Results 81 to 90 of about 2,028,175 (309)
Two new endemic species of Portulaca (Portulacaceae) from the Brazilian Pampa grasslands
Portulaca L. is a monophyletic, cosmopolitan genus of succulent plants comprising ca 153 species, with particularly high diversity in xerophytic ecosystems in tropical and subtropical regions. Based on morphological evidence, we describe and illustrate two new species from the Brazilian Pampa, Portulaca guaritensis and Portulaca guenoa.
José Roberto Ferraz +3 more
wiley +1 more source
Water and poverty in China’s Yellow river basin
Rapid economic growth in the Yellow River Basin (YRB) of China has put intense demands on Yellow River waters. By far the largest user of water resources is the agricultural sector, accounting for 80 percent of total withdrawals—with industrial, urban ...
http://orcid.org/0000-0002-0112-502X Ahmed, A. +1 more
core
Risk analysis of water resources carrying capacity based on a novel early warning framework
Water Resources Carrying Capacity (WRCC) embodies the fundamental constraint relationship between water resource sustainability and regional economic growth as well as social development, serving as a key indicator for assessing regional sustainable ...
Heyuan Zhou +3 more
doaj +1 more source
Urbanization and food transition in the Brazilian Amazon: From wild to domesticated meat
Abstract Urbanization is expected to influence food transitions, resulting in a shift from wild foods to more domesticated foods. Concomitantly, food insecurity and urban demand for natural resources, including wildlife, are expected to increase overall, even when the per capita consumption is expected to decrease.
Willandia A. Chaves +7 more
wiley +1 more source
Delaware Toxics Reduction Program: Annual Report, 2007
The Delaware River Toxics Reduction Program (DelTRiP) was created in 2004 as a joint effort between the Delaware River Basin Commission (DRBC), the United States Environmental Protection Agency (EPA), the Pennsylvania Department of Environmental ...
core +1 more source
Moisture migration during the microwave drying process of coal slime is critical for improving drying efficiency and reducing energy consumption. Nevertheless, current methods for quantifying these migration behaviors remain insufficient.
Fei Wang +5 more
doaj +1 more source
The Yellow River Basin (YRB), a pivotal ecoregion in China, has long been plagued by a range of ecological problems, including water loss, soil erosion, and ecological degradation. Despite previous reports on the ecological environment of YRB, systematic
Yinan Wang +3 more
doaj +1 more source
Repeated Pleistocene Permafrost Episodes in the Western Pannonian Basin
ABSTRACT Concerning the study of past periglacial processes, the Pannonian Basin is a key area as it contains the southernmost frost polygons found in Central Europe. The presence or absence of permafrost is still, however, a matter of debate, and data on the timing of frost action are also scarce.
Krisztina Sebe +5 more
wiley +1 more source
Response of Streamflow to Climate Changes in the Yellow River Basin, China
AbstractClimate changes impact hydrological processes and control streamflow at the basin scale. The present study was conducted to investigate the impact of climate change on streamflow in the Yellow River basin (YRB), China. The temporal trends of streamflow were explored by the Mann–Kendall method and a linear fit model, and the relationships ...
Zhifeng Yang, Qiang Liu
openaire +1 more source

