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Leaching of fertilizers into streams was studied in several forested catchments. In Braes of Angus Forest, fertilized catchments were compared with un...
Read moreTwenty-one agronomic varieties and local populations of D. glomerata ssp. euglomerata and two of ssp. lusitanica from a wide range of habitats were st...
Read moreThe Delta Programme/Southwest Delta is part of the Dutch national Delta programme. The objective of the national Deltaprogramma is to develop long-ter...
Read moreFaecal examination of 2985 Larus argentatus captured at refuse tips in the Clyde area yielded Salmonella of 23 serotypes from 9.2% of birds during the...
Read moreIn field trials in the UK, different levels of attack by hymenopterous parasitoids occurred in stem-boring larval Diptera (including Oscinella frit) i...
Read moreAn analysis of predation of cereal aphids (Sitobion avenae and Metopolophium dirhodum) by larvae of Episyrphus balteatus is described. Field data on t...
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 moreSoils supporting Rhizophora racemosa, R. harrisonii, R. mangle and Avicennia germinans are described. When they are drained, soils which have carried ...
Read moreBird numbers were estimated on areas adjacent to conifer plantations at 62 sites, each of 640 ha, in three areas of northern Scotland. The results var...
Read moreOn each of two sites in western Texas, 240 Juniperus pinchotii plants were harvested. The competitive influence of herbs and shrubs associated with ea...
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