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Crow damage to 'couped' or trapped ewes in Argyll, Scotland caused only slight economic damage. Crow predation on lambs and other causes of lamb morta...
Read moreHooded crows (Corvus cornix) in Argyll, Scotland could be divided into 2 groups, one of which held territories in which they bred in summer and the re...
Read moreModern porometers measure the rate at which water vapour diffuses out of leaves. The stomatal resistance can be deduced directly from this measurement...
Read moreAccessions of C. virginianum were tested for response to frosting in the field and in controlled environments. Accessions differed in their ability to...
Read moreThe device, which does not require attachment to the shoot apex, includes a light transmitter/receiver system that can be continually repositioned ove...
Read moreVariants examined included the rate of input of water to the canopy, the potential evaporation rate from the canopy, the storage capacity of the canop...
Read morePhytophagous arthropods on Juniperus are listed together with their parasitic and predaceous arthropods [see FA 34, 6805]. Also listed are general pre...
Read moreIn a study in an unsprayed cider-apple orchard in Bristol, England, on the importance of egg predation in the population dynamics of Cydia pomonella (...
Read moreLife tables and intrinsic rates of increase were obtained for Myzus persicae (Sulz.), Brachycaudus helichrysi (Kalt.) and Macrosiphoniella sanborni (G...
Read moreA simple model is proposed relating numbers of dispersing insects to distance from a release point and time. One form of the model, which is explained...
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