Results 31 to 40 of about 232,209 (289)

Spatial distribution of an eel population (Anguilla anguilla L.) in a small coastal catchments of northern Brittany (France). Consequences hydraulic works. [PDF]

open access: yes, 1998
The Frémur is a 60 km2 catchment of Brittany where many hydraulic works (dams, weirs, gauging structures, etc.) have reduced the recruitment by elvers and glass eels since at least 50 years.
Acou, Anthony   +4 more
core   +3 more sources

Inhibition of miR-4640-5p alleviates pulmonary hypertension in chronic obstructive pulmonary disease patients by regulating nitric oxide synthase 1

open access: yesRespiratory Research, 2023
Background Pulmonary hypertension (PH) is a devastating disease characterized by vasoconstriction and vascular remodeling, leading to right ventricular failure and death.
Zhao Yang   +5 more
doaj   +1 more source

Integrative Dynamic Reconfiguration in a Parallel Stream Processing Engine [PDF]

open access: yes, 2016
Load balancing, operator instance collocations and horizontal scaling are critical issues in Parallel Stream Processing Engines to achieve low data processing latency, optimized cluster utilization and minimized communication cost respectively.
Cao, Jianneng   +2 more
core   +3 more sources

Early redox activities modulate Xenopus tail regeneration. [PDF]

open access: yes, 2018
Redox state sustained by reactive oxygen species (ROS) is crucial for regeneration; however, the interplay between oxygen (O2), ROS and hypoxia-inducible factors (HIF) remains elusive.
Ferreira, Fernando   +4 more
core   +2 more sources

Remote sensing and GIS-based analysis of evolving planform morphology of the middle-lower part of the Ganga River, India

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2019
The present work addresses the planform dynamics of the Ganga River in the middle-lower portion over the last six decades and the evolution and transformation of the channel and its floodplain with the help of remote sensing and GIS techniques.
Raghunath Pal, Padmini Pani
doaj   +1 more source

Risk Assessment and Prediction of Heavy Metal Pollution in Groundwater and River Sediment: A Case Study of a Typical Agricultural Irrigation Area in Northeast China

open access: yesInternational Journal of Analytical Chemistry, 2015
The areas with typical municipal sewage discharge river and irrigation water function were selected as study sites in northeast China. The samples from groundwater and river sediment in this area were collected for the concentrations and forms of heavy ...
Shuang Zhong   +5 more
doaj   +1 more source

CRITICAL REMARKS TO PUBLICATIONS ON REPRODUCTION OF PACIFIC SALMONS IN THE RIVERS OF NORTHERN SAKHALIN ISLAND

open access: yesИзвестия ТИНРО, 2019
Results of long-term studies of pink salmon reproduction (spawners run to the rivers, fry downstream migration and adults returns, their survival during the freshwater and marine periods) are widely presented for southern Sakhalin and southern Kuril ...
A. M. Kaev
doaj   +1 more source

Hydrological controls on river network connectivity [PDF]

open access: yes, 2019
This study proposes a probabilistic approach for the quantitative assessment of reach- and network-scale hydrological connectivity as dictated by river flow space–time variability. Spatial dynamics of daily streamflows are estimated based on climatic and
Botter, Gianluca   +3 more
core   +1 more source

Combined PDGFR and HDAC Inhibition Overcomes PTEN Disruption in Chordoma. [PDF]

open access: yesPLoS ONE, 2015
The majority of chordomas show activation of the platelet-derived growth factor receptor (PDGFR). Based on in vitro intertumoral variation in response to recombinant PDGF protein and PDGFR inhibition, and variable tumor response to imatinib, we ...
Dae-Hee Lee   +14 more
doaj   +1 more source

The Migratory Biology and Feeding Habits of Downstream-Migrating Juvenile Chum Salmon Oncorhynchus keta in the Amur River of Northeast China

open access: yesFishes, 2023
The size of chum salmon juveniles is crucial to their survival. In order to understand the population status and migration patterns of juvenile chum salmon in the waters of the Amur River in China, this study investigated the status of juvenile chum ...
Jilong Wang   +4 more
doaj   +1 more source

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