Phreatophyte

A phreatophyte, which means ''well plant'&#x

Our analysis of groundwater level data, soil profiles, and vegetation characteristics at two typical phreatophyte-dominated sites (Tamarix ramosissima and Populus euphratica) located in hyper-arid desert environments in northwestern China indicates that groundwater evapotranspiration is an important factor that controls …Phreatophyte research for the purpose of this report includes projects that fall, at least in part, in 1 or more of the 3 categories. It includes only projects that were currently in progress. or for which plans were firmly developed, during the period October 1958 to March 1959.

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The microbiota associated to xerophyte is a “black box” that might include microbes involved in plant adaptation to the extreme conditions that characterize their habitat, like water shortage. In this work, we studied the bacterial communities inhabiting the root system of Argania spinosa L. Skeels, a tree of high economic value and ecological …Nichols (1994) presented models of ET g from non-riparian Great basin phreatophyte communities, which indicated that ET g decreased as an exponential function of water table depth for any vegetation cover class. In contrast, Scott et al. (2004) saw a significant decrease in ET and ET g from a stand of mesquite despite a slight rise in …Aims Root hydrotropism has been widely studied in seedling radicles through artificial experiments that reduce the influence of gravity and soil. In this work we aimed to study hydrotropism of primary lateral and pivotal roots in developed root systems of desert plants under simulated natural conditions. Methods We grew Bulnesia retama Griseb. (non phreatophyte), Prosopis flexuosa DC ...A phreatophyte is a plant species that has modified its root system to have an extremely long tap root [10]. In addition to providing plants with more stability, these tap roots are capable of extracting moisture from deep within the soil profile, which is an extremely important because arid desert ecosystems receive little precipitation [10].Senegalia greggii, formerly known as Acacia greggii, is a species of tree in the genus Senegalia native to the southwestern United States and northern Mexico, from the extreme south of Utah south through southern Nevada, southeast California, Arizona, New Mexico and western Texas to Baja California, Sinaloa and Nuevo León in Mexico. The population in Utah at 37°10' N is the northernmost ...Phreatophyte definition, a long-rooted plant that absorbs its water from the water table or the soil above it. See more.This was evident from the significantly reduced leaf water potential in the predawn and midday, as well as the decreased maximum net photosynthetic rate, stomatal conductance, and Huber value. Although groundwater uptake helped H. ammodendron survive, the phreatophyte struggled to thrive due to exacerbated groundwater drawdown (Xu et al., …A phreatophyte, which means ''well plant'' in Greek, is a deep-rooted plant that has the ability to obtain a perennial supply of water from the phreatic zone (or saturated zone) and/or the capillary fringe above the phreatic zone in the soil profile (Meinzer, 1927). Extensive reports indicated that phreatophytic vegetation isIn 1954, the State of Arizona named the Palo Verde as its State Tree. The legislature did not distinguish between the two species of this tree that are native to the State; therefore both the highly contrasting Foothill and the Blue share the honor. The dry desert adapted Foothill Palo Verde is very common (>95%) compared to the desert wash ...Phreatophyte roots commonly extend to depths up to 15 meters, however, some salt cedar roots have been found to extend to 30 meters depth along the Suez Canal. There is a significant awareness that the introduction of some animal species from one continent to another (e.g., rabbits brought from England to Australia) can result in an extreme ...Gum Trees (Eucalyptus) Gum trees are perhaps the most famous species of pyrophyte. As active pyrophytes, these widely grown plants produce oil that is most commonly known for its pleasing aroma — but this same oil is highly flammable. Some gum trees have even exploded during intense fires. Gum trees have a quick recovery from fires, and are ...Provided to YouTube by Digital Music MarketingPhreatophyte Ohmmeters · Allena PrysMagic Elixirs Vol 6℗ 2023 Magic ElixirsReleased on: 2023-09-09Composer: All...Quantitative assessment of the impact of groundwater depletion on phreatophytes in (hyper-) arid regions is key to sustainable groundwater management. However, a parsimonious model for predicting the response of phreatophytes to a decrease of the water table is lacking. A variable saturated flow model, HYDRUS-1D, was used to numerically assess the influences of depth to the water table (DWT ...Phreatophytes. Typically, the vegetation is a mixed assemblage of obligate and facultative phreatophytes—deeply rooted plants that obtain water directly from the stream or from groundwater in the alluvial aquifer. From: Riparia, 2005. Add to Mendeley.Ecological stoichiometry is an important aspect in the analysis of the changes in ecological system composition, structure, and function and understanding of plant adaptation in habitats. Leaf carbon (C), nitrogen (N), and phosphorus (P) concentrations in desert phreatophytes can be affected by different depths of groundwater through its effect on the adsorption and utilization of nutrient and ...While seasonal redistribution of fine root biomass in response to fluctuations in groundwater level is often inferred in phreatophytic plants, few studies have observed the in situ growth dynamics of deep roots relative to those near the surface. We investigated the root growth dynamics of two Banksia species accessing a seasonally dynamic water table and hypothesized that root growth ...Phreatophytic vegetation and groundwater fluctuations: a review of current research and application of ecosystem response modeling with an emphasis on great ...A small number of species called phreatophytes have root systems capWe used Populus euphratica, a phreatophyte spec Therefore, being an anisohydric phreatophyte in arid and semiarid regions seems to be a risky option, which can only be overcome by the resilience capacity of the plants (Hultine et al., 2020). Different responses observed in Z. lotus transpiration rates could also be generated by differences in xylem traits (Attia et al., 2015).As a result, groundwater use by phreatophyte communities may vary both spatially and temporally in response to seasonal or long-term changes in growing season precipitation. I conducted a two-year rainfall manipulation experiment in the San Luis Valley, Colorado to investigate the responses of four common native phreatophyte species to ambient ... The groundwater depth effects on phreato In addition, diurnal fluctuations in the groundwater table have been widely observed in riparian areas in response to phreatophyte uptake of groundwater via evapotranspiration (Gribovszki et al., 2013, Ridolfi et al., 2007, White, 1932). The development of electronic pressure transducers and digital data recorders has recently made high ... Evapotranspiration (ET) of groundwater may occur when th

