Study Looks At Movement of Plastic Through Urban Watershed And Impacts Of Ingestion By Fish

March 26th, 2020

In a sampling of fish from a creek that flows into San Diego Bay, nearly a quarter contain microplastics, according to a new study published in the journal PLOS ONE. The study, which examined plastics in coastal sediments and three species of fish, showed that the frequency and types of plastic ingested varied with fish species and, in some cases, size or age of fish.

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Study Says Irrigation Of Cattle Feed Crops Single Largest Consumptive Use Of Water, 32 Percent In Western U.S.

March 5th, 2020

Across the globe, humans are using freshwater resources faster than those resources can be naturally replenished. In the Western United States, for example, water extractions from the Colorado River have exceeded total river flow, causing rapid depletion of water storage reservoirs. In addition, as these water sources dry up, species of fish, plants and animals are also adversely impacted.

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Study Finds 1-Year Hatchery Steelhead Males More Spawning Success Than 2-Year; Info Helps Optimize Rearing Strategies

January 30th, 2020

Steelhead reared in a hatchery for one year consistently outperformed males reared in the hatchery for two years when competing for spawning opportunities, although one and two year old female steelhead did not differ in their ability to produce offspring, according to recent study.

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