• In addition, C. gattii was isolated from the wheel wells of vehicles on Vancouver Island and the mainland and on footwear, consistent with anthropogenic dispersal of the organism. (cdc.gov)
  • They also found it on their footwear, indicating that anthropogenic dispersal of the organism is probably occurring. (cdc.gov)
  • Greene DF, Johnson EA (1989) A model of wind dispersal of winged or plumed seeds. (springer.com)
  • Other types of dispersal are due to external agents, which can be other organisms, such as animals (zoochory), or non-living vectors, such as the wind (anemochory) or water (hydrochory). (wikipedia.org)
  • Birds contribute to seed dispersal in several ways that are unique from general vectors. (wikipedia.org)
  • Birds act as dispersal vectors for its other types as well. (wikipedia.org)
  • Dispersal Vectors is a game that simplifies systems found in nature into playable diagrams. (armorgames.com)
  • Dispersal Vectors was developed by TheSheepsMeow . (armorgames.com)
  • Specific focus is placed on entomophilous plants, which require insects as dispersal vectors and generally produce lower quantities of pollen, compared with anemophilous (wind-pollinated) species. (cdc.gov)
  • The main groups include dispersal by birds (ornithochory), dispersal by ants (myrmecochory), dispersal by mammals (mammaliochory), dispersal by amphibians or reptiles, and dispersal by insects, such as bees. (wikipedia.org)
  • In a comparative approach using myrmecophytes (ant-plants) and closely related non-myrmecophytic plant species, the function of defending ants as well as insect pollinators and herbivores on endophyte dispersal will be analyzed in a Peruvian lowland tropical rainforest. (europa.eu)
  • Raman, A.] -- PART 3: POLLINATION AND SEED DISPERSAL -- Ants as Pollinators of Plants and the Role of Floral Scents. (epa.gov)
  • Seed and cones traits were mapped onto two recent phylogenies to help reveal the evolutionary history of seed dispersal syndromes. (springer.com)
  • Diaspora traits show significant phylogenetic signal, with greater dispersal reversal observed in Gnaphalieae, Astereae, and Senecioneae, which together represent 72% of the species. (weadapt.org)
  • The seed dispersal mode of each species was determined based on published literature, the Kew Seed Information Database (http://data.kew.org/sid/) and the fruit and seed morphological traits. (plant-ecology.com)
  • The knowledge of evolution of dispersal traits is important for understanding of plant distribution and long-term persistence of species in fragmented landscape. (cas.cz)
  • Studies on evolution of dispersal traits are, however, still largely missing. (cas.cz)
  • Such evolution can be studied by integration of species dispersal traits to their phylogenetic tree and by observing which traits are conservative and thus independent on selective pressures and which traits have a potential to evolve in a new environment. (cas.cz)
  • My educational and professional background have given me experience in surveying plants and insects in both field, common garden and green house conditions, and experience in quantifying plant functional traits, working with quantitative ecological methods in R and in ArcGIS. (lu.se)
  • These dispersal units can range from pollen to seeds to fungi to entire organisms. (wikipedia.org)
  • Active dispersal involves pollen, seeds and fungal spores that are capable of movement under their own energy. (wikipedia.org)
  • Autochory is the dispersal of diaspores, which are dispersal units consisting of seeds or spores, using only the energy provided by the diaspore or the parent plant. (wikipedia.org)
  • In some cases, ballochory can be more effective when combined with a secondary dispersal vector: ejecting the seeds or spores in order for them to use wind or water for longer distance dispersal. (wikipedia.org)
  • In seed dispersal, ingestion of seeds that that can resist digestive juices allows such seeds to be scattered in faeces and dispersed far from the parent organism. (wikipedia.org)
  • These seeds may then be later deposited in a process called diplochory, where a seed is moved by more than one dispersal agent. (wikipedia.org)
  • Related plants often produce seeds that are dispersed in very different ways, raising questions of how and why plants undergo adaptive shifts in key aspects of their reproductive ecology. (springer.com)
  • A group of 29 researchers associated with the Network, lead by Carolina Tovar (Royal Botanical Garden, Kew), has published a study that analyzes how the most common plants of the páramos and punas manage to overcome geographical barriers to disperse their seeds. (weadapt.org)
  • Dispersal investment is related to the distances that plants can propagate their seeds, and is therefore a key element in maintaining species populations. (weadapt.org)
  • But these barriers are not permanent over time, and it is possible that climate change affects them, so it is key to know the different strategies that Andean plants have to overcome them and disperse their seeds. (weadapt.org)
