees can be used for community-based management and conservation. The study revealed notable differences among groups, highlighting the importance of understanding how people perceive the value of symbolic sp...
A new study describes a troglobitic clam species from northern Brazil, characterized by lack of pigmentation and reduced size. The discovery highlights the importance of conserving fragile subterranean habitats threatened by recently amended laws in Brazil.
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.
A study reveals that wild duck, gull, goose, and poultry species play a crucial role in the global spread of bird flu. Ecological divergence among these species contributes to spillover events.
Two new species of Amazonian fish have been discovered and described by Smithsonian researcher Murilo Pastana, one with vibrant red-orange fins and another that is technically a miniature fish. The species are at risk of extinction due to deforestation in the region where they inhabit.
The UN Convention to Combat Desertification's Global Land Outlook 2 report warns that up to 40% of the planet's land is degraded, threatening half of humanity and roughly 1/2 of world GDP. The report offers hundreds of practical ways to restore land and ecosystem health.
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 new study by University College London (UCL) researchers found that climate change and intensive agricultural land use have already led to a 49% reduction in insect populations in the most impacted parts of the world. Insect declines are linked to rising temperatures and land use changes, with tropical areas seeing the biggest declines.
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 genome-based study reveals how Amazonian rivers contribute to bird biodiversity by isolating populations and sparking speciation. The research highlights previously unknown species at risk of extinction due to dynamic river systems.
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.
The EuropaBON project aims to develop a unified approach to monitoring Europe's biodiversity and ecosystems. A list of 15 essential variables has been identified for harmonization across countries, but most are not currently being monitored adequately.
A two-year study shows that even a 4m² space can provide a rich habitat for pollinators and support biodiversity. The mini-meadows attracted an average of 111% more bumblebees and 87% more solitary bees compared to control plots.
A new analysis has identified common demographic and life history traits among species at risk of extinction. The study found that these traits contribute to patterns of vulnerability, with some species exhibiting higher extinction risks due to factors like smaller population sizes and slower reproductive rates.
A new study reveals that roots are the true engine of terrestrial nutrient cycling, driving biodiversity in South Africa's Fynbos and Afrotemperate Forest biomes. The research found that Fynbos plants use thinnest roots to limit nutrient availability for trees, allowing them to outcompete forest species.
A new study examines the toxic impact of bio-based substances and innovative technologies on the environment, finding both biosurfactants and microgels as highly promising candidates for use in sustainable products. The results highlight the importance of integrating green toxicology into bioeconomy strategies.
A team of scientists from Germany, Spain, Australia and Japan discovered a new species of branching marine worm, Ramisyllis kingghidorahi, in Japan. The worm has a unique body shape with one head and multiple posterior ends, living inside the internal canals of sea sponges.
Researchers found animal-dispersed plant species' ability to adapt to climate change reduced by 60% due to bird and mammal losses. Global seed dispersal mapping revealed severe declines in temperate regions, with tropical areas at high risk if endangered species go extinct.
Researchers at West Virginia University aim to develop more precise predictions about the role of individual soil microorganisms in the carbon cycle. They will use stable isotope probing to track carbon uptake and characterize the function of microbes in their natural communities.
Despite over 200 restored wetlands in Denmark, botanical diversity remains low, with only 9.5 species per four square meters found in the studied areas. High nutrient input from agriculture continues to affect plant species dispersal and immigration, making it a significant barrier to increased biodiversity.
Researchers found that global databases revealed a net loss of regional floristic uniqueness due to the spread of alien plants. The study highlighted biogeographic factors like climate distance and anthropogenic factors such as shared administrative history contributing to homogenization of regional floras.
A new global atlas reveals that up to 1.9 million km2 of the world's coastal waters are affected by artificial light at night, with significant impacts on marine organisms. The study uses a novel metric to determine the depth of light penetration and highlights the need for further research into the effects of ALAN pollution.
