Results 11 to 20 of about 21,637 (297)

Captive Rearing of Longfin Smelt Spirinchus thaleichthys: First Attempt of Weaning Cultured Juveniles to Dry Feed

Animals, 2022
The rapid decline of longfin smelt Spirinchus thaleichthys, a threatened euryhaline forage fish in California, is a serious concern for scientists and resource managers.
William Mulvaney, Md Moshiur Rahman, Levi S. Lewis, Jiayi Cheng, Tien-Chieh Hung   +4 more
doaj   +1 more source

SmeltCam: underwater video codend for trawled nets with an application to the distribution of the imperiled delta smelt. [PDF]

PLoS ONE, 2013
Studying rare and sensitive species is a challenge in conservation biology. The problem is exemplified by the case of the imperiled delta smelt Hypomesus transpacificus, a small delicate fish species endemic to the San Francisco Estuary, California ...
Frederick Feyrer, Donald Portz, Darren Odum, Ken B Newman, Ted Sommer, Dave Contreras, Randall Baxter, Steven B Slater, Deanna Sereno, Erwin Van Nieuwenhuyse   +9 more
doaj   +1 more source

Spread of seafish invasions in the northen sea of okhotsk as a factor of human infection [PDF]

BIO Web of Conferences, 2021
The results of the analysis are presented in the comparative aspect of the long-term - 1989 - 2021. - dynamics of infection of commercial fish with parasites common to humans and animals, and determination of their role in the spread of invasions among ...
Vitomskova E.A., Zhuleva V.I.
doaj   +1 more source

Modern state of aquatic biological resources of the Amur River basin and directions of their research

Известия ТИНРО, 2020
Current status of aquatic biological resources in the middle and lower parts of the Amur River basin, including Lake Khanka and the Amursky Liman, is assessed. Generally high abundance of the water organisms is noted, but a downward trend is revealed. In
N. V. Kolpakov, D. V. Kotsyuk, V. I. Ostrovsky, N. N. Semenchenko, V. N. Koshelev, A. P. Shmigirilov, E. V. Ostrovskaya, E. I. Barabanshchikov, T. V. Kozlova, S. E. Kulbachny, E. V. Podorozhnyuk, O. V. Vilkina, M. E. Shapovalov   +12 more
doaj   +1 more source

Delta Smelt stress responses during fish salvage at the John E. Skinner Delta Fish Protective Facility, California

California Fish and Wildlife Journal, 2023
The John E. Skinner Delta Fish Protective Facility (Skinner Fish Facility) diverts entrained fish from the State Water Project’s pumping facilities in the southern Sacramento-San Joaquin Delta (the Delta) and transports them via tanker trucks away from ...
Virginia Afentoulis, Andrew Rockriver, Samreen Siddiqui, Lauren Damon   +3 more
doaj   +1 more source

An endangered regional cuisine in Sweden: the decline in use of European smelt, Osmerus eperlanus (L., 1758), as food stuff

Journal of Ethnic Foods, 2019
Only a handful freshwater fish species are still commercially sought after in Sweden. Subsistence fishing in lakes and rivers is also rare nowadays and has in general been replaced by recreational fishing.
Ingvar Svanberg, Armas Jäppinen, Madeleine Bonow   +2 more
doaj   +1 more source

Comparing Fish Density and Echo Strength Distribution Recorded by Two Generations of Single Beam Echo Sounders

Applied Sciences, 2019
Hydroacoustic acquisition was performed by means of two different single beam systems, the Simradmodel EK15 from 2015 and the Simrad model EY-M from the 1980s to explore potential differences of fish density and target strength (TS) distribution between ...
Arne N. Linløkken, Frode Næstad, Kjell Langdal, Kjartan Østbye   +3 more
doaj   +1 more source

Assessing the distribution and abundance of larval Longfin Smelt: What can a larval monitoring program tell us about the distribution of a rare species?

California Fish and Wildlife Journal, 2021
Following its listing as threatened under the California Endangered Species Act in 2009, Longfin Smelt (Spirinchus thaleichthys) became a focus of resource managers in the San Francisco Estuary.
Michael Eakin
doaj   +1 more source

Growth, feeding and economic importance of smelt (Osmerus eperlanus L.) in the Lake Miedwie [PDF]

Acta Ichthyologica et Piscatoria, 1978
The paper discusses growth, feeding, and economic importance of smelt (Osmerus eperlanus L.) in the Lake Miedwie. The growth rate was back-calculated from otoliths using the Dahl-Lea method.
R. Trzebiatowski, J. Gaj
doaj   +3 more sources

The Aluminum Smelting Process [PDF]

Journal of Occupational & Environmental Medicine, 2014
This introduction to the industrial primary aluminum production process presents a short description of the electrolytic reduction technology, the history of aluminum, and the importance of this metal and its production process to modern society. Aluminum's special qualities have enabled advances in technologies coupled with energy and cost savings ...
openaire   +2 more sources