Sentence examples for native fish stocks from inspiring English sources

District judge William Ashworth said: "The release of non-active species into the marine environment is regulated precisely because the potential impact on native fish stocks could be significant.

Within a few decades, the massive predator, which can grow to more than six feet long and weigh up to 450 pounds, had gobbled up much of the lake's already depleted native fish stocks, causing an estimated 300 species to disappear.

How would we ensure that native fish stocks recover and are not subsequently overfished once again?

This approach is thoughtful and would provide a unique opportunity to increase our fish stocks and supply through alleviating the pressure of invasive predatory species on native fish stocks and providing the invasive species as supply for the market.

The impact of M. cerebralis in Europe is somewhat lessened because the species is endemic to this region, giving native fish stocks a degree of immunity.

It has undergone multiple anthropogenic changes over the past century, including overfishing of native fish stocks, eutrophication, and the introduction of several non-native fishes in the 1950s and 60s, most notably the predatory Nile perch, Lates niloticus (see reviews by Kaufman 1992; Balirwa et al. 2003; Chapman et al. 2008).

Scientists recently discovered that Beitstadfjord, which is a part of the famous Trondheimsfjord in Norway, has found its native fish stock annihilated by helmet jellyfish.

The initial research focus for the Franklin location is to develop a comprehensive Atlantic salmon breeding program from native North American fish stocks leading to the development and release of genetically improved salmon to commercial producers.

This suggestion was acted upon and in 1889 the first non-native fish were stocked into Yellowstone waters, a practice that continued until 1955 and helped create the angling experience Yellowstone National Park is renowned for.

The use of non-native fish for stocking can cause the introduction of novel genetically-based features into the wild population and can break up co-adapted gene complexes that may lead to out-breeding depression [ 8].

The delta is the central switching yard where water from the Sacramento River is either sent south to agribusinesses and cities or to the west, where it supports diminishing stocks of native fish as it flows into San Francisco Bay.