Results 121 to 130 of about 6,047,181 (260)
Nitrogen (N) is an essential nutrient element for the normal growth and development of plants, and the major factor affecting the primary productivity of most terrestrial ecosystems.
Yincai XIE +5 more
doaj +1 more source
The Characteristics of Karst and Karst Water Hazards in Coal Mining Areas in North China
The characteristics of stratum distribution, karst evaluation and karst controlling factors in coal mining areas in North China were comprehensively studied and analyzed.The karst characteristics and the distribution of exposed karst ,shallow buried ...
Weiyue Hu
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We analyzed multi‐tissue expression patterns in the all‐female, parthenogenetic, and triploid Brahminy blindsnake (Indotyphlops braminus) using PacBio and Illumina RNA‐seq to better understand polyploidy and asexual reproduction in vertebrates. By characterizing differential expression and co‐expression networks across the ovary, heart, liver, skin ...
Kexin Sun +5 more
wiley +1 more source
Ground-Water/Surface-Water Interactions in a Karst Aquifer
Ground-water/surface-water interactions in of the largest aquifer systems in the United States were analyzed in this article. The Edwards karst aquifer of Texas exhibits unique ground-water recharge processes. It is also located in a region of pronounced precipitation variability, the dominant controlling factor of ground-water recharge.
openaire +3 more sources
Water in the 2003 Virginia General Assembly
The 2003 Virginia General Assembly convened on January 8 and adjourned on February 22, with a reconvened (“veto”) session on April 2. The legislature considered 3277 measures; 1585 passed and 1692 failed. The legislature also considered amendments to the
Virginia Water Resources Research Center
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Study region: The Guantian headwater watershed is located in the subtropical region of South China. Study focus: This study examined how changes in precipitation and consequent shifts in streamflow affect dissolved organic carbon (DOC) and nitrate (NO3−)
Wenya Zhang +4 more
doaj +1 more source
Impact of water quality on the fish community in wetlands of Yucatan, Mexico
Abstract This study examined how water quality affects the structure and function of fish communities in two coastal wetlands in Yucatán, Mexico. The research was prompted by concerns about the impact of human activities on these biodiverse ecosystems.
D. Arceo‐Carranza +2 more
wiley +1 more source
Development of physically-based numerical models (spatially distributed) for karst hydrodynamics
KARMA (Karst Aquifer Resources availability and quality in the Mediterranean Area) is a European project that aims to achieve substantial progress with respect to the hydrogeological understanding and sustainable management of Mediterranean karst water ...
Jourde, Hervé, Aliouache, Mohammed
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ABSTRACT The Cadí Massif (42°17′09″ N, 1°38′11″ E; 2649 m a.s.l.) in the southeastern Pyrenees preserves clear evidence of Late Pleistocene glaciation, although previous research has focused almost exclusively on its northern slope. By contrast, the southern slope has remained largely unexplored.
M. Oliva +5 more
wiley +1 more source
Karst groundwater is an important water resource in karst areas of China and even the world, which plays an important role in people's life and industrial and agricultural production.
Weiwei LIU +3 more
doaj +1 more source

