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The following is substantially the authors' summary. To provide means of predicting with precision the duration of the puparial stage of Glossina mors...
Read moreA simple model was constructed which predicted the rates of leaf photosynthesis (Fc) of the temperate C4 species S. townsendii, in the field, from the...
Read moreGases released from two decay systems (leaf litter, animal carrion) were analysed with a simple gas chromatograph. The apparatus provides a convenient...
Read moreMeasurements of web cover, aphid availability and aphid capture were made in fields of winter wheat in West Sussex and East Anglia, England, in 1981 a...
Read moreTo date, the anchorage and wind load of urban trees can only be assessed in static load tests. These are complex and expensive, and the reliability of...
Read moreThe ecological development of reclaimed coal mine waste near the timberline in southeastern British Columbia was examined by comparing six sites reveg...
Read moreAgrobacterium tumefaciens was used to introduce two marker genes (kanamycin resistance and β-glucuronidase) into tobacco. These plants were grown in a...
Read moreGrazing by ungulate herbivores can greatly alter nitrogen ([N]) and phosphorus ([P]) concentrations in plants and soils. It is not clear, however, how...
Read moreThe 'Quantimet' Image Analysing Computer was used to measure the length of roots washed out from soil, and a new autoradiographic (32P) method for mea...
Read moreAbandoned cutover peatlands are persistent sources of atmospheric CO2. Net ecosystem CO2 exchange and Sphagnum net primary production of an abandoned ...
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