Rosette_sampler_EPA.gif(pikisal 288 × 432, girman fayil: 78 KB, irin MIME: image/gif)

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English: View of a rosette sampler, used to collect water samples for water quality testing. This type of sampler can be used in deep water for locations such as the Great Lakes and oceans.
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Masomi "Great Lakes Monitoring: Sampling Equipment"
Marubucin U.S. Environmental Protection Agency, Chicago, IL

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Public domain
Public domain
This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.

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EPA logo
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water quality is super important in an ecosystem based fisheries management system

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depicts Turanci

11 Maris 2011

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na yanzu04:59, 10 Mayu 2011Wadar sufa ta zubin 04:59, 10 Mayu 2011288 × 432 (78 KB)Moreau1

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