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Flight phenologies of the migrant aphid Rhopalosiphum padi, as indicated by suction trap catches throughout France in 1978-88, were compared using mul...
Read moreIncrement core samples at b.h. were taken from 15 trees in each of 7 stands (aged 22-68 yr) in North Zealand, Denmark, in Oct.-Nov. 1984. Radial incre...
Read moreThis document sets out Natural England's view on Favourable Conservation Status (FCS) for Vertigo genesii in England. Favourable conservation status i...
Read moreThe report aims to quantify, wherever possible, the impact of the prolonged period of dry weather in 2018 on selected pearl mussel (Margaritifera marg...
Read moreThe genetic structure of agricultural plant populations has long been recognized as an important factor in their vulnerability or resistance to diseas...
Read moreThe population dynamics of the annual weed Emex australis are described for 3 sites in south-eastern Australia. A graphical test showed a random spati...
Read moreUnderstanding how a population perceives nature and nature's contributions to people is key to designing a society's ecological infrastructure. Narrat...
Read moreObservations were made in southern England in 1970-71 on aphid populations infesting the aerial shoots of spring cereals. Aphids mainly Acyrthosiphon ...
Read moreThe life cycle of A. sylvestris (which dominates disturbed grasslands on road verges and river dikes) was analysed to examine possible causes of its d...
Read moreLife tables are presented for 4 consecutive generations of Psila rosae on carrots in southern England, and are analysed using key factor analysis. Of ...
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