Articles tagged with Predation
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Two scientists call for a large-scale trial of a 'ceiling' on hen harrier numbers in grouse moors to end long-standing conflicts. The proposal aims to find a compromise between conservationists and grouse managers, while also improving the conservation status of harriers.
A UC Riverside study shows that killing prey has both direct and indirect effects on ecosystems, leading to evolutionary changes in prey populations. The research found that prey adapt to food availability as well as the presence of predators, resulting in more food available to survivors.
A new study published in PLOS ONE found that bears' selective feeding habits on salmon with less signs of senescence accelerates the aging process in these fish. The research suggests that predation pressure is a primary driver of senescence, rather than the physical characteristics of the prey.
In Cameroon's Waza National Park, people have learned to coexist with lions, weighing the benefits of closer grazing against the risk of losses. Researchers found that despite the risks, herdsmen continue to live near the park due to improved access to pastures and water.
Researchers found a correlation between predation intensity and global marine biodiversity, with increased predation rates preceding changes in armor morphology. The study suggests that ecological interactions may drive evolution, with predators driving diversity through drilling and repair scars.
Researchers found that wolves target areas with accessible refuge for elk during winter months when fat reserves are low. Landscape features like proximity to roads and snowy areas play a significant role in wolf-elk interactions.
In a study of fiddler crabs, researchers found that females prefer males with hood-like sand castles as these signals help them avoid predators while sequentially visiting and assessing potential mates. This new understanding highlights how the ecology of choosing a mate can shape sexual communication.
Research by Jorgen Johnsson and Fredrik Sundström found that naive fish benefited from the skills of pre-trained group mates despite having outdated knowledge on predation risk. Social learning improved foraging success, suggesting it can be a beneficial strategy even in uncertain environments.
Research shows tadpoles respond more conservatively to predator cues during the day, but return to feeding quickly at night due to higher growth rate-to-predation risk ratio. This study highlights the importance of considering both external and internal factors in understanding prey behavior.
Male guppies with rare color patterns have a highly significant survival advantage in the wild, surviving at 84% rate compared to 69% for common-patterned males. This phenomenon is linked to frequency-dependent survival, where rarity confers an advantage over common variants.
Researchers found that left-handed snails are less frequently attacked by right-handed crabs, leading to increased survival rates. This advantage is likely due to the specialized tooth on the crab's right claw, which is designed for opening shells, making it harder for the crab to access the left-handed snail's shell.
A study finds that US sheep industry decline is linked to market trends, not predation losses, contradicting decades of federally subsidized predator control efforts. The study's findings suggest re-evaluation of federal funding for predator control in the sheep industry.
A study of fossilized brachiopod shells reveals that predators were a constant threat throughout the Paleozoic Era, with subtle increases in predation traces suggesting escalating predation pressures. The findings suggest that marine ecosystems have become increasingly hostile to survival, consistent with macroevolutionary models.
A new study published in the Royal Society journal found that managing GM herbicide tolerant sugar beet crops can increase yields while reducing herbicide use. The research also shows that single glyphosate applications can enhance weed seed production, benefiting wildlife.
The study suggests that the fear of wolves among herbivores influences vegetation growth in Yellowstone. Restoration goals should focus on recovering natural processes, rather than managing specific species. The findings have implications for other regions with similar ecological dynamics.
A biologist studied the tree hole ecosystem and found that changing factors such as predation, resources, and disturbance alters community composition. The results show that certain species are tolerant of predators, disturbances, or competition, allowing them to coexist in different spatial scales.
A study by Bruce Patterson found that lion attacks increase during wet seasons when traditional prey disperses, making livestock more vulnerable. Implementing a seasonal stocking plan can reduce losses by quartering livestock only during the dry season and taking them to market before the rains.
Researchers found that common raven populations in the western Mojave Desert have exploded by 1,500 percent, posing a significant threat to young desert tortoises. The study used artificial baits to assess risk of predation and mapped areas with high predation risk, highlighting the importance of safe refuges for tortoises.
Research reveals that the removal of great whales from the North Pacific Ocean led to a domino effect of ecosystem impacts. Killer whales preyed on other marine mammals, causing devastating effects on ecosystems.
A field study found that spiders ambushing pollinating insects decrease seed production in flowers. Ecologist Kenwyn Suttle suggests these interactions are common and overlooked by biologists. The research supports the idea that predation on pollinators can impact plant reproduction.
Caterpillars reared in close contact with their own waste do not suffer ill effects. Selection by natural enemies likely drove the evolution of frass ejection behavior in skipper caterpillars to avoid wasp predation.
Researchers found that three-dimensional spider webs reduce predation by mud-dauber wasps, allowing spiders to thrive in safer environments. This escape from predation is accompanied by a significant increase in spider species diversity and abundance.
Golden eagles colonized Santa Cruz Island due to an abundance of feral piglets, preying on island foxes and decimating their population. Skunk populations are booming as a result, thanks to reduced competition from foxes.
A recent study by Tsou and Collie found that predation is a dominant source of mortality in the Georges Bank fish community. The most important predators are cod, silver hake, sharks, and rays, which have replaced groundfish as the dominant fish eaters in more recent years.
A recent study found that warmer water temperatures in Narragansett Bay result in 10-16% fewer winter flounder larvae surviving to the metamorphosis stage. The increase in temperature also affects the availability of food for higher-level organisms, leading to increased predation rates.
Researchers are investigating the predation habits of Nanomia cara, a gelatinous midwater animal, in the Gulf of Maine. The study aims to determine how this species affects food availability for young cod and other commercially important fishes.