primary productivity in a sentence

Found inside – Page 121VERTICAL MIXING AND PRIMARY PRODUCTION John Marra Lamont-Doherty Geological Observatory Palisades, New York 10964 INTRODUCTION Vertical mixing, ... Found inside – Page 61CHAPTER THREE The relationship between soil available phosphorus and net primary productivity of alfalfa in a traditional Mexican agroecosystem ABSTRACT Continuously cultivated agricultural systems that rely primarily on endogenous ... Found inside – Page 5Primary Productivity in Aquatic Environments Proceedings of an 1.B.P. PF Symposium Pallanza , Italy , April 26 - May 1 , 1965 Edited by C. R. Goldman ... Found inside – Page 9Historical Survey of Primary Productivity Research inorganic CO2 + H2O –H light ... This sentence marked the beginning of the geochemical treatment of ... The book is comprised of three major sections. The first section is a review of the processes that operate globally to influence productivity--these are the initial conditions of any model of primary productivity. Found inside – Page 12Statistical summary of daily areal primary productivity in Lake Koocanusa , 1972–80 ly areal primary productivity , in milligrams of carbon fixed per square ... Found inside – Page 353.3 Sessile Primary Productivity Standing water sessile primary productivity was determined according to the standard protocol as defined by Standard Methods for the Examination of Water and Wastewater ( APHA , 1992b ) . PVC tiles with ... Found inside – Page 77The measurement of primary production. Limnol. Oceanog., 1: 72-83. Sargent, M. C. and T. S. Austin. 1949. Organic productivity of an atoll. Trans. Amer . Geophys. Un. , 30: 245-249. Sawyer, C. N. 1947. Fertilization of lakes by agricultural and ... Found inside – Page 2Net and gross primary productivity of water was analyzed following light and dark bottle techniques ( Strickland and Parsons , 1968 ) and modified by Qasim et al . ( 1969 ) . All precautions suggested by Vollenweider ( 1969 ) have been strictly ... Found inside – Page 4The organic material formed by the phytoplankton is called " primary production " and primary production per unit time per volume of water ( or under a unit ... Although Volume 1 deals mainly with phytoplankton, it ends with a comparison of the primary productivity of different major regions and of the factors responsible for varying production. Found inside – Page 73This lack of uniformity in the rate of photosynthesis should be kept in mind by those who wish to extrapolate to diurnal or annual primary productivity ... Found inside – Page 2QK 935 G45 S . I . O . BIOMASS AND PRIMARY PRODUCTIVITY OF NANNOPLANKTON IN EUTROPHIC LAKES Curt Gelin The dissertation is a summary of the following papers : I . Nutrient decrease and response of various phytoplankton ... Found inside – Page vPrimary productivity , insofar as it is marine , is predominantly an activity of the benthic or the phytoplankton algae . Ordinarily , primary productivity ... This volume is the result of the 37th Brookhaven Symposium in Biology, in which a wide spectrum of oceanographers, chemists, biologists, and modelers discussed the progress in understanding the role of primary producers in biogeochemical ... Principles and Standards for Measuring Net Primary Production in Long-Term Ecological Studies is the first book to establish a standardized method for measuring net primary productivity (NPP) in ecological research. Found inside – Page 194Bitter Only a small fraction is of high productivity wars have already been fought for the control of while vast areas are of ... not more than a tenth of the combined val - | ever , minerals played but a small part in the ue of all primary production . Found insideHarold LeRoy Allen ............ --◅ ====== * __,__ ~~~~ae ABSTRACT PRIMARY PRODUCTIVITY, CHEMO-ORGANOTROPHY, AND NUTRITIONAL INTERACTIONS OF EPIPHYTIC ALGAE. Found inside – Page 99Measurements of plant biomass and net primary product Techniques in Bioproductivity and Photosynthesis, 2nd edn Coombs, D.O. Hall, S.P. Long, ... Found inside – Page 75Root biomass studies in forest ecosystems . Pedobiologia 17 : 1-31 . Satoo , T. 1968. Primary production relations in woodlands of Pinus densiflora . p . 51-80 . In H. E. Young ( ed . ) Symposium on Primary Productivity and Mineral Cycling in ... Found insideThis edition of Professor Satoo's book has been made possible the help of Dr John F. Hosner and the Virginia Poly technical Institute and State University who invited Dr Satoo to Blacksburg for three months in 1973 at about the time when he ... Found inside – Page 6For regions where the regression equation applies , a pump . running - average annual primary productivity will be comThe fundamental goal of the OPPWG is ... This volume is the result of the 37th Brookhaven Symposium in Biology, in which a wide spectrum of oceanographers, chemists, biologists, and modelers discussed the progress in understanding the role of primary producers in biogeochemical ... Thanks are due to Mrs. Margaret Dienes, with out whose editorial skills this volume could not have been pro duced, and to Mrs. Helen Kondratuk as Symposium Coordinator. Found inside – Page 27Gerald Jennings Lawson. / I Above-ground Standing Foliage Net above-ground Biomass Production L. A. I.. Found inside – Page 9LIST OF TABLES Table Page 1 Correlations between primary productivity and environmental factors for 1 , 5 and 10 m . 61 2 Linear regressions comparing the ability of various factors to predict primary productivity and the efficiency of primary ... Found inside – Page 19... of the agricultural appropriation of net primary productivity (AANPP) for ... sensors and crop distribution and production statistics from SPAM. Found inside – Page 14Whitaker , T.M. ( 1976 ) Sea ice habitats of Signy Island ( South Orkneys ) and their primary productivity . In Adaptations within antarctic ecosystem's ... Found inside – Page 96proceedings of the International Workshop on Primary Productivity of European Agriculture and the Greenhouse Effect, Wageningen, the Netherlands, 5-10 April 1990 J. Goudriaan, H. van Keulen, H. H. van Laar. Found inside – Page 6MAJOR OBJECTIVES OF PRIMARY PRODUCTIVITY SAMPLING PROGRAM The method of computing primary productivity in terms of mass of carbon per cubic meter per hour ... Found inside – Page 210Primary production in lakes . Limnol . and Oceanogr . 1 : 85-91 . 1957. Daytime variation in phytoplankton photosynthesis . Limnol . and Oceanogr . Found inside – Page 58For most sampling dates mean river productivity was lower than lake productivity . Primary productivity in the lake generally increased from spring to late summer when it peaked strongly during the August blue - green algaebloom . After the ... Found inside – Page 107When Sverdrup (1955) presented a map of world ocean primary production based upon his understanding of the vertical advective regimes of nutrients in ... Found inside – Page 244The primary productivity of Long Island Sound is very high, approaching 470gCm−2 yr−1 (Riley et al. 1956), much of which is driven by anthropogenic ... Average annual primary productivity Research inorganic CO2 + H2O –H light –H light when it strongly... Driven by anthropogenic generally increased from spring to late summer when it peaked strongly during the August blue - algaebloom... Lake productivity ) have been strictly... found inside – Page 14Whitaker T.M! Page 9Historical Survey of primary productivity Research inorganic CO2 + H2O –H light )! Is a summary of the OPPWG is... found inside – Page 14Whitaker,.... 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