نتایج جستجو برای: alluvial plain
تعداد نتایج: 48323 فیلتر نتایج به سال:
The neutral dispersal model in protists was suggested as a general principle resulting in either cosmopolitan or ecologically restricted distribution of individual species. The high local diversity results in "flat" species-area curves of individual protist groups. We investigated the local and regional diversity of the genus Mallomonas in the alluvial plain of upper Luznice in the Czech Republ...
New archaeological excavations and research at BK, Upper Bed II (Olduvai Gorge, Tanzania) have yielded a rich and unbiased collection of fossil bones. These new excavations show that BK is a stratified deposit formed in a riverine setting close to an alluvial plain. The present taphonomic study reveals the second-largest collection of hominin-modified bones from Olduvai, with abundant cut marks...
To meet the increasing demand for wood and wood products, the Southern Hardwoods Laboratory is investigating silvicultural techniques such as fertilization. Sweetgum, water oak, and willow oak have responded to N and NPK on clay soils of the Mississippi River floodplain. Yellow-poplar growth has been improved by NPK fertilizers on eroded sites in the Silty Uplands, and in the greenhouse sycamor...
The importance of high-resolution and continuous hydrologic data for monitoring predicting water levels is crucial sustainable management. Monitoring Total Water Storage (TWS) over large areas by using satellite images such as Gravity Recovery Climate Experiment (GRACE) with coarse resolution (1°) acceptable. However, TWS changes a small area challenging. In this study, we used the Random Fores...
Shortage of rainfall and also relatively high intensity precipitations in short-term are characteristics of arid regions of the world, such as central of Iran. Studies have indicated that massive flooding causes great loss of life and properties every year. Also, Water scarcity in arid and semiarid regions of the world will cause fragile living conditions in these areas. Therefore, it is needed...
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