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15 results for “Eichhornia crassipes”
Eichhornia crassipes (Mart.) Solms (BR0000011728498)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Fig. 1 in Differences in seasonal variation between two biotypes of Megamelus scutellaris (Hemiptera: Delphacidae), a biological control agent for Eichhornia crassipes (Pontederiaceae) in Florida
Fig. 1. Average number of F1 adults, average weight, and average development time (+ SE) across typical seasonal temperatures in Davie, Florida. An asterisk (*) indicates significance at the α = 0.05 level.
Data from: Functional traits underlying performance variations in the overwintering of the cosmopolitan invasive plant water hyacinth (Eichhornia crassipes) under climate warming and water drawdown
<p><span>Reports of the Intergovernmental Panel on Climate Change (IPCC) indicate that temperature rise is still the general trend of the global climate in the 21st century. Invasive species may benefit from the increase in temperature, as climate can be viewed as a resource, and the increase in the available resources favors the invasibility of invasive species. This study aimed to assess the overwintering growth of the cosmopolitan invasive plant water hyacinth (<em>Eichhornia crassipes</em>) at its northern boundary. Using <em>E. crassipes</em> as a model plant, a cross-year mesocosm experiment was conducted to determine 17 plant functional traits, including growth, morphological, root topological, photosynthetic and stoichiometric traits, under climate warming (ambient, temperature rises of 1.5°C and 3.0°C) and water drawdown or water withdrawal (water depths of 1 cm, 10 cm and 20 cm) treatments. The overwintering growth of <em>E. crassipes</em> was facilitated by climate warming and proper water drawdown, and climate warming played a leading role. A temperature rises of 3.0°C and a water depth of 10 cm were the most suitable conditions for the overwintering and rooting behavior of the plant. Controlling the temperature to within 1.5°C, an ambitious goal for China, still facilitated the overwintering of <em>E. crassipes</em>. With climate warming, the plant can overwinter successfully, which possibly assists it in producing and spreading new ramets in the vernal flood season. The new rooting behavior induced by ambient low temperature may be viewed as a unique growth adaptation strategy for a niche change, as it helps these plants invade empty niches left by dead free-floating plants on the water surface following winter freezes. With continued global warming, the distribution of the plant may expand northward, and eradication of the plant during the winter water drawdown period may be a more effective strategy.</span></p>
Reduction of Hydrocarbon Pollutants by Hyacinth Plants (Eichhornia crassipes)
<p>The application of phytoremediation by utilizing plants has been used to control oil pollution in waters. One of the plants that can act as a phytoremediator is the hyacinth. Because this plant can reduce various pollutants including petroleum hydrocarbons. This study aims to study the reduction ability of petroleum hydrocarbons at different concentrations including improving water quality. This study consisted of one treatment (petroleum hydrocarbon) consisting of five factors with three replicates. The treatments consisted of 10 ppm (E1), 30 ppm (E2), 50 ppm (E3), 70 ppm (E4), 90 ppm (E5), and (E0) without aquatic plants as controls. The treatments were observed daily and measured from the first day (D-1), the seventh day (D7), and the fourteenth day (D-14). The water quality in each treatment was also measured; such as water temperature, pH, and dissolved oxygen. The results showed that the Hyacinth plant was able to reduce hydrocarbon in terms of Total Petroleum Hydrocarbon by 79% while it was only between 17-27% naturally without hyacinth. The reduction of TPH in the water was in line with the decrease of chlorophyll in the leaves of hyacinth, and it was followed by the increase of dissolved oxygen in the water media. In conclusion, hyacinths can reduce petroleum hydrocarbons and they can improve the water quality as well</p>
Data from: Functional traits underlying performance variations in the overwintering of the cosmopolitan invasive plant water hyacinth (Eichhornia crassipes) under climate warming and water drawdown
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Modeling of the potential distribution of Eichhornia crassipes on a global scale: risks and threats to water ecosystems. Supplementary material
<p>https://doi.org/10.4136/1980-993X</p>
Data from: Genetic uniformity characterizes the invasive spread of water hyacinth (Eichhornia crassipes), a clonal aquatic plant
Aquatic plant invasions are often associated with long-distance dispersal of vegetative propagules and prolific clonal reproduction. These reproductive features combined with genetic bottlenecks have the potential to severely limit genetic diversity in invasive populations. To investigate this question we conducted a global scale population genetic survey using Amplified Fragment Length Polymorphism (AFLP) markers of the world's most successful aquatic plant invader – Eichhornia crassipes (water hyacinth). We sampled 1140 ramets from 54 populations from the native (South America) and introduced range (Asia, Africa, Europe, North America, Central America and the Caribbean). Although we detected 49 clones, introduced populations exhibited very low genetic diversity and little differentiation compared with those from the native range, and ~80% percent of introduced populations were composed of a single clone. A widespread clone ('W') detected in two Peruvian populations accounted for 70.9% of the individuals sampled and dominated in 74.5% of the introduced populations. However, samples from Bangladesh and Indonesia were composed of different genotypes, implicating multiple introductions to the introduced range. Nine of 47 introduced populations contained clonal diversity suggesting that sexual recruitment occurs in some invasive sites where environmental conditions favor seedling establishment. The global patterns of genetic diversity in E. crassipes likely result from severe genetic bottlenecks during colonization and prolific clonal propagation. The prevalence of the "W" genotype throughout the invasive range may be explained by stochastic sampling, or possibly because of pre-adaptation of the "W" genotype to tolerate low temperatures.
Figure 3 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 3. Hierarchical clustering, based on similarities in aquatic macroinvertebrate assemblages, of the sampling stations with a Ward linkage method and a Euclidian distance; Sa, Sahoua; Ah, Ahondo; Tc, Taabo cité; Co, Courandjourou; Tv, Taabo village.
Figure 5 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 5. Canonical correspondence analysis (CCA) diagram of macroinvertebrates collected from water hyacinth samples in relation to nine independent environmental variables measured: Temp., temperature; NH +, ammonium; pH; Trans., transparency; NO –, nitrate; Turb., 4 3 turbidity; PO 3–, phosphate; O, dissolved oxygen; and CND, conductivity.
Figure 2 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 2. Box-plots showing differences in physical and chemical variables between the two seasons (Rs = rainy season and Ds = dry season); box corresponds to 50% of the values, the square in the box corresponds to the median value and the vertical bars correspond to the minimum/maximum values.
Figure 1 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 1. Map of the man-made Taabo Lake, showing sampling stations (UTM, Universal Transverse Mercator) (Kouassi 2007).
Figure 4 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 4. Box-plots showing differences in physical and chemical variables between the three clusters (I, II and III) identified on Figure 3; box corresponds to 50% of the values, the square in the box corresponds to the median value and the vertical bars correspond to the minimum/ maximum values; n = 10. (Continued)
Data from: Genetic uniformity characterizes the invasive spread of water hyacinth (Eichhornia crassipes), a clonal aquatic plant
Open the record for dataset details and reuse information.
Figure 2 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 2. (Continued).
Figure 4 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 4. (Continued).
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