Results 81 to 90 of about 2,028,175 (309)

Two new endemic species of Portulaca (Portulacaceae) from the Brazilian Pampa grasslands

open access: yesNordic Journal of Botany, EarlyView.
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

open access: yes, 2015
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

open access: yesEnvironmental and Sustainability Indicators
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

open access: yesPeople and Nature, EarlyView.
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

open access: yes, 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

Quantitative investigation of moisture migration during microwave drying of coal slime dough through simulation and tracer analysis

open access: yesScientific Reports
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

Dynamic Spatiotemporal Evolution of Ecological Environment in the Yellow River Basin in 2000–2024 and the Driving Mechanisms

open access: yesLand
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

open access: yesPermafrost and Periglacial Processes, EarlyView.
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

Correction: Guo et al. Shikonin as a WT1 Inhibitor Promotes Promyeloid Leukemia Cell Differentiation. Molecules 2022, 27, 8264

open access: yesMolecules
Following publication of the original article [...]
Zhenzhen Guo   +8 more
doaj   +1 more source

Response of Streamflow to Climate Changes in the Yellow River Basin, China

open access: yesJournal of Hydrometeorology, 2011
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

Home - About - Disclaimer - Privacy