  • LOGAN, UTAH, USA - Though mostly rooted in the ground, plants have a number of innovative ways to disperse their seeds and get on with the business of propagation. (eurekalert.org)
  • Our analyses revealed plant life-history strategies are largely explained by growth, survival and reproduction, and by how far plants disperse their seeds," says Beckman, assistant professor in USU's Department of Biology and the USU Ecology Center. (eurekalert.org)
  • Any plants that emerge in alfalfa will be mowed before they can produce seeds, and most of the relatively short-lived seeds will die during the sod phase of the rotation. (sare.org)
  • The writeup said that it was astonishing how many plants sprouted from the seeds the dog picked up. (proteacher.net)
  • Species diversity in communities of interacting organisms is thought to be enhanced by dispersal, yet mechanisms predicting this have little to say about what effects differing rates of dispersal have on diversity and how dispersal affects diversity at larger spatial scales. (uchicago.edu)
  • While knowledge of the biodiversity and biogeography of endophytes is rapidly increasing, the mechanisms that maintain their diversity and control their dispersal among plants in natural ecosystems are widely unknown. (europa.eu)
  • This project will use state of the art techniques in molecular community ecology and dispersal modeling and will address important questions of wide relevance for general distribution mechanisms of fungal endophytes. (europa.eu)
  • Recent Cryptococcus gattii infections in humans and animals without travel history to Vancouver Island, as well as environmental isolations of the organism in other areas of the Pacific Northwest, led to an investigation of potential dispersal mechanisms. (cdc.gov)
  • C. gattii dispersal by these mechanisms may be a useful model for other emerging pathogens. (cdc.gov)
  • These findings indicated that, in contrast to a previous report ( 7 ), the Strait of Georgia/Juan de Fuca does not form a geographic barrier to C. gattii dispersal and that mechanisms for the dispersal of C. gattii exist in the Pacific Northwest. (cdc.gov)
  • We investigated potential mechanisms for C. gattii dispersal and transmission within the Pacific Northwest region, given recent indications of an expanding distribution. (cdc.gov)
  • An improved understanding of the mechanisms of dispersal and the risk of exposure to C. gattii could facilitate a model to effectively manage the emergence of cryptococcal and other infectious diseases in previously non-disease-endemic areas. (cdc.gov)
  • Their paper is part of a special British Ecological Society cross-journal feature that provides an overview of forces and mechanisms producing worldwide plant and animal diversity. (eurekalert.org)
  • My research interests include biodiversity and ecosystem functioning, investigating the mechanisms that mediate multitrophic interactions among insects, plants and associated biotic and abiotic factors. (lu.se)
  • A dispersal vector is an agent of biological dispersal that moves a dispersal unit, or organism, away from its birth population to another location or population in which the individual will reproduce. (wikipedia.org)
  • Animals are an important dispersal vector because they provide the ability to transfer dispersal units longer distances than their parent organism can. (wikipedia.org)
  • In plants, some dispersal units have tissue that assists with dispersal and are called diaspores. (wikipedia.org)
  • This study will be the first ever to examine the dispersal ecology of fungal endophytes among plants while considering the function of mutualistic and antagonistic insects in a natural ecosystem. (europa.eu)
  • PART 2: INSECTS INTERACTIONS -- The Leaf Cutting Ant-Plant Interaction from a Microbial Ecology Perspective. (epa.gov)
  • A particular outstanding phenomena are the carnivorous plants that have developed trapping and digesting systems of insects and higher animals. (epa.gov)
  • To get rid of the troublesome invertebrates, green thumbs can pick them off plants by hand and attract predatory insects such as ladybugs, lacewings, and parasitic wasps. (yahoo.com)
  • These results offer an excellent set of predictions which we used in the present study to test whether current genomic diversity is better accounted for by processes involving a Single major Dispersal (hereafter: SD) or Multiple major Dispersals (hereafter: MD) from Africa. (biorxiv.org)
  • and that regional diversity may be either unaffected or negatively impacted by dispersal because dispersal tends to homogenize local communities. (uchicago.edu)
  • Finally, results are ambiguous as to what happens at larger scales, with studies finding either declines or no change in regional diversity with dispersal. (uchicago.edu)
  • Taken together, these results reveal that dispersal has a complex, spatially contingent relationship with patterns of species diversity. (uchicago.edu)
