Flora and vegetation of UkijimaMire. Conservational flora of Hokkaido 2
Flore ; Géographie de l'Asie ; Hokkaido ; Japon ; Milieu humide ; Protection de la nature ; UkijimaMire
The AA. listed plant communities registered in UkijimaMire. They discussed on the standards of conservation values of species protected for nature conservation. The AA. designed Degree of muddiness to estimate tolerance of plants to treading
In the last 30 years, great achievements have been obtained from investigations on mire and peat resources throughout the country. Based on the researches in hydrology, climate, vegetation, soils, ecochemistry of landscape for the variety of mires
in different regions of China, it is found that forming factors, process and types of China's mires have their own features. Researches on models, databases, information systems, mire mapping and some experimental researches on integrated exploitation
and utilization of mire and peat resources have also been attempted.
Mire induction, ecosystem dynamics and lateral extension on raised bogs in the southern coastal area of Finland
The origins, development and lateral extension of the mire ecosystems of five raised bogs in Southern Finland representing different mire complex types were studied by means of 71 basal peat radiocarbon dates, stratigraphic analyses and morphometric
measurements and the results were compared with earlier (hydrodynamic) mire growth models. The purpose was to determine whether the development of a mire ecosystem is governed primarily by autogenous or allogenous processes and to assess what part is played
Five per cent of the area of the G.D.R. are peatlands. There are eight hydrological types : ancient lake mires, swamp mires, transgression mires, sloping mires a. o. The paper is a concentrated representation of the present knowledge
on the development of the mire types. Nowadays up to 85 % are used in agriculture. - (IH)
Climate envelopes of mire complex types in Fennoscandia
The aim of this work was to determine the extent to which the distribution of 4 main mire complex types (aapa mire, blanket bog, palsa mire, raised bog) can be modelled on the basis of climatological parameters. Additionally, the relative importance
of different climatological variables in influencing the distribution of different mire complex types was scrutinized using the variation partitioning method. The variation in the distribution of mire complex types was decomposed into independent and joint
The geobotanical development of spring-fed mires in Finnish Lapland
Surficial groundwater conditions, especially spring-fed mires in Central Finnish Lapland, are geobotanically interpreted with the aid of black-and-white and infra-red colour aerial photographs, together with field analyses of the vegetation at nine
selected case study sites. In addition, the effect of the composition of ground water on mire vegetation, and the structure and development of spring-fed mires during the Holocene are evaluated. The seeping springs situated on sloping mires
characteristically form crater-like hummocks rising 0,5 to 1,5 metres above the mire environment. They are composed mainly of Bryales or Carex-Bryales peat and in the light of pollen and C analysis they began to form at the end of the Pre-Boreal and beginning
Mires of Finland : regional and local controls of vegetation, landforms, and long-term dynamics
The A. examines the geographical patterns of the Finnish mires and the role of regional and local factors that lead to their spatial differentiation. Finland can be divided into 3 roughly latitudinal mire zones (from south to north) : the raised bog
zone, the aapa mire zone, and the palsa mire zone. Research on Finnish peat deposits has also shown that not all peat-stratigraphical changes are caused by past climate variations. They can also be due to the natural growth dynamics of the mires
Spatial modelling of palsa mires in relation to climate in Northern Europe
Palsa mires are mire complexes that occur in the Northern Hemisphere, representing one of the most marginal permafrost features at the outer limit of the permafrost zone. A climate-based generalized linear model (GLM) of the spatial pattern of palsa
mires is presented in relation to a large number of climatological variables using GIS tools. The results indicate a positive association of the distribution of palsa mires with increasing frost number and continentality, whereas precipitation
and temperature showed a negative correlation with the distribution of palsa mires. Additionally, interaction of thawing degree days and summer time precipitation showed a negative association.
Depth of snow and forst on a palsa mire, Finnish Lapland
Analysis of snow and frost measurements made on a palsa mire in Utsjoki, northernmost Finland from September 1984 to October 1985. Rather good multiple and logarithmic regressions were found between snow and frost depths of March and April
Radiocarbon evidence for rates of lateral expansion in raised mires in southern Finland
This work seeks to define the relevant factors that may constrain the size, shape, and rate of mire development by directly dating basal peat deposits by radiocarbon, at five peatlands in the boreal region of southern Finland.
Formation of a string and pool topography as expressed by morphology, stratigraphy and current processes on a mire in Kuusamo, Finland
A review is made of earlier work and theories on a formation of string mires, together with a report on detailed investigations carried out over seven years on a small string mire in eastern Finland, to determine the applicability of earlier
Investigating thickness and internal structure of alpine mires using conventional and geophysical techniques
Austria ; Geophysics ; Ground-penetrating radar ; Humid environment ; Mire ; Mountain ; Peat ; Soil properties ; Tirol
The aims of this contribution are firstly, to present data on thickness and composition of five interesting mires in the North Tyrolean Alps; secondly, to demonstrate the potential and limitations of geophysics, particularly GPR, in depicting
the mire base and thirdly, to find reasons for discrepancies and highlight the potential of combined data interpretation.
The form of raised peat mires can be considered to reflect the form of the saturated water mound. Here, the form of the mire is calculated for non-uniform, depth-dependent hydraulic conductivity of the peat deposit. Although requiring more
computational effort, the alternative model may offer a more appropriate description of the structure of the peat mire.
Aapasuon routaa säätelevät tekijät - esimerkkitapaus Kuusamosta (Factors controlling ground frost on an aapa mire in Kuusamo, Finland)
, the groundwater was seen principally in the fact that the mire accumulated less ground frost than other sites on average and that the frost began to melt almost a month earlier than in ordinary mineral soils.
Mire development and environmental change, Barrington Tops, New South Wales, Australia
Sediments began accumulating in nine mires on the Northern Tablelands of New South Wales, before 11,000 yr B.P., and peat become common in the region by 8600 yr B.P. Conditions in the early Holocene were warmer and moister than at present
Baltic Sea ; C 14 dating ; Coastal geomorphology ; Germany ; Holocene ; Isostasy ; Mire ; Palaeogeography ; Sea level ; Stratigraphy
The article deals with the relative sea-level, the isostasy, the sea-level fluctuations, the coastal mires, the macrofossils and the radiocarbon dating at Baltic Sea in North Eastern Germany. After a short geographic setting and data acquisition
the authors describe three case studies, the Körkwitz study site (mire Fischland located of the Saaler Bodden), the Augustenhof study site (small coastal mire located at the Großer Jasmunder Bodden) and the Wismar study site at the NE Germany Baltic Sea