Download or read book Commercial Fishery and Biology of the Fresh water Shrimp Macrobrachium in the Lower St Paul River Liberia 1952 53 written by George C. Miller (Zoologist) and published by . This book was released on 1971 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A small fishery was conducted for the large commercial fresh-water shrimp, Macrobrachium vollenhovenii, using traps. A second smaller species, M. macrobrachion, was culled from the trap catch for the fishermen's use. The estuarine fishery was seasonal (May to January) during the period of low salinity. Cost of raw tail meats to the consumer was over $1.00 (U.S.) per pound. The fishermen derived more than $7,500 from the fishery. Commercial shrimp, M. vollenhovenii, spawned in the estuary from May to January. Fecundity was estimated at 12,000 to 45,000 eggs per female. As the embryo developed the color of the egg changed from red to brown. Embryonic and larval development to time of setting of M. vollenhovenii was believed similar to that of M. rosenbergii, 50 to 65 days. An intensive push-net fishery was conducted by women on the zero age group soon after the juveniles had set. Juvenile shrimp were not caught by traps. Monthly length distributions indicated that the fishery was supported by age group one, which was replaced at the end of the season by age group zero. Age group zero grew rapidly and reached a modal length of 75 to 80 mm. in 9 months in January; and adults grew slowly and increased in length to 85 to 90 mm. in May, and 100 to 105 mm. in November. The weight-length relation of M. vollenhovenii ovigerous females was expressed by the equation Low W = --4.656603 + 3.011392 Log L, and males and nonovigerous females by Log W = --4.829560 + 3.092213 Log L. The characters used to distinguish M. macrobrachion from the commercial shrimp are given. The smaller species (modal length 50 to 54 mm.), constituted 88 percent of the shrimp discarded from the commercial catch. The trap fishery harvested the adults of the two species, which differed considerably in length, without harm to either species.
Download or read book Commercial Fishery and Biology of the Fresh water Shrimp Macrobrachium in the Lower St Paul River Liberia 1952 53 written by George C. Miller and published by . This book was released on 1971 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Commercial Fishery and Biology of the Freshwater Shrimp Macrobrachium in the Lower St Paul River Liberia 1952 1953 written by George C. Miller and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Commercial Fishery and Biology of the Freshwater Shrimp Macrobrachium in the Lower St Poul River Liberia 1952 53 written by G. C. Miller and published by . This book was released on 1971 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sea bottom Photographs and Macrobenthos Collections from the Continental Shelf Off Massachusetts written by Roland L. Wigley and published by . This book was released on 1970 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Special Scientific Report written by and published by . This book was released on 1970 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NOAA Technical Report NMFS SSRF written by and published by . This book was released on 1971 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Inhibition of Flesh Browning and Skin Color Fading in Frozen Fillets of Yelloweye Snapper Lutjanus Vivanus written by Harold C. Thompson and published by . This book was released on 1972 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Electric Detector System for Recovering Internally Tagged Menhaden Genus Brevoortia written by Rick Parker and published by . This book was released on 1972 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1971 with total page 1290 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Download or read book Fishery Publication Index 1965 74 written by Mary Ellen Engett and published by . This book was released on 1977 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publications are listed numerically and indexed by author and subject.
Download or read book The Geology of Liberia written by Robert Lee Hadden and published by . This book was released on 2006 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bibliography on the water and geological information or Liberia was begun in 1995 as a request through the US Department or State by the Government or Liberia. It brings together selected citations from a variety of different cartographic, geographical, geological and hydrological resources and specialized library collections. Most of the citations have location information on where these items can be located and used on site, and either borrowed through inter-library loan or purchased through a commercial document delivery services.
Download or read book Fishery Bulletin written by and published by . This book was released on 1983 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1972 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NOAA Technical Report NMFS CIRC written by and published by . This book was released on 1972 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of the National Marine Fisheries Service for the Calendar Year written by United States. National Marine Fisheries Service and published by . This book was released on 1973 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book United States Department of Commerce Publications written by United States. Department of Commerce. Office of Publications and published by . This book was released on 1971 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
