Proceedings of the 9th International Peat Congress Uppsala 1992 Vol 3

Peat in Nature and Industry - A Matter of Balance

Volume 3

Editor: Dag Fredriksson

Commission IV and Poster Exhibition

Special Edition of the International Peat Journal

ISSN 0782-7784

CONTENTS

Commission IV

Effect of peat humic substances on microbial metabolism: Martin A. M.

Influence of peat biostimulators on the content of nitrates and heavy metals in leaf vegetables: Ilnicki P., Wójcik R., Pudelski T., Malak A. and Ziółkowska A.

Fertilisation of peats and organic soils for improved livestock nutrition: A study of chemical impacts in a real-world application: Kaye K. J.

Chemical fractionation of peat and C-14 age determinations of the fractions – new light on peat formation: Hänninen K. and Kankainen T.

Characterization of changes in biochemical and biological activity of peats during humification: Hargitai L.

Heavy metal contents of peat samples; microwave sample preparation and analysis by graphite furnace atomic absorption spectrometry (GFAAS): Siltaloppi L., Laitinen L., Lehtovaara J. and Herranen M.

The study on microbes of mire soil and their impacts on mire ecosystems development in the Sanjiang plain, China: Yang Yongxing, Pang Zhiping and Yang Yujun

Runoff water quality of bogs drained for forestry and mined for peat – a comparison: Sallantaus T.

Correlation between bulk density and water holding capacity of fen-peats: Okruszko H. and Szymanowski M.

A study of a thousand year old sealing layer of peat from a mine waste area: Eriksson J. A. and Qvarfort U.

Methane production from peat, regulated by organic chemical composition, element- and anion concentrations, pH and depth: Nilsson M.

New ecological long-action peat-based fertilizers: Bulganina V. N. and Kuznetsova L. M.

Potential methane oxidation in a sphagnum peat bog: relation to water table level and vegetation type: Sundh I., Mikkelä C., Nilsson M. and Svensson B.

Methane emissions from a Swedish peatland area: temporal and spatial variation: Mikkelä C., Sundh I., Eilertsson J., Svensson B. and Nilsson M.

Phenolic acids relating to lignin in peat soils: Katase T.

Structure and water-physical properties of peat and their directed regulation: Bazin E. T.

The process of elastic plastic deformation of frozen peat under axis-symmetric loading: Mironov V. A.

Peat based products for environmental protection: Shanahan I.

Chemical contents of peat soil and Sphagnum-species from different mires by x-ray spectrometric techniques: Omote J.

Biogeochemistry of organic soils: Kreshtapova V. N. and Shishov L. L.

Poster Exhibition

Hydrology of natural raised bogs in western Europe: van der Molen W. H., Pons L. J., van der Schaaf S. and Schouwenaars J. M.

Peat deposits in Greece: Broussoulis I. and Christanis K.

A new step of mire conservation in Finland: Heikkilä R., Lindholm T. and Heikkilä H.

Influence of the ground-water table on the moisture regime of peat soils of northwest Germany: Burghardt W.

About the temporal dynamics of hollows on some Estonian bogs: Karofeld E.

Identification of the hydrological conditions of hydrogenic habitats alimentation in Poland: Dembek W. and Oswit J.

Dynamics of the development of two Baltic type raised bogs in northern Poland: Herbichowa M.

In situ measurement of acrotelm transmissivity: van der Schaaf S., van ’t Hullenaar J. W., ten Kate J. R. and van der Molen W. H.

The characteristics on the accumulation of peatland and their depositional environment in past 5000 years in the Songliao plain of Northeast China: Wang Peifang.

Peat in Romania: Capusan E.

The ‘potential bog area’ as a quantitative ecological standard for evaluating external hydrological impacts on a degenerated bog area: van Walsum P. E. V. and Joosten J. H. J.

The peat bog “Jarczow” by Tomaszow Lubelski /SE Poland/: Frankiewicz G., Frankiewicz J. K., Matl K. and Walczyk J.

Chemistry of peat water from some peatland sites in Peninsular Malaysia: Radzi-Abas M., Ahmad-Shah A. and Mohd-Jamil A. S.

Improvement of road with consideration to the mire hydrology: Umeda Y., Tsuiji T., Fujita H. and Inoue T.

Soil and energy characteristics of three soil cores from the Changuinola peat deposit, Changuinola, Panama: Malterer T. J. and Cohen A. D.

Peat soils in Indonesia, taxonomy and distribution: Rosmarkam A.

United States peat supply-demand fundamentals: Cantrell R. L.

Multivariate drying models for milled peat: Hillebrand K., Kallio M. and Frilander P.

Effects of drainage on air temperature at a bog in western central Sweden: Lundin L. and Nilsson T.

Measured and simulated temperature and moisture in a peat soil in western central Sweden: Nilsson T. and Lundin L.

Plant growth of six different tree species on a cutover peat area fertilized with wood ash: Nilsson T.

Rehabilitation of mires in Finland: Lindholm T., Seppä H. and Vasander H.

In situ determination of the moisture desorption characteristics of peat substrates using time-domain reflectometry and tensiometers: Caron J., Paquet J. M., Allaire S. and Banton O.

Ammonia sorption by some ombrotrophic Quebec peats: Abbes C., Parent L. E., Karam A. and Visser S. A.

Time series analysis of phosphate ion activities in cultivated organic soils: Bolinder M. A., Parent L. E., Caron J. and Tremblay N.

Potassium fertilization on peatland forests: Kaunisto S. and Moilanen M.

Choice of growing media for pot plants: Reinikainen O.

Nitrogen dynamics and control in organic soils: A review: Otabbong E. and Linden B.

Subsidence of cultivated peat soils — two case studies in Sweden: Berglund K.

Soil moisture retention in drained and undrained Alberta peatlands: Silins U. and Rothwell R. L.

Determination of surface charge on peat particles: Bergner K.

Water dynamics in peat, part I: Basic studies of water diffusion in peat particle size fractions during lowering of the water content, using ¹H NMR and multivariate data analysis: Karlström H. and Nordén B.

Micropetrology of peat in the northeast of China: Wu Chaodong.

Peat and balneology: Korhonen R. and Pihlaja K.

Site preparation (mounding) on productive peatlands: Åkerström L.

Classification of peat deposits in Karelia: Kuznetsov O. L.

Role of carbohydrates in the water retention of peat: Thun R., Alen R. and Kuoppala E.

Long-term records of peat and carbon accumulation in bogs in eastern Canada: Warner B. G., Belyea L. R. and Charman D. J.

Research on the ecological function of complex agricultural ecosystem of mire and peatland: Yang Yongxing, Liu Xingtu and Yang Yujuan.

Author Index