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Observations on the biology and ecology of rainbow trout, <i>Oncorhynchus mykiss</i>, and its implications for fisheries in the highlands of Papua New Guinea

Sepik River Fish Stock Enhancement Project: PNG/85/001. Field Document No. 21









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    Report on the biology and ecology of the introduced tilapia Oreochromis mossambicus (Peters) (Pisces:Cichlidae) in the Sepik River, Papua New Guinea, and the social and economic impact of its introduction
    Sepik River Fish Stock Enhancement Project: PNG/85/001. Field Document No. 10
    1989
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    The actual landmass of New Guinea and the smaller islands lie between the two major plates, the stable continental plate of Australia to the south and the deeper Pacific basin to the north . The collision and subsequent northward movement of the former and the westward movement of the latter plate has created uplifted sections in the centre of the island thus forming the central highlands. These mountain ranges effectively create two different zoogeographic zones in the northern and southern reg ions of New Guinea. Freshwater fish fauna in the two regions are distinct, the southern species shown a resemblance to the fauna of northern Australian whereas those in the north show a high degree of endemism
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    Fisheries survey of the upper Purari River. Part 1: Methods and Description of sampling station
    Sepik River Fish Stock Enhancement Project: PNG/85/001. Field Document No. 20a
    1993
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    From August 1991 to August 1992 a fisheries survey of lower order streams of the upper Purari River, Papua New Guinea, was undertaken as part of the Sepik River Fish Stock Enhancement Project. The aim of this survey was to get general information on fishes and fisheries in the upper Purari and to get information on the biology of the introduced rainbow trout.
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    Fisheries survey of the upper Purari River. Part 2: Results and discussion
    Sepik River Fish Stock Enhancement Project: PNG/85/001. Field Document No. 20b
    1993
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    This report provides results and discussion of data from a fisheries survey in lower order streams of the central Highlands of Papua New Guinea undertaken from August 1991 to August 1992. The survey can be considered as an extension of a similar survey of the Sepik/Ramu catchment undertaken by Van Zwieten as part of phase one of the Sepik River Fish Stock Enhancement Project (SRFSEP) (Van Zwieten 1990).

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