نتایج جستجو برای: topography underlain by roots
تعداد نتایج: 7083316 فیلتر نتایج به سال:
Cassava (Manihot esculenta Crantz) is mainly produced to supplement food security by providing for smallholder farmers year round. However, its production constrained various factors. Thus, the aim of this research was assess cassava utilization patterns, postharvest handling practices, and factors that influence productivity. Data were gathered from primary secondary sources, a multistage samp...
Numerous inselbergs rise above the regional erosional surface in semiarid northeastern Brazil. The are underlain by Quixadá Pluton and cut cm-thick granite dike swarms. Five with abundant dikes from two different parts of pluton were selected to investigate role patterns evolution residual topography, including morphological features hillslopes. methods included field mapping landforms, structu...
Originally described by Theodore Leber in 1869, Leber congenital amaurosis (LCA, MIM 204000) is the most early and severe form of all hereditary retinal dystrophies, responsible for congenital blindness. The diagnosis is usually made at birth or during the first months of life in an infant with total blindness or greatly impaired vision, normal fundus, and unrecordable electroretinogram (ERG). ...
1. Riparian zones function as important ecotones that reduce nitrate concentration in groundwater and inputs into streams. In the boreal forest of interior Alaska, permafrost confines subsurface flow through the riparian zone to shallow organic horizons, where plant uptake of nitrate and denitrification are typically high. 2. In this study, riparian zone nitrogen retention was examined in a hig...
A joint analysis of global seismicity and seismic tomography indicates that the seismic potential of continental intraplate regions is correlated with the seismic properties of the lithosphere. Archean and Early Proterozoic cratons with cold, stable continental lithospheric roots have fewer crustal earthquakes and a lower maximum earthquake catalog moment magnitude (Mcmax). The geographic shear...
Vegetation responses to climatic and geologic controls on water availability in southeastern Arizona
Abstract Vegetation distribution, composition and health in arid regions are largely dependent on water availability controlled by climate, local topography geology. Despite a general understanding of climatic geologic drivers plant communities, trends responses to distribution storage across areas under different controls poorly understood. Here we investigate the multi-decadal interactions be...
Elucidating the major drivers of bryophyte distribution is the first step to protecting bryophyte diversity. Topography, forest, substrates (ground, tree trunks, roots, rocks, and rotten wood), and spatial factor, which factors are the major drivers of bryophyte distribution? In this study, 53 plots were set in 400 m2 along the elevation gradient in Xiaoqinling, China. All bryophytes in the plo...
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