Articles tagged with Plant Ecology
A new UC Riverside study finds that the timing of rainfall is crucial for drought-stricken plants, with summer rains resulting in higher plant biomass. In contrast, winter rains have less impact on plant growth and may lead to negative effects.
A team of researchers discovered that a single gene, AOP2, plays a critical role in maintaining species diversity in an ecosystem. The study found that mutations at this gene can dramatically alter the structure and function of an ecosystem.
Researchers used camera traps to monitor interactions between Panama's epiphytic Zamia pseudoparasitica and animals, revealing that a nocturnal tree-dwelling mammal called northern olingos may be responsible for seed dispersal. The study sheds light on the plant's persistence in the forest canopy.
A new analysis from Emory University reveals a significant increase in the parasitism rate of monarch butterflies over 50 years, with the O.E. parasite infecting up to 10% of eastern monarch populations. The rise in infection rates may endanger the mass migration of monarchs, threatening their survival.
Researchers found that forest trees with a mix of both ectomycorrhiza and arbuscular mycorrhiza had the greatest tree diversity, contradicting previous beliefs. This discovery highlights the importance of considering the coexistence of different mycorrhizal strategies in promoting plant biodiversity.
A study by Newcastle University found that a 1.5°C increase in temperature reduces food resources for pollinating insects, causing them to visit a wider range of plants and altering seed production in some wildflowers. This change leads to more complex food web dynamics.
A new global dataset reveals approximately 73,000 tree species, highlighting the vulnerability of global forest biodiversity to climate change and land use. The research, led by Professor Andy Marshall, also identifies a 'hot spot' of likely undiscovered species in northeast Australia and the Pacific Islands.
Researchers found that trees that induce defense mechanisms against herbivores attract more predators, reducing insect abundance. This defense is critical for tree canopies and promotes biodiversity.
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.
Researchers identified global factors explaining plant diversity in form and function, influenced by climate and soil properties. Characteristics such as size, structure, and life span were shown to be determined by these factors.
Seagrass wasting disease, caused by warming waters, compromises roots and storage sugars, setting up plants for a harder winter. The disease affects eelgrass meadows, vital nutrient stores, and supports herring, salmon, and other marine life.
A new study by Graz University of Technology reveals that domesticated apple crops have inherited microbiomes similar to their wild ancestors, providing a basis for developing more resilient and healthy crops. The research also suggests that targeted introduction of microorganisms could increase plant resistance to climate change.
Aspen recovery in Yellowstone National Park has been found to be less robust than previously believed due to biased sampling methods. Random sampling of all young aspen within a stand revealed a slower rate of recovery compared to the five tallest young aspen, which were used in previous studies.
Scientists have investigated the sporulation potential of Phytophthora ramorum on common California plant species. Most species produced spores, with bay laurel and tanoak producing significantly more than others. This study helps predict disease trajectories and informs forest treatment plans.
Researchers discovered that an insect digestive enzyme removes sugar from a plant defense compound, promoting larva growth on dandelion plants containing the compound. This process also leads to the larva avoiding plants with high concentrations of the compound.
A study by Okayama University researchers validates the 'pre-emptive selfing hypothesis,' proposing self-pollination as a survival strategy for coexistence. The findings show that evolution of prior selfing favors the propagation of inferior competitive plant species, leading to long-term coexistence.
Researchers at Aarhus University have discovered that ants excrete chemical compounds that effectively inhibit plant pathogens, offering an alternative to current pesticides. The study suggests that applying ants and their chemical defenses could protect agricultural plant production.
A recent global study on river ecosystems found that biodiversity loss can significantly impact the functioning of pristine water courses. The study, conducted by an international research network, revealed that alterations to ecosystems have severe and region-specific consequences.
Researchers reconstructed the oldest known form of roots in a 407-million-year-old plant fossil, revealing a complex branching system that differed from modern plants. This discovery provides insight into the evolution of early land plants and their impact on the environment.
Chlorophyll fluorescence tracks photosynthesis rate, providing an 'optical window' for monitoring plant health. Recent advances enable estimation and imaging of SIF at ecosystem scales, paving the way for applications in precision agriculture and ecology.
