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The soil seed bank and seedling recruitment of the weed vegetation were monitored over 9 years at two fixed plots (a shallowly ploughed plot and a dee...
Read moreThe phytophagous insect communities dwelling in the flower heads of Cirsium acaule and Centaurea scabiosa were studied in mown, sheep-grazed and aband...
Read moreLife tables for populations of Hylemya (Erioischia) brassicae (Bch.) on cabbage crops in Canada [cf. RAE/A 60, 538] and England [50, p. 286] are analy...
Read moreRestoration of anthropogenically altered habitats has often focused on management for umbrella species-vulnerable species whose conservation is though...
Read moreLight limitation (induced by the canopy of Zea mays [maize] cv. Pioneer 3902) of reproduction in Amaranthus retroflexus and the allometric relationshi...
Read moreAlgal assemblages have been included in biological monitoring in a number of national, large-scale and long-term biological monitoring and assessment ...
Read moreThe effects of attack density of Ips cembrae on the gallery length, eggs and adult offspring production and mortality were studied in 0.1 m2 bark samp...
Read moreA method is discussed for determining distribution and abundance of the spindle tree (Euonymus europaeus). This could be used for other hedgerow speci...
Read morePlateau pikas Ochotona curzoniae are considered a pest species on the Tibetan Plateau because they compete with livestock for forage and their burrowi...
Read moreIn Panama, abandoned agricultural lands that supported tropical rain forest are invaded by the exotic invasive grass Saccharum spontaneum, which precl...
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