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Bare soil evolved a maximum of 7 g CO2/m2/day in summer and a minimum of 1 g/m2/day in winter; the Q10 was 3. Root respiration, i.e. the difference in...
Read moreAbove-ground parts of maize and Typha angustifolia ecosystems contained 2.8 and 4.4 µc 90Sr/ha, amounts similar to those found in pastures where most ...
Read moreOutlines the history of vegetation on the island and presents data and maps showing the condition in 1958 of plants, including ca. 20 tree species, in...
Read moreTwenty-one agronomic varieties and local populations of D. glomerata ssp. euglomerata and two of ssp. lusitanica from a wide range of habitats were st...
Read moreThe findings are discussed in relation to the pollination of sunflowers.
Read morePatterns of leaf expansion, under various light and temperature régimes, were studied in races of L. perenne and D. glomerata representing the climati...
Read moreSoils supporting Rhizophora racemosa, R. harrisonii, R. mangle and Avicennia germinans are described. When they are drained, soils which have carried ...
Read moreIn late 1959 the above-ground parts of cattail and maize ecosystems contained 4.4 and 2.8 µc/ha Sr90 respectively, much less than the annual fallout. ...
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