To our knowledge, this study is the first to elucidate the variation in the C, N, and P stoichiometry of a desert phreatophyte at different groundwater depths in an arid ecosystem. Keywords: ecological stoichiometry, desert phreatophyte, Alhagi sparsifolia , groundwater depth, leguminous plant, plant growth strategyEvaporation from bare soils and evapotranspiration from phreatophyte areas are major sources of natural groundwater loss in the Great Basin region of Nevada, Utah, and adjacent states. This study evaluated three methods for determining evapotrans- piration under natural conditions and provides quantitative estimates of evapotranspiration. Two of the methods used, the eddy-correlation and the ...Phonetic Spelling lih-kwid-AM-bar sty-rak-ee-FLOO-uh Description. American sweetgum is a woody, deciduous tree frequently found in wet river bottoms, in swamps that frequently flood, and on drier uplands (except the high mountains) throughout North Carolina.We used Populus euphratica, a phreatophyte species distributed in the desert of Northwestern China, to test the hypothesis. Field measurements of VPD , stomatal conductance ( g s ), g s responses to VPD , mid-day minimum leaf water potential ( Ψ lmin ), and branch hydraulic architecture were taken in late June at four sites along the ...

23. 4. 2021 ... Plants that can reach groundwater with their deep root systems are called phreatophytes. The plants that grow on river, creek, and stream beds ...Water is a key element in building and maintaining regional ecosystems functions, particularly in arid and semi-arid regions, in which ecosystem productivity, surface energy balance, and water availability are closely interconnected. However, the effects of differences in soil moisture levels at different depths and humidity index involved MAT and MAP on plant diversity have received only ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. supply, to include the "phreatophyte problem". In. Possible cause: What is an example of a Phreatophyte? Examples of phreatophytes include Welw.

