Demersal species of fish

[Gallery Photo]Fish monitoring data from the Japanese Ministry of Agriculture, Forestry and Fisheries (MAFF) showed the change in total cesium (137Cs + 134Cs in Bequerels per kilogram) in bottom-dwelling (demersal) fish from the five prefectures in East Japan closest to the Fukushima Dai-ichi nuclear power plant (left plot). It also revealed differences in total cesium for five different fish types (Demersal: cod, conger, flounder, halibut, pollock, rockfish, skate and sole; Epipelagic: saury, sardines, anchovies; Pelagic: amberjack, mackerel, salmon, seabass, tuna; Neuston: Japanese sand lance, ice fish, shirasu; and Freshwater fish: farmed and native) over the same period (right plot). (Jack Cook, Woods Hole Oceanographic Institution)

WHOI senior scientist and marine chemist Ken Buesseler (foreground) checks a CTD sampler prior to deploying the instrument to collect data and water samples from the ocean off the coast of Fukushima, Japan. (Ken Kostel, Woods Hole Oceanographic Institution)

Japan fisheries data provides a look at how the ocean is faring 18 months after the worst accidental release of radiation to the ocean in history


Japan's "triple disaster, " as it has become known, began on March 11, 2011, and remains unprecedented in its scope and complexity. To understand the lingering effects and potential public health implications of that chain of events, scientists are turning to a diverse and widespread sentinel in the world's ocean: fish.

Events on March 11 began with a magnitude 9.0 earthquake, the fourth largest ever recorded. The earthquake in turn spawned a massive 40-foot tsunami that inundated the northeast Japanese coast and resulted in an estimated 20, 000 missing or dead. Finally, the wave caused catastrophic damage to the Fukushima Dai-ichi nuclear power plant, resulting in the largest accidental release of radiation to the ocean in history, 80 percent of which ended up in the Northwest Pacific Ocean.

Dietary Accumulation of PCBs from a Contaminated Sediment Source by a Demersal Fish Species (Leiostomus xanthurus)
Book (PN)

You supposed to be a marine?

2011-03-01 16:44:21 by not-a-clown-fish

Bat·fish   /ˈbætˌfɪʃ/ Show Spelled
[bat-fish] Show IPA
–noun, plural ( especially collectively ) -fish, ( especially referring to two or more kinds or species ) -fish·es.
1. any of the flat-bodied, marine fishes of the family Ogcocephalidae, as Ogcocephalus vespertilio, common in the southern Atlantic coastal waters of the U.S.
2. a stingray, Aetobatis californicus, found off the coast of California.
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.. structure, whereby sea grasses or primary producer organisms are at the bottom of the pyramid, followed successively by primary, secondary, and tertiary consumer organisms, including fish, as you move up the pyramid, with top predatory fish at the ..

Deterministic yield per recruitment simulations of mixed-species fisheries (C.M. 1982 / G : 35. Demersal Fish Committee)
Book (International Council for the Exploration of the Sea)
Variations in catchrates and species composition of trawl surveys in the Java Sea subareas, 1978 (Contribution of the Demersal Fisheries Project)
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VPA-analysis with species interaction due to predation (C.M)
Book (International Council for the Exploration of the Sea, Demersal Fish Committee)

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