A Rutgers-led study puts duckweed, a tiny freshwater floating plant, as an excellent laboratory model for discovering new strategies for growing hardier and more sustainable crops. The study suggests that duckweed's unique characteristics make it an ideal platform to discover novel strategies for improved plant growth.
A study at the University of São Paulo found that bird species interacting with more plant species have higher evolutionary stability. This is because they occupy central positions in seed dispersal networks, leading to longer lifespans and increased species accumulation.
In Ecuador's northwestern Andes, researchers from WSL and Aves y Conservation identified three new endemic orchid species, including Lepanthes microprosartima and Lepanthes caranqui. These rare species are threatened by habitat destruction and human activities, prompting conservation efforts to protect them.
A long-term study in Elkhorn Slough found that superabundant crabs weaken tidal creek banks, reducing marsh plant growth and increasing erosion. Reducing crab abundance led to increased salt marsh vegetation growth and enhanced sediment density.
A new study by the University of Sussex reveals that natural selection leads to fluctuations in nectar supply and demand due to changes in pollinator populations. When pollinators are scarce, flowers produce more nectar to outcompete others, but when they're abundant, less nectar is needed.
A study by UC Santa Barbara's Marine Science Institute found that understory algae can't compensate for the lost productivity of giant kelp in kelp forests. The researchers discovered a gradual reduction in canopy productivity and an exponential increase in understory algae productivity over 10 years.
Researchers found that climate warming decreases fungal species and changes community composition, especially in autumn, with only minor impact from tree genes. Fungal communities change significantly as leaves age and the season progresses.
A new study published in Nature Ecology & Evolution reveals that root traits can explain plant species distributions across the planet, challenging the nature of ecological trade-offs. The research found that thick and dense roots are more common in warm climates, while thin and low-density roots are more common in cold climates.
A recent study found that plant scientists tend to favor visually striking plants in their research, regardless of ecological importance. The study analyzed 113 plant species and found a strong correlation between research focus on certain plant characteristics and attention.
Common generalist plants and pollinators play a crucial role in maintaining biodiversity and serving as buffers against climate change impacts. A study by University of Colorado Boulder researchers found that these species can persist over time and across landscapes, supporting robust communities and resilience to local extinctions.
Researchers discovered that goldenrod plants respond to gall fly sex pheromones by priming their chemical defenses, reducing gall formation, but varying effects depending on male fly age. Younger males result in fewer galls, while older males yield more galls.
A new study published in Nature Ecology and Evolution found that plants and animals share similar patterns of niche evolution in response to climate change. The research analyzed climatic data from 952 plant species and 1,135 vertebrate species, revealing that both groups have a narrow breadth of tolerated environmental conditions.
A recent study by botanist Cody Coyotee Howard uncovered two ranges of optimum bulb diameter driven by natural selection, with larger bulbs thriving in warmer climates. The research has significant implications for understanding plant evolution, agriculture, and horticulture.
Research found that plantains, a small plant native to Europe, have become one of the world's most successfully distributed species by adapting in unconventional ways. The study revealed that multiple introductions into new environments led to high genetic diversity and adaptability, making invasive plants more successful.
Researchers explore chemodiversity in plants to understand its impact on ecosystems, including foodwebs and biodiversity. The new Research Unit will analyze chemodiversity within individual plants, between populations, and across species.
A global archaeological assessment reveals that prehistoric humans had a substantial impact on Earth's landscapes by 3,000 years ago. The 'big-data' approach to understanding human legacy on Earth suggests an early and widespread effect of human activity on the environment.
A recent study found that wildfires disrupt night-time pollination processes by moths, leading to a decrease in the abundance and diversity of moth species. The research also showed that the loss of host plants due to fire can lead to significant changes in the moth community.
A recent study reveals that non-native wetland plants have a broader ecological footprint, taking over regions and negatively affecting bird and insect populations. Dominant non-natives outcompete native species, reducing species richness and abundance more than dominant natives do.
A team of researchers has found that plant dispersal ability is linked to their life cycles, with faster life histories resulting in greater seed dispersal distances. This understanding can inform our knowledge of global changes and landscape fragmentation's impact on biodiversity.
A new study reveals that at least 114 plant species from around the world are capable of prolonged dormancy as adult plants, enabling them to survive through difficult times. This behaviour allows them to overcome short-term disadvantages and extend their lives.