Screwbean Mesquite. Prosopis pubescens, commonly known as Screwbean Mesquite or Tornillo, is a species of flowering shrub or small tree in the pea family, Fabaceae, that is native to the southwestern United States (Texas, Arizona, New Mexico, California, southern Nevada and Utah) and northern Mexico (Baja California, Chihuahua, Coahuila, Sonora).Incorporating phreatophyte functions into original ParFlow.CLM In order to properly represent phreatophytes in ParFlow.CLM, we replaced its original functions with those described in Section 2.1 . In ParFlow.CLM's original root uptake function, the total transpiration was distributed over layers within root zone according to the root fraction ...The groundwater depth effects on phreatophyte ecophysiology had the highest relative count (53.65%), followed by large-scale tree plantation effects on the groundwater characteristics (44.37%) and ...

The meaning of PHREATOPHYTE is a deep-rooted plant that obtains its water from the water table or the layer of soil just above it.The estimated phreatophyte plant cover then was used to estimate annual ground-water evapotranspiration. Detailed estimates of summer, winter, and annual ground-water evapotranspiration for areas with different ranges of phreatophyte plant cover were prepared for each valley. The estimated ground-water discharge from 15 valleys, …

Assessing hydrologic effects of developing grou Abstract: Desert phreatophytes are greatly dependent on groundwater, but how their root systems adapt to dif- ferent groundwater depths is poorly understood ...The dynamics of phreatophyte vegetation are strongly coupled to those of the shallow phreatic aquifers from which phreatophytes extract water. Vegetation is able to influence the depth of the water table, which, in turn, can induce stress in vegetation. These interactions are likely to affect the composition and structure of phreatophyte plant ... The U.S. Bureau of Reclamation began a phreatopDeclining water levels and reduced natural discharge at Tendrils are present in most Cucurbits (as the family is colloquially known) and are a synapomorphy for the family (Schaefer & Renner 2011a).They are modified shoots, and tendril characters (simple or divided, place of coiling) can be taxonomically useful; Schaefer & Renner recognize 3 main types.The so-called Zanonioid tendrils coil in the lower part, below the branched apical parts, and are ...We investigated hydraulic constraints on water uptake by velvet mesquite (Prosopis velutina Woot.) at a site with sandy-loam soil and at a site with loamy-clay soil in southeastern Arizona, USA. Phreatophyte. Eine tief verwurzelte Pflan A. sparsifolia is a typical phreatophyte that has also been used in stabilizing dunes, high-quality forage, and Uygur medicine [19, 20]. The plant produces seeds once it reaches 3 years old. ... phreatophyte communities) and (B) Nevada (n = 25,194 perennial phreatophyte grown in arid and seThe dynamics of phreatophyte vegetation are stron phreatophyte: [noun] a deep-rooted plant that obtains its water from the water table or the layer of soil just above it.To demonstrate HR, we present data on patterns of sap flow in the stems or branches and lateral roots of those two phreatophyte species and soil volumetric moisture content where these species grow. Results. During the dry season, we observed reverse or acropetal flow in the lateral roots of P. euphratica, a pattern consistent with hydraulic ... At phreatophyte-1, where the water table is shallow, plants are able Phreatophytes are plants that depend for their water supply upon ground water that lies within reach of their roots. Although not confined to the arid regions of the Western United States, their occurrence there is more common, more spectacular, and, because of their effect on water supply, more important than it is in humid and subhumid regions. phreatophyte control. The results of this study were not published; however, Robinson's (1964) compilation of phreatophyte research is similar to the findings of the earlier study. Information is being collected by 48 re­ search projects sponsored by 9 Federal and 21 State and local agencies and individuals (Robinson, 1964). Desert phreatophytes are greatly dependent [Phreatophytic 释义: of, possessing the proAlthough there is an increasing understanding of va Nutrients are vital for plant subsistence and growth in nutrient-poor and arid ecosystems. The deep roots of phreatophytic plants are necessary to access groundwater, which is the major source of nutrients for phreatophytes in an arid desert ecosystem. However, the mechanisms through which changes in groundwater depth affect nutrient cycles of phreatophytic plants are still poorly understood ...Phreatophyte. Eine tief verwurzelte Pflanze, die einen erheblichen Teil des benötigten Wassers aus der phreatischen Zone bezieht. Ein Phreatophyt ist eine ...