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Tuesday, October 6, 2020 | History

2 edition of Enhancement of natural populations of moi (polydactylus sexfilis) in Hawaii through the release of hatchery-reared juveniles found in the catalog.

Enhancement of natural populations of moi (polydactylus sexfilis) in Hawaii through the release of hatchery-reared juveniles

Teegavarapu R. Rao

Enhancement of natural populations of moi (polydactylus sexfilis) in Hawaii through the release of hatchery-reared juveniles

a feasibility study of sea ranching

by Teegavarapu R. Rao

  • 223 Want to read
  • 21 Currently reading

Published by Hawaii Institute of Marine Biology, University of Hawaii in Honolulu .
Written in English

    Subjects:
  • Fish-culture -- Hawaii.

  • Edition Notes

    Bibliography: p. 43-46.

    Statementby Teegavarapu R. Rao.
    SeriesTechnical report - Hawaii Institute of Marine Biology ; no. 33, Technical report (Hawaii Institute of Marine Biology) -- no. 33.
    ContributionsHawaii Institute of Marine Biology.
    The Physical Object
    Pagination46 leaves ;
    Number of Pages46
    ID Numbers
    Open LibraryOL14174068M

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Enhancement of natural populations of moi (polydactylus sexfilis) in Hawaii through the release of hatchery-reared juveniles by Teegavarapu R. Rao Download PDF EPUB FB2

Enhancement of Natural Populations of Moi (Polydactylus Sexfilis) in Hawaii Through the Release of Hatchery-reared Juveniles -- a Feasibility Study of Sea Ranching.

By Teegavarapu R. Rao. Abstract. 46 leaves ; 28 has been a drastic decline in recent years in the commercial catches of moi (Polydactylus sexfilis) in Hawaii. Encouraged Author: Teegavarapu R. Rao. The book shows how bifurcations between the solutions of models can help understand regime shifts in natural populations and ecosystems once thresholds in rates of births, deaths, consumption, competition, nutrient inputs, and decay are crossed.

This book is a comprehensive and authoritative handbook of biological control. Show less For many years the use of chemical agents such as pesticides and herbicides has been effective in controlling the many varieties of pests that infest both agricultural crops and backyard gardens.

The Numbers Game: Myths, Truths and Half-Truths about Human Population Growth and the Environment By Motavalli, Jim E Magazine, Vol. 15, No. 1, January-February Read preview Overview Sustainability Ethics: World Population Growth and Migration By Cairns, John, Jr Mankind Quarterly, Vol.

45, No. 2, Winter The book discusses the huge diversity of organisms used in the control of pests, weeds and plant pathogens, and compares the many different strategies referred to as 'biological control': the introduction of exotic natural enemies, application of predators, parasitoids, and microorganisms as biopesticides, and manipulation of the environment to Cited by: A younger population has a higher rate of natural increase; a high rate of natural increase in turn lowers the median age of a population.

In Africa, which has the highest birth (40/1,) and growth (%) rates, only 56% of the population are older than 15 years. In contrast, in Europe, where average birth rates have been. enhancement of a fishery with marginal natural reproduction by stocking, 4) rehabilitation of a depleted fishery by stocking or control of harvest.

Often, managers have concentrated on manipulation of. this book will be useful to the people interested in medicinal plants, conservation, but also has great prospects for livelihood enhancement. Thus, Often to the detriment Of natural habitats and mother populations in the countries of.

In his book A Theory of Justice (), American philosopher John Rawls argued that "Over time a society is to take steps to preserve the general level of natural abilities and to prevent the diffusion of serious defects".

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Excerpt Both the beginning and the completion of this writing project were prompted by methodological innovations that profoundly influenced the questions asked by evolutionary biologists.

However, stocked fish may be released into unaffected parts of the river catchment or lake, and the impact on the wild stocks in these areas must be considered.

In this situation, stocking is a permanent solution and is unlikely to lead to a self-sustaining natural population because the underlying reason for the stocking has not been removed.

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Environmental degradation is the deterioration of the environment through depletion of resources such as air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and is defined as any change or disturbance to the environment perceived to be deleterious or undesirable.

As indicated by the I=PAT equation, environmental impact (I) or. ISBN: OCLC Number: Language Note: English. Description: 1 online resource: Contents: 1. Study of Selection --Estimation of mating cycle components of selection in plants --Population genetics of Zoarces viviparus (L.), a review --A study of sexual selection in natural populations of the milkweed beetle, Tetraopes.

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