  • Specifically the concerted functions of mutualistic and antagonistic plant-insect interactions on endophyte diversity and dispersal are little understood. (europa.eu)
  • Applying next generation sequencing of endophytes from plant and insect samples collected at the study site together with isolating living endophytes for morphological and molecular characterization will permit the novel analysis of environmental and evolutionary factors influencing the diversity and community composition of these cryptic organisms. (europa.eu)
  • Movement of individual plants affects genetic diversity and species' capacity for adaptation," Beckman says. (eurekalert.org)
  • With analytical tools, we can examine these consequences on plant performance, spatial patterns, population spread and biodiversity. (eurekalert.org)
  • I also develop models to help managers control invasive plants and enhance biodiversity. (lu.se)
  • This demonstration illustrates one method of plant disease spread, water splashing of fungal spores or bacterial cells. (apsnet.org)
  • My work focusses on the importance of local processes (dispersal, biotic interactions) for the spatial dynamics of species (invasive plants, range-shifting species). (lu.se)
  • In plants, pollen-mediated exchanges affect the sorting of alleles across physical landscapes and influence rates of hybridization. (whiterose.ac.uk)
  • Male sterility (MS) is the result of non-functional pollen in plants (Chen and Liu, 2014). (academicjournals.org)
  • 2009). The Animal and Plant Health Agency (2016) in its Technical Standard Supplements laid out 1000 m isolation distance from any pollen source of genus Beta for producing basic or certified seed. (academicjournals.org)
  • Within the context that complete pollen avoidance is unrealistic, the work group introduces selection criteria, avoidance strategies, and guidance on low-allergenic plants that could be selected by patients to reduce the overall pollen burden in their landscape environment. (cdc.gov)
  • At least ten exotic plant species threaten the parks' native species and ecosystems. (nps.gov)
  • Some exotic plant species disrupt ecosystems by altering natural processes, by outcompeting native species, or by changing the environment so that natives no longer can reproduce. (nps.gov)
  • An archipelago bordering the Fennoscandian landmasses also supported continental ecosystems comprising ferns, conifers and early flowering plants, with dinosaurs, pterosaurs and non-marine turtles. (lu.se)
  • Although the general picture is getting clearer, many aspects of these processes are still poorly understood, starting from the timing and the modes of AMH dispersal. (biorxiv.org)
  • Building on established community resources, duckweed is reemerging as a platform to study plant processes at the systems level and to translate knowledge gained for field deployment to address some of society's pressing needs. (osti.gov)
  • Living plants and pathogens are not required, and neither is water. (apsnet.org)
  • The reasons for the emergence of this new disease are not clear, but there are several hypotheses around, including importation of tropical plants and perhaps global warming. (cdc.gov)
  • Kociolek, J. P.] -- PART 5: PLANT DEFENSES -- Biochemical Plant Defenses Against Herbivores: From Poisons to Spices. (epa.gov)
  • Global changes, such as climate change or landscape fragmentation, that disrupt dispersal have consequences. (eurekalert.org)
  • The scientists found dispersal ability is related to fast life histories with maximum dispersal distances positively related to high reproductive rates, a long window of reproduction and a low likelihood of escaping senescence or growing old. (eurekalert.org)
  • Results also suggest that investment in diaspore dispersal is likely to shape species distribution patterns in naturally fragmented habitats. (weadapt.org)
  • Davidson DW, Morton SR (1984) Dispersal adaptations of some Acacia species in the Australian arid zone. (springer.com)
  • Seckbach, J.] -- List of authors and their addresses -- PART 1: EVOLUTION -- Evolution of Plant-Animal Interactions. (epa.gov)
  • Iluz, D.] -- Insect-Plant Interactions: The Gall Factor. (epa.gov)
  • Landau, S.Y. and Molle, G.] -- Herbivore - Plant Interactions And Desertification In Arid Lands. (epa.gov)
  • D'alelio, D. et al] -- Managing the Interactions Between Plants and Animals in Marine Multi-Trophic Aquaculture: Integrated Shrimp and Valuable Low Food Chain Organisms with Seaweeds. (epa.gov)
  • Cette thèse a comme objectif général d'approfondir notre connaissance des déterminants environnementaux de la fécondité des arbres forestiers et de leurs interactions, en se focalisant sur le chêne vert, une espèce très répandue en milieu méditerranéen. (cnrs.fr)
  • This greatly affects seed dispersal outcomes as carnivores range widely and make dispersed populations have more connected genes. (wikipedia.org)
