Last edited by Akilar
Tuesday, May 12, 2020 | History

1 edition of Biological productivity of Britain. found in the catalog.

Biological productivity of Britain.

Biological productivity of Britain.

  • 190 Want to read
  • 17 Currently reading

Published by Institute of Biology in London .
Written in English

    Places:
  • Great Britain.
    • Subjects:
    • Agriculture -- Great Britain.,
    • Land use -- Great Britain.

    • Edition Notes

      Includes bibliographies.

      StatementEdited by W. B. Yapp and D. J. Watson.
      SeriesSymposia of the Institute of Biology,, no. 7, Symposia of the Institute of Biology ;, no. 7.
      ContributionsYapp, W. B. 1909- ed., Watson, Donald John, 1906- ed.
      Classifications
      LC ClassificationsS455 .B56
      The Physical Object
      Paginationxii, 126 p.
      Number of Pages126
      ID Numbers
      Open LibraryOL5229911M
      LC Control Number75297867

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Biological productivity of Britain Download PDF EPUB FB2

Genre/Form: Congress: Additional Physical Format: Online version: Biological productivity of Britain. London, Institute of Biology, (OCoLC) Other articles where Biological productivity is discussed: inland water ecosystem: Biological productivity: Central to all biological activity within inland aquatic ecosystems is biological productivity or aquatic production.

This involves two main processes: (1) primary production, in which living organisms form energy-rich organic material (biomass) from energy-poor inorganic materials in. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

The concept of biological productivity is similar in many respects to that of soil fertility, but it is broader in content and scope because it can be applied to any biogeocenosis or ecosystem. The term “biological productivity” is also applied from time to time to cultivated communities whose productivity is largely the result of social labor.

Savanna - Savanna - Biological productivity: Savannas have relatively high levels of net primary productivity compared with the actual biomass (dry mass of organic matter) of the vegetation at any one time. (For a full discussion of productivity, see biosphere: The photosynthetic process.) Most of this productivity is concentrated into the period during and following the wet season, when water.

Biological productivity may apply to a single organism, a population, or entire communities and ecosystems. Productivity can be expressed in terms of Biological productivity of Britain. book matter produced per area per time (net production), or in terms of energy produced per area per time (gross production = respiration + heat losses + net production).

Productivity fuels life in the ocean, drives its chemical cycles, and lowers atmospheric carbon dioxide. Nutrient uptake and export interact with circulation to yield distinct ocean regimes.

In ecology, productivity refers to the rate of generation of biomass in an is usually expressed in units of mass per unit surface (or volume) per unit time, for instance grams per square metre per day (g m −2 d −1).The mass unit may relate to dry matter or to the mass of carbon generated.

Productivity of autotrophs such as plants is called primary productivity, while that of. Inheritors of the Earth review – embrace the biological revolution The human age is one of extinction, but Chris D Thomas’s book paints a provocatively optimistic picture of new species diversity.

1. BIOLOGICAL PRODUCTIVITY OF WATER BODIES Jitendra Kumar Depat. Fisheries Resource Management) College of Fisheries, Mangalore [email protected] 2. Introduction • Biological productivity as an index of water quality and production potential of cultured organism needs prime consideration for site selection.

Bradley succeeded in conceptualizing biological productivity in terms—monetary investment vs. profit—that could be applied to organisms as different in form and habitat as trees, grapevines, and crayfish This form of measurement was not precise enough to have served as a basis for actual comparisons of production rate.

His way of thinking, however, could have been applied with Cited by: 3. The book had its origin in the parallel interests of the two editors and Gene E. Likens, which led them to prepare a symposium on the topic at the Second Biological Congress of the American Institute of Biological Sciences in Miami, Florida, Octo The Future of Man documents the proceedings of a Symposium held at the Royal Geographical Society London, on April 1, This book deals with choices that man makes or may make, attempting to understand the paradox that the more man knows about himself and the environment the more baffling and controversial his choices become.

Oceanography (compound of the Greek words ὠκεανός meaning "ocean" and γράφω meaning "write"), also known as oceanology, is the study of the physical and biological aspects of the is an important Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and the geology of the sea.

Concept of productivity. The biological productivity of aquatic systems, as of land, has been at several levels, the basic or primary productivity which is again divisible into gross and net primary productivity, and secondary productivities at the various trophic levels (discussion preceding).

Basic or primary productivity, is defined as the rate at which energy is stored by photosynthetic. Definition of Biological productivity: The quantity of organic matter or its equivalent in dry matter, carbon, or energy content which is accumulated during a given period of time.

This is the common definition for Biological productivity, other definitions can be discussed in the article. Biological productivity (or primary productivity), expressed as the harvestable yield in tons per hectare at a specific location for a complete growing season is based on the use of a computerised model combining rainfall, evaporation, vegetation and soil characteristics, including space imaging, spectrometry and biochemical methods.

Britain has a productivity problem. Although on average we work longer hours than Germany and France, we actually produce less per worker than they do.

While this issue took a back seat during the election campaign, the Chancellor has stated that addressing the causes of low productivity is high on his agenda for this parliament.

Drawing on recently declassified documents, this book charts the secret history of germ warfare policy from the s to the mids. Britain and Biological Warfare explores the role of independent advisors in shaping one of the most significant biological warfare research programmes in by: 8.

This accessible and timely book provides a comprehensive overview of how to measure biodiversity. The book highlights new developments, including innovative approaches to measuring taxonomic distinctness and estimating species richness, and evaluates these alongside traditional methods such as species abundance distributions, and diversity and evenness statistics.

This book is a technical one, but if you’re into productivity, it’s a must-read. Its main idea is that the more tasks, projects, and commitments you get out of your head (and into some external system), the more mental clarity you’ll have throughout the day, and the more productive you’ll become.Physical Chemistry for the Chemical and Biological Sciences Book Summary: Hailed by advance reviewers as "a kinder, gentler P.

Chem. text," this book meets the needs of an introductory course on physical chemistry, and is an ideal choice for courses geared toward pre-medical and life sciences students. Physical Chemistry for the Chemical and Biological Sciences offers a wealth of applications.Biological product definition is - a complex pharmaceutical substance, preparation, or agent of organic origin depending for its action on the processes effecting immunity and used especially in diagnosis and treatment of disease (such as a vaccine or pollen extract); also: any such complex product of organic or synthetic origin obtained or standardized by biological methods or assay (such as.