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The aims of this study were to determine whether the quality and quantity of plant and eukaryote DNA present in the district level licensing (DLL) sam...
Read moreRestoration of old fields in agricultural landscapes has become increasingly important for conservation of species and their habitats owing to habitat...
Read moreA key-factor analysis is presented using data on Delia coarctata (Fall.) populations collected over 12 years from Stackyard field, Rothamsted. The ana...
Read moreThe numbers of Rhopalosiphum padi sampled using UK 12.2 m suction traps during the autumn were related to weather data from the preceding year using m...
Read moreThe effects of temperature and photoperiod on the growth and development of three populations from Norway and one from Portugal were studied. Marked e...
Read moreThe effects of various environmental factors on the ditch bank vegetation in peat areas in the western Netherlands were studied to find the best manag...
Read moreThe problems of computer analysis of data collected in a long-term field study [see preceding abs.] are outlined. Methods of capture are discussed and...
Read moreThe occurrence of 46 types of habitat in Caernarvonshire was recorded in terms of percentage occurrence and percentage cover within defined areas and ...
Read moreMany habitats of high conservation value are managed by grazing but could be damaged by poor grazing management. Approaches and methods to set appropr...
Read moreAphids are among the most severe invertebrate pests of crops and cause high economic losses. The control of aphids by natural enemies is an essential ...
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