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One ml Kjeldahl digest containing 1-25µg N is pipetted into a specimen tube. A nylon fabric disc is placed in a depression inside the plastic cap and ...
Read moreHabitat loss and fragmentation are serious threats to biodiversity, especially in the Amazon Basin, where biodiversity is greatest and deforestation i...
Read moreModified versions of the classic disease/host differential equation models were applied to rates of harvesting, sterilization and vaccination required...
Read moreRadio-collared rabbits were located during the day throughout the year on an area of sand dunes in the east of Scotland, UK, in 1986-89 to study their...
Read moreHabitat connectivity is a crucial determinant of population dynamics in fragmented landscapes. The corollary of the emphasis on maintaining connectivi...
Read moreIn a survey of areas beside 12 main roads (with the road number prefix 'A') in the UK in June-September 1989, it was found that verges and central res...
Read moreThe effects of the provision of within-field grass habitats for the overwintering of natural enemies of Aphididae were studied in 1987-90 in the UK. D...
Read morePlants of Ayrshire and Scotia perennial ryegrass and of Daeno II and Scotia cocksfoot spaced 2 and 4 cm apart were grown in boxes in pure stand and in...
Read moreAn approximate solution is presented of the differential equation describing soil-moisture flow towards a root absorbing water at a periodically varyi...
Read moreIn order to determine the influence of habitat shape on aspects of the population dynamics of birds, 196 male red-capped robins (Petroica goodenovii) ...
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