  • At the top of the list of plants that support various species of flies, moths, bees, hornets and butterflies from Labor Day well past the equinox are the asters, a large and diverse collection of wildflowers as much a part of late summer and early autumn as ripening apples, the sound of crickets and developing flocks of birds. (adirondackalmanack.com)
  • Their tiny size, rapid growth by clonal propagation, and facile uptake of labeled compounds from the media were attractive features that made them a well-known model for plant biology from 1950 to 1990. (osti.gov)
  • I obtained my MSc in Conservation Biology at Lund University and I received my PhD education in Plant Protection Biology at The Swedish University of Agricultural Sciences. (lu.se)
  • Friedman WE, Carmichael JS (1996) Double fertilization in Gnetales: implications for understanding reproductive diversification among seed plants. (springer.com)
  • Potential biological, ecological, economic, and human health threats posed by exotic plant species are determined by reviewing pertinent literature and networking with colleagues regarding life form, reproductive patterns, methods of spread and other factors. (nps.gov)
  • The impact of sown flower strips on plant reproductive success in Southern Sweden varies with landscape context. (lu.se)
  • Seed dispersal by seed-caching rodents is common in North America and appears to have evolved several times, but this syndrome is absent form other continents. (springer.com)
  • The evolutionary history of Ephedra in North America suggests that the means of seed dispersal has been malleable. (springer.com)
  • The article, "Investment strategies in diaspore dispersal in Compositae: the case of the Andean highlands", has been published in the journal Annals of Botany. (weadapt.org)
  • Mountains are like islands in the sky, separated by geography and climate, so plant dispersal strategies are a key element in maintaining populations. (weadapt.org)
  • Strategies of diaspore dispersal investment in Compositae: the case of the Andean highlands. (weadapt.org)
  • To that end, Beckman, with colleagues James Bullock of the United Kingdom's Centre for Ecology & Hydrology and Rob Salguero-Gómez of the University of Oxford, used the massive COMPADRE Plant Matrix Database, an online repository containing demographic information about thousands of plant species throughout the world, to analyze hundreds of disparate datasets of plant life-history strategies. (eurekalert.org)
  • and for revealing potentially novel strategies in plant defense and genome maintenance. (osti.gov)
  • Allergists are often asked for guidance but few information sources are available to aid patients in the recognition of allergenic plants and strategies to avoid personal exposure to them. (cdc.gov)
  • Results Here we show that accurate genomic estimates of the divergence times between European and African populations are more recent than those between Australo-Melanesia and Africa, and incompatible with the effects of a single dispersal. (biorxiv.org)
  • The contrasting ecotypes of A. angusta can thus use each other as a gateway to new locations across a large part of Africa, showing that hybridization can facilitate the geographical dispersal of distinct ecotypes of the same grass species. (whiterose.ac.uk)
  • Long-distance dispersal operates over areas that span thousands of kilometres, allowing it to promote rapid range shifts and determine species distributions. (wikipedia.org)
  • The details of the dispersal routes, and the relationships between fossils and contemporary populations, are all but established. (biorxiv.org)
  • Nous avons développé des expertises en biologie et génétique des populations. (uclouvain.be)
  • Le taux d'allogamie peut être estimé en populations naturelles en utilisant des marqueurs co-dominants (microsatellites). (uclouvain.be)
  • Nous suivons en parallèle la génétique des populations végétales: structure et diversité y compris à l'échelle du clone- individu, flux de gènes, tests de paternité. (uclouvain.be)
  • The invasive plant sometimes called dog-strangling vine doesn't harm pets, but it lives up to its name as a strangler, choking out native wildflowers as well as Christmas tree plantations and fields of prime alfalfa. (adirondackalmanack.com)
  • Despite this, the issue of nonstationarity has been little explored in the context of plant health. (bvsalud.org)
  • Compared to the adjacent vegetation types, the mounds were floristically distinct and functionally more balanced in growth forms, dispersal syndrome, and tolerance to waterlogging. (scielo.br)
  • The stem of mature plants are woody but moderately soft and weak. (nparks.gov.sg)
  • Woody plants were recorded on the mounds but not in the matrix, although the two communities share some ground layer species. (scielo.br)
  • The fruit type spectrums of woody plants, herbs and lianas in communities were not significantly different. (plant-ecology.com)
  • The seed dispersal mode spectrum of woody plants, herbs and lianas in the communities of Shilin Geopark were not significantly different from each other. (plant-ecology.com)
