Results 71 to 80 of about 10,397 (202)

Rapid increase in abundance and distribution of invasive pink salmon (Oncorhynchus gorbuscha) within a diverse, large Barents Sea catchment

Journal of Fish Biology, EarlyView.
Abstract Pink salmon originate from the North Pacific area but were introduced into northwest Russia from the late 1950s onwards. Since 2017, the alien species has increased dramatically in abundance and rapidly invaded adjacent areas of the North Atlantic region.
Jaakko Erkinaro, Panu Orell, Frode Fossøy, Mikko Kytökorpi, Karl Gjelland, Narve Johansen, Sigurd Domaas, Jorma Kuusela, Pierre Fagard, Eirik Frøiland, Morten Falkegård   +10 more
wiley   +1 more source

Utilization of tail-escape weir for water conservation in distributary canals

Alexandria Engineering Journal, 2018
Egypt is facing an increasing problem of water deficit for irrigation and other uses. Most of the Egyptian distributary irrigation canals are operated using the rotational system where water is discharged continuously during irrigation period.
Mohamed Reyad, Mohamed Elkholy, Farouk El-Fitiany   +2 more
doaj   +1 more source

Prospects of multipurpose biomonitoring for fisheries assessment based on environmental nucleic acids

Journal of Fish Biology, EarlyView.
Abstract Methods using environmental nucleic acids have become highly effective for monitoring aquatic biodiversity, with an array of suitable use cases, including metrics for fisheries assessment. Traditional methods for assessing fish populations often rely on invasive techniques with limited spatial and temporal coverage.
Ana Ramón‐Laca, Krista M. Nichols, Kim M. Parsons, Ramón Gallego, David R. Vieites, Ignacio Doadrio, Ana Riesgo   +6 more
wiley   +1 more source

Experimental Study of Flow over the Triangular Side Weir with Inclined Crest in Subcritical Flow [PDF]

علوم آب و خاک
Side weirs are hydraulic structures employed in irrigation and drainage channels as diversion devices or head regulators. The increasing efficiency of the structure of side weirs for constant head has been one of the concerns of researchers in the last ...
M. Neisi, M. Sajadi, M. Shafai Bejestan, J. Ahadiyan   +3 more
doaj  

Operation of Flushing Gate on Sediment Flushing Efficiency: A Case Study of Alale Weir

Media Komunikasi Teknik Sipil
This study discuss about hydraulic physical model tests of Alale weir to ensure hydraulic flow behaviour of design flood, condition on downstream of weir, and sediment flushing.
Very Dermawan, Evi Nur Cahya, Muhammad Nurjati Hidayat, Nur Sholawatini   +3 more
doaj   +1 more source

Conservation genomics of Pecos pupfish (Cyprinodon pecosensis)

Journal of Fish Biology, EarlyView.
Abstract The Pecos pupfish, Cyprinodon pecosensis, is an imperilled freshwater fish found in arid regions of Texas and New Mexico (USA). The species faces multiple challenges to persistence including reductions in suitable habitat, water shortages, as well as hybridization and competition with an introduced congener (sheepshead minnow, C.
Elizabeth P. Dolan, Andrew T. Fields, Megan G. Bean, Robyn R. Doege, Joanna L. Hatt, Kevin W. Conway, David S. Portnoy   +6 more
wiley   +1 more source

Partial nocturnal behaviour of giant mottled eels, Anguilla marmorata, in a small river, Amami‐Oshima Island, Japan, from acoustic telemetry

Journal of Fish Biology, EarlyView.
Abstract Anguillid eels typically exhibit nocturnal behaviour, but giant mottled eels A. marmorata are often observed during daytime in rivers on Amami‐Oshima Island, Japan. We investigated their diel activity patterns and spatial use with stationary‐receiver acoustic telemetry.
Hikaru Itakura, Ryoshiro Wakiya
wiley   +1 more source

Dependent Articulation in the Global Pesticide Complex: Argentina's Agrochemical Industry After the Generics Market Revolution

Journal of Agrarian Change, EarlyView.
ABSTRACT Since the late 1990s, the pesticide industry has undergone a ‘generics revolution’ as the centre of production, and trade has shifted to the global South. China and India have become major producers, capturing Latin American markets from Northern multinationals. As a major pesticide user and a key node in global supply chains, Argentina offers
Christian Berndt, Tomás Palmisano, Marion Werner   +2 more
wiley   +1 more source

Performance of a shallow-water model for simulating flow over trapezoidal broad-crested weirs

Journal of Hydrology and Hydromechanics, 2019
Shallow-water models are standard for simulating flow in river systems during floods, including in the near-field of sudden changes in the topography, where vertical flow contraction occurs such as in case of channel overbanking, side spillways or levee ...
Říha Jaromír, Duchan David, Zachoval Zbyněk, Erpicum Sébastien, Archambeau Pierre, Pirotton Michel, Dewals Benjamin   +6 more
doaj   +1 more source

Gesturing While Writing: An Alternate Perspective on Mimetic Prosody

Critical Quarterly, EarlyView.
Paul Magee
wiley   +1 more source