[PDF] Top 20 A conceptual dynamic vegetation soil model for arid and semiarid zones

... and dynamic properties depend on many interrelated links between climate, soil and vege- tation (Rodriguez-Iturbe et ...end, soil and climate control the vegetation dynamic, while the ... See full document

... Ground water Could reach to ground water under highly permeable and shallow water table conditions or leach from poor organic matter soil, which lead to Groundwater contamination and they may contribute to adverse ... See full document

... Many legume trees significantly contribute to the nitrogen balance of tropical wetlands and rainforests (Dommergues, 1995; Pons et al., 2007; Roggy et al., 1999), and thus play an important role in their function and ... See full document

... ecohydrological conceptual framework, Turnbull et ...theoretical model of seed dispersal processes by runoff where hydrological con- nectivity was considered as an influencing variable on seed movement by ... See full document

... variability), soil properties (storage capacity and drainage rates), and vegetation dynamics (soil moisture dynamics, plant productivity and ...of vegetation types, density and response, in ... See full document

... We identified 11 rain gauges, operated by the Israeli Me- teorological Service, among the ones already used by Marra and Morin (2015). Rain gauge data are available as storm maxima values extracted from digitized charts ... See full document

... The comparison of aerial photographs from 1975 with satellite images of high resolution of 2005 for the same areas in Niger shows a sharp increase in tree densities in fields (15 to 20 times more trees in 2005 than ... See full document

... of vegetation to firing in definite seasons, can fail to look upon controlled firing as a useful and necessary agency for the keep- ing in position of particular stages of the biotic ...denser vegetation ... See full document

... The case study site is within the Flumendosa river basin on Sardinia, which is one of the regions of Italy most affected by water deficits. There is therefore an urgent need to exploit advanced observation and simulation ... See full document

... Genus Allactaga is a homogenous taxon distributed in arid and semiarid regions as its adaptive zone which is clearly reflected in the taxonomic characteristics of this genus. In this genus molars are ... See full document

... and soil types (ranging from Permian mudstones and Triassic sandstones in the lower elevations to Jurassic dolerite in the upper regions) provide a multitude of habitat types and broad ecological ... See full document

... a dynamic condition in which an individual is confronted with an opportunity, demand or resource related to what the individual desires and for which the outcome is perceived to be both important and uncertain ... See full document

... ference is reversed, with median woody cover being lower in farmlands than in savannas. Unlike the rainfall driven gradient of woody cover found in savannas, the woody cover in farmlands is spa- tially homogeneous ... See full document

... A dynamic structure model of tree was reported in [15], and is extended here to include dynamic wind force and mathematical description of the motion of each tree component; see Figure ...the ... See full document

... Subgrade is defined as the soil prepared and compacted to support a structure or a pavement system. It is the foundation for the pavement structure. Subgrade soil or material sometimes is called (basement) ... See full document

... the soil moisture more in the first three soil layers than in the fourth soil ...the soil moisture content in the first layer was increased roughly by ...irrigated model runs with ... See full document

... and conceptual mod- ...the conceptual model- ing, point SNOTEL data were adjusted to spatially averaged inputs using data from the PRISM database (PRISM Climate Group, ...General Soil Map ... See full document

... common vegetation pattern found in arid and semi-arid ecosystems, usually referred to as spotted or stippled, con- sists of dense vegetation clusters that are irregular in shape and surrounded ... See full document

... Although studies on riverine fluxes of carbon have been considerably increasing over the last 20 years, great uncer- tainties remain to be properly resolved even for catchment- scale assessments, not to mention the ... See full document

... Wetland mitigation provides a method of compensating for loss of vital wetland functions while allowing unavoidable wetland degradation. Coddle Creek Reservoir, located in northwest Cabarrus County, North Carolina, is in ... See full document