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In November 1970 the acidity of Calthorpe broad in Norfolk, and some adjacent ditches, changed abruptly from near-neutrality to just above pH 3. Most ...
Read moreA study in young lodgepole pine forest near Prince George, BC, Canada, from 1979 to 1983 during the late increase, peak and decline phases of the Lepu...
Read moreThis paper details the plant species present in the natural areas of the Chicago Botanic Garden in Glencoe, Illinois, USA. The document reflects speci...
Read moreThis article describes the current regulations and questions on how best to regulate the capture and handling of wild animals by citizen scientists in...
Read moreThis paper describes the research process of developing the Nature Futures Framework (NFF) and how it became the starting point for a longer-term proc...
Read moreLight interception by model hedgerow orchards and light distribution over their surfaces were investigated using a computer for the direct light calcu...
Read moreThe principle threats for sustainable production of wild collected medicinal plants are related to ecological factors, such as endemism, and botanical...
Read moreSeasonal changes in the photosynthesis of tea were measured with a 14C technique during two years in Malawi. Photosynthesis did not decrease at the be...
Read morePerennial ryegrass, wheat, red clover and lucerne were grown on soil in pots with and without added K; foliage was leached with simulated rain and the...
Read moreMeasurements were made of CO2 exchange by sods taken from a Phalaris tuberosa/Trifolium repens temperate grassland to determine their net primary prod...
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