river

The duration of early development in fish strongly depends on the water temperature . In the literature, different information for sterlets on incubation durations is given (Table 2). In hatchery facilities with the ability to control…

The Osun River is one of the major rivers in southern Nigeria. It flows from its source in Ekiti State, through several states, before emptying into Lagos state’s Lekki Lagoon. It is an important source of water for the communities…

The Yangtze River. Credit: Peggy und Marco Lachmann-Anke from Pixabay The first study of toxic "forever chemicals" along the full length of…

Inside the tower is a U.S. Geological Survey streamgage that will mark its centennial year of monitoring the river on October 1, 2021. At a time when the Roaring Twenties were in full swing, the streamgage began collecting information…

U.S. Geological Survey scientists and partners will inject a harmless, bright red fluorescent dye into the Kansas River at Eudora July…

These data are essential for partner agencies to estimate downstream flow, as well as analyze results to predict future event probabilities.  Realtime flood and historic data can be found at: USGS | National Water Dashboard  Streamflow…

1. IntroductionThe Yangtze River Economic Belt, as one of the three important supporting belts in China, accounts for 21.4% of the country’s total area, covering 11 provinces and regions across the three major sectors of east, central,…

The Nyamwamba River in Uganda’s Rwenzori Mountains faces an environmental crisis as devastating floods and toxic mining pollution threaten the health of the region’s population and the surrounding ecosystem.  What’s happening?  In…

The Nyamwamba River in Uganda's Rwenzori Mountains faces an environmental crisis as devastating floods and toxic mining pollution threaten the health of the region's population and the surrounding ecosystem.  What's…

2. Overview of This Special IssueThis Special Issue includes twenty original contributions focused on Yellow River basin management under pressure. Considering the unique regional characteristics of the Yellow River in China, the…

March 20, 2024 Using Rail Would Reduce Truck Traffic For Waste Material Designated For Off-Site Disposal  Text of Letter (PDF)  Washington D.C. – Senators Elizabeth Warren (D-Mass.) and Edward J. Markey…

BALTIMORE (AP) — Teams of engineers are working Saturday on the intricate process of cutting and lifting the first section of twisted steel from the collapsed Francis Scott Key Bridge in Maryland. The bridge crumpled…

3.1.1. Socio-Economic DevelopmentThe changes in the ecological environment of the river basin are closely linked to the socio-economic development within the PRB. Since the establishment of the People’s Republic of China, the economic…

3.1. Analysis of Heavy Metals in the Surface WaterTable 6 and Table 7 show the research results on the Krzna River concerning the content of heavy metals in the analyzed bottom sediment and surface water samples. The following…

Near the border of Peru and Ecuador, the Tumbes River winds its way through forests and…

The present study is the first to investigate a possible relationship between MPs and zooplankton in two distinct estuaries, the Douro estuary and the Lima estuary, and provide important field insights into the zooplankton ingestion of…

Dam Removal Leads Ecosystem Collapse - Billions of aquatic life-forms killed Siskiyou County CA issues warning about heavy metals in Klamath River Families of deer were trapped by sediments and died Through a formal public process,…

For Immediate Release June 24, 1998 (WEST TRENTON, N.J.) - Active and historic sources of PCBs are contributing to the current fish contamination problem in the Delaware Estuary, according to a report released today by the Delaware River…

2.1. ULGUEAlthough the focus of studies on ULGUE has now shifted from theoretical interpretation to empirical analysis, it is still necessary to investigate its nuances. ULGUE originated from green development , which coincides with the…

For Immediate Release August 27, 1998 (WEST TRENTON, N.J.) -- Fish populations in the lower Delaware River and Bay have shown a sharp increase in recent years, due in large part to a significant improvement in overall water quality.…

1. IntroductionThe fierce global warming and human activities have had significant impacts on vegetation , and vegetation degradation is an important external expression of vulnerability . Land use changes and intensified environmental…

March 27, 2024 LENEXA, KAN. (MARCH 27, 2024) – The U.S. Environmental Protection Agency (EPA) has approved a work plan submitted to the Agency by…

Sustainability, Vol. 16, Pages 2731: Microplastic Occurrence Characteristics and Ecological Risk Assessment of Urban River in Cold Regions during Ice-Covered Periods Sustainability doi: 10.3390/su16072731 Authors: Lei Chen Yingfei…

1. IntroductionA landscape pattern (LP) is defined as the specific manifestation of landscape heterogeneity in space under the combined influence of natural factors and human management activities . It additionally functions as a…

Choosing environmental variables correlated with salinity for salinization monitoring can enhance modeling efficiency and accuracy to a certain degree. Thus, before variable selection in this study, we used Pearson correlation analysis…

1. IntroductionOver the last few years, awareness of the risks posed by solar radiation to human health has led to a growing demand for cosmetics and personal care products containing organic UV filters (UVFs). These compounds are used…

CHALK RIVER, Ontario, March 25, 2024 (GLOBE NEWSWIRE) -- Canadian Nuclear Laboratories (CNL), Canada’s premier nuclear science and technology laboratory, is pleased to announce that it has established an ambitious target to achieve…

