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The responses of herbaceous vegetation on upland steppe of Yellowstone National Park's N. winter rangeland to winter grazing by elk were investigated ...
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 moreThis report represents the fifth phase of a wider assessment to identify sites of importance to the bird populations within, and now outside of, the S...
Read moreAfter 2 trials in late winter 1973-4, 6 main experiments were conducted over the winter periods of 1974-5 and 1975-6 to determine the loss of herbage ...
Read more3. Responses of knots (Calidris canutus) and oystercatchers (Haematopus ostralegus) to their own density and to that of their prey, and the impact of ...
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 moreThere is a linear relationship between the timing of the spring migration of both Sitobion avenae and S. fragariae and latitude, due to the effect of ...
Read moreThe value of the density dependent term c in the equation M=aLc relating the number of maturing females (M) of Boophilus microplus (Can.) to the numbe...
Read moreThese two parts of a series deal with studies in an apple orchard in south-eastern England in 1953-59 on the effect of routine sprays of winter wash (...
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