  • Just like humans, plants are susceptible to diseases caused by microorganisms, including (from smallest to largest in size) viroids, viruses, phytoplasmas, bacteria and fungi. (apsnet.org)
  • Highly diverse communities of endophytic fungi ― fungi that colonize plant tissues without causing symptoms of disease ― live cryptically in all higher plants ranging from mosses to flowering plants. (europa.eu)
  • The largest collections are vascular plants, but extensive collections also include algae, lichens, bryophytes and fungi. (lu.se)
  • 2019) Human Papillomavirus 16 sub-lineage dispersal and cervical cancer risk worldwide: whole viral genome sequences from 7 116 HPV16-positive women. (who.int)
  • Utah State University ecologist Noelle Beckman says seed dispersal is an essential, yet overlooked process of plant demography, but it's difficult to empirically observe, measure and assess its full influence. (eurekalert.org)
  • Seed dispersal is an essential, yet overlooked process of plant demography," says Utah State University ecologist Noelle Beckman. (eurekalert.org)
  • From the morphological characteristics of their diaspore, which in the Compositae species is composed by the achene (containing the seed) and the pappus (bristles that aid dispersal) it is determined how much each plant "invests" on its dispersal. (weadapt.org)
  • Diaspore trait data for 125 species of plants of the Compositae group on 47 high Andean tropical summits was collected, focusing on characteristics that are known to be an indicator of dispersal investment. (weadapt.org)
  • Exploring characteristics of fruit types and dispersal modes in different plant communities could improve our understanding on the natural expansion mechanism of vegetation restoration, which is helpful for reducing karst rocky desertification. (plant-ecology.com)
  • This review details the anatomy, development, physiology, and molecular characteristics of the Lemnaceae to introduce them to the broader plant research community. (osti.gov)
  • Dispersal, she says, is a central process in ecology and evolution. (eurekalert.org)
  • Plant Ecology and Evolution. (lu.se)
  • Interest in duckweed has steadily regained momentum over the past decade, driven in part by the growing need to identify alternative plants from traditional agricultural crops that can help tackle urgent societal challenges, such as climate change and rapid population expansion. (osti.gov)
  • In the pond, as a complement to the plants on display in the Victoria House, grow aquatic plants that require a colder climate.The Victoria House is situated just a stone's throw away. (bergianska.se)
  • As a post-doctoral researcher at the Centre for Environmental and Climate Research I am currently involved in a project where we investigate the impact of pollinator declines on plant community composition and the plant-mediated impact on ecosystem functioning in real landscapes. (lu.se)
  • Area for pollination, dispersal and plant evolution. (bergianska.se)
  • Bird dispersal is thought to be the ancestral form of seed dispersal in ephedras as it is common in the Old World where Ephedra originated, but the three North American species dispersed by birds are not monophyletic. (springer.com)
  • Each of the plants considered in this collection are somehow perceived as being 'out of place'-weeds, samples collected through imperial science, crops introduced and transformed by our hand. (apple.com)
  • Twospotted spider mite attack hundreds of plants including many field and forage crops, horticultural crops, ornamentals, and weeds. (usu.edu)
  • Late spring planting of summer crops, however, can reduce wild-proso millet density relative to earlier planting dates. (sare.org)
  • Besides reporting this occurrence, we sampled the two plant communities forming this peculiar vegetation type (the mounds and the waterlogged matrix around them) to investigate if they are floristically and functionally distinct. (scielo.br)
  • Restricted high Andean species found in the tropical Andes have, on average, a significantly greater dispersal investment than species present only in the northern Andes or only in the central Andes. (weadapt.org)
  • A recent gene genealogy study found evidence for global dispersal of C. gattii ( 8 ). (cdc.gov)
  • While the association between C. gattii and exported tree species, particularly eucalypts, has been speculatively linked to its dispersal ( 6 , 9 - 11 ), no evidence for this has been found in BC. (cdc.gov)
  • The origin of plant species (native or exotic) can be found in the Jepson Manual: Higher Plants of California (Hickman, 1993) and other authorities. (nps.gov)
  • Of the flowering plants found in the parks to date, slightly more than 200 are exotic, representing about a quarter of the flora. (nps.gov)
  • Fruit types and seed dispersal modes of plants in different communities in Shilin Geopark, Yunnan, China[J]. Chin J Plant Ecol, 2018, 42(6): 663-671. (plant-ecology.com)
  • 2018) Accelerated increase in plant species richness on mountain summits is linked to warming. (who.int)