For Immediate Release April 15, 1999 (WEST TRENTON, N.J.) -- Delaware River Basin Commission (DRBC) Executive Director Carol R. Collier today announced that three hearings will be held in May to give the public an opportunity to comment…

During the RP, the observed mean annual streamflow of UTW was 643.2 m3/s. Under RCP 2.6 (4.5), the streamflow tends to decline by 642.6, 642 and 639.4 (609.0, 594 and 582) m3/s for P1, P2 and P3, respectively. A greater decrease in mean…

3.1. Characteristics of Spatio-Temporal Distribution of KRDFrom Figure 2, it can be observed that from 1990 to 2020, the overall pattern in the study area was dominated by potential rocky desertification and no rocky desertification,…

For Immediate Release July 23, 1999 (WEST TRENTON, N.J.) – The Delaware River Basin Commission (DRBC) and New York City have agreed to temporarily modify the Delaware River flow target at Trenton, N.J. from 3,000 to 2,700 cubic feet…

For Immediate Release October 15, 1999 (WEST TRENTON, N.J.) - A consortium of government agencies and non-profit groups from New York, Pennsylvania, New Jersey and Delaware today announced a three-day, basin-wide conference on the…

For Immediate Release January 26, 2000 (WEST TRENTON, N.J.) - The Delaware River Basin Commission (DRBC) took action today to ensure that stream quality objectives for certain toxic pollutants in the tidal Delaware River are met as part…

ATTN: Op-Ed Editors The Delaware River Is Not What it Used to Be - That's the Good News! By Carol R. CollierMarch 2000 The release of a recent report on the health of the Delaware River and other national waterways made for…

For Immediate Release May 18, 2000 (WEST TRENTON, N.J.) - The Delaware River Watershed Education Task Force today announced that it has launched a new, on-line resource to help teachers and students of all ages learn about the Delaware…

For Immediate Release June 7, 2000 (WEST TRENTON, N.J.) - The Delaware River Sojourn, an event to heighten the awareness of and appreciation for the historical, environmental, and recreational significance of the longest un-dammed river…

For Immediate Release February 26, 2001 (WEST TRENTON, N.J.) - The Delaware River Sojourn, an annual event to heighten the awareness of and appreciation for the longest un-dammed river east of the Mississippi, will be held June 15…

(WEST TRENTON, N.J.) - The flood warning system for the Delaware River and some of its feeder streams is being upgraded, a move aimed at reducing flood losses in future years.The U.S. Geological Survey (USGS) and National Weather Service…

3.1. Environmental FactorsIn May, Kalamagai Town (S10) had the highest water temperature and the lowest dissolved oxygen; the water temperature of the Qinggri River Twin Bridges (S2) was the lowest, but the dissolved oxygen was the…

3.1. Physico-Chemical Parameters in WaterThe physico-chemical factors of water serve as fundamental indicators for assessing its nature, quality, and typology . Table 1 presents the recorded physico-chemical parameters of water samples…

For Immediate Release December 18, 2001 (WEST TRENTON, N.J.) - With reservoir storage and ground water supplies well below seasonable averages, the Delaware River Basin Commission (DRBC) today declared a drought emergency in the 13,539…

COMMONWEALTH OF PENNSYLVANIADepartment of Conservationand Natural ResourcesCommonwealth News BureauRoom 308, Main CapitolHarrisburg, PA 17120 FOR IMMEDIATE RELEASE CONTACT:DCNR (717) 772-9101DRBC (609) 883-9500   HARRISBURG (January 28,…

During the ice-free and ice-sealed periods, a total of 2365 ASVs and 3940 ASVs were found. Alterations in Chao1 and the ACE indices suggested that the quantity of community species was greater during the ice-sealed period. The increases…

For Immediate Release May 6, 2002 (WEST TRENTON, N.J.) - The Delaware River Sojourn, held to celebrate a waterway that cuts a water trail through American history, will be held May 31 through June 8, 2002. The annual event attracts…

1. IntroductionPollution by plastic debris, widely recognized as a growing global problem is caused by the production of synthetic polymers. Over recent years, the production of plastics has increased, while in Europe, fossil-based…

The MDB water market facilitates the trading of two types of water rights: (a) water entitlements (permanent water), categorized as high-security, general-security, or low-security entitlements, and (b) water allocations (temporary…

If the appearance of the muddy Amazon River evokes a coffee cut with cream, the Ruki…

1. IntroductionDrought is among the world’s most significant climatic phenomena, due to the extensive harm and losses it causes . Moreover, droughts are becoming more frequent and complex . According to relevant organizations, drought…

For Immediate Release February 20, 2003 (WEST TRENTON, N.J.)  - Heavy snow pack and the forecast for warmer temperatures and rain this coming weekend have increased the potential for flooding in the Delaware River Basin. The recent snow…

For Immediate Release April 28,, 2003 (WEST TRENTON, N.J.)  - The Delaware River Sojourn, an annual event highlighting many of the natural wonders created millions of years ago when the river was forcing its way to the sea, will be held…