A new study found that human-caused bird extinctions lead to the loss of ecological roles, including pollination and seed dispersal. Introduced alien species do not fill these gaps, highlighting the disproportionate impact of human actions on biodiversity.
A new study by researchers at the University of Copenhagen found that the greatest increase in marine biodiversity on Earth occurred due to changes in climate cycles, rather than an asteroid explosion. Fossil analysis revealed a shift towards colder climates around 469 million years ago, leading to the blooming of marine life.
Research by Washington University in St. Louis explores the collision of island and mainland adaptive radiations in neotropical anoles, finding that island species can diversify greatly on the mainland. Contrary to traditional thinking, islands are not evolutionary dead ends but rather cauldrons of innovation and diversification.
A study found that 95% of fungal species on Earth remain undescribed, leading to inconsistent regulations and potential health risks. The researchers tested 16 food products labeled as containing 'wild mushrooms' and discovered most consisted of cultivated species, including poisonous varieties.
A new study reveals that just 42% of nations have expanded their scientific understanding of bird species distributions in the last decade. The researchers developed two new metrics to assess biodiversity data coverage and effectiveness, finding that regions like Asia and South America are closing knowledge gaps.
Researchers develop Composite Urban Quietness Index to measure sound diversity of quietness, aiming to provide a new understanding of comfortable quiet. The study reveals that high-intensity sound and silent acoustic environments can cause stress, highlighting the need for quantifiable characteristics of quietness.
The researchers proposed five strategies to address colonial legacies in ecology: decolonizing the mind, understanding history, increasing access to information, recognizing diverse expertise, and establishing inclusive teams. These strategies aim to challenge biases and promote a more ethical approach to ecological research.
A new study led by Swansea University and the University of Bristol has revealed the size of Megalodon, including its massive fins. The shark's estimated body length is 16 meters, with a head diameter of 4.65 meters.
The study reveals that Asgard archaea, particularly the newly identified phylum Gerdarchaeota, are involved in degrading various substrates such as amino acids and ethanol. They also participate in aerobic respiration, converting substrates into acetyl-CoA.
A study found that increasing crop diversity in agricultural landscapes reduces aphid populations and decreases the need for pesticides. This is because natural enemies of aphids, such as ladybirds and spiders, have better living conditions in diverse landscapes.
The Ecological Society of America (ESA) is launching efforts to train ecologists in effective public engagement. The annual meeting will feature workshops, sessions, and a social event to promote knowledge sharing and networking among scientists who prioritize public engagement.
A University of Liverpool study found that ant colour and size are strongly influenced by their environment, with larger bodied ectotherms with dark colouration thriving in cold places. The study also revealed that ants adapt to changing temperatures by shifting from darker to lighter colours and smaller body sizes.
Researchers at University of Groningen find self-replicating molecules that diversify into distinct sets, sparking debate on life's molecular roots. The study reveals a process similar to biological speciation, but occurring at the molecular level.
In a study of Bahamas mosquitofish, female genitalia evolve to show 'no means no' to predators and interbreeding males. Females in areas with high predation risk have smaller genital openings, while those without predation risk have larger, more oval-shaped openings.
A study from University of California, Davis, found that forest disturbances like wildfire and thinning are replacing understory plants with those from more southern areas, such as Mexico and Southern California. This shift is driven by climate change, leading to a potential increase in forest diversity.
The Ecological Society of America has received an NSF grant to support a three-pronged approach to increase diversity within the ecological field. The grant will fund activities that guide students to identify ecology as a viable career option and develop a sense of personal connection with science.
Two 160 million-year-old fossils of Agilodocodon scansorius and Docofossor brachydactylus provide evidence of early mammalian ecological diversity. These ancient mammals had adaptations for arboreal and subterranean lifestyles, suggesting genetic mechanisms operated long before modern mammals.
Ian T. Baldwin, Max Planck Institute for Chemical Ecology director, was elected to the US National Academy of Sciences and German Leopoldina for his work in plant ecology and gene function research. His studies have uncovered molecular mechanisms by which plants survive adverse environmental conditions.