A study by the University of Sussex reveals that climate change is altering the timing of events in the interdependent relationship between a rare orchid species and the Buffish Mining-bee. The research shows that rising temperatures are causing an increase in years where the sequence of events needed for successful pollination does no...
Many Midwestern retailers are selling oriental bittersweet, an invasive species, as native American bittersweet. Researchers found that 54% of plants labeled 'American bittersweet' were actually oriental bittersweet, which can outcompete and harm the native plant.
Climate change is causing bristlecone pine trees to lose ground to limber pine as they race up the tree line in the Great Basin. The study found that limber pine is successfully 'leapfrogging' over bristlecone pines, taking valuable space for them to germinate.
A comprehensive analysis reveals that changes in daytime versus nighttime leaf-to-air temperatures are crucial determinants of geographic gradients in leaf size. The study's findings have significant implications for predictive modeling and understanding ecosystem functioning, particularly in response to changing climate conditions.
Researchers found that even a tiny dose of pesticide can impair leaf beetles' ability to reproduce, with females developing malformations and offspring laying fewer eggs. The study's results may also be transferred to other insects, highlighting the need for long-term consideration in herbicide authorization.
A recent study explores the species-area relationship and volume-species relation, finding that higher canopies are associated with more plant species due to increased biospace. This correlation is observed across different climate zones, suggesting a fundamental role in ecology.
The Fine-Root Ecology Database (FRED) brings together information on plant root traits and associated data from around the world, containing over 70,000 observations. This centralized online resource aims to predict how plants may change under various conditions, advancing our understanding of below-ground ecology.
Researchers study plant perception through mycorrhizal networks and 'social' interactions with other plants. A new special issue offers a holistic view of plant biology, providing insights into their behavior and ecological understanding.
The study found that fungi change the nutritional and medicinal chemistry of milkweed leaves, affecting monarch caterpillars' susceptibility to parasitic infections. The dosage and nutrient phosphorous levels also play crucial roles in determining the outcome.
Researchers discovered that plants with C4 photosynthesis can thrive in a range of ecological conditions, increasing productivity in warm and dry environments. This innovation allowed the rapid colonization of three continents by the unique grass Alloteropsis semialata.
A McGill University study found that insecticides can alter the behavior of individual spiders, including their ability to capture prey and explore new territories. The effects on male and female spiders were also distinct, with females being more affected in their ability to capture prey.
Historians re-examined the concept of ecological succession and found that forensic examiners recognized its predictability in carrion-arthropod succession by the late 1800s. This discovery predates plant ecology's widely cited examples from the early 1900s, highlighting multiple independent discovery.
Researchers found differences in grasshopper types and numbers between undisturbed and post-agricultural woodlands, challenging conventional ecological wisdom. The study suggests new strategies are needed to promote ecological recovery in disturbed environments.
The BMC Ecology Image Competition showcases intimate moments of animals and plants, revealing their private lives. The competition captured stunning images of ecological interactions, including a Namaqua Rock Mouse pollinating the Pagoda Lily and an albatross feeding her chick.
A new study recommends a tailored approach to seed collections, collecting from a wide area and about 25 maternal plants per population to capture genetic diversity. This method can preserve more rare genes than traditional one-size-fits-all approaches, potentially saving rare plant species from extinction.
Researchers found that plants produce more defensive chemicals when exposed to caterpillar feeding vibrations, repelling future attacks. The plants distinguished between feeding vibrations and other environmental sources, highlighting their ability to detect insect threats.
A new study found that migratory birds are responsible for spreading plant species across the Americas, with seeds trapped in their feathers offering clues to plant distribution between hemispheres. The research provides critical insight into the ecology and evolution of plants represented across both continents.
Scientists have found that Borneo's dipterocarp trees produce wood faster than their neighbors and other tree species in the Amazon, with average differences of 3.2 tons per hectare per year. This unique trait may be linked to their ability to tap into scarce nutrient resources or trade-off growth for other plant parts.
Alpine plants show genetic differences in appearance and features due to Ice Age climate changes, highlighting their adaptability to environmental conditions. The study discovered variations within species are partly driven by natural selection, with plants adapting to shorter growing seasons.