Buck eugene upton harold (3 Ergebnisse)

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Zustand: New. KlappentextThere continues to be congressional interest in limiting human activity in certain areas of the marine environment, as one response to mounting evidence of declining environmental quality and populations of living resources. T.

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Kartoniert / Broschiert. Zustand: New. KlappentextOpen ocean aquaculture is broadly defined as the rearing of marine organisms in exposed areas beyond significant coastal influence. Open ocean aquaculture employs less control over organisms and the surrounding environment tha.

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Zustand: New. KlappentextFour species of non-indigenous Asian carp are expanding their range in U.S. waterways, resulting in a variety of concerns and problems. Three species-bighead, silver, and black carp-are of particular note